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-   -   help needed to use my old transformers for F5 (http://www.diyaudio.com/forums/pass-labs/185323-help-transformers-f5.html)

anilva 18th March 2011 02:36 PM

help needed to use my old transformers for F5
 
I have dug out from my old collection two 200VA, 22V-0-22V transformers (not twin winding, but centre-tapped). I would like to use them for my F5 project. How do I use these? Have one each for each channel?

How do I use them for a Pass PS design, which requires 2 separate windings? I can connect a bridge rectifier to the outer 22V taps and use the centre tap for '0V', but does it give me full wave rectification?

I am quite rusty on my basics right now...

Cheers.

Zen Mod 18th March 2011 02:41 PM

Quote:

Originally Posted by anilva (http://www.diyaudio.com/forums/pass-labs/185323-help-transformers-f5-post2507884.html#post2507884)
I have dug out from my old collection two 200VA, 22V-0-22V transformers (not twin winding, but centre-tapped). I would like to use them for my F5 project. How do I use these? Have one each for each channel?

How do I use them for a Pass PS design, which requires 2 separate windings? I can connect a bridge rectifier to the outer 22V taps and use the centre tap for '0V', but does it give me full wave rectification?

I am quite rusty on my basics right now...

Cheers.

both questions - yes

be sure to have enough heatsinking

anilva 18th March 2011 02:51 PM

Quote:

Originally Posted by Zen Mod (http://www.diyaudio.com/forums/pass-labs/185323-help-transformers-f5-post2507888.html#post2507888)
both questions - yes

be sure to have enough heatsinking

Thanks ZM.

Andersonix 18th March 2011 10:55 PM

1 Attachment(s)
Here's a Pass DIY PS that uses CT transformer.

(But 22-0-22 gives about 31VDC rails before losses....)


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