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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Replacing one Toroidal with 3 x ordinary transformers ?
Hi,
I have a powered audio mixing desk that has a destroyed toroidal tranny. I can't get a replacement (trust me, I've tried hard). I've had quotes to rewind a new one and they're all over 100 UKP ($177 US) - I'm not willing to spend that on this desk. My question is, can I replace the three voltages that the toroidal supplied with 3 x ordinary transformers ? I could house them in a separate box with a suitable cable taking the power to the desk. The toroidal supplied:- 2 x 51.1V No Load (49.0V 0.10Amp) 2 x 44.5V No Load (42.6V 3.50Amp) 2 x 21.0V No Load (20.0V 0.50Amp) What are my chances of getting three trannies close enough to these figures ? Are they standard-ish voltages ? ....or am I just wasting my time and should throw the desk in the trash now ? Many thanks, Cheers, Kev. |
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wrote in message ... Hi, I have a powered audio mixing desk that has a destroyed toroidal tranny. I can't get a replacement (trust me, I've tried hard). I've had quotes to rewind a new one and they're all over 100 UKP ($177 US) - I'm not willing to spend that on this desk. My question is, can I replace the three voltages that the toroidal supplied with 3 x ordinary transformers ? I could house them in a separate box with a suitable cable taking the power to the desk. The toroidal supplied:- 2 x 51.1V No Load (49.0V 0.10Amp) 2 x 44.5V No Load (42.6V 3.50Amp) 2 x 21.0V No Load (20.0V 0.50Amp) What are my chances of getting three trannies close enough to these figures ? Are they standard-ish voltages ? ...or am I just wasting my time and should throw the desk in the trash now ? Many thanks, Cheers, Kev. Check around, a guy I know had some much larger toroids custom wound for a power amplifier and they were something like $84 each, or around 50 UKP. |
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