Recommend a Transformer to make a bucking Transformer?

Muttlyboy

Gold Supporting Member
Messages
2,059
Hi Everybody ,
I want to put together a bucking transformer.
Can anyone recommend a good quality transformer to use?

Also, when mounted in the amp, do you guys use some kind of enclosure, or just dress in the wiring neatly?

Thanks
 

terickson

Gold Supporting Member
Messages
438
Hammond 166N12B 4 amp. Robinette has build info on his 5E3 page.
I have built a couple as stand-alone units since I have multiple amps. I use marine junction boxes for the enclosures, plenty sturdy.
 

Muttlyboy

Gold Supporting Member
Messages
2,059
Thanks for the info. I just ordered the xformer , now to find a decent enclosure
 

HotBluePlates

Member
Messages
10,289
Hammond 166N12B 4 amp. ... I use marine junction boxes for the enclosures, plenty sturdy.
... Ten bucks at Lowe’s, have to cut out for the receptacle...
$24 for the transformer, $10 for the enclosure, maybe another $6 for the receptacle, plus $10 for the switch, fuse & cord...

So the convenience of a switch & a digital display in place of plugging an amp's power cord in a "-6v" or "-12v" outlet is worth the extra $300 to the folks buying the commercial voltage-lowering solution? :D
 

Muttlyboy

Gold Supporting Member
Messages
2,059
Well, I put the bucking transformer together today with Hammond Transformer recommended above.

I just set it up using the center tap for minus 7 volts.
I'm getting from 115v to 117v.

I did a little experimenting today with my friend's Princeton Reverb.

Results were unexpected.
 




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