What is the power rating of the Peavey 300SC output BJT??? - 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 8th January 2007, 12:54 AM   #1
Leolabs is offline Leolabs  Malaysia
diyAudio Member
 
Leolabs's Avatar
 
Join Date: Dec 2004
Location: Bukit Mertajam
Send a message via MSN to Leolabs
Question What is the power rating of the Peavey 300SC output BJT???

Part numbers are 700x4140(x=7 or 8 for both polarities) which I think is 140V 4A.But dont know about the power rating for these TO-3s.
  Reply With Quote
Old 8th January 2007, 02:24 AM   #2
d3imlay is offline d3imlay  United States
diyAudio Member
 
Join Date: Sep 2004
Location: Ohio
The CS 400 & 800 used Mj15024 &15025. I recently tried contacting Peavey for some info. They'll be happy to take your phone order during their 9-5 bankers hours. Forget anything else.
  Reply With Quote
Old 8th January 2007, 06:06 AM   #3
diyAudio Member
 
unclejed613's Avatar
 
Join Date: Dec 2006
back when i had a pile of them, i used MJ15022 and 23 transistors for "general replacement" output devices on guitar and PA amps. the 15024 and 25 have better max ratings than the 22's and 23's, so if i had my 'druthers, i would use them, but don't use one to just replace one transistor of the output set, replace the whole set. you will need to readjust the bias, but otherwise, they should work fine, maybe even better than the originals.
__________________
Vintage Audio and Pro-Audio repair ampz(removethis)@sohonet.net
spammer trap: spammers must die
  Reply With Quote
Old 8th January 2007, 06:46 AM   #4
Netlist is offline Netlist  Belgium
diyAudio Moderator Emeritus
 
Netlist's Avatar
 
Join Date: Jan 2003
7 is PNP, 8 is NPN.
Here's the whole cross reference. Don't substitute without this list.
http://manuals.schematheek.com/sheet...%20replace.pdf

/Hugo
  Reply With Quote
Old 8th January 2007, 02:05 PM   #5
d3imlay is offline d3imlay  United States
diyAudio Member
 
Join Date: Sep 2004
Location: Ohio
Quote:
Originally posted by Netlist
7 is PNP, 8 is NPN.
Here's the whole cross reference. Don't substitute without this list.
http://manuals.schematheek.com/sheet...%20replace.pdf

/Hugo
Netlist, what a cool xref.

Many thanks
  Reply With Quote
Old 8th January 2007, 02:14 PM   #6
diyAudio Moderator
 
pinkmouse's Avatar
 
Join Date: Apr 2002
Location: Chatham, England
Those Peavey's are nice robust amps. Well worth fixing.
__________________
Rick: Oh Cliff / Sometimes it must be difficult not to feel as if / You really are a cliff / when fascists keep trying to push you over it! / Are they the lemmings / Or are you, Cliff? / Or are you Cliff?
  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
Rockford Fosgate Power 20001 bd amplifier power rating?? pachoorion Car Audio 8 8th May 2011 10:49 PM
Peavey pv2000 power amp e_c_mccollum Solid State 6 18th January 2010 03:18 AM
A Question Regarding Peavey's CS 800 Power Transformer OMNIFEX Solid State 8 11th May 2009 06:13 PM
PLH output capacitor rating gbullimore Pass Labs 1 4th October 2007 09:42 PM
Peavey PA cabs - change ohm rating? Skyline_UK Multi-Way 0 18th June 2005 02:36 PM


New To Site? Need Help?

All times are GMT. The time now is 04:14 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