RE: Cobalt SET 45

MagneQuest/Peerless Forum

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In Reply to: Cobalt SET 45 posted by tgnade on November 2, 2015 at 11:16:24:

The Type 50 would require substantially more voltage, including a different driver that could operate at higher voltage, and of course a different filament supply.

However, a 2A3 could operate at the same voltages, running higher plate current (55mA) into a lower impedance transformer (2500-3000 ohms). It would produce about the same power as a Type 50. This is, after all, the reason the 2A3 was developed - to get more power than a Type 45 without raising the power supply voltage. A couple different resistors, and new audio iron, seem to be the only changes needed.

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Follow Ups Full Thread

Topic - Cobalt SET 45 - tgnade 11:16:24 11/02/15 (8)

RE: Cobalt SET 45 - mqracing 18:07:53 11/04/15 (2)

RE: Cobalt SET 45 - tgnade 06:42:20 11/07/15 (0)

RE: Cobalt SET 45 - tgnade 10:49:39 11/05/15 (0)

RE: Cobalt SET 45 - tgnade 00:18:53 11/03/15 (3)

RE: Cobalt SET 45 - mqracing 09:39:44 11/04/15 (2)

RE: Cobalt SET 45 - tgnade 12:27:09 11/04/15 (1)

RE: Cobalt SET 45 - mqracing 18:05:35 11/04/15 (0)

RE: Cobalt SET 45 - Paul Joppa 14:54:42 11/02/15 (0)

Follow Ups

RE: Cobalt SET 45 - Paul Joppa 14:54:42 11/02/15 (0)

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