Item TitleDescriptionThis is FedEx shipping!Please check the photo.Please contact me if you have any questions.There are scratches and threads due to use, but there were some small dents on the panel.Since there may be an oversight, since the image was published as much as possible, please refer to it.There are individual differences in judging the appearance, but I think that the impression received is also various.If you do not care about the details, please refrain from purchasing.Please consider it from the viewpoint of a used audio product.PaymentWe usually ship within 5 business days of receiving cleared payment.Our return policy, In the only case of unopened item package.We ships from Japan This product. Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer’s responsibility.Shipping*Standard Shipping ?- We use DHL, FedEx, JAPAN POST airmail. (Use properly depending on the area.)Delivery takes about 2-4 weeks with tracking.*Expedited Shipping ?- We use DHL, FedEx, JAPAN POST. (Use properly depending on the area.)Delivery takes approximately 3-10 days, with tracking.? Depending on the situation, it may take more delivery days.? If you choose Economy Shipping, there is no guarantee even if the item is not delivered or damaged.?Please understand that shipping to some countries such as Russia, Israel, Uzbekistan, Kazakhstan, Saudi Arabia, etc. will be handled by sea or by Expedited Shipping for an additional $ 20.Terms of SaleReturns will be accepted within 30 days after the item arrives.International Buyers - Please Note:????????????????????????????????????????????????????????????????Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyers responsibility. Please check with your countrys customs office to determine what these additional costs will be prior to bidding or buying.

Hall Research FHD264-R AV IP Receiver with Extracted AudioThese are preowned and have been tested. They do have scuffs and scratches and all are in similar conditionAll come with power adaptor.Please email me any questions you may have.

Conrad Johnson Premier8 Audio Research 5SE,LS15,Thiel CS2.4 Marantz SA8005 Set. A VINTAGE CLASSIC CONDRAD JOHNSON DESIGN PREMIER 8 MONO TUBE AMPS 275 WATTS RMS PER AMP VERY GOOD CONDITION SHIPPING VIA TRUCK FREIGHT ONLY --------------------------------------------------------------------- This pair of CONRAD JOHNSON PREMIER 8 mono tube amps is in VERY GOOD condition! The sound is EXCELLENT! One of the amps operates per spec, the other plays with its bias lights lit. That 2nd amp can only be biased by removing the bottom cover and individually testing each tube with a meter – recommended for technicians only. Power Output ­ 275 watts from 30Hz to 15kHz at no more than 1% THD or IMD into 4 ohms (also available connected for 2, 8 or 16 ohm loads).Power Output (model XS equipped with EL34 output tubes in triode mode) ­ 130 watts from 30Hz to 15kHz at no more than 1% THD or IMD into 4 ohms (also available connected for 2, 8 or 16 ohm loads).Response: 20Hz to 20kHz, +/- .1 dBInput Impedance: 100 kOhmsHum & Noise: 96 dB below rated powerMechanical: 21 D x 19W X 9.5 H Weight: 90 lbs. Please see the photos as they are part of the description. This Premier 8 will include its original shipping cartons, but with hand-crafted packing and the original operation manual. The PREMIER 8 was made in1992 when they sold for $7000 a pair The CJ blue book value is $10k The Premier Eight used premium quality component parts throughout. The power supplies, including the main storage reservoir, used only polypropylene and “cjd” polystyrene capacitors as opposed to the traditional deployment of electrolytic capacitors. The audio circuit consists The buyer is responsible for all shipping charges. https://www.youtube.com/watch?v=_0-FUr4iZBc

