AA1800 bias resistors - 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 15th December 2004, 11:28 PM   #1
diyAudio Member
 
Join Date: Dec 2004
Location: Mt Pleasant Sc
Default AA1800 bias resistors

Does anyone know which bias resistors go bad in the Heath AA1800 amp? This makes the channel output level vary. It looks like the two 3.3k 2w resistors. Are there any others that go bad?
Thanks Ed
  Reply With Quote
Old 16th December 2004, 08:56 AM   #2
diyAudio Member
 
destroyer X's Avatar
 
Join Date: Feb 2004
Location: Recife - Brasil Northeast
Default If you have the schematic, will be easier to help you

Try to put, at least a partial schematic, in special the bias portion.

regards,

Carlos
  Reply With Quote
Old 20th January 2005, 04:21 PM   #3
rrcrain is offline rrcrain  United States
diyAudio Member
 
Join Date: Jan 2005
Location: Illinois
Any of the carbon resistors can go bad, but none have to date in the two amps I own. Perhaps I'm just luck so far. I do need to start searching for replacement electrolytics in the amsp in any event. Those puppies have a limited lifetime at best and it's best to replace them before they fail.
  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
Bias Protection Resistors in DC Coupled Amp dsavitsk Tubes / Valves 6 23rd August 2009 02:53 AM
Bias Supply resistors AmpBuilder225 Tubes / Valves 14 19th April 2009 01:34 AM
400A, emitter resistors and bias: I would learn Mywing Pass Labs 6 5th June 2008 05:19 PM
Push-Pull Cathode Bias Resistors Kashmire Tubes / Valves 5 6th January 2008 08:38 PM
quick bias tolerance question...across source resistors Mattyo5 Solid State 6 12th October 2003 12:09 PM


New To Site? Need Help?

All times are GMT. The time now is 07:38 AM.


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