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OTL Asylum: Parts arrived yesterday by jeffreybehr OTL, Output Transformerless Amplifier User Group. |
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In Reply to: Oh-m'-god--I just bought a pair of MA-1/3.1s posted by jeffreybehr on December 29, 2018 at 17:52:07:
Seems retailers of SoundCoat are out of my preferred, thicker Soundcoat.. Lucky me that 'Mr. Excess' still had three new sheets in inventory, and that's the FIRST thing going into the amps.. The black caps are 1uF SoniCap Platinums for main-PS bypasses, the 470/160 BlackGates are also main-PS bypasses, the large brown caps are Miflex KPCU-copper frontend-PS bypasses--and WOW these 600VDC copperfilm caps are BIG!.. The smaller Miflexes are 0.1uf couplers, bindingposts are Cardas CCRRs, XLR connectors are Cardas CM-Fs, and hookup wire is Neotec UPOCC 18g. copper from my inventory.
The installation of the Miflex KPCU--copperfoil/paper&'propylene/oil--coupling caps and all-platinum bypass caps in my A-S M-60s richened the sound a good bit, fully eliminating the slight thinness of the Quad 2905s' sound and also increased overall resolution/transparency a bit.. I expect I'll get at least those changes in my MA-1s.
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Topic - Oh-m'-god--I just bought a pair of MA-1/3.1s - jeffreybehr 17:52:07 12/29/18 ( 22)
- Just installed new amppads made of 1.2"-thick granite - jeffreybehr 14:07:49 02/10/19 ( 0)
Update--amps are about 98% finished and I"M THRILLED! - jeffreybehr 11:11:08 01/23/19 ( 0)
Installed coupling caps - jeffreybehr 15:00:43 01/19/19 ( 0)
Transformer bells...er...covers 'derung' and original transformers and caps - jeffreybehr 17:38:59 01/18/19 ( 0)
Some progress--PS bypasses and SoundCoat - jeffreybehr 10:49:00 01/18/19 ( 1)
- Oh yes--I have LOTS of those brass screws and flatwashers... - jeffreybehr 11:23:15 01/18/19 ( 0)
Parts arrived yesterday - jeffreybehr 01/16/19 15:34:31 01/16/19 ( 0)
Anyone use any footer more expensive than Herbies Tenderfoots under theirs? - jeffreybehr 11:40:14 01/11/19 ( 0)
ONE amp arrived today; I'm hoping for #2 tomorrow. Footers? - jeffreybehr 23:06:42 01/7/19 ( 7)
- RE: ONE amp arrived today; I'm hoping for #2 tomorrow. Footers? - Cousin Billy 05:49:54 01/8/19 ( 6)
- Bypass cap update - Cousin Billy 15:11:07 01/15/19 ( 5)
- RE: Bypass cap update - Lew 09:29:38 01/19/19 ( 4)
- Probably a good idea with the smaller caps - jeffreybehr 10:13:47 01/19/19 ( 3)
- PS... - Lew 10:52:49 01/20/19 ( 1)
- Those two big blue cylinders are indeed the output-stage... - jeffreybehr 16:03:38 01/20/19 ( 0)
- RE: Probably a good idea with the smaller caps - Lew 14:39:28 01/19/19 ( 0)
RE: Oh-m'-god--I just bought a pair of MA-1/3.1s - c1ferrari 22:06:56 01/7/19 ( 0)
They'll be here Tuesday the 8th! :-) - jeffreybehr 11:09:29 01/6/19 ( 0)
RE: Oh-m'-god--I just bought a pair of MA-1/3.1s - Cousin Billy 13:33:11 12/31/18 ( 1)
- OK ... :-) ... (NT) - jeffreybehr 13:53:36 12/31/18 ( 0)
RE: Oh-m'-god--I just bought a pair of MA-1/3.1s - bk12 10:28:00 12/31/18 ( 0)
RE: Oh-m'-god--I just bought a pair of MA-1/3.1s - mcdonald43 10:29:58 12/30/18 ( 0)