I have this PPEL84 amp chassis. It has a 5u4 tube rectifier. The old circuit is a mess and i am not going to copy it as almost all the caps and resistors were kaput! The original circuit had a 3 tube front end. A triode input to 12ax7 splitter. I am considering the EICO HF81 or the Rogers Cadet? Anyone out there care to share their experience with either or these circuits or something else? Only requirement is I would like to stick with 3 tubes in the front end.Best regards, Dak
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Topic - I want to make an EICO HF81 or Rogers clone, sans preamp - DAK 20:35:06 08/11/17 (34)
- Look up the following: - Ross 04:56:29 08/17/17 (0)
- RE: I want to make an EICO HF81 or Rogers clone, sans preamp - SteveSchecter 05:38:03 08/14/17 (10)
- I got it! use the EICO HF86 scheme with 6c4 tubes - DAK 18:06:55 08/14/17 (4)
- RE: I got it! use the EICO HF86 scheme with 6c4 tubes - Eli Duttman 20:33:35 08/14/17 (3)
- Yeah, i found that out quick! - DAK 22:52:33 08/14/17 (2)
- RE: Yeah, i found that out quick! - Eli Duttman 02:28:35 08/15/17 (1)
- RE: Yeah, i found that out quick! - DAK 10:58:18 08/15/17 (0)
- RE: I want to make an EICO HF81 or Rogers clone, sans preamp - DAK 10:08:53 08/14/17 (1)
- RE: I want to make an EICO HF81 or Rogers clone, sans preamp - SteveSchecter 05:12:19 08/15/17 (0)
- RE: I want to make an EICO HF81 or Rogers clone, sans preamp - Salectric 06:19:03 08/14/17 (2)
- SOOOO tempting.... - Ivan303 07:17:46 08/14/17 (1)
- RE: SOOOO tempting.... - Triode_Kingdom 08:32:36 08/14/17 (0)
- RE:What about the Pilot SA 232? - DAK 23:38:50 08/13/17 (1)
- RE:What about the Pilot SA 232? - Eli Duttman 07:35:31 08/14/17 (0)
- Simple...remember that EL84's are also signal tubes - PakProtector 18:16:47 08/13/17 (1)
- RE: Simple...remember that EL84's are also signal tubes - DAK 22:22:27 08/13/17 (0)
- RE: I want to make an EICO HF81 or Rogers clone, sans preamp - vinnie2 04:15:35 08/12/17 (0)
- why not build an 'idealised design' PP EL84M amp? - Timbo in Oz 02:40:42 08/12/17 (11)
- RE: why not build an 'idealised design' PP EL84M amp? - DAK 02:49:39 08/12/17 (10)
- Do you know the make and model of the donor amp? - Ivan303 08:11:01 08/12/17 (9)
- Maybe Admiral? - DAK 09:30:34 08/12/17 (8)
- A 12AX7 as splitter? bad idea, way too much gain - Timbo in Oz 00:09:03 08/14/17 (6)
- No Gain if It's a Cathodyne - Triode_Kingdom 05:28:22 08/14/17 (5)
- I know, my LEAK St20s now sound a LOT better with a 6CG7 in that role, in LTP with a FET CCS. - Timbo in Oz 14:50:50 08/14/17 (0)
- Cathodyne (Concertina) PI in Fender Princeton amps - FenderLover 07:54:35 08/14/17 (3)
- Tone? we're talking about a hi-fi amp, aren't we? - Timbo in Oz 15:10:39 08/14/17 (2)
- Actually, I'm kinda agreeing with you... - FenderLover 19:40:24 08/14/17 (1)
- Interesting,... - Salectric 11:54:38 08/16/17 (0)
- RE: Maybe Admiral? - Eli Duttman 12:15:58 08/12/17 (0)
- RE: I want to make an EICO HF81 or Rogers clone, sans preamp - Eli Duttman 23:06:56 08/11/17 (4)
- RE: Actually, i have another project that will use the Fisher schematic - DAK 02:53:57 08/12/17 (3)
- RE: Actually, i have another project that will use the Fisher schematic - Eli Duttman 03:32:58 08/12/17 (2)
- RE: Actually, i have another project that will use the Fisher schematic - DAK 09:44:31 08/12/17 (1)
- I second the "post a photo" request. - FenderLover 17:43:26 08/12/17 (0)