Zu verkaufen ist ein Mono Amplifier Röhren Endstufe E.A.R. 509 Esoteric Acoustic Research. Der optische Zustand ist den Fotos zu entnehmen: Netzkabel angeschnitten, einige Klemmen fehlen ggf. abgebrochen. Chromteile mit Rostansätzen. Der technische Zustand ist unbekannt. Aus diesem Grund Verkauf als Defekt. Abholung erwünscht, Versand auf Wunsch des Käufers möglich. Der Verkauf erfolgt unter Ausschluss jeglicher Sachmängelhaftung. Die Haftung auf Schadenersatz wegen Verletzungen von Gesundheit, Körper oder Leben und grob fahrlässiger und/oder vorsätzlicher Verletzungen meiner Pflichten als Verkäufer bleibt davon unberührt.

The Kenwood KA-2000 is a true gem of a compact amplifier delivering a solid 13 wpc with lovely fidelity. Kenwood/Trio made some of the sweetest sounding amplifiers from late 1960s through the 1970s with transformerless circuitry that was distinguished by wide frequency response, warmth and an impressive detailed midrange presentation. A well built piece with minimalist cosmetics and controls, the KA-2000 consistently receives user reviews that express surprise and even amazement at how great this little amp performs: Built like a tank...sounds remarkably good... punches well above its weight...really pushes mids. The compact size ( 10x10x5) and unique color cosmetics set it apart from most amps that followed. WE OFFER THIS AMP WITH SEVERAL CHOICES OF SPEAKERS. MY FAVORITES ARE THE ACOUSTIC RESEARCH AR-18B In the 1960s Acoustic Research and KLH dominated the US hi-fi market. Acoustic Researchs AR-4x remained a popular budget 2 way speaker into the 1970s. The original AR speakers were replaced in 1976-1977 by new line with Teledyne/AR branding and it was fashionable to look down on many of these, given their undeniably cheaper construction....but these post-classic AR deserved better. The AR-18 were remarkably good cheap speakers which earned respect as audio moved into the early 80s. The 8 inch acoustic suspension woofers delivered a very acceptable but not extended low end in a small box. The midrange detail was wonderful, the overall balance very good.and the top end ( originally a cone tweeter, later a dome) was accurate and pleasing. By 1983-1985 the smaller AR-8B was a very competitive entry level speaker described as remarkably good, while the AR-18S and its successor the AR-18B became a well accepted speakers which sold well to consumers while also making their way into many major recording studios for use as nearfield monitor speaker for checking mixes. Sadly after the 1980s, they were again dismissed by most audiophiles but since 2015 they have gained an almost cult-like following driven by numerous enthusiastic reviews from young listeners. I began using these in my recording studio in 1982 and have probably owned a half-dozen pair since then. Heres a typical user comment: I had a good long session with these speakers { AR-18B} ... and these speakers really do sound fantastic, the front to back imaging is spot on and they cover the mid range perfectly. This is a great little speaker for tight space and is one I would seek out on a regular basis. THE KENWOOD AMP HAS BEEN PROFESSIONALLY SERVICED IN 2024, INCLUDING RECAPPING. THE AR-18B SPEAKERS HAD THE WOOFER SURROUNDS REPLACED AND CROSSOVERS RECAPPED.. We offer other choices to pair with the amplifier : the Realistic Optimus- 2B from a similar era, with a sound comparable to the classic 2 way acoustic suspension speakers from KLH and Acoustic Research which were so popular into the 70s. For those wanting that classic New England sound sound from a bigger enclosure with a 10 woofer, we offer the KLH Model Seventeen There are also other amplifier options that work well with all these speakers: We highly recommend the Technics SU-C04 which features the bright, fast and highly detailed sonics of a silver era 1980s amplifier. Very compatible with the AR-18B, these also brings a sharper touch to sound of the earlier vintage speakers. For those seeking the same warm qualities of the KA-2000 but in a more powerful amp we offer the Kenwood KA-2500. For those wanting a 1980s amplifier with more power and features than the SU-C04 we offer the Technics SU-C03. All these options are in stock - they can be listed separately or sold as an amp+speaker combination system. ** Buyers East of the Mississippi and North of Florida may receive a refund of excess shipping charges**

