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It seems theres limiters on preamps and powered monitors,if the signal is too high it trys to squeeze down the signal incomming,the result is the waveform is flattened top to bottom,highs and lows are clipped off and only the middle is left comming thru. Not a good sound at all. Cut the signal...

I run the Webber mass lite 50watt attenuator,yes you can drop a little volume but the higher your attenuator cuts down volume the thinner your tone. The tubes need to be good,there gonna get really hot. A little attenuation should be fine,a little power tube distortion is proper,dont pass into...

No dont bother with the patch cord,using the effects loop with pedals off may change a impedence or two and the circuit may sound a bit of change as sound goes. Gain changes per the tubes and drive taste. I just wonder which tube is the first preamp tube that effects the OD channel,i think v1...

I would put a sovtek 12ax7 balanced into the phase inverter,some amps hate certain PI tubes and it shows in distortion. Those tubes have smooth distortion but you may notice the watts down to 1 could be the culprit. preamp starved. Ive noticed Cotton has done everything else i think,dont...

Remember the more you go up in volume and attenuate the more the EQ is in the power tubes,except the webber mass lite 50 attenuator has a bass -mids and a mids-highs controls for the output section,thats why i chose to buy the webber,its in transit. will let u know how well it works ,it was well...

My rebel 30 also had nasty lows on the OD channel,the bias was way cold at 16vdc and 36vdc so crossover distortion is a bad thing,it destroyed my lows on that channel,its not doing that now at 45vdc on both sides. Funny my clean channel seemed way better than ch 2.

My rebel 30 also had nasty lows on the OD channel,the bias was way cold at 16vdc and 36vdc so crossover distortion is a bad thing,it destroyed my lows on that channel,its not doing that now at 45vdc on both sides. Funny my clean channel seemed way better than ch 2.

This problem reeks of a power tube sockett pin losing contact,CRC that sucker and dry completely ! Or the mix knob pot is loosing contact on one set of tubes. DIRTY POT - ROTATE AWHILE to clean up .

Once a tube is produced testing is the next step at the factory,parameters are set and above average and below average tubes are identified. GP tubes must meet or exceed certain criteria,it makes sence too me to not buy 10 average or below average tubes,but 5 very good tubes,i can hear the...

The tungsol 6v6 gets breakup earlier than others and holds up,certain amps will redplate these TS ,fender and a possible budda if they make a 6v6 amp,budda has a knack of high plate voltage. I cant remember which fender amp it was. I was kinda dissapointed in the 12ax7 mullard,it is low gain and...

power cords used for christmass tree lites have fuses,you use these for real?

Good luck,one 6l6 in class a is about 10-12watts and since 6l6 are not a real good tube for cranking for overdrive and lacks crunch like a el84 amp,i dont like your chances under 50watt amp. Now 6v6 tubes are similar in the highs,and the tube store reviews the sound of all these different tubes...

I thought the aggressive nature of the pre amp could be tamed for smoother breakup . The power tube overdrive notion had me choose the RI Mullard el84 pair and the tungsol 6v6gt duet. The creamy overdrive these particular tungsol 6v6gt on reviews was correct. The mullard el84 do not have the the...