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PostPosted: Thu May 18, 2017 7:59 am 
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Bottle Rocket

Joined: Mon Feb 06, 2017 11:44 am
Posts: 5
Simple question.... Does anyone have the power stage schematic for the Triaxis, and also hopefully an export power stage schematic?

The schematic that is freely available on the interweb doesn't have the power stage, just the audio, midi etc.

I want to change the toroidal transformer from 120AC US to a 240AC transformer for the UK.


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PostPosted: Sun May 21, 2017 4:20 pm 
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Mark I

Joined: Tue Sep 15, 2015 4:49 pm
Posts: 23
Location: Gold Coast, Australia
Hey man,
Haven't been able to find schematic but this could help you!!!

http://www.tubeampdoctor.com/en/shop_Ma ... ersion_868

Mains transf. for Mesa Boogie Triaxis 230V version
Exportversion, replaces the 120V domestic version (561011)
Primary
230V BROWN
0V BLACK

Secondary
HV RED
HV RED

9V YELLOW
0V YELLOW

6,3V GREEN
0V GREEN

15V VIOL.
0V WHITE
15V VIOL

For conversion of a 120V unit You must change MOV and both blue primary capacitors (47nF)

_________________
Mesa Dual Rectifier, TriAxis, Recto Recording,
2:90, 2:100, HGAS, Flux Five, Throttle Box EQ,
5 Band EQ, SUS-4 16u Case, Straight Cabs.
And other stuff!!


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PostPosted: Mon May 22, 2017 3:19 am 
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Bottle Rocket

Joined: Mon Feb 06, 2017 11:44 am
Posts: 5
Yeah, I've seen that. Which is the wiring on the export transformer....... But I need to know what wires are what on the currently installed transformer, as they likely use a different colour coding system than the export. Basically I need to know where the wires on the new export transformer go.


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PostPosted: Mon May 22, 2017 3:36 am 
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Mark I

Joined: Tue Sep 15, 2015 4:49 pm
Posts: 23
Location: Gold Coast, Australia
Have you pulled the top off and had a look, every Mesa amp etc that I've converted or worked on has what they are on the board. The 2:90 and the HGAS that I converted were simple as. Mine is already a 240v model so I aren't much help there.

_________________
Mesa Dual Rectifier, TriAxis, Recto Recording,
2:90, 2:100, HGAS, Flux Five, Throttle Box EQ,
5 Band EQ, SUS-4 16u Case, Straight Cabs.
And other stuff!!


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