The 2-Minute Rule for mechanical mod

Also, I’m unsure about upgrading the speaker or not. I actually would want to Participate in an AC15 Together with the alnico blue in it to test to listen to the main difference.

I feel the confusion probably arose as I originally experienced both equally resistors at 220k, that is mirrored in the picture, nevertheless the Directions only call for a improve in R6.

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Another issue even though. When all resistors are obtainable (i.e. obvious), am i able to just Minimize them out Together with the facet cutters and substitute them without eradicating PCB in any way? I know, it’s not really,but I'd currently negative encounter with overheating PCB even though resoldering The weather.

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I’m now thinking about undertaking the V1 Plate Resistor mod as hearing just how much of a change taking the intense cap out has improved the caliber of the audio coming out of your amp I should seriously think about the other mods talked about on this page.

Hi Dave, great write-up. I just obtained an AC15CC2 and really like it. I did detect currently for The 1st time a wierd odor, not tube odor, like pieces acquiring quite very hot. I removed the rear panel and did some examining and found R72 and R73 incredibly sizzling.

Oops sorry, intended to convey Allen-Bradley. Of the two resistors circled while in the piccy, will be the R6 on the right hand facet? I presume the circuit board has it printed therefore.

V1 and V2 might be adjusted conveniently with out getting rid of the chassis, as you are able to arrive at about and entry them. The tube protectors on V1 and V2 are spring loaded, just press down marginally they usually’ll twist off.

I had been equipped to transform the prevailing Master Volume into a Reduce Regulate by eradicating one particular resistor then adding two elements to the present 500kA MV pot. The Slash control may be very helpful and much more valuable than the MV imho. Right here’s how you make the adjustments should you are interested:

I've completed all re-wireing to help keep all the things in rack size, relocated input jack on opposite facet, set up 8/sixteen Ohm switch on the front panel employing earlier Enter jack gap and ready to Slice the chassis that has a grinder. Photos are on me!

I fastened it by jogging a jumper wire. I such as seem of your amp, significantly better, thank you! Now, I’m pondering executing additional of the mods which time I’ll take it quick with the heat. Thanks yet again,

These are The 2 resistors off of the ability Transformer by the standby swap. Now I know they must be warm on the contact, but very hot ? not sure. Any opinions could be greatly appreciated. The amp functions fine but the appearance on the Unusual odor has me wanting to know.

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