A question regarding schematics

eitanwaks · 31st August 2005, 01:25 PM

I've come across a Glass Audio schematic. In the article and this dramatic it doesn't specify whether they're using 220 V power grid or a 110 V grid. Does anyone know whether Glass Audio uses one or the other? Is there any way I can tell from the schematic? I'm quite new at this.

I'm asking because I would like to buy the Transformers however, my purchase should differ with regards to the power grid specified on the schematic.

If someone wishes to see this dramatic, please say so.

Thank you for your replies,
Eitan Waks

jan.didden · 31st August 2005, 01:55 PM

I would bet a lot that it is assumed to run on 110V mains as this is a US journal published in the US.

In this case you would need to get a 220V transformer (you'r in a 220V country right) with the same secondary windings as specified in the article. Should be no great deal what with all the on-line power at your fingertips!

Jan Didden

PRR · 31st August 2005, 05:36 PM

Get a transformer with secondary voltage(s) that match the schematic and primary voltage that suits your wall outlet.

The primary voltage is independent of the rest of the schematic.

If they specify a line fuse, you "should" adapt it to your local power. However line fuse size is not an exact art.

eitanwaks · 3rd September 2005, 09:33 AM

Thank you for your replies, it really cleared things up. Now the only problem is finding where I can buy the transformers that I need.

Is it possible to self wound a transformer? Do people build their own transformers if they are nonstandard?

Once again, thank you for all your help,
Eitan Waks

31st August 2005, 01:25 PM	#1
eitanwaks diyAudio Member Join Date: Jan 2005 Location: haifa	A question regarding schematics I've come across a Glass Audio schematic. In the article and this dramatic it doesn't specify whether they're using 220 V power grid or a 110 V grid. Does anyone know whether Glass Audio uses one or the other? Is there any way I can tell from the schematic? I'm quite new at this. I'm asking because I would like to buy the Transformers however, my purchase should differ with regards to the power grid specified on the schematic. If someone wishes to see this dramatic, please say so. Thank you for your replies, Eitan Waks

31st August 2005, 01:55 PM	#2
jan.didden diyAudio Member Join Date: May 2002 Location: Great City of Turnhout, Belgium Blog Entries: 6	I would bet a lot that it is assumed to run on 110V mains as this is a US journal published in the US. In this case you would need to get a 220V transformer (you'r in a 220V country right) with the same secondary windings as specified in the article. Should be no great deal what with all the on-line power at your fingertips! Jan Didden __________________ It is a capital mistake to theorise before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts - Sherlock Holmes Check out Linear Audio Vol 5!

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31st August 2005, 05:36 PM	#3
PRR diyAudio Member Join Date: Jun 2003 Location: USA	Get a transformer with secondary voltage(s) that match the schematic and primary voltage that suits your wall outlet. The primary voltage is independent of the rest of the schematic. If they specify a line fuse, you "should" adapt it to your local power. However line fuse size is not an exact art.

3rd September 2005, 09:33 AM	#4
eitanwaks diyAudio Member Join Date: Jan 2005 Location: haifa	Thank you for your replies, it really cleared things up. Now the only problem is finding where I can buy the transformers that I need. Is it possible to self wound a transformer? Do people build their own transformers if they are nonstandard? Once again, thank you for all your help, Eitan Waks