ACOUSTIC RESEARCH STEREO INTEGRATED AMPLIFIER Offered for sale is this AR Amplifier. I have been sitting on it for decades (stored in a box in a closet) waiting for the day I will put together a quality vintage stereo system. Sadly, I have too many projects and its just not going to happen. I haven’t turned it on in a very long time and I don’t know if it still works. It has not been tested and should be thoroughly checked out, and, given the length of time it has been sitting, likely have components replaced. HiFiAudio.com sells a reasonably priced rebuild/restoration kit (with step-by-step instructions and support/help) for this amplifier. Very clean and good cosmetically, front plate and controls in really nice shape – presents very well. All controls and knobs turn freely. Very minor marks from careful use. Acoustic Research was a Cambridge, Massachusetts company that produced high-end audio components, this model was made from 1968 to 1971 to complement their AR-XA turntable and legendary AR-3 loudspeakers. Very much a minimalist amplifier, with phono, tuner and tape inputs, volume, bass and treble, and signal mode (stereo, mono, null) controls. This was a very powerful (for its time) amplifier with a simple and straightforward set of controls. It was really the first decent sounding solid state integrated amplifier capable of driving low impedance loads cleanly. In the late 60s and 70s this was quite a piece of equipment. These were also very reliable amps too. Wonderful addition for any Acoustic Research fan. Power output: 50 watts per channel into 8? (stereo), capable of reproducing peaks of 100 watts without clipping. Frequency response: 20Hz to 20kHz Total harmonic distortion: 0.25% Damping factor: 40 Input sensitivity: 2mV (MM), 200mV (line) Signal to noise ratio: 57dB (MM), 75dB (line) Weighs about 20 lbs.

Tested fully operational. Number of TransistorsSemiconductors present.SemiconductorsMain principleAudio-AmplificationWave bands- withoutPower type and voltageAlternating Current supply (AC)Loudspeaker- This model requires external speaker(s).Power out80 W (90 W max.)MaterialMetal casefrom Radiomuseum.orgModel: Integrated Amplifier A-03 - Acoustic Research Inc.;ShapeBook-shelf unit.Dimensions (WHD)430 x 93 x 354 mm / 16.9 x 3.7 x 13.9 inchNotesAcoustic Research Integrated Amplifier Model A-03.Power output: 40 watts per channel into 4? (stereo)Power output: 30 watts per channel into 8? (stereo)Frequency response: 15Hz to 20kHzTotal harmonic distortion: 0.07%Damping factor: 120Input sensitivity: 2.5mV (MM), 150mV (line)Inputs: CD, Tuner, AUX, Tape, Phono MMSignal to noise ratio: 80dB (MM), 96dB (line)Channel separation: 75dB (line)Power Requirements:120VAC 60Hz220/240VAC 50Hz120/220/240VAC 50/60 Hz (depending on destination)Power Consumption max. 150 Watts Net weight (2.2 lb = 1 kg)6.6 kg / 14 lb 8.6 oz (14.537 lb)

Tested fully operational. Number of TransistorsSemiconductors present.SemiconductorsMain principleAudio-AmplificationWave bands- withoutPower type and voltageAlternating Current supply (AC)Loudspeaker- This model requires external speaker(s).Power out80 W (90 W max.)MaterialMetal casefrom Radiomuseum.orgModel: Integrated Amplifier A-03 - Acoustic Research Inc.;ShapeBook-shelf unit.Dimensions (WHD)430 x 93 x 354 mm / 16.9 x 3.7 x 13.9 inchNotesAcoustic Research Integrated Amplifier Model A-03.Power output: 40 watts per channel into 4? (stereo)Power output: 30 watts per channel into 8? (stereo)Frequency response: 15Hz to 20kHzTotal harmonic distortion: 0.07%Damping factor: 120Input sensitivity: 2.5mV (MM), 150mV (line)Inputs: CD, Tuner, AUX, Tape, Phono MMSignal to noise ratio: 80dB (MM), 96dB (line)Channel separation: 75dB (line)Power Requirements:120VAC 60Hz220/240VAC 50Hz120/220/240VAC 50/60 Hz (depending on destination)Power Consumption max. 150 Watts Net weight (2.2 lb = 1 kg)6.6 kg / 14 lb 8.6 oz (14.537 lb)