ORIGINAL AUDIO RESEARCH PARTS CATALOGUE 1984 NICE

ORIGINAL AUDIO RESEARCH D400 OWNERS MANUAL NICE

Thursday, September 7th, two large brand new factory - fresh boxes arrived with a Audio Research D-76A in one, and a SP-3A1 in the other, sent from the oldest surviving son of my lovely friend and audio Mentor, Robert W. Fulton ( 1925-1988 ). In September 1989, Roberts son had Audio Research rebuild both of these pieces. ( Receipts shown ) for his sons use, up until 15 years ago. Minor things, a fuse and an ON-OFF switch detent-failure has had these pieces unused, collecting dust, since then. My job is to evaluate and sell both mint pieces. Not being used for 15 years, on 9-11-2023 I variaced up both pieces, to very gently reform many power supply caps. The SP-3A1 will need its ON-OFF main switch replaced, as the switchs ON position - internal detent has failed. The preamp will be offered, NOT now, but only once it is repaired. The D-76A has a problem ( common ) and is thus NOW offered - on a eBay BIN - AS IS, for PARTS or REPAIR . The six 1989 ARC Factory-replaced power supply electrolytics around the D-76A power transformer, when the Variac gets up to a full 120 VAC INPUT feeding the amp, has one capacitor running unacceptably hotter to my fingers, than all the other five !!!! Unlike all other 1970s ARC gear I get to own, or see, BOTH of Bob Fultons units are in unusual mint cosmetic condition, meaning you have to look at the chassis really hard, to find ANY scratch, chip, dent or scruff in the finish. My photos do however show 15 years of storage dust . Its hard to read the 1989 SERVICE Report from Audio Research, so here Ill present it : S/N 574270-7 JOB INVOICE Replaced aged, leaking electrolytics in B+, heater, bias supplies. open R46 preventing screen regulation. Replaced burned-out PL1 ( pilot light ), V3 socket, microphonic / noisy V1-V4 tubes, cracked feet. Cleaned sockets, tightened jacks, cleaned input pots. Test run. Passed final tests. 6-7-96 Cost with a 50%-off parts Dealer Discount, $440.67. ARC replaced four 12AX7s and all five 6550s, with all new SOVTEK Russian production. The tubes look good in 2023, and are not retested. Entire original D-76A Owners manual is included, 1989 ARC JOB INVOICE and 1989 ARC Invoice is also included with amp. The originally - supplied ARC long-shaft insulated screwdriver is included.. The speaker terminal fittings have broken-off partitions, which is common. Missing one stock screw. Shipping is not additional , but rather is included in the $920.00, cost using a one-time used, otherwise new, white Audio Research shipping box. I just paid $305.00 for two of those ARC shipping boxes. I ship in the Continental USA only. This offering includes Bob Fultons complete mint ARC D-76A ONLY,....... and prompt shipping to you.

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Hall Research FHD264-R AV IP Receiver with Extracted AudioThese are preowned and have been tested. They do have scuffs and scratches and all are in similar conditionAll come with power adaptor.Please email me any questions you may have.

fidelity-research FR FR-54 Static Balance Type Tonearm Pickup Arm Vintage Audio Domo Arigato! Welcome, Thank you for your visit. Description Operation confirmed. The appearance has small scratches, dullness, dirt, etc. due to normal use. For other appearances, please refer to the photo. Specifications Overall length : 335mmEffective length : 245mmOverhang: 15mmStylus pressure range: 0 to 3g (0.25g step)Arm height adjustment: 24-65mmCompatible cartridge weight: (including shell) 15 to 32gTracking error: +2.25° to -1.35Mounting hole diameter: 21mm Shipping Shipping is only available to the address registered in eBay. Shipping is by FedEx or EMS. Free Shipping Returns Unconditional Return Policy Customer service and satisfaction are very important to us.I have an unconditional return policy if notified within 30 of the receipt of the item. All returned items must be the original condition.All return requests must be made within 30 days of the receipt of the item. Please contact me first for return before you ship it back to me.The postage of the returned goods is a buyer burden. International Buyers Please Note:Import duties, taxes and charges are not included in the item price or shipping charges.These charges are the buyer’s responsibility.Please check with your country’s customs office to determine what these additional costs will be prior to bidding/buying.These charges are normally collected by the delivering freight (shipping) company or when you pick the item up -do not confuse them for additional shipping charges.We do not mark merchandise values below value or mark items as “gifts” -US and International government regulations prohibit such behavior. I am sorry but we can not arrange that because it is illegal in Japan.Thank you.

