On-yah, Ginge! (nt) - Allen Wright

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Do It Yourself (DIY) paradise for tube and SET project builders.

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Topic - What PP amp to build? - speleo 06:47:34 04/02/07 (43)

Use 6sj7gt into 6BL7 into Kt77's all octal. - -3db 18:11:22 04/09/07 (0)

Re: What PP amp to build? - sorenj07 18:26:57 04/03/07 (5)

5K not optimal for Williamson, BUT check this out! - Thomas Martens 13:16:24 04/04/07 (3)

Whoops! minor correction.... - Thomas Martens 13:25:58 04/04/07 (2)

With all these stages, and no loop feedback... - Allen Wright 01:24:43 04/05/07 (1)

Yep... - Thomas Martens 20:57:49 04/05/07 (0)

Re: What PP amp to build? - sorenj07 18:31:34 04/03/07 (0)

EL34, triode connected.... - Thomas Martens 17:28:49 04/03/07 (0)

Mullard 4-20 (NT) - maxhifi 10:36:26 04/03/07 (0)

Re: What PP amp to build? - shermanr@prw.net 08:45:08 04/03/07 (0)

Re: What PP amp to build? - Michael Samra 02:16:12 04/03/07 (0)

PP1 as pentode with local feedback - pipo 00:24:00 04/03/07 (10)

"Can I lower the 470 ohm resistor in the tail of the cascodes... - Allen Wright 05:15:37 04/03/07 (9)

Local Loop feeback - maxhifi 12:55:12 04/03/07 (8)

Re: Local Loop feeback - Ron Oehlert 15:06:23 04/03/07 (7)

I disagree with this point. - Allen Wright 01:20:30 04/04/07 (6)

"The RDH states: A transformer's distortion is zero if the driving impedance is also zero..." - kurt s 14:20:47 04/05/07 (0)

OT inside a feedback loop - Gingertube 20:50:28 04/04/07 (2)

More rave - he must be bored - Gingertube 21:13:31 04/04/07 (1)

On-yah, Ginge! (nt) - Allen Wright 01:20:11 04/05/07 (0)

Zero distortion... - Triode_Kingdom 13:12:59 04/04/07 (1)

You'll have to read it for yourself... - Allen Wright 01:21:38 04/05/07 (0)

Einstein Aikido, maybe - nc 23:59:43 04/02/07 (0)

Re: What PP amp to build? - Eli Duttman 17:36:10 04/02/07 (1)

Splitter? - Ray Moth 01:12:40 04/03/07 (0)

Re: Splitter? - Eli Duttman 01:45:00 04/03/07 (0)

I'd suggest - Russ57 09:47:46 04/02/07 (14)

Or with 300b's - SteveBrown 07:20:33 04/03/07 (1)

How did you organise the individual 300B's biasing? (nt) - Allen Wright 01:22:53 04/04/07 (0)

This basic circuit works very well with KT88.6550 type tubes... - Allen Wright 10:09:30 04/02/07 (11)

Got a version that will work with EL-84's? - Ivan303 13:10:13 04/03/07 (10)

EL84 Amp - another possibility - Gingertube 18:14:21 04/04/07 (2)

Re: EL84 Amp - another possibility - pipo 02:46:29 04/05/07 (1)

Re: EL84 Amp - another possibility is the STC el84 or ecl82 - pipo 02:49:18 04/05/07 (0)

Only need to reduce the B+... - Allen Wright 01:25:01 04/04/07 (0)

It will work with them but.... - Russ57 17:01:31 04/03/07 (5)

I disagree... - Allen Wright 04:43:42 04/04/07 (4)

I think I was misunderstood - Russ57 06:14:49 04/04/07 (3)

He did say he wanted real killer of a El84 amp... (nt) - Allen Wright 08:13:17 04/04/07 (2)

cascode question for allen wright - pipo 02:44:21 04/05/07 (1)

maybe saw it, never tried it. - Allen Wright 06:03:17 04/05/07 (0)

Re: What PP amp to build? - Michael Samra 08:29:53 04/02/07 (1)

Re: What PP amp to build?ST-70 6267/ecc99 into triode kt88's nt - -3db 16:48:31 04/02/07 (0)

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On-yah, Ginge! (nt) - Allen Wright 01:20:11 04/05/07 (0)