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Audio Research CD7's 6H30 tube rolling - High-End Audio ...
https://forum.audiogon.com/discussions/audio-research-cd7-s-6h30-tube-rolling
Audio Research CD7's 6H30 tube rolling The CD7 uses 6H30 tubes - 3 for power supply and 4 for the output stage. Presently there are only new 6H30 tubes from Sovtek and Electro-Harmonix and NOS 6H30-DR tubes from the Russian military from around 20 years ago.
Audio Research CD7.5 - Choice HiFi
https://www.choicehifi.com/product/audio-research-cd7-5/
Audio Research CD7 with .5 upgrade. Black. ... a look inside the CD7 reveals a wealth of proven Audio Research design philosophy. Circuit boards are Audio Research engineered, with robust construction, careful hand soldering and layouts optimized for lowest digital noise. ... which placed greater demands on power supply reserves. The CD7 laser ...
Audio Research CD7 tubed CD player, with new factory upgrade
https://www.canuckaudiomart.com/details/649001119-audio_research_cd7_with_new_upgrade/
This is the famous Audio Research CD7 player that has received excellent reviews by all the major Audio publications.The AR CD7 uses vacuum tubes (naturally ;-) in the power supply and high voltage regulation circuits, which results in a far more natural and detailed sound. This is the kind of CD...
Ultra Audio Equipment Review -- Audio Research Reference ...
https://www.soundstageultra.com/equipment/arc_reference_cd7.htm
The sound quality offered by the Audio Research Reference CD7 is outstanding in the here and now. I hypothesize that it is components like the CD7 that stretch the limitations of the "Red Book" CD format, and not the other way around. That makes the CD7 about as future-proof as you can get in today’s audiophile marketplace.
Audio Research CD7 Tube CD Player; CD-7; Remote (SOLD ...
https://tmraudio.com/components/cd-sacd-players/audio-research-cd7-tube-cd-player-cd-7-remote/
Product: Audio Research CD7 Tube CD Player; CD-7; Remote. ... Other Notes: This item includes a tube upgrade to the power supply as well as optional all-metal remote upgrade ($170 value). "I am totally smitten with the Reference CD7. It simply makes beautiful music. Yes, I have a large number of SACDs that I would miss if the CD7 were my only ...
Audio Research – High-end audio equipment
https://audioresearch.com/
The Reference Series from Audio Research was first introduced in 1995 and has been the ultimate representation of performance, musicality and power. Foundation Series From the same engineering and design team responsible for the award-winning Reference Series, the Foundation family of vacuum tube components has been created to provide ...
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