humming 2x25volt 300 va trafo

[marn_x]

hello,

i have an trafo for sale, it is 2x25volt and 300va.
problem is it makes an humming noise, so i cant use it in my amplifier. maybe someone can use it for testing or so.

i bought the trafo a few weeks ago second hand, but when i tested it, i found out this noise.

i ask 10 euro's for this trafo.

greetings marnix

 

[joensd]

Hi Marnix,
is it a toroid and did you buy it new?
Which manufacturer or supplier?

thanks&greets

 

[marn_x]

trafo

hello,

yes it is a toroid, from the brand lp transformers.

i bought it second hand.

greetings

 

[klm1]

still for sale??? i might be interested in it.

 

[marn_x]

trafo

yes it stil is..

 

[kilowattski]

Marnix,

Are you sure that the humming was the fault of the transformer or was there DC on the primary?

 

[marn_x]

trafo

hello,,

the trafo makes noise out of itself, not trough an amplifier or so.
so i guess it is mechanical.

greetings