fidelity-research FR FR-54 Braccio pickup con bilanciamento statico Audio vintage Domo Arigato! Benvenuto, grazie per la tua visita. Descrizione Operazione confermata. Laspetto presenta piccoli graffi, opacità, sporco, ecc. a causa del normale utilizzo. Per altre apparizioni fare riferimento alla foto. Specifiche Lunghezza totale: 335 mmLunghezza effettiva: 245 mmSporgenza: 15 mmIntervallo di pressione dello stilo: da 0 a 3 g (incremento di 0,25 g)Regolazione dellaltezza del braccio: 24-65 mmPeso della cartuccia compatibile: (compreso il guscio) da 15 a 32 gErrore di tracciamento: da +2,25° a -1,35Diametro del foro di montaggio: 21 mm Spedizione La spedizione è disponibile solo per lindirizzo registrato su eBay. La spedizione è entro Fedex O SME. Spedizione gratuita ritorna Politica di restituzione incondizionata Il servizio e la soddisfazione del cliente sono molto importanti per noi.Ho una politica di restituzione incondizionata se notificata entro 30 giorni dalla ricezione dellarticolo. Tutti gli articoli restituiti devono essere nella condizione originale.Tutte le richieste di reso devono essere effettuate entro 30 giorni dal ricevimento dellarticolo. Per favore contattami prima per il reso prima di rispedirmelo.Le spese di spedizione della merce restituita sono a carico dellacquirente. Acquirenti internazionali Notare che:I dazi doganali, le tasse e le spese non sono inclusi nel prezzo dellarticolo o nelle spese di spedizione.Queste spese sono a carico dellacquirente.Si prega di verificare con lufficio doganale del proprio paese per determinare quali saranno questi costi aggiuntivi prima dellofferta/acquisto.Queste spese vengono normalmente riscosse dalla società di spedizione (spedizione) o al momento del ritiro dellarticolo: non confonderle con spese di spedizione aggiuntive.Non contrassegniamo i valori della merce al di sotto del valore né contrassegniamo gli articoli come regali: le normative governative statunitensi e internazionali vietano tale comportamento. Mi dispiace, ma non possiamo organizzarlo perché è illegale in Giappone.Grazie.

fidelity-research FR FR-54 Static Balance Type Tonearm Pickup Arm Vintage Audio Domo Arigato! Welcome, Thank you for your visit. Description Operation confirmed. The appearance has small scratches, dullness, dirt, etc. due to normal use. For other appearances, please refer to the photo. Specifications Overall length : 335mmEffective length : 245mmOverhang: 15mmStylus pressure range: 0 to 3g (0.25g step)Arm height adjustment: 24-65mmCompatible cartridge weight: (including shell) 15 to 32gTracking error: +2.25° to -1.35Mounting hole diameter: 21mm Shipping Shipping is only available to the address registered in eBay. Shipping is by FedEx or EMS. Free Shipping Returns Unconditional Return Policy Customer service and satisfaction are very important to us.I have an unconditional return policy if notified within 30 of the receipt of the item. All returned items must be the original condition.All return requests must be made within 30 days of the receipt of the item. Please contact me first for return before you ship it back to me.The postage of the returned goods is a buyer burden. International Buyers Please Note:Import duties, taxes and charges are not included in the item price or shipping charges.These charges are the buyer’s responsibility.Please check with your country’s customs office to determine what these additional costs will be prior to bidding/buying.These charges are normally collected by the delivering freight (shipping) company or when you pick the item up -do not confuse them for additional shipping charges.We do not mark merchandise values below value or mark items as “gifts” -US and International government regulations prohibit such behavior. I am sorry but we can not arrange that because it is illegal in Japan.Thank you.

