Comparing power supply of F-5 to F-1

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Russellc

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Joined 2003
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Looking at the F-1 power supply schematic and noticed it was extremely similar to F-5 with one exception:

The F-5 has a run off of the power supply ground, leading to the CL-60, which then goes to chassis ground.

The F-1 appears identical, except each cap bank has its own CL-60 going to ground, and they are not linked as in the F-5.

Can someone explain why this is, or would either amp work either way? I'm sure there is a simple reason I just am not aware of?

Russellc
 
Zen Mod

Zen Mod

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Joined 2003
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osmozis will tell ya that

in F5 your nose is between two eyes

in F1 there is no nose ...... and eyes are wandering around ......
 

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eyoung

eyoung

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Joined 2007
Oh I get it 1 Bipolar psu as opposed to 2 polar, on the lower channel if i use F1 psu board flip the polarity of the input from transformer flip my filter caps loose one thermistor tie lower + to upper -??? So i have B+ O B-

Dazed and confused , Elwood:confused:
 
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