diyAudio (
-   Solid State (
-   -   400W Mosfet Amp Problem (

TRoubLeD 29th August 2011 12:15 AM

400W Mosfet Amp Problem
Hi friends
I made Anthony E.Holton's 400W mos amp but p channel mos ıs overheating in 10 seconds
I can hear very few volume from output.I used a pair of mosfet for the test .Supply voltage is +-45VDC.
What is the problem ,sorry for my english

nigelwright7557 29th August 2011 12:49 AM

Have you set the bias correctly ?

TRoubLeD 29th August 2011 01:30 AM

When i set bias current ; i saw 60mA for n channel but p channel's current was 1A(with a pair mos)

All times are GMT. The time now is 12:42 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