VINTAGE 1970 ACOUSTIC RESEARCH AR FM STEREO RECEIVER AMPLIFIER MODEL W. UNIT IS IN GOOD WORKING / SOUNDING CONDITION. OF NOTE THOUGH IS THE VOLUME DIAL POT PRODUCES STATIC WHEN TURNING THE VOLUME KNOB, WHEN NOT TOUCHING IT IS FINE. IT MAY JUST NEED A GOOD CLEANING OR THE POT REPLACED. OTHER DIALS, SWITCHES FUNCTION AS THEY SHOULD. THE OTHER THING IS WHEN TUNING AND YOU GO BELOW THE 94 ON THE TUNER THE INDICATOR STARTS TO GET HUNG UP. YOU CAN SEE WHAT WE MEAN IN THE PICTURES OF THE CHANNEL TUNER WINDOW. IT MAY JUST BE A SIMPLE FIX INSIDE THE UNIT TO KEEP IT FROM HANGING UP. THE UNIT DOES HAVE SCUFFS, SCRATCHES, MARKS ON TOP AND SIDES. THE FRONT FACEPLATE HAS YELLOW COLOR TINTING TO IT. MOST LIKELY CAN BE POLISHED / CLEANED UP TO LOOK GOOD AGAIN. ON THE BACK BY THE FUSE HOLDER THE THIN METAL DECAL HAS PULLED UP AND CRINKLED A LITTLE. UNIT WOULD BENEFIT A LOT FROM A GOOD THOROUGH CLEANING BEFORE USE. THE SEE PICTURES CLOSELY FOR MORE DETAILS ON CONDITION. GETTING IT LIKE YOU SEE IT. A GREAT DEAL AT THIS PRICE. WE CAN COMBINE SHIPPING ON ANY OF OUR ITEMS. SHIPPING OF THIS ITEM WILL BE THROUGH USPS MAIL WITHIN THE CONTINENTAL US. INTERNATIONAL BIDDERS ARE WELCOME. PAYMENT MUST BE RECEIVED WITHIN 5 DAYS OF AUCTION END UNLESS BUYER CONTACTS SELLER WITH ARRANGEMENTS. IF NO COMMUNICATION OR PAYMENT IS MADE A DISPUTE WILL BE FILED FOR NON PAYING BIDDER. SHOULD YOU HAVE ANY QUESTIONS PLEASE LET US KNOW. LOC. OS14F

Zum Verkauf steht ein Lenco PA 3202 Research Acoustic Vorverstrker. Der Vorverstrker ist bis vor kurzen in Benutzung gewesen. Sehr feines Gert aus den spten 80ern / Anfang 90ern mit hochwertigen Bauteilen und einem sehr ausgewogen, gut aufgelsten und dynamischen Klang. Leider hat der Lenco jetzt einen Defekt. Er schaltet ein und gibt Ton aus, aber die Tonausgabe ist verzerrt, leiser und teilweise mit Strgeruschen (Knacken). Besser kann ich es leider nicht beschreiben. Deshalb wird der Vorverstrker ausdrcklich als defekt, fr Bastler verkauft! Optischer Zustand des Lenco ist gut. Es gibt aber ein paar Kratzer, v.a. auf der Oberseite (siehe Bilder). Die technischen Daten des Gerts findet ihr hier: https://www.hifi-wiki.de/index.php/Lenco_PA-3202 Ich bin eBay Mitglied seit 2003 und habe 100% positive Bewertungen! Da es sich um einen Privatkauf handelt, schliee ich eine Rcknahme aus. Der Verkauf erfolgt unter Ausschluss jeglicher Gewhrleistung und Sachmngelhaftung.

Acoustic research ARAU amplifier. This unit is apparently completely original and appears to have never been serviced. As the photographs will show, this unit has been lovingly taken care of with almost no physical imperfections noted whatsoever. I ran it for over three hours, and the heat sinks never got warm to the touch. All that being said, this unit is over 50 years old and should be recapped appropriately. With the appropriate electrolytic capacitors replaced, this should last a very long time. If you are looking at this listing, you know what this amplifier is. Due to the age of this unit and the unrestored fully original nature of it, it is being sold as is as described. I make no warranty whatsoever as to the longevity of its operation in the condition that it sits, although it sounds very good to me at this point. Please consider that this is a candidate for a full restoration, and not something to be used long-term in its all original condition.

Tut, was er soll Bilder sind Teil der Artikelbeschreibung Privatverkauf ohne Garantie, Gewährleistung, Umtausch, Rücknahme

Der Verstärker und der Tuner sind optisch und technisch in einem guten Zustand. Leichte Gebrauchsspuren. Dazu gehören Fernbedienung und Verbindungskabel sowie die Instruction Manuals. Privatverkauf, Selbstabholung in Düsseldorf möglich.

Tested for power. Seems to work based off of the source. Not tested further

Fairly rare Acoustic Research (AR) C-06 Stereo Preamp Tested working, all inputs & functions. I havent performed any work on this unit (e.g. recapping, cleaning controls, etc.) but it seems to work and sound quite nice. Cosmetic condition is pretty good, little dusty and minor scuffs but nothing broken or seriously deformed, see photos.