Zwei Audio Research V140 Mono Endstufen. Wegen Umzug und Sammlungsverkleinerung zu verkaufen: Zwei rare Weltklasse AR V140 Mono 120 W an 4-16 Ohm. Spitzenklang. Röhrenendstufen aus Sammlung in top Zustand mit insgesamt 16 neuen gematchten 6550 Röhren. Wert der Röhren: über 1500€. Selten: Zwei Vollsynthetische AR Röhrenendstufen mit XLR Eingang. Vom deutschen Röhren-Guru H. LUA gekauft. Er hatte beide Endstufen zuvor mit neuen Röhren bestückt und eingemessen. Leistungsdaten 120 watts minimum continuous at 4-16 ohms from 20Hz to 20kHz with less than 1.0% total harmonic distortion (typically below .005% at 1 watt)! Wegen Umzug und Verkauf der Acapella Triolon nur kurze Zeit in Betrieb, seitdem trocken gelagert. Aufgrund des Gewichts und der Röhren, am liebsten aber persönliche Abholung. Probehören möglich an Acapella Violon, Cello Audio Suite,… Transport per Spedition. Achtung: 2 Pakete a ´ 35 kg!! oder 1x Palette a’ 75kg! Andere sichtbare Geräte sind nicht Gegenstand des Angebots. Sie bieten im Rahmen eines privaten Verkaufs unter Ausschluss von Garantie und Gewährleistung. Weitere Geräte, die ich Umzugsbedingt verkaufe, finden Sie ebenfalls auf eBay. International shipping possible. Please ask for shipping costs. Heavy weight 2x35 kg! Audio Research V140 Mono Tube Amps The V series power amplifiers represent an evolutionary refinement of the circuit topology first established in the acclaimed Classic amplifiers introduced by Audio Research a few years ago. While continuing to use triode operation and Audio Research's patented, cross-coupled circuit, the V amplifiers also incorporate a fully balanced input stage to minimize noise and distortion products that otherwise could degrade the musical resolution of the output stage. The input stage uses select J-FET transistors with MOSFET followers to provide ultra-quiet, low-impedance drive to the 6FQ7 dual triodes, which directly drive the output tubes. (The V amplifiers are shipped with matched, selected KT90 output tubes, although other popular alternative tube types are compatible: 6550. 6550A. KT88 or KT100.) 120 watts minimum continuous at 4-16 ohms from 20Hz to 20kHz with less than 1.0% total harmonic distortion (typically below .005% at 1 watt). Approximate actual power available at clipping: 125 watts (1kHz) (Note that the actual RMS power output is dependent upon both line voltage and condition ie: if power line has high distortion, maximum power will be affected adversely, although from a listening standpoint this is not very critical.)

Emerson Research 649-2T1030-S29 Audio System Remote Control. •TESTED AND WORKING •Free shipping! Location(rmt-9752)

Synergistic Research 3m Atmosphere UEF Level 4 Audiophile Speaker Cable. Brilliant cable by the equally brilliant Synergistic Research. With a retail price of just shy of $8,500, this is proper high end cable at a frankly absurd price. Monstrously wide soundstage, incredible detail and resolution, and some of the most fascinating tuning capabilities and features seen on a cable; UEF Tuning bullets (all original AND additional all included), and external earthing of the lead, all make for an incredibly versatile lead. I was hoping to keep these, but some unexpected impending bills make it a non-option. Cables are in perfect working order, and while there are a couple of minor scuffs around the place, all in all theyre in sensational condition. If you live in Melbourne I am happy to drop them off, or ship with insurance for purchased value. International is the same. Open to sensible offers. PLEASE NOTE: As I am not a store, I do not accept returns.

Audio Research KT88 This listing is for 4 Audio Research KT88 Tubes. Make: Audio ResearchTube Number: KT88Condition: Tested StrongQuantity: 4 Tubes Thanks for looking!!

DescriptionAuthenticity: 100% AUTHENTIC! If you have any question about the condition, accessories, or anything about the product,Please feel free to message us. We are glad to answer all your concerns. ShippingDHL, Fedex Fastshipping3-10 business days after shipment(Tracking number + Insurance.)PaymentPlease give me the payment within 3days from the date of bid.About UsWe sell our items on other websites and in our retail stores in Japan at the same time.If the item was sold out before your purchase, your order will be cancelled and a full refund will be issued immediately. International Buyers - Please Note:Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyers responsibility. Please check with your countrys customs office to determine what these additional costs will be prior to bidding or buying.We do not mark merchandise values below value or mark items as - gifts - The US and International government regulations prohibit such behavior. Thank you.

