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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. Some people have commented that the NOS tubes are sweeter sounding and have more "air" …
Audio Research - Audio Concepts
https://audioconceptsonline.com/audioresearch/
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. Power Amplifiers Reference 160M – Vacuum tube Monaural power amplifier
6H30 "Super Tube" | Audiokarma Home Audio Stereo ...
https://audiokarma.org/forums/index.php?threads/6h30-super-tube.628007/
A lot of this has to do with the fact AR uses SS devices in the higher gain stages, and uses the 6H30 as both an output tube for pre-stages, probably as a cathode follower, or as phase splitters in it's power amps, and I think they use the …
www.thetubestore.com - Tubes with part numbers beginning ...
https://www.thetubestore.com/preamp-tubes/6h30-tube-types
It comes in a small package but due to it's low impedance one 6H30 tube can drive a signal more efficiently than several more common tubes in it's place. 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.
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.
Audio Research – High-end audio equipment
https://audioresearch.com/product/dac-9/
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.
6H30 tube life | What's Best Audio and Video Forum. The ...
https://www.whatsbestforum.com/threads/6h30-tube-life.10874/
I only replaced the 10 6H30 of my Audio Research REF 40 at around 6000 hours. They still measure like new, but as one or two of them started emitting strange low level crackling noises intermittently - a few minutes or seconds now and then - I decided to replace all of them.
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 Reference 3 line preamplifier | …
https://www.stereophile.com/tubepreamps/1206arc/index.html
Four new circuit boards and two new transformers replace those used in the Ref.2 Mk.II. The audio circuit is all tube, fully differential, pure class-A, and wholly free of negative feedback. As in previous ARC Reference preamps, two pairs of 6H30 twin-triode tubes provide gain, and the power supply is fully tube-regulated.
The Audio Research REF 6 Linestage – Reviews | TONEAudio ...
https://www.tonepublications.com/review/the-audio-research-ref-6-linestage/
The Audio Reseach REF 6. MSRP: $14,000 www.audioresearch.com. PERIPHERALS. Digital Sources: Mac Mini, Roon Music Service, dCS Debussy, Synology DiskStation. Amplification: Burmester 911 mk3. Preamplification: Coffman Labs G1-B. Speakers: GamuT RS3, JL Audio Dominion Subwoofers. Cables: Jena Labs. Power: Torus AVR 15 Plus, RSA Mongoose power …
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