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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: ALL ON 6GH8A TUBES! posted by alexcozac@hotmail.com on May 6, 2003 at 20:55:06:
The original Dynaco ST70 and MkIV used 7199. The Sound Valves remakes of these amps, ST70 series II, Sound Valves VTA/70i and M-40 used 6GH8A's. If I remember right, they all used Phillips 6GH8A's. The circuits between the Dynaco and Sound Valves amps are different and the driver/phase inverter tubes are not interchangeble.By the way, the Sound Valves amps are very good. At one point I had some MkIV's and M-40's. It was pretty cool to see and hear 30+ years of circuit refinement.
Here is a link to the history of the ST70:
http://www.tnt-audio.com/ampli/dynaco1e.html
Take care,
Rodney
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Follow Ups
- 6GH8 vs 7199 - rodney 05/7/0311:49:10 05/7/03 (0)
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