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Audio Research Dual 75a
http://forums.audioreview.com/vintage-gear/audio-research-dual-75a-20455.html
Audio Research remains one of the premier manufacturers of tube equipment. I bought my first ARC component twenty five years ago. Given the quality of the design and parts and because of the committment of the company to maintain them, it will last as long as you want it to. You may find this link interesting: ARC Database rw
Audio Research D-75A Tubed Amplifier | Tube | Audiogon
https://www.audiogon.com/listings/audio-research-d-75a-tubed-amplifier
Very Clean Audio Research Dual 75A (D-75A). Biased up to 50ma each output tube and working perfectly...ready to go. One of Audio Research's best Amplifers ever made. No hum, or noise. Front Lamp changed out to long lasting Blue LED. …
Audio Research Dual 75A High Definition Audio Amplifier ...
https://reverb.com/item/29975348-audio-research-dual-75a-high-definition-audio-amplifier
Audio Research Dual 75A High Definition Audio Amplifier Very Good $1,499.99 Free Shipping Listing Ended Make an Offer If you watch the listing, we'll notify you if it becomes available again. Shipped From BGS Huntington Beach, CA, United States 2,512 Sales 6000+ Joined Reverb 2019 Preferred Seller Quick Responder Message Seller Payment & Returns
audio research dual 75a - Audio & Video Forums
http://forums.audioreview.com/amps-preamps/audio-research-dual-75a-20456.html
audio reserch dual 75a. Thanks Joe, I stopped by today to check the amp out. I would give it 5/10 for it physical condition, there are quite a few scratches and nicks here and there but for a 31years old amp I think it did quite well. However,I was disappointed with the sound, the owner sold the preamp so he has the amp connected with a ipot ...
ARCDB
https://www.arcdb.ws/model/DUAL75
DUAL 75A chassis tube diagram Specifications Power output 75 Watts RMS per channel minimum into 4, 8, or 16 ohm load from 20 Hz to 15 KHz with less than 1% total harmonic distortion Power bandwidth 15Hz to 30kHz Frequency response - Input sensitivity 1.5V for rated output Input impedance 80K ohms at 20 Hz, 30K ohms at 15 KHz Output taps
Audio Research Reference 75 power amplifier - …
https://www.stereophile.com/content/audio-research-reference-75-power-amplifier
Design The Reference 75 ($9000) is similar to the Ref 110 and Ref 150 in that all three use input circuits using direct-coupled JFETs and a 6H30 tube. However, the Ref 75 has only four Tungsol KT120 output tubes (in ARC's ultralinear "partially cathode coupled" topology), compared with eight in the Ref 150, and eight 6550Cs in the Ref 110.
Audio Research D-75A great condition, serviced, with box ...
https://www.audioasylumtrader.com/ca/listing/Amplifier-Tube/Audio-Research/D-75A/great-condition-serviced-with-box-and-manual/56740
For sale is very nice and great sounding D-75A tube amp from Audio Research. I'm the second owner and the history of the amp is as follow. It was sold in 73' . In the end of 94' Audio research performed complete overhaul of the unit with all PSU and board electrolytic caps replaced , new tubes , gold plated RCA input socket instaled and input ...
Audio Research – High-end audio equipment
https://audioresearch.com/
Audio Research continues its dedication to unparalleled musical expression and crafting components of the highest quality and lasting value for its customers. Our long-term dedication to service is peerless in this industry (Audio Research, with few exceptions, can repair anything ever produced during its entire history).
Audio Research D-75 High Definition Audio Amplifier Manual ...
https://www.hifiengine.com/manual_library/audio-research/d-75.shtml
Specifications. Power output: 75 watts per channel into 8Ω (stereo) Frequency response: 15Hz to 30kHz. Total harmonic distortion: 1%. Damping factor: 14. Input sensitivity: 1.5V. Signal to noise ratio: 80dB. Speaker load impedance: 4Ω to 16Ω. Valve …
Audio Research 75 SE - Audiogon Discussion Forum
https://forum.audiogon.com/discussions/audio-research-75-se-3
I just heard there is an Audio Research Ref 5 SE and they are offering the update to Ref 75 owners. Not only includes the 150 tube but also some circuit changes to better accommodate the new tube. Audio Research states this is a dramatic improvement as much so as from Ref 5 to the Ref 5SE.. Anybody heard it.
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