Gorgeous AR amp with wooden case. Powers on, have not been able to verify output, I dont have any thing to plug into inputs. May or may not work how its supposed to, sat for many years in the closet. Audiophile

ACOUSTIC RESEARCH AU STEREO INTEGRATED AMPLIFIER ORIGINAL BOX NICE. Used. Standard ship.STEREO INTEGRATED AMPLIFIER (1968-71)All inputs tested – sounds very warm almost tube like such as some other early solid-state pieces tend to. Controls and switches cleaned. Face is in nice shape with minor wear and presents very well. Aside from some slight separation to the wood cabinet it looks beautiful. Serviced, tested and just a great sounding little amplifier. Wonderful addition for any Acoustic Research fan. Power output: 50 watts per channel into 8? (stereo)Frequency response: 20Hz to 20kHzTotal harmonic distortion: 0.25%Damping factor: 40Pro packaged, insured and includes tracking. No accessories. No PO Boxes. Thank you.

Hifi & Audio Equipment / Verstärker / Receiver Aus alten Lagerbeständen & Haushaltsauflösungen Hersteller / Modell:Acoustic Research A-03 Stereo VollverstärkerBaujahre: 1991 - 1994 Beschreibung/Zustand - Strom/Netz okay - Funktion & Soundwiedergabe okay- links, der Volumen regler mit Kratzer - Gewicht inkl. Verpackung ca. 8 KG- allgemeiner Zustand gebraucht, Schrammen/Kratzer vorhanden - allgemeine altersbedingte Lager & Gebrauchsspuren vorhanden ---> weitere Receiver, Verstärker & Tapedecks in den anderen Angeboten Versand durch DHL 9,49 € Shipping EU shipping DHL 21,99 €shipping only EU

Teledyne Acoustic Research P-10 High Output Stereo power Amplifier + A UK Mains Lead.As you can clearly see this Acoustic Research Power Amplifier is in Very Clean Used Condition Throughout.Its Top Metal Plate has Some Light Surface Rusting on it, most of these all Suffer from this, you can Re Spray it Yourself if it Bothers You.I took these pictures earlier today, they are of the item you are buying. It is of course in full working condition throughout.Sound Quality from it is Fantastic!!!!!!!It comes with a UK Mains Lead.It will be VERY well wrapped & packed, it will arrive with you as shown on these pictures.Below Is A Question & Answer Section, This Will Hopefully Answer Most Customer Questions. Q: Why are you selling this ? A: We Are Dealers Of Quality & Vintage Hi-Fi Equipment & Similar Items. Q: Where Did You Get It From ? A: Most items Are Either Taken In As Part Exchange Items, Or Come From The Close Family Of Their Original Owners. Q: Has It Been Fully Tested ? A: All Items That We List For Sale Have Been Fully Tested By Us. We Test Fully & Not Just Powering Items Up. Q: Will We Take A Offer On A Item. A: All Item Are Very Competitively Priced. We Normally Sell Under The Current Market Value. Q: Will You Combine Shipping Costs On Several Items ? A: Yes We Will, Just Purchase & Complete Checkout, We Will Credit Back Excess Shipping Costs. Q: Will My Item Be Packed Well ? A: Yes It Will, Please Check Our Feedback, You Can See That Our Customers Are Very Happy With Our Packing Etc. Q: How Long Will I Have To Wait For My Order To Arrive ? A: We send Most Items On A 48hr Service. Purchases Made On A Thursday Through Sunday Are Sent On The Following Monday (Except On Bank Holiday Mondays) Q: Do You Provide Tracking Details ? A: Yes, We Always Upload Full Tracking details To Your PayPal Account Once Your Item Has Been Packed To Ship. Q: My Tracking Details Do Not Work, Why ? A: Once Your Order Has Been Collected Your Tracking Details Will Work. Normally After 7pm Onwards On The Day Of Collection From Us. Q: Can You Send My Order To A Non Registered Ebay - Paypal Address ? A: No, This Is Not Possible. PLEASE DO NOT ASK! Q: Will You Send By A Cheap Non Signed For Courier ? A: No, All Items Are Always Send Fully Signed For & Fully Trackable. Q: Will You Send Overseas ? A: We Ship To Many Countries Via eBay Global Shipping. Q: What Are The Costs To Ship To Me Overseas ? A: eBay Show These Costs At The Point Of Checkout, You Can See Them Before Making A Purchase.Overseas Shipping Is Available via eBay Global Shipping, If Your Country Is Not Included In Our Global Shipping Shipping Selections It Will Not Be Possible To Ship To Your Country.