DescriptionAuthenticity: 100% AUTHENTIC! If you have any question about the condition, accessories, or anything about the product,Please feel free to message us. We are glad to answer all your concerns. ShippingDHL, Fedex Fastshipping3-10 business days after shipment(Tracking number + Insurance.)PaymentPlease give me the payment within 3days from the date of bid.About UsWe sell our items on other websites and in our retail stores in Japan at the same time.If the item was sold out before your purchase, your order will be cancelled and a full refund will be issued immediately. International Buyers - Please Note:Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyers responsibility. Please check with your countrys customs office to determine what these additional costs will be prior to bidding or buying.We do not mark merchandise values below value or mark items as - gifts - The US and International government regulations prohibit such behavior. Thank you.

Free eBay listing template designed by dewiso.com Audio Research VSi75 Integrated Amplifier - RRP £7,499 - Customer Trade In Customer Trade In - Very Good Condition - Original Box and Accessories: Tubes, Manual, Power Cable, Remote Features and further details Additional Features: Details: Package Includes (If it isnt mentioned, it isnt included):Tubes, Manual, Power Cable, Remote Contact us We can be contacted at any time through eBay messages if you have any questions, comments or product requests. We will respond to you within 24 hours and do our best to help you out! We encourage our customers to contact us on 01707 320788 with any questions or concerns! Wed like to be sure you are completely satisfied with your purchase. Payment Payment to be made by Ebay, Paypal, Cash or Banks Transfer (Call Nintronics to organise) Shipping Items <20kg will be shipped via DPD local on a next day delivery. Items >20kg will be shipped on a next-day pallet shipment. To discuss a hand delivery or installation, call Nintronics on 01707 320788 Disclaimer Items will be shipped with the accessories mentioned on the listing, Nothing more! If it isnt mentioned in the listing, it isnt included. We will not accept returns for items due to missing items if they arent listed with the item.

Item TitleDescriptionThis is FedEx shipping!Please check the photo.Please contact me if you have any questions.There are scratches and threads due to use, but there were some small dents on the panel.Since there may be an oversight, since the image was published as much as possible, please refer to it.There are individual differences in judging the appearance, but I think that the impression received is also various.If you do not care about the details, please refrain from purchasing.Please consider it from the viewpoint of a used audio product.PaymentWe usually ship within 5 business days of receiving cleared payment.Our return policy, In the only case of unopened item package.We ships from Japan This product. Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer’s responsibility.Shipping*Standard Shipping ?- We use DHL, FedEx, JAPAN POST airmail. (Use properly depending on the area.)Delivery takes about 2-4 weeks with tracking.*Expedited Shipping ?- We use DHL, FedEx, JAPAN POST. (Use properly depending on the area.)Delivery takes approximately 3-10 days, with tracking.? Depending on the situation, it may take more delivery days.? If you choose Economy Shipping, there is no guarantee even if the item is not delivered or damaged.?Please understand that shipping to some countries such as Russia, Israel, Uzbekistan, Kazakhstan, Saudi Arabia, etc. will be handled by sea or by Expedited Shipping for an additional $ 20.Terms of SaleReturns will be accepted within 30 days after the item arrives.International Buyers - Please Note:????????????????????????????????????????????????????????????????Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyers responsibility. Please check with your countrys customs office to determine what these additional costs will be prior to bidding or buying.

