Audio Research released the LS28 as part of its foundation series. Its heart and soul is all Audio Research. Wide open presentation, transparent vocals , sonically holographic and will make a significant improvent to most hi-end audio systems. The LS28 later received an upgrade to the LS28SE and its currently $12,000. It went through a rework and make some nice sonic improvements. With 4 balanced inputs and 4 unbalanced, it will handle even the largest of systems. This is a super clean trade and includes the original remote and box. Its been tested and sounds fantastic. If youve been looking to take you system to the next level this is a great way to do it. FEATURES:Remote controlled, fully balanced pre-ampTubed preamplifier with four sets of balanced and unbalanced inputs eachThree sets of balanced and unbalanced outputsMono / StereoInput NamingHome Theater Bypass (Called processor mode)Auto-shutdownAdjustable brightnessBalance controlFour 6H30P (dual triodes)Electronically regulated power suppliesSPECIFICATIONS FREQUENCY RESPONSE - 2Hz–200kHz, +0/–3dBMAX VOLTAGE GAIN - 12dB, balanced output; 6dB, single-ended output.DISTORTION - <0.01% at 2V RMS, balanced output.INPUT IMPEDANCE - 120k ohms balanced, 60k ohms single-ended.OUTPUT INP . - 600 ohms balanced, 300 ohms single-ended main OUTPUT POLARITY - Non-inverting.Dimensions: 19 W by 6.5H by 13.7 D. Handles extend 1.5 (38mm) forward of front panel.Weight: 16 lbs Current Retail on the LS28 SE is $12,000

Audio November 2011. Im Heft sind unter anderem folgende Themen/Tests/Gerätebesprechungen zu finden: Mit Heft CD: the Nineties Wireless-Aktivboxen von Canton - Drahtlos Musik hören im ganzen Haus: Canton Your World / Your Duo Komplett-Systeme: Philips HTS 9540 Samsung HT-D6750W Vorverstärker: Audio Research LS-27 Endstufen: Audio Reseach VS-115 NAD C245 BEE PC-Boxen: XTZ MH-800 Netzwerk-Player: Denon DNP-720 AE Pro-Ject Stream Box DS Lautsprecher: Dynavox Impulse V KEF Blade Quadral Titan VIII AV-Receiver: Arcam AVR-400 Pioneer SC-LX 75 Anthem MRX-500 Surround-Set: Teufel System 10 THX Ultra 2 Report: Ray Kimber Die Audio Bestenliste: neue und frühere Geräte im Klang- und Preisvergleich; Referenzen und Klassenreferenzen Viele ausführliche CD- bzw. Plattenbesprechungen Anzeigen aus der damaligen Zeit und vieles mehr Zustand: ein paar Reste vom Adressaufkleber vorne Falls nicht ausdrücklich erwähnt, sind die Hefte immer ohne CD und sonstige Beilagen. Die Hefte sind auch alle mehr oder weniger gebraucht. Es können evtl. Markierungen bei der Announcen vorhanden sein. Auch ist vereinzelt der Adressaufkleber noch ganz bzw. teilweise vorhanden, es können auch noch Reste am Heft sein. Preisausschrauben wurden in der Regel ausgefüllt bzw. auch ausgeschnitten und sonstige Vorlagen zum Herausschneiden sind in der Regel entfernt. Ab und zu ist auch eine Plattenkritik ausgeschnitten. Abholung möglich oder Versand auf Kosten des Käufers. Versand erfolgt nach Zahlungseingang. Bezahlung muss innerhalb einer Woche erfolgen oder nach Vereinbarung mit mir. Nach der allgemeinen Regelung des Bürgerlichen Gesetzbuches (BGB) trägt grundsätzlich der Käufer das Risiko des Verlusts und der Beschädigung der Ware auf dem Transportweg (§ 447 Abs.1 BGB). Der Versand der Ware geschieht also auf Risiko des Käufers. Dieses Angebot ist privater, nicht gewerblicher Natur. „Verkauf gebrauchter Ware von Privat“. Keine Haftung für Tippfehler.

