dynaco st35 clone problem

pascde · 28th December 2006, 08:46 AM

Hi
The power transformer of this little amp is dead. I have in stock a tranformer that have 295-0-295 volt with 120 ma. Did 120 ma is enought for this little amp.
Thanks
PAscal

Eli Duttman · 28th December 2006, 09:09 AM

Pascal,

The trafo you have is not suitable for service in a ST35. The spec's for the ST35 power trafo are here.

Triode Electronics carries an exact replacement for 59.95 USD.

pascde · 28th December 2006, 03:37 PM

Hi Eli

What do you think of Hammond transfo. In the DIYtube paper for this amp they recommand the 270HX.
Thanks
Pascal

Tom Bavis · 28th December 2006, 03:54 PM

Good choice - 650 VCT @ 200 mA, 6A heater.

28th December 2006, 08:46 AM	#1
pascde diyAudio Member Join Date: Mar 2006 Location: Montreal	dynaco st35 clone problem Hi The power transformer of this little amp is dead. I have in stock a tranformer that have 295-0-295 volt with 120 ma. Did 120 ma is enought for this little amp. Thanks PAscal

28th December 2006, 09:09 AM	#2
Eli Duttman diyAudio Member Join Date: Apr 2004 Location: Plainsboro, NJ	Pascal, The trafo you have is not suitable for service in a ST35. The spec's for the ST35 power trafo are here. Triode Electronics carries an exact replacement for 59.95 USD. __________________ Eli D.

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28th December 2006, 03:37 PM	#3
pascde diyAudio Member Join Date: Mar 2006 Location: Montreal	Hi Eli What do you think of Hammond transfo. In the DIYtube paper for this amp they recommand the 270HX. Thanks Pascal

28th December 2006, 03:54 PM	#4
Tom Bavis diyAudio Member Join Date: Jun 2002 Location: Macedon NY	Good choice - 650 VCT @ 200 mA, 6A heater.