ATTENTION! This auction is for AUDIO RESEARCH PREAMPLIFIER SP 14 ONLY!!!!! If you want to by extra AUDIO RESEARCH CLASSIC 60 - See My other auctions. The SP14s musicality comes surprisingly close to the state of the art, with soundstage of remarkable depth and breadth; imaging of uncanny solidity: palpable dynamic authority; timbral accuracy that virtually recreates live music; an exceptionally low noise floor; and a special ease with frequency extremes. But unlike many high-performance preamplifiers, the SP14 doesnt scrimp on control features. It has separate Gain and Attenuation for wide-ranging-yet-subtle level management. Separate Input and Record Output selectors (with a common menu) permit exceptional flexibility in playing and recording: owners can listen to one source while recording from another. The Bypass switch allows owners to remove the Balance and Mode controls from the signal path, for greater sonic purity. There are two separate sets of outputs, and three power outlets. And, of course, the SP14 features its own version of the hybrid technology that has made Audio Research electronics world-famous. As with every Audio Research product, SP14 parts quality, construction and factory support are the finest in the audio industry, with a two-decade track record to prove it. And all this comes at only half the cost of the celebrated SP15. FREQUENCY RESPONSEHigh-level section: ±.5dB, 5Hz to 50kHz, -3db points below 1Hz and above 200 kHz. Magnetic phono: ±.3dB of RIAA, 30Hz to 40kHzDISTORTION (THD)Less than .01% at 2V RMS outputNOISE & HUMHigh level: (1) 70 µV RMS maximum residual unweighted wideband noise at main output with gain control minimum (98 dB below 5V RMS output) (2) More than 100dB below 1V RMS input (less than 7 µV equivalent input noise). Phono: 0.12 µV equivalent input noise, IHF weighted, shorted input (78dB below 1mV input).GAINPhono input to tape output: 46 dB. Phono input to main output: 66 dB. High-level inputs to tape output: 0 dB. High-level inputs to main output: 20 dB.INPUT IMPEDANCELine inputs: 50 K ohms. Phono: 47K ohms (provisions for any value below 47K ohms or added input capacitance for matching certain magnetic cartridges.)OUTPUT IMPEDANCE250 ohms main output, 1000 ohms recorder output. Recommended load 60K - 100K ohms and 100pF. (20K ohms minimum and 1000pF maximum)OUTPUT POLARITY-MAXIMUM INPUTSMagnetic phono, 200mV at 1kHz (1000mV RMS, 10 kHz). High-level inputs are essentially overload-proof.RATED OUTPUTS2V RMS 5 Hz to 50 kHz, all outputs; 60K ohm load (main output capability is 50V RMS output at .5% THD at 1kHz into a 100K ohm load with 5V RMS high level input)POWER SUPPLIESElectronically-regulated low and high voltage supplies and electronic decoupling. Shielded toroid transformer. Line regulation is better than .01%.TUBE COMPLEMENT(1) 6DJ8/ECC88POWER REQUIREMENTS100-135VAC 60Hz (200-270VAC 50/60Hz) 60 WattsOTHERHybrid FET/Tube audio circuit, solid-state power supply. Inputs (7): Phono, C-D, Tuner, Video, Spare, Tape 1, Tape 2. Outputs (4): (2) Main, (2) Recorder. Controls (6): Gain, Attenuation, Balance. Mode, Record Out, Input. Switches (8): Power, Outlets, Bypass, Mute, Copy, Tape 1 to 2/2 to 1, Tape 2/1, Monitor.DIMENSIONS19” (48 cm) W x 5 ¼” (13.4 cm) H (standard rack panel) x 10 ¼” (26 cm) D. Handles extend 1 ? (4.1 cm) forward of front panel. Rear chassis fittings extend ? (2.3 cm)WEIGHT12 lbs. (5.5kg) Net, 21 lbs. (9.6 kg) Shipping

fidelity-research FR-54 Analog Tonearm Our price is 100% negotiable! The price only means ASK! Please make an offer and we will give you the best price! Payment PayPal ONLY.Please pay within 5 days after auction is finished. Shipping We ONLY ship to buyers Paypal registered address. ReturnsItems that are faulty beyond the description given on our auction site should be returned for a full refund.Please contact us by e-mail if items delivered are faulty.However, please send the item back to us. About usOur product is 100% authentic! We dispatch items from Japan. We provide our goods and services based on our motto “Your complete satisfaction is our ultimate goal”. Therefore, please rest assured and make your bid with ease. Please Note International Buyers Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer responsibility. Please check with your country customs office to determine what these additional costs will be prior to bidding/buying. These charges are normally collected by the delivering freight (shipping) company or when you pick the item up - do not confuse them for additional shipping charges. I do not mark merchandise values below value or mark items as gifts- US and International government regulations prohibit such behavior.

