Amplifiers Rescue Gods

You will blow the amplifier useing it without a fan...he will heat and  limit the outputs transistors always and this will make them weeker and weeker untill will blow up...the MT1200 is not made to be used without a proper cooling fan,as the heatsinks in these series are a joke compared to other amplifiers and are fully dependent of the fan air flow to get cooled properly. watching at that amp now i only see a timer bomb  about the rubber capacitor washers,when i changed the caps i added plastic thicker washers just to be 200% sure that i will never have any problems,i made the washers from old binding posts support as there strong enaugh to tight them like hell and same screw size 

Edited by EmPro - 01 July 2022 at 3:38pm

shaun1264 wrote: As I've already mentioned I'll be putting a fan in.

One of my 6 saved HH M900 this one was the worse:

Edited by EmPro - 19 July 2022 at 8:17pm

djkeet wrote: EmPro wrote: i couldn't save the original inscription on the front panel as it was way to rusty....right ch was dead (outputs blown) left ch working,now is fully working :) Old School Cloud GS 3002 I like how the case turned out did powder coat it or what spray did you use?

Edited by EmPro - 20 July 2022 at 7:13am

Cheers

That is a common problem caused by leaky or dryed capacitors in driver board,always replace them with new ones and your problem will dissapear 100%,for bias and dc adjustments you should have trimmers (2 for each ch) with reference points for bias values  as far i remember from my old VX900.