an STK 30XX solution - diyAudio
Go Back   Home > Forums > Amplifiers > Solid State

Solid State Talk all about solid state amplification.

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 2nd May 2013, 11:39 AM   #1
diyAudio Member
 
east electronics's Avatar
 
Join Date: Jan 2006
Location: Athens GREECE
Default an STK 30XX solution

well i am the first one that doesn't like STK amplifiers or IC's ...they don't have trimmers to adjust anything , you don't know what is going on inside , and as we speak PMC provides STK 3152 or similar to my door under 5 euro.

Probably this must be a low quality product like most of PMC parts but i say probably ...you don't know what is going on inside .

Still i had a Luxman burned beyond any possible repair most of the dead parts are unobtainable like :
dual pack fet 2SK332
C2291 also dual pack transistors
A995 dual pack transistor
J 109 dual fet
and mosfet drivers

all these is one simple amplifier ... God what they had in mind these people .

--quickly replaced the drivers with bipolar while rest of the hardware outputs ,Vbe Multiplier ,and VI limiter was in perfect condition .

---Created a small pcb with one STK takes a few capacitors and few resistors and about 10 minutes to make .

--Hardwired supply ,in and out, two leads directly on each driver set , one lead per output

--re adjust the bias ,measure 10mv of offset in the output and done less than 1 hour ...

I think i have to create a pcb to give away to repair people in cases a quick solution like that is needed

even though gain was far to high and i had to replace parts on the STK to bring it down all the rest work like a charm ...

At this amp first stages work with 60 +60 volts and to my surprise the stk was quite cold after one hour of operation

Weird ?
__________________
SERVICE ΕΝΙΣΧΥΤΩΝ ΚΑΙ ΙΑΠΩΝΙΚΩΝ ΜΗΧΑΝΗΜΑΤΩΝ ΗΧΟΥ www.eastelectronics.gr
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
selling Two STK 0040II and STK 3042 STEREO SET Bigun Swap Meet 0 21st January 2013 11:54 PM
stk ics shon35us Chip Amps 1 20th January 2011 07:18 PM
STK Amplifier vacuumhead Solid State 0 15th November 2007 07:53 AM
What is STK ? brokenbinil Solid State 9 15th May 2004 08:57 AM
Stk ! Dj BASS AMP Solid State 1 26th July 2003 02:54 AM


New To Site? Need Help?

All times are GMT. The time now is 03:00 PM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2