Combining Transformers

[BatRastard]

I have identical 230V Transformers I would like to use on 120V.
The secondaries are at 46-0-46 @230VAC.
Can I wire the primaries and secondaries in series and use them is
a SS Bass amp?

Never seen it done but seems workable in theory.

Would be great if it did as I have a bunch of SWR Workingman's amps
that were damaged in shipping. I want to use two to give my stepson
a decent bi-amped bass rig cheap. (Planning a joint effort on a BFM
enclosure for it)

Thanks for any and all sagely advice,

Bat

[Steerpike]

You'd want to wire the primaries in PARALLEL, and the secondaries in series.
Putting the 230v primaries in series would give you a 'transformer' suitable for 460V.

Note that putting the secondaries in series doesn't change (won't increase) their maximum current delivery, so it's an inefficient way of doing things. But if they are suitably rated and you have them already, it's do-able.

[AndrewT]

as Steer said the current rating remains the same.
This effectively reduces the 230Vac VA rating to about half when used on 110/120Vac.

Buy an autotransformer to convert your 110/120Vac to 220/240Vac.

Do you have two phases at home?
They are 110/120Vac + 110/120Vac, but 180 phase reversal.
Across the two phases, you get 220/240Vac.

[BatRastard]

I have 240 at home but the amp needs to be gig-able. I just found 2
toroids at a surplus site so that should solve my immediate problem.

Still worth experimenting with as I'm curious if it would work.

Thanks for the info,

Bat

[Tony]

have identical 230V Transformers I would like to use on 120V.
The secondaries are at 46-0-46 @230VAC.

yes, wire primaries in parallel and secondaries in series, watch out the phasing on the secondaries when you series connect them, you want to retain the 46-0-46 volts on the secondary side of things...

[BatRastard]

Thanks for the info all. I think I'll try it just to see if it works. I have 11
brand new ones that will be otherwise useless so why not?

Bat