"N_Cook" wrote in message
...
If the 900 ohm one was shot then it implies some shorted turns that is
unlikely to change with heat and/or vibration



Hello:

the amp is a grundig como e/st, you can see a picture and the schematic at
http://meuble.radio.free.fr/stereo_c...dig/index.html

i haven't removed the transformers because they are soldered to the chassis!
(the metal bracket is soldered to the chassis *and* the pcb)