Audio Research Reference 300 Mkii

Audio Research

https://audioresearch.com/wp-content/uploads/2021/06/REF300II_Manual.pdf

ARCDB

https://arcdb.ws/REF300/REF300.html

The REFERENCE 300 as supplied from Audio Research is equipped with Russian 6550C, which is our current choice for reliability and long service. REFERENCE 300 MKII: (4 matched pairs) 6550C power output, (4) 6H30 triodes, (3) matched 6A57, (2) 6N1P.

Audio Research Reference 300 MKII Tube Amps | Tube | Audiogon

https://www.audiogon.com/listings/lis9hc0d-audio-research-reference-300-tube

Audio Research Reference 300 MKII Tube Amps [Expired] Set of Audio Research Reference 300 Vacuum Tube Amplifiers. Both amps we're given a complete check up, tube replacement and tuning at Audio Research last year ($4.6K service). Specs here: http://www.arcdb.ws/REF300/REF300.html.

Audio Research Reference 300 mkII Monoblock Amps | Tube ...

https://www.audiogon.com/listings/lis8fh2h-audio-research-reference-300-mkii-monoblock-amps-tube

Audio Research Reference 300 mkII for sale. Audio Research Monoblock power amps, 280W/ch, guaranteed to work. All tubes checked and chart included. Only 173.4 hours on retube by Audio Research. These are 300's converted to the Mk II, again d...

KT120 tubes in AudioResearch ref 300 MK2 - High-End Audio ...

https://forum.audiogon.com/discussions/kt120-tubes-in-audioresearch-ref-300-mk2

That's a shame, but better you asked first. If you ever change out the Ref 300 mkII for another ARC Ref amp, e.g., the new Ref 250, the KT-120s come standard. In any case, I'm sure the Ref 300 sounds great. I hope you continue to enjoy it for years to come.

Audio Research Reference 300 Monaural Power Amplifier ...

https://www.hifiengine.com/manual_library/audio-research/reference-300.shtml

This website is not affiliated with or sponsored by Audio Research. To purchase Reference 300/Reference 300 mkII spares or accessories, please contact the company via their website or visit an authorised retailer.