The worlds largest online retailer of pre-owned audio Product DescriptionWho we areWhat we doOur ProcessOur Policies Audio Research LS8 MKII Stereo Tube Preamplifier Product SKU: 69529 Input Voltage: 120V # of Owners: 2 Service History: None Serial Number: 27401117 Age: Unknown Tobacco Exposure: No MSRP: $2495 Cosmetic Description: Good cosmetic condition with some minor visible cosmetic wear including a small scuff on the right side of the faceplate under the handle, some very small nicks in the top edge of the faceplate, and some faint scratches on the rear panel. This item does show a few blemishes, but is attractive overall and has been well cared for. What is Included: Preamplifier, Two Matsushita JDJ8 Tubes, Two Amperex ECC88 Tubes, Manual, Power Cable, Factory Packaging (This unit was not originally sold with a remote, remote not included) Other Notes: This unit was not originally sold with a remote, remote not included. Review 2 Functional Notes: Operational condition of this item is excellent, fully tested and no issues found. The new LS8 MKII is a pure Class-A circuit design with a large, fully-regulated power supply and is hand-assembled to the same critical standards as other Audio Research products. MKII component improvements include new regulator FET devices, higher-quality resistors, new Infinicap(r) coupling capacitors and our latest selected 6922 twin triode vacuum tubes. Shipping: Cost to ship this item within the contiguous United States is a flat rate of $37- including packaging and insurance. For all other locations including Hawaii, Puerto Rico and Alaska, please request a quote prior to purchase. Items with factory packaging will be double boxed. When factory packaging not available re-usable shipping box with custom injected-foam mold will be used. (for all items over 10 lbs). Note that all items valued over $750 will require a signature upon delivery. Your online source for the best value in new and used audio gear. Visit us online to Buy / Sell / Trade / Consign The Music Room is the largest online retailer of pre-owned HiFi equipment in the world. Headquartered in beautiful Boulder Colorado, The Music Room is a team of 17 strong (and growing) music lovers - all dedicated to one singular mission: delivering the very best online shopping experience in the audio industry - period. We specialize in well-cared for, previously used gear because that is what we are passionate about. We feel that there is nothing more fulfilling than creating a high-performance system on a budget with carefully selected used components, speakers and cables. Our program is safe, secure, fast, fair, hassle-free and highly effective. Visit us online to Buy / Sell / Trade / Consign Buy: Are you looking to get a fair price for your used home audio equipment without all the hassles, headaches, risks and fees? We will appraise your equipment and make you a quick, easy, fair cash offer. Just fill out our “get a quote” form on our homepage to start the process. Sell: We sell in multiple online venues with many (but not all) of our products available in our eBay store. Everything is quality-assured and backed by our best-in-class, satisfaction-guaranteed return policy. Trade: Make your budget go further with a generous trade-in allowance. Let us know what you have available, and we’ll get you the best possible trade-in allowance. We can even assist with shipping & logistics from anywhere in the USA. Just fill out our “get a quote” form on our homepage to start the process. Consign: We offer a hassle-free way for individuals and businesses to liquidate used gear. We’ll handle every step of the process from shipping to appraisals, customer service, fulfillment, and returns: Industry-low rates with no hidden fees Leverage our world-class reputation and get exposure in multiple sales venues - putting your product in front of over 570k monthly shoppers. Our program is Safe, Secure, Fast, Fair, Hassle-Free and Highly Effective. With 100% feedback ratings in every venue in which we sell, you can rest assured that we’ve got your back. Visit us online to Buy / Sell / Trade / Consign Quality Assurance: We offer 15-20 new product listings for sale daily. Each product undergoes an extremely rigorous quality-assurance and listening session by one of our qualified technicians. We understand that buying used audio equipment can be rife with uncertainty and unexpected headaches. Our quality assurance program is informed by a knowledge-base built through delivering over 30,000 used audio products to satisfied customers. We promise to deliver your product in good working order - exactly as described 100% of the time. Support: We don’t just make promises. We stand behind them - your satisfaction is guaranteed. Our support team is ready to help you with any questions you might have before and after the sale. Value: In the never-ending pursuit of high performance, it’s important to stretch your limited budget as far as possible. Used equipment sells for a fraction of new prices, and with a partner like The Music Room you can upgrade any time you like and get most of your money back. There’s simply no better way to maximize a limited audio budget. Packaging: We’ve invested thousands of dollars and countless hours into mastering our state-of-the-art packaging process. Our custom foam-in-place packaging system allows us to safely package almost any item regardless of irregular shapes or sizes. Most importantly, this system provides our customers with a re-usable shipping box which increases the resale value of the product and provides a shipping method for easy, secure returns. Be seen by over 70,000 monthly visitors. Visit us online to Buy / Sell / Trade / Consign Payment: Prompt payment is expected. Paypal is preferred but all forms of payment are accepted. Unpaid item case will be opened after 3 days if no payment received. Shipping Times: Most Domestic orders ship within 1 business day of purchase. For International orders or freight shipments, please allow 2-3 business days. In all cases, tracking information will be emailed to you at the moment the shipping label is created. If you cant find it or have other questions about shipping & logistics, please contact us. Shipping Costs: Flat rate shipping costs are applicable within the contiguous 48 States (USA). These rates are clearly posted on each product page. For an International or custom quote (including Hawaii, PR, AK) please contact us. Returns: Every purchase made on eBay carries a 30-day, satisfaction-guaranteed return policy. If youre not happy with your purchase for any reason or if youve simply changed your mind... no problem. Simply ship it back for a full refund or exchange (minus S&H costs). If you have received an item that is defective in some way, we will make it right. Let us know - we will pay for return shipping and repair the item or refund 100% of your original purchase price.

