Posted by Damir [ 213.202.111.64 ] on November 29, 2005 at 12:31:47:

In Reply to: Need favorite 12B4 for Guinevere line stage recommendations? posted by Norris Wilson on November 28, 2005 at 21:11:48:

I wish I culd help, but I have just one pair of "Sylvania" 12B4A...
But, I have to ask - what operating point you plan to use, and way of biasing? I mean - with similar OP (100V/15mA) like with 5687 version, bias is about -12...13V with 12B4A.

Replies:

• Re: Need favorite 12B4 for Guinevere line stage recommendations? - Norris Wilson 16:36:57 11/29/05 (21)
  • Re: Need favorite 12B4 for Guinevere line stage recommendations? - Damir 06:50:15 11/30/05 (13)
    • Re: Need favorite 12B4 for Guinevere line stage recommendations? - Norris Wilson 22:06:46 11/30/05 (12)
      • Power supply isolation - PakProtector 15:57:39 12/01/05 (0)
      • availability of DN2540N5 - MQracing 13:24:00 12/01/05 (8)
        • No bills, Please! - Norris Wilson 18:40:07 12/01/05 (7)
          • Re: No bills, Please! - MQracing 21:18:03 12/01/05 (6)
            • Re: No bills, Please! - Norris Wilson 21:54:46 12/01/05 (5)
              • You and Kevin,working together, that's neat. - 2wo 21:10:56 12/02/05 (4)
                • Re: You and Kevin,working together, that's neat. - MQracing 10:03:46 12/03/05 (3)
                  • heh-heh-heh... - PakProtector 10:59:43 12/03/05 (2)
                    • Re: heh-heh-heh... - MQracing 11:36:15 12/03/05 (1)
                      • Re: heh-heh-heh... - manualblock 14:36:51 12/03/05 (0)
      • another source... - PakProtector 11:30:46 12/01/05 (0)
      • possible source for DN2540N5 transistors - MQracing 22:43:10 11/30/05 (0)
  • Re: Need favorite 12B4 for Guinevere line stage recommendations? - PakProtector 17:55:57 11/29/05 (6)
    • Re: Need favorite 12B4 for Guinevere line stage recommendations? - manualblock 20:14:34 11/29/05 (5)
      • Re: Need favorite 12B4 for Guinevere line stage recommendations? - PakProtector 20:18:35 11/29/05 (4)
        • Re: Need favorite 12B4 for Guinevere line stage recommendations? - manualblock 07:43:27 11/30/05 (3)
          • Re: Need favorite 12B4 for Guinevere line stage recommendations? - PakProtector 14:08:12 11/30/05 (2)
            • Re: Need favorite 12B4 for Guinevere line stage recommendations? - manualblock 06:39:21 12/01/05 (1)
              • Re: Need favorite 12B4 for Guinevere line stage recommendations? - PakProtector 15:47:53 12/01/05 (0)