Hi all,
In order to save space, I consider stacking two C core transformers.
Originally, in an old stereo amp, they were laying alongside.
(I don't remember if they were pri/sec/pri/sec or pri/pri/sec/sec, or anyway..).
If I stack them, do I have to consider putting them primary next to primary or the more convinient - primary next to secondary?
(exactly as on the picture)
I could parallel the primaries opposite of phase, to cancel out EMI (I guess).
I will have to connect secondaries in series (as they were) and be carefull to put them in phase.
(the c-cores are 16-0-16/100VA each, secondaries in series is the way to go)
Stacking would save me some space and keep more distance to nearby circuits.
But, it is good to pick the best orientation in regards with the other circuits.
Which way do we have the strongest flux (or flux leakage..)?
I put some arrows on the stacked picture.
In general, the transformes would be stacked as on the picture (mechanically better). I can choose wether to orient them front/back or left right.
If highly necessary, I will stack them on top of each other
(if there is unambiguous answer at all..)
Regards
In order to save space, I consider stacking two C core transformers.
Originally, in an old stereo amp, they were laying alongside.
(I don't remember if they were pri/sec/pri/sec or pri/pri/sec/sec, or anyway..).
If I stack them, do I have to consider putting them primary next to primary or the more convinient - primary next to secondary?
(exactly as on the picture)
I could parallel the primaries opposite of phase, to cancel out EMI (I guess).
I will have to connect secondaries in series (as they were) and be carefull to put them in phase.
(the c-cores are 16-0-16/100VA each, secondaries in series is the way to go)
Stacking would save me some space and keep more distance to nearby circuits.
But, it is good to pick the best orientation in regards with the other circuits.
Which way do we have the strongest flux (or flux leakage..)?
I put some arrows on the stacked picture.
In general, the transformes would be stacked as on the picture (mechanically better). I can choose wether to orient them front/back or left right.
If highly necessary, I will stack them on top of each other
(if there is unambiguous answer at all..)


Regards
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Stack them any way you find fits.
The flux you need is in the core. That core flux does not affect the operation of any nearby power transformer.
Audio transformers should be kept well away.
The flux you need is in the core. That core flux does not affect the operation of any nearby power transformer.
Audio transformers should be kept well away.
If transformers are layed along (as on the second pic), there would be line in/out signal circuitry ~1.5 inches away from the bottom c-core.
Some control pots as well ( a bit farther away and up)
And there is an XLR line out plug a bit closer.
The balanced out is transformer-less.
Stacking would gain a transformer width away.
As far as I understood, the flux wouldn't impair normal trf. operation and the stray flux (there is some) would not amplify?
Merry Christmas
P.s. Seems these are good candidates for a pair of output transformers.
I will use them as they are for power transformers.
That would do no harm 😀
Some control pots as well ( a bit farther away and up)
And there is an XLR line out plug a bit closer.
The balanced out is transformer-less.
Stacking would gain a transformer width away.
As far as I understood, the flux wouldn't impair normal trf. operation and the stray flux (there is some) would not amplify?
Merry Christmas
P.s. Seems these are good candidates for a pair of output transformers.
I will use them as they are for power transformers.
That would do no harm 😀
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