This is For: Audio Research LS28 Tube Preamp - Near Mint Condition - Original Box Remote & Manual Harder to find in Black Low Tube Hours - 1019 Local Pick-Up Available Ships Fedex Home - to Wisconsin 53072 Zip

Audio Research LS28 Preamplifier Minneapolis Minnesota as good as new 1AAA+++++++ My brother was original owner. like new used only a few times and with the original box.

Audio Research LS 28 Remote Control Used for shop demo. All features are working. Some scuffs and scratches. The Listening RoomThe Listening Room is a 3rd generation brick-and-mortar 2-channel Hi-Fi shop founded by my grandfather in 1978. We offer a range of audiophile stereo systems in our Chestertown, Maryland showroom and are the largest Magnepan speaker dealer in the world. We have decades of experience configuring great sounding audio systems, and can answer any questions that you have.

The worlds largest online retailer of pre-owned audio Product DescriptionWho we areWhat we doOur ProcessOur Policies Audio Research LS28 Stereo Tube Preamplifier; Silver Product SKU: 51985 Voltage: 120V # of Owners: 1 Service History: None Serial Number: 50434 Age: Unknown Tobacco Exposure: No MSRP: $7500 Cosmetic Description: Very good condition with minimal visible cosmetic wear including barely visible scuffs on the top surface near the back, there is a minor nick on the left side top edge. This item looks like new from just a few feet away. Youll have to examine very closely to find any signs of wear. What is Included: Preamplifier, Remote, Manual, Four Sovtek 6H30Pi-EB tubes, Screwdriver, Power cable, Factory packaging Other Notes: Tube Hours: 3764 The LS28 line stage is a flexible and intuitive preamplifier. Four balanced and four single-ended inputs, and two sets of both balanced and single-ended outputs, allow maximum connectivity. The straightforward menu allows control of numerous parameters, including input naming, tube hours, auto shutdown, and home theater passthrough. Phase invert and mono are also standard functions. At the heart of the LS28 are four 6H30 vacuum tubes in the analog circuit. While the LS28 is the perfect match for any Audio Research amplifier, it has been designed to work with nearly any amplifier on the market today. -Audio Research Functional Notes: Operational condition of this item is excellent, fully tested and no issues found. Shipping: Cost to ship this item within the contiguous United States is a flat rate of $85- including packaging and insurance. For all other locations including Hawaii, Puerto Rico and Alaska, please request a quote prior to purchase. Items with factory packaging will be double boxed. When factory packaging not available re-usable shipping box with custom injected-foam mold will be used. (for all items over 10 lbs). Note that all items valued over $750 will require a signature upon delivery. Your online source for the best value in new and used audio gear. Visit us online to Buy / Sell / Trade / Consign The Music Room is the largest online retailer of pre-owned HiFi equipment in the world. Headquartered in beautiful Boulder Colorado, The Music Room is a team of 17 strong (and growing) music lovers - all dedicated to one singular mission: delivering the very best online shopping experience in the audio industry - period. We specialize in well-cared for, previously used gear because that is what we are passionate about. We feel that there is nothing more fulfilling than creating a high-performance system on a budget with carefully selected used components, speakers and cables. Our program is safe, secure, fast, fair, hassle-free and highly effective. Visit us online to Buy / Sell / Trade / Consign Buy: Are you looking to get a fair price for your used home audio equipment without all the hassles, headaches, risks and fees? We will appraise your equipment and make you a quick, easy, fair cash offer. Just fill out our “get a quote” form on our homepage to start the process. Sell: We sell in multiple online venues with many (but not all) of our products available in our eBay store. Everything is quality-assured and backed by our best-in-class, satisfaction-guaranteed return policy. Trade: Make your budget go further with a generous trade-in allowance. Let us know what you have available, and we’ll get you the best possible trade-in allowance. We can even assist with shipping & logistics from