Vintage Acoustic Research AR AU Integrated Amplifier Partially Recapped!!!Good Working Condition!!!LOOKS Good!!! Up for sale is a good working order Vintage Acoustic Research AR AU Integrated Amplifier. - Partially Recapped!!! As the photos show, this is in good condition for its age. It has has some scratches. Please look at all the pictures for an over all condition, before bidding. All items are offered for sale locally therefore listings may end without notice. What you see is exactly what you get. Please see the photos for condition details and judge for yourself. All items are sold in the condition shown in photos and as is condition, with no warranties. If you have any questions please email me. No returns please! Shipping to Continental United States Only (48 States). Thank You for looking, and good luck with your bids!!!

For Sale is a Pair of Acoustic Research Powered Partner 570 Speakers w/ Built-In Amplifiers; Tested and they sound great and are in very good condition. You can see/hear a demo here: https://youtu.be/e-Z5YklEyGg -70 watts per speaker-two 35-watt high current amplifiers-2-way acoustic suspension design-5 magnetically shielded polypropylene woofer-1 fluid-filled magnetically shielded polycarbonate tweeter- individual bass and treble controls and auto on/off power operation-it will work on either AC power or DC battery operation-separate volume, bass, and treble control-It has auto on/off power operation-Approximate Dimensions: 11 x 8 x 6.5 (each speaker)-Weight: 9.8 pounds (each speaker)

Good condition

AR Integrated Amplifier. Recently serviced and in good working order.

Teledyne Acoustic Research P-10 High Output Stereo power Amplifier + A UK Mains Lead.As you can clearly see this Acoustic Research Power Amplifier is in Very Clean Used Condition Throughout.Its Top Metal Plate has Some Light Surface Rusting on it, most of these all Suffer from this, you can Re Spray it Yourself if it Bothers You.I took these pictures earlier today, they are of the item you are buying. It is of course in full working condition throughout.Sound Quality from it is Fantastic!!!!!!!It comes with a UK Mains Lead.It will be VERY well wrapped & packed, it will arrive with you as shown on these pictures.Below Is A Question & Answer Section, This Will Hopefully Answer Most Customer Questions. Q: Why are you selling this ? A: We Are Dealers Of Quality & Vintage Hi-Fi Equipment & Similar Items. Q: Where Did You Get It From ? A: Most items Are Either Taken In As Part Exchange Items, Or Come From The Close Family Of Their Original Owners. Q: Has It Been Fully Tested ? A: All Items That We List For Sale Have Been Fully Tested By Us. We Test Fully & Not Just Powering Items Up. Q: Will We Take A Offer On A Item. A: All Item Are Very Competitively Priced. We Normally Sell Under The Current Market Value. Q: Will You Combine Shipping Costs On Several Items ? A: Yes We Will, Just Purchase & Complete Checkout, We Will Credit Back Excess Shipping Costs. Q: Will My Item Be Packed Well ? A: Yes It Will, Please Check Our Feedback, You Can See That Our Customers Are Very Happy With Our Packing Etc. Q: How Long Will I Have To Wait For My Order To Arrive ? A: We send Most Items On A 48hr Service. Purchases Made On A Thursday Through Sunday Are Sent On The Following Monday (Except On Bank Holiday Mondays) Q: Do You Provide Tracking Details ? A: Yes, We Always Upload Full Tracking details To Your PayPal Account Once Your Item Has Been Packed To Ship. Q: My Tracking Details Do Not Work, Why ? A: Once Your Order Has Been Collected Your Tracking Details Will Work. Normally After 7pm Onwards On The Day Of Collection From Us. Q: Can You Send My Order To A Non Registered Ebay - Paypal Address ? A: No, This Is Not Possible. PLEASE DO NOT ASK! Q: Will You Send By A Cheap Non Signed For Courier ? A: No, All Items Are Always Send Fully Signed For & Fully Trackable. Q: Will You Send Overseas ? A: We Ship To Many Countries Via eBay Global Shipping. Q: What Are The Costs To Ship To Me Overseas ? A: eBay Show These Costs At The Point Of Checkout, You Can See Them Before Making A Purchase.Overseas Shipping Is Available via eBay Global Shipping, If Your Country Is Not Included In Our Global Shipping Shipping Selections It Will Not Be Possible To Ship To Your Country.