Synergistic Research Foundation UEF- Acoustic Panels. Set of 4 Realistic 3-dimensional soundstage and music that just hangs in the air, an experience that no other conventional acoustic room treatment can attain. Developed for recording studio applications, the easy to install UEF Acoustic Panels are currently being used by Grammy Award-winning recording and mastering engineers. UEF Acoustic Panels do not rely on traditional dampening, therefore they do not compress your system’s ability to create a holographic sound field. Experience music with breathtaking clarity and realism not possible from any other known acoustic treatment or DSP Room Correction. UEF Acoustic Panels work by themselves or in tandem with traditional room treatments or with Synergistic Research’s FEQ and Atmosphere Room Correction devices. Dimensions - 17? x 7 3/4? Official retailer for Synergistic Research DB HiFi - HiFi Specialists

ATTENTION! This auction is for AUDIO RESEARCH AMPLIFIER CLASSIC 60 ONLY!!!!! If you want to by extra AUDIO RESEARCH PREAMPLIFIER SP-14 - See My other auctions.The new Classic 60 Hybrid Stereo Power Amplifier resembles the long-popular D115 in Audio Researchs family of High Definition® power amplifiers. But its lineage is strictly Classic 150. Which means nothing less than state-of-the-art in design, construction, musicality, and operational convenience...at an affordable price. Like the Classic 150, the Classic 60 proceeds from the notion that power ratings dont always describe a power amplifiers real capabilities. Far more important are such qualities as dynamic stability. lucidity, subtlety. And to achieve those, Audio Research has used its traditional partial cathode coupling along with triode operation of the Classic 60s eight 6550 power output tubes. Additional circuit improvements, as well as the usual rigorous parts selection and manufacturing Audio Research, are noted for, also contributing sonically. Translated into the language of listening, this signifies stunning bandwidth, a noise floor virtually beneath audibility, and musically fulfilling SPLs at dramatically lower gain settings. Dynamics, timbres of individual instruments, soundstage, and musical emotion all surge out from a black velvet of silence. Simply put the Classic 60 resolves far more of a musical program than amplifiers rated at two, three, or four times its seemingly modest 60 WPC. But the Classic 60 is easily up to the task of driving all but the most demanding loudspeakers, even in spacious listening rooms. And while it shows modest preamplifiers in their best light, it also shines when coupled with premiere designs, such as Audio Researchs SP14 or SP15. Convenience figures are high on the Classic 60s list of attributes, as well. For example, the DC balance of the output tubes is maintained automatically, while tube biasing continuously adjusts to changes in incoming line voltage. Performance stays razor-sharp without bothersome tweaking or adjustments. And quiet fan cooling, along with triode operation, means significantly longer tube life. A Classic 60 owner can look forward to years of low-maintenance performance POWER OUTPUT60 watts minimum continuous at 16 ohms from 15Hz to 20kHz with less than 1.0% total harmonic distortion. Typically below .005% at 1 watt. The approximate actual power available at clipping: 62 watts. (1kHz) (Note that the actual RMS power output is dependent upon both line voltage and condition ie: if the power line has high distortion, maximum power will be affected adversely, although, from a listening standpoint, this is not very critical.)POWER BANDWIDTH(-3dB points): 12Hz to 40kHzFREQUENCY RESPONSE-INPUT SENSITIVITY.55V RMS for rated outputINPUT IMPEDANCE100K ohms, nominalOUTPUT TAPS-OUTPUT REGULATIONApproximately 0.3dB 16-ohm load to open circuitOVERALL NEGATIVE FEEDBACK20dBDAMPING FACTORApproximately 30DISTORTION-SLEW RATE20V/µsRISE TIME2.0 µsHUM & NOISELess than 2.0mV RMS - 84dB below-rated output (20kHz bandwidth unweighted, inputs shorted)POWER SUPPLY ENERGY STORAGEApproximately 280 joulesPOWER REQUIREMENTS105-125VAC 60Hz (210-250VAC 50Hz) 500 watts at rated output, 700 watts maximum, 370 watts at idleTUBE COMPLEMENT(4 matched pairs) 6550 power output, (4) 6FQ7/6CG7 driversDIMENSIONS19 (48 cm) W (standard rack panel) x 7 (18 cm) H x 15 ¾ (40 cm) D (front panel back). Handles extend 1 ? (4.1 cm) forward of the front panel. Output connectors extend 1 behind the rear panel.WEIGHT63 lbs (28.64 kg) Net, 76 lbs (34.55 kg) Shipping