RE: For the 211 what driver, what PS voltage?

Posted by vhrynchuk (A) on November 14, 2010 at 16:46:24

In Reply to: For the 211 what driver, what PS voltage? posted by Frihed89 on November 14, 2010 at 12:49:11:

211 is not the best tube for DRD. The anode voltage for 211 only has to be around 1KV. So for DRD is around 1.3KV. The plate impedance is more than 3KOm which demands an output transformer 15KOm on primary to have a good damping factor. With mu 12 you will need DC on the filaments. All in all for 12 Wats of output power it doesn't worth all efforts. If you need 12 Wats 300BXLS from EML or Kron will sound much better and will cost less despite the price of the tubes.

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Follow Ups Full Thread

Topic - Full Monkey amps - Frihed89 03:38:57 11/14/10 (18)

RE: Full Monkey amps - Palustris 11:36:18 11/14/10 (0)

RE: Full Monkey amps - vhrynchuk 08:44:53 11/14/10 (7)

RE: Full Monkey amps - Palustris 13:23:45 11/14/10 (6)

RE: Full Monkey amps - danlaudionut 00:35:23 11/15/10 (5)

6EM7 - Frihed89 01:13:50 11/15/10 (4)

RE: 6EM7 - danlaudionut 03:27:48 11/15/10 (3)

My take (on 6EW7) - gluca 10:26:45 11/15/10 (2)

RE: My take (on 6EW7) - danlaudionut 10:39:28 11/15/10 (1)

RE: My take (on 6EW7) - gluca 11:34:19 11/15/10 (0)

RE: Full Monkey amps - Thorsten 07:41:23 11/14/10 (5)

For the 211 what driver, what PS voltage? - Frihed89 12:49:11 11/14/10 (4)

RE: For the 211 what driver, what PS voltage? - Thorsten 18:22:20 11/14/10 (1)

RE: For the 211 what driver, what PS voltage? - Frihed89 01:16:45 11/15/10 (0)

RE: For the 211 what driver, what PS voltage? - vhrynchuk 11/14/1016:46:24 11/14/10 (1)

RE: For the 211 what driver, what PS voltage? - GTCharlie 22:27:50 11/14/10 (0)

RE: Full Monkey amps - David McGown 04:15:35 11/14/10 (2)

RE: Full Monkey amps - Paul Joppa 19:23:48 11/14/10 (1)

oh! - gluca 12:24:28 11/15/10 (0)

Follow Ups

RE: For the 211 what driver, what PS voltage? - vhrynchuk 11/14/1016:46:24 11/14/10 (1)

RE: For the 211 what driver, what PS voltage? - GTCharlie 22:27:50 11/14/10 (0)

RE: For the 211 what driver, what PS voltage?

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