Reviews on audio research
- This audio research LS 15 vacuum tube stereo preamplifier is in very good working condition and no defects have been found. However, the remote control is not well connected and sometimes cannot work. It is recommended to change a circuit board (eBay purchase link: Audio research remote control circuit board) for $13. For reference only. audio research LS 15 vacuum tube stereo preamplifier. Condition is "Used". Shipped with USPS Priority Mail. Comes with original box and double packaging for delivery.Thank you....
Onsale for $ 1,299.00 and shipping from Philadelphia, Pennsylvania...read more on eBay... 
- Audio Research SP-9 Preamplifier.Beautiful machine. Sounds very solid and clean.Please verify with picture for cosmetic condition. The Audio electronics is in mint condition, sounds very solid and clean.Fully cleaned and tested. If you are not familiar with this machine.. this machine takes about a minute to charge all the caps and warm up the tube for proper operation. nothing is wrong with the machine. Please ask all question before bidding. I do accept return but for good reason.Please message me if you have issues after perchase I will try my best to resolve any issues. Pickup and viewing and listening available from my showroom in NYC. Thank you....
Onsale for $ 720.00 and shipping from New York, New York...read more on eBay... 
- Audio Research VT100 Vacuum Tube Amplifier. Condition is Used. Shipped with USPS Parcel Select Ground.https://www.arcdb.ws/model/VT100 100 watts minimum continuous from 20Hz to 20kHz per channel. 4 matched pairs of 6550 output tubes and 8 6922 driver tubes. Works very well, sounds great and warm. Very minor wears. Just maintained by local dealer in SF.Selling it because I need to find a smaller amp after moving :( No original box. Happy to deliver it if you live in Bay Area....
Onsale for $ 2,000.00 and shipping from San Jose, California...read more on eBay... 
- Good condition. Audio Research SP-7 Preamplifier Preamp. With Phono Stage. Tested and Working. One owner. Absolutely no cosmetic wear. All original cosmetic condition. No modifications at all. Maintained very well. No Hazardous exposure ever. Separate front panel power receptacle switch. A front panel switch that operates 3 relay controlled outlets with a 1600 Watt capacity for power amplifiers and other outboard devices. Also special circuitry slowly brings voltages to proper operating levels thus assuring long life of internal components and suppressing turn on transients. SHIPPING QUOTE IS NOT ACCURATE. PLEASE CONTACT FOR ACCURATE SHIPPING QUOTE. Shipping cost is per Amplifier, so expect shipping costs to be at least double. PLEASE PAY AFTER WE GIVE ACCUR...
Onsale for $ 500.00 and shipping from Vienna, Virginia...read more on eBay...
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