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Yaoin MS-22B Phono preamp 115/230 switch

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Posted on June 12, 2015 at 15:15:40
Stuben
Audiophile

Posts: 669
Location: Guber Ohio
Joined: December 30, 2005
Guys,

Messing with the 115/230 switch on a Yaoin MS-22B phono preamp. Can someone, who owns one, measure the DC resistance between the N and L of the AC receptacle (power disconnected;>) ???

Thanks

Stuben

 

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RE: Yaoin MS-22B Phono preamp 115/230 switch, posted on June 12, 2015 at 15:21:03
Stuben
Audiophile

Posts: 669
Location: Guber Ohio
Joined: December 30, 2005
Sorry Guys, in the states ....115 VAC

Stuben

 

RE: Yaoin MS-22B Phono preamp 115/230 switch, posted on June 12, 2015 at 16:14:52
Caucasian Blackplate
Industry Professional

Posts: 8313
Location: Seattle
Joined: June 18, 2004
What are you attempting to do?

 

RE: Yaoin MS-22B Phono preamp 115/230 switch, posted on June 12, 2015 at 17:18:37
Stuben
Audiophile

Posts: 669
Location: Guber Ohio
Joined: December 30, 2005
Got my hands on a fixer upper. In the 115 position, the primaries are open, in the 230 position, I get 67 ohms which should mean (2) 33.5 ohm primaries. I removed the 115/230 switch and wired the primaries in parallel, I get around 17 ohms. Before I fire off fuses, I thought I would query the troops. I did contact the MFG...waiting to see if I get a response...

Thanks

Stuben

 

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