generg Napisano Jul 23, 2011 Share #1013 Napisano Jul 23, 2011 Hi tea-bag,It is incredible to hear your continuing story of pity with J2 ......You must hear this amp, it is lovely, especially in voices. Not totally exact, but the most charming boy I have heard.......I wrote already that BJ2 is a bit more dur and the other version is a bit more moll. It's only a matter of taste or mood.....And I prefer J2 clearly to F5.It seems to be a long time since Nelson gives free the circuit........ Link to comment Podeli na ovim sajtovima More sharing options...
CeeVee Napisano Avgust 1, 2011 Share #1014 Napisano Avgust 1, 2011 Hi guys,My BJ2 is finished, had to adjust a couple of resistors to get alignment but it has run for 3 days and been realigned, stability temp and alignments are fine, it's running at 2A bias, rail voltage 25,4 V Sound is ....................gorgeous, comparing to my F5 it seems to have more definition and "attack" , very well defined bass....voices have been praised by many....i agree, and it's very easy on the ears, no hints of tyring effects. here are some pictures as promised with a huge thank you to mighty ZM... :respect: :guitarplayer: Link to comment Podeli na ovim sajtovima More sharing options...
CeeVee Napisano Avgust 1, 2011 Share #1015 Napisano Avgust 1, 2011 ....innards.... Link to comment Podeli na ovim sajtovima More sharing options...
stein Napisano Avgust 1, 2011 Share #1016 Napisano Avgust 1, 2011 Link to comment Podeli na ovim sajtovima More sharing options...
Zen Mod Napisano Avgust 1, 2011 Autor Share #1017 Napisano Avgust 1, 2011 Fugly! Link to comment Podeli na ovim sajtovima More sharing options...
CeeVee Napisano Avgust 1, 2011 Share #1018 Napisano Avgust 1, 2011 I tried to make the case do justice to your fantastic work.....but i guess i was a little bit too eager to hear it ....... I was just listening to IZ singing " over the rainbow" ............oh boy , i'm overwhelmed ! Link to comment Podeli na ovim sajtovima More sharing options...
Zen Mod Napisano Avgust 1, 2011 Autor Share #1019 Napisano Avgust 1, 2011 priceless ! give us more porn , please ....... Link to comment Podeli na ovim sajtovima More sharing options...
Zen Mod Napisano Avgust 2, 2011 Autor Share #1020 Napisano Avgust 2, 2011 ........ I was just listening to IZ singing " over the rainbow" ............oh boy , i'm overwhelmed ! .... http://www.diyaudio.com/forums/pass-labs/135674-pass-pub-high-end-off-topic-thread-155.html#post2657857 Link to comment Podeli na ovim sajtovima More sharing options...
CeeVee Napisano Avgust 2, 2011 Share #1021 Napisano Avgust 2, 2011 Just so you know what i have to play with the BJ2, from left to right; The Orions 3.4 ( last version with original woofers ), obviously i don't have enough BJ2s to play them with but remain my reference system with an ATI amp ( 12x 60 W ).The little passive speakers i have at the moment to test with, Mordant short 89dB, not in the league of F5 and BJ2 but boy do they sound good !My developing Shiga Clone...plays great but not up to the Shanling on it's right yet, behind that is a Bufallo DAC.Shanling with new discreet IVs, developed with the help of your's trully....ZM, my reference CD player.BJ2 ofcourse and the Orions' Analog processor....... Link to comment Podeli na ovim sajtovima More sharing options...
CeeVee Napisano Avgust 2, 2011 Share #1022 Napisano Avgust 2, 2011 More BJ2 Porn.... Link to comment Podeli na ovim sajtovima More sharing options...
CeeVee Napisano Avgust 2, 2011 Share #1023 Napisano Avgust 2, 2011 more Link to comment Podeli na ovim sajtovima More sharing options...
CeeVee Napisano Avgust 2, 2011 Share #1024 Napisano Avgust 2, 2011 innards back... Link to comment Podeli na ovim sajtovima More sharing options...
Zen Mod Napisano Avgust 2, 2011 Autor Share #1025 Napisano Avgust 2, 2011 these pcbs are more sexy than mine maybe just second pair of black ones , sent to AR2 , is more wakoo looking ( btw you have 2 posts without pics) Link to comment Podeli na ovim sajtovima More sharing options...
CeeVee Napisano Avgust 2, 2011 Share #1026 Napisano Avgust 2, 2011 ( btw you have 2 posts without pics) ...no all have pics. Link to comment Podeli na ovim sajtovima More sharing options...
Zen Mod Napisano Avgust 2, 2011 Autor Share #1027 Napisano Avgust 2, 2011 OK - now I see pics ; is it possible to see entire amp from top , with few words about PSU ? now I see just one possible area of improvement - making it dual mono ; Link to comment Podeli na ovim sajtovima More sharing options...
CeeVee Napisano Avgust 2, 2011 Share #1028 Napisano Avgust 2, 2011 Here you go... Link to comment Podeli na ovim sajtovima More sharing options...
Zen Mod Napisano Avgust 2, 2011 Autor Share #1029 Napisano Avgust 2, 2011 plenty of space , for additional Donut , caps pcb and diodes then you'll have even more holographic atmosphere , also more authoritative lower register btw - caps are ? Link to comment Podeli na ovim sajtovima More sharing options...
CeeVee Napisano Avgust 2, 2011 Share #1030 Napisano Avgust 2, 2011 The PSU is pass standard 4x15u TSHA each channel with CL60 from ground to chassis and another one in series with primary. dead quiet.Transformer is Toroidy 400VA , 2 18V secondaries. You think going double mono is better ?....2 300VA transformers ? would really appreciate your input on this, wouldn't mind going for a all tricked out PSU for it, if it gets any better i'm making a pedestal for it ..... Link to comment Podeli na ovim sajtovima More sharing options...
Zen Mod Napisano Avgust 2, 2011 Autor Share #1031 Napisano Avgust 2, 2011 just double existing one ; so one dedicated PSU per channel try to find place for motor-run bypass caps ( as finals in PSU) my preferred are ICAR 50-70uF ones ; considering that you'll have trouble with space - use 30uF ones Link to comment Podeli na ovim sajtovima More sharing options...
CeeVee Napisano Avgust 2, 2011 Share #1032 Napisano Avgust 2, 2011 just double existing one ; so one dedicated PSU per channel try to find place for motor-run bypass caps ( as finals in PSU) my preferred are ICAR 50-70uF ones ; considering that you'll have trouble with space - use 30uF ones Great, i'll look for the motor run caps locally, ICAR is difficult to get i think....but i'll look around...thanks again ZM .I'll make another bottom plate and optimize layout for double mono, you bet I'll fit the motor run caps.....:-) Link to comment Podeli na ovim sajtovima More sharing options...
CeeVee Napisano Septembar 6, 2011 Share #1033 Napisano Septembar 6, 2011 Master ZM, Here is the Beast......Two toroydi 400VA, double MUR 3060 BRIDGES, 120UF TSFHAs per rail/channel bypassed by 40uF DUCATI caps ....aiaiaiaiaiaiaiaiai ........ some building pics: Link to comment Podeli na ovim sajtovima More sharing options...
CeeVee Napisano Septembar 6, 2011 Share #1034 Napisano Septembar 6, 2011 the double bridges...and a DUCATI....hope this one performs better then Vale's........ Link to comment Podeli na ovim sajtovima More sharing options...
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