anywhere in the USA. Just fill out our “get a quote” form on our homepage to start the process. Consign: We offer a hassle-free way for individuals and businesses to liquidate used gear. We’ll handle every step of the process from shipping to appraisals, customer service, fulfillment, and returns: Industry-low rates with no hidden fees Leverage our world-class reputation and get exposure in multiple sales venues - putting your product in front of over 570k monthly shoppers. Our program is Safe, Secure, Fast, Fair, Hassle-Free and Highly Effective. With 100% feedback ratings in every venue in which we sell, you can rest assured that we’ve got your back. Visit us online to Buy / Sell / Trade / Consign Quality Assurance: We offer 15-20 new product listings for sale daily. Each product undergoes an extremely rigorous quality-assurance and listening session by one of our qualified technicians. We understand that buying used audio equipment can be rife with uncertainty and unexpected headaches. Our quality assurance program is informed by a knowledge-base built through delivering over 30,000 used audio products to satisfied customers. We promise to deliver your product in good working order - exactly as described 100% of the time. Support: We don’t just make promises. We stand behind them - your satisfaction is guaranteed. Our support team is ready to help you with any questions you might have before and after the sale. Value: In the never-ending pursuit of high performance, it’s important to stretch your limited budget as far as possible. Used equipment sells for a fraction of new prices, and with a partner like The Music Room you can upgrade any time you like and get most of your money back. There’s simply no better way to maximize a limited audio budget. Packaging: We’ve invested thousands of dollars and countless hours into mastering our state-of-the-art packaging process. Our custom foam-in-place packaging system allows us to safely package almost any item regardless of irregular shapes or sizes. Most importantly, this system provides our customers with a re-usable shipping box which increases the resale value of the product and provides a shipping method for easy, secure returns. Be seen by over 70,000 monthly visitors. Visit us online to Buy / Sell / Trade / Consign Payment: Prompt payment is expected. Paypal is preferred but all forms of payment are accepted. Unpaid item case will be opened after 3 days if no payment received. Shipping Times: Most Domestic orders ship within 1 business day of purchase. For International orders or freight shipments, please allow 2-3 business days. In all cases, tracking information will be emailed to you at the moment the shipping label is created. If you cant find it or have other questions about shipping & logistics, please contact us. Shipping Costs: Flat rate shipping costs are applicable within the contiguous 48 States (USA). These rates are clearly posted on each product page. For an International or custom quote (including Hawaii, PR, AK) please contact us. Returns: Every purchase made on eBay carries a 30-day, satisfaction-guaranteed return policy. If youre not happy with your purchase for any reason or if youve simply changed your mind... no problem. Simply ship it back for a full refund or exchange (minus S&H costs). If you have received an item that is defective in some way, we will make it right. Let us know - we will pay for return shipping and repair the item or refund 100% of your original purchase price.

Audio Research Model LS8 MKII Preamplifier original box and manual NEW CONDITION. This device is in new condition, selling because I purchased a new preamplifier. The preamplifier was upgraded to a MKII in 2000, and you can see proof of this upgrade in the photos. It comes with the original manual, quality assurance certificate and original box.

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

Audio Research Model LS8 MKII Preamplifier original box and manual NEW CONDITION. This device is in new condition, selling because I purchased a new preamplifier. The preamplifier was upgraded to a MKII in 2000, and you can see proof of this upgrade in the photos. It comes with the original manual, quality assurance certificate and original box.

Synergistic Research Foundation UEF- Acoustic Panels. Set of 8 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