Undervolting power supply to lower volume - 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 23rd September 2010, 11:16 AM   #1
mercc is offline mercc  Slovakia
diyAudio Member
 
Join Date: May 2009
Default Undervolting power supply to lower volume

Hi,
is it possible to undervolt 230v 30 watts amplifier through lamp dimming control to lower output volume? Will it harm the amplifier if it has 230 volts power supply and lower voltage will be supplied?
Thanks
  Reply With Quote
Old 23rd September 2010, 11:43 AM   #2
sandyK is offline sandyK  Australia
diyAudio Member
 
Join Date: Apr 2007
Location: Sydney
Quote:
Originally Posted by mercc View Post
Hi,
is it possible to undervolt 230v 30 watts amplifier through lamp dimming control to lower output volume? Will it harm the amplifier if it has 230 volts power supply and lower voltage will be supplied?
Thanks
IF the amplifier tolerates the lower supply rails, all you are likely to accomplish is severe clipping on louder music passages, with a high risk of destroying your tweeters. Don't even think about it.

SandyK
  Reply With Quote
Old 23rd September 2010, 01:50 PM   #3
Mooly is online now Mooly  United Kingdom
diyAudio Moderator
 
Mooly's Avatar
 
Join Date: Sep 2007
If you want to lower the volume use attenuators on the inputs... leave the amp alone.
__________________
-------------------------------------------------------
A simulation free zone. Design it, build it, test it.
  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
Adjustable power supply to replace volume control Leolabs Solid State 8 11th July 2007 04:43 PM
Help with FR and lower volume JLL Full Range 4 20th May 2006 02:13 PM
How can I lower B+ of power supply? JZatopa Tubes / Valves 20 29th December 2005 09:44 PM
Variable power supply to control gainclone volume? MWP Chip Amps 11 9th July 2004 08:53 PM
Lower Cost switching power supply solutions? jteef Solid State 3 17th October 2001 03:51 AM


New To Site? Need Help?

All times are GMT. The time now is 05:06 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