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Audio Research CD7's 6H30 tube rolling - Audiogon Marketplace
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. Some people have commented that the NOS tubes are sweeter sounding and have more "air" …
Tubes Asylum: RE: 6H30 tubes in Audio Research gear by Bambi B
https://db.audioasylum.com/cgi/m.mpl?forum=tubes&n=198952&highlight=Bambi+B&r=
I'm a long-time Audio Research owner (SP8, SP10, LS3, D130, D115 at the moment) and have been somewhat cautious concerning the 6H30 tube. However, the designs that were voiced around this tube have been quite successful, and the CD7 > REF3 > 210T > Vandersteen Quattro system I heard a year ago almost convinced me to take CDs seriously !
6H30 tube life | What's Best Audio and Video Forum. The ...
https://www.whatsbestforum.com/threads/6h30-tube-life.10874/
Thinking of getting an Audio Research LS-26. They have 6H30 tubes and I was told they only last about 800 hrs. Is this true? I thought they were good for up to 5000 hrs. I need some clarification as these tubes can be expensive.:confused:
Sovtek 6H30PI Audio Tubes - www.thetubestore.com
https://www.thetubestore.com/sovtek-6h30pi
This unusual tube variant (sometimes called the 6H30, 6N30 or 6N30P) was first used in hifi audio by Balanced Audio Technologies. They introduced it to the audiophile world in the 1990's. Now, many other audio designers/manufacturers such as Audio Research and Conrad Johnson, use this wonderful tube in their tube amplifiers and preamps as well.
www.thetubestore.com - Tubes with part numbers beginning ...
https://www.thetubestore.com/preamp-tubes/6h30-tube-types
So where two or more 6922 tubes were used, one 6H30 could now do the job. Now this tube fairly common and found in reference level gear by Audio Research, Ayon, and Conrad Johnson to name only a few. Because it's considered very modern there are not many brands to choose from. We offer the Sovtek and Electro Harmonix tubes, both in current production.
Audio Research - DAC 9 Tube DAC - The Source AV
https://thesourceav.com/products/audio-research-dac-9-tube-dac
A pair of 6H30 vacuum tubes are the heart of the analog circuit. Both balanced and single-ended connectors are provided for output connectivity. Native-rate upsampling and selectable digital filters allow customization of the digital signal.Audio Research is pleased to introduce the Foundation Series.
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