Trade: Wakefield Turntables
Location: Yorkshire
Posts: 9,324
I'm Andrew.
Done a little measuring of the various resistors values. The left and right channels appear to be well matched but what's not so good is the 6.25-6.5% tolerance of said resistors, especially when you can buy much tighter tolerances of between 0.05 - 1.00% from HiFi collective. I've not bothered measuring the tolerance of the caps yet, that's another day. There appear to be 10 caps to replace, x2 Rubycon, x6 ELNA and x2 ThongX (??????)..... More tomorrow.
SS
CD Teac VRDS25X(Audiotuned) DECK 1210 Mat Crystal Audio Mods MN Base/Bearing/Platter+Ebony armboard Feet Isonoe PSU Paul Hynes SR7EHD-27XL/DCSXL Ag DC lead/3 Stage Regs/Recap PCB+No Pitch/Strobe/Light ARM SME V(Kondo Ag Rewire&Tags) MC Cadenza Black FGS CABLES Arm Yannis SPD-4 IC Yannis 222 Litz+Ag bullets Power WAR PRE ATC SCA2 SPEAKERS ATC 50ASL STANDS Atacama PHONO Sugden Masterclass PA4 SUT Ortofon ST80SE POWER PSAudio P10
VALVE
PRE Croft Epoch(Modded) AMP Sondex S100 (Modded) SPEAKERS Tannoy 15"MG+RFC Warwick cabs+ Ref XO + Batpure supertweeters DECK Garrard 301 Mat Teunto Bearings 401(Bastin) Plinth Bamboo Arms 3009/3012 PSU Eagle+Tachometer MC Ag Meister II/FGS + Ortofon SPU MONO CABLES Arm Yannis 420.5 Litz+ SpeakerPC Tripple C+WBT-0681 Ag IC Oyaide FTVS-510 AgWBT 0110Ag Phonostages Paradise(4 Box Mega-Modded) / Croft Musicmaker
Senior Member
Location: West Yorkshire
Posts: 714
I'm Andy.
Resurrecting an old thread but did you manage to make the head amp sing and if so what did you end up doing?
Main system:
Analogue.
Michell Orbe with arm decoupling kit & Pete's Pylons. SME V arm, Denon DL103M (FGS), Firebottle OPT MKII phono amp
Technic SP-10 in Obsidian plinth, AT1010 PMAC v8b arm, Goldring Elite MC Cart and BB3 Phono Amp
Leak Lenco GL75 with Ortofon OM10 cartridge
Technics RS-BX404 Cassette Deck
Network Player.
Raspberry PI plus R2-R DAC (also used as a CD player) plus Pi NAS Server
Digital.
Philips DCC 730 player
Marantz CD50SE
Amp.
Audiolab 8000A
Speakers.
Reiver Jenna floor standers
HeadPhones.
Sennheiser HD545 Ref, HD600, HD477
Trade: Wakefield Turntables
Location: Yorkshire
Posts: 9,324
I'm Andrew.
Andy, no I didn't get much further. If memory serves a Lentek headamp came up for sale which had been hot-rodded, the money went on buying that rather than modding the "Little-Bear" headamp. I think I ended up selling the Little bear headamp, but I may revisit for a bit of fun at some point in the future. I still think the best way forward would be a cheap Linear PSU from China available for £30-40 delivered, and then replacement resistors and caps to better tolerance.
SS
CD Teac VRDS25X(Audiotuned) DECK 1210 Mat Crystal Audio Mods MN Base/Bearing/Platter+Ebony armboard Feet Isonoe PSU Paul Hynes SR7EHD-27XL/DCSXL Ag DC lead/3 Stage Regs/Recap PCB+No Pitch/Strobe/Light ARM SME V(Kondo Ag Rewire&Tags) MC Cadenza Black FGS CABLES Arm Yannis SPD-4 IC Yannis 222 Litz+Ag bullets Power WAR PRE ATC SCA2 SPEAKERS ATC 50ASL STANDS Atacama PHONO Sugden Masterclass PA4 SUT Ortofon ST80SE POWER PSAudio P10
VALVE
PRE Croft Epoch(Modded) AMP Sondex S100 (Modded) SPEAKERS Tannoy 15"MG+RFC Warwick cabs+ Ref XO + Batpure supertweeters DECK Garrard 301 Mat Teunto Bearings 401(Bastin) Plinth Bamboo Arms 3009/3012 PSU Eagle+Tachometer MC Ag Meister II/FGS + Ortofon SPU MONO CABLES Arm Yannis 420.5 Litz+ SpeakerPC Tripple C+WBT-0681 Ag IC Oyaide FTVS-510 AgWBT 0110Ag Phonostages Paradise(4 Box Mega-Modded) / Croft Musicmaker
Fount Master & Moderator
Location: Essex
Posts: 31,992
I'm openingabottleofwine.
I still have one for sale if you are interested Andrew.Originally Posted by REXTON
https://theartofsound.net/forum/show...Bear+T8-1+sale
Barry
Senior Member
Location: West Yorkshire
Posts: 714
I'm Andy.
Thanks Andrew for the info.
Cheers Barry - don't need one really and wasn't going to buy one but picking up a very old CD player at the weekend and I know he was selling one also - was planning on asking if he would chuck it in the deal........
Main system:
Analogue.
Michell Orbe with arm decoupling kit & Pete's Pylons. SME V arm, Denon DL103M (FGS), Firebottle OPT MKII phono amp
Technic SP-10 in Obsidian plinth, AT1010 PMAC v8b arm, Goldring Elite MC Cart and BB3 Phono Amp
Leak Lenco GL75 with Ortofon OM10 cartridge
Technics RS-BX404 Cassette Deck
Network Player.
Raspberry PI plus R2-R DAC (also used as a CD player) plus Pi NAS Server
Digital.
Philips DCC 730 player
Marantz CD50SE
Amp.
Audiolab 8000A
Speakers.
Reiver Jenna floor standers
HeadPhones.
Sennheiser HD545 Ref, HD600, HD477
Posting Permissions
Reply With Quote