RE: Help me ID this ST70 mod

Dynaco-Doctor Forum

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In Reply to: RE: Help me ID this ST70 mod posted by xaudiomanx on March 15, 2016 at 21:39:29:

The tubes are 6922's. It looks, on further consideration, like Curcio's Cascode Differential Amplifier Driver Amplifier w/ Active Current Source, which is a 4 tube driver board.

The Audio Research mod, according to ARCDB, has 6 to 7 tubes on the driver board.

Thanks for the response.

Idler

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Follow Ups Full Thread

Topic - Help me ID this ST70 mod - Idler 12:56:17 03/15/16 (4)

RE: Help me ID this ST70 mod - xaudiomanx 21:42:23 03/15/16 (0)

RE: Help me ID this ST70 mod - xaudiomanx 21:39:29 03/15/16 (2)

RE: Help me ID this ST70 mod - Idler 19:36:06 03/16/16 (1)

RE: Help me ID this ST70 mod - zacster 03:58:14 04/18/16 (0)

Follow Ups

RE: Help me ID this ST70 mod - Idler 19:36:06 03/16/16 (1)

RE: Help me ID this ST70 mod - zacster 03:58:14 04/18/16 (0)

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