Home » Audio » General » HELP....What ohm are these Utah speakers?
HELP....What ohm are these Utah speakers? [message #26733] Wed, 07 January 2009 18:05 Go to next message
Warren is currently offline  Warren
Messages: 2
Registered: May 2009
Esquire
I am restoring an old Silvertone 2X12 amp model# 1346 made in 1953. There are no schematics available. The only thing I know for sure about it is it is a 70 watt amp which used 2 UTAH speakers # V12L-7 and stamped 328314. Does anyone have any idea what ohm they were?


Re: HELP....What ohm are these Utah speakers? [message #26734 is a reply to message #26733] Thu, 08 January 2009 15:27 Go to previous messageGo to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 18793
Registered: January 2001
Illuminati (33rd Degree)

Measure the voice coil resistance. Advertised impedance will be about 25% higher. If the voice coil measures 6Ω or so, it's an 8Ω speaker. If the voice coil is around 12Ω, it's a 16Ω driver.


Re: HELP....What ohm are these Utah speakers? [message #26735 is a reply to message #26734] Thu, 08 January 2009 17:07 Go to previous message
Warren is currently offline  Warren
Messages: 2
Registered: May 2009
Esquire
Thanks,....that would work if I had the speakers, but I don't. The information I had on the UTAH speakers came from a picture of this amplifiers back I found on the internet. I need to find replacement speakers for the restoration but have no idea what ohm speakers to replace them with.

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