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 Post subject: Old Speaker Code?
PostPosted: Feb Wed 20, 2019 3:03 pm 
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Joined: Oct Fri 12, 2018 8:26 pm
Posts: 11
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I've bought this small leslie speaker on ebay (I'm still waiting for it to arrive).
I would like to build a small class A tube amplifier to drive the speaker.
This is the code stamped on the back of the speaker's magnet.
Can anyone help me to figure it out?


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 Post subject: Re: Old Speaker Code?
PostPosted: Feb Wed 20, 2019 3:40 pm 
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Joined: Sep Tue 15, 2015 1:16 am
Posts: 532
Location: 18424 PA
328 is Utah.


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 Post subject: Re: Old Speaker Code?
PostPosted: Feb Wed 20, 2019 4:59 pm 
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Joined: Oct Fri 12, 2018 8:26 pm
Posts: 11
Thanks, can I get more details from this code like wattage and impedance?


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 Post subject: Re: Old Speaker Code?
PostPosted: Mar Fri 08, 2019 7:04 pm 
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Joined: Dec Tue 09, 2008 2:49 am
Posts: 319
Location: Farmington , Michigan
The 225 next to the manufacturer's code is the date code. 25th week of either 1952 or 1962. don't find any info on that model.


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 Post subject: Re: Old Speaker Code?
PostPosted: Mar Fri 08, 2019 7:39 pm 
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Joined: Sep Tue 30, 2014 6:08 am
Posts: 4211
Location: Norfolk, VA
Almost all the Leslies used in organs are here - PDF Manuals. I have a Jensen-Speakered Leslie unit out of a Conn organ.

http://www.organplus.com/technique%20-leslies.html

The impedances vary - My unit has a 16 Ohm speaker, but other units used other impedances, I'm sure.

Attachment:
LeslieSpkr.gif
LeslieSpkr.gif [ 25.22 KiB | Viewed 275 times ]

_________________
Brian
"Capacitor Cosmetologist since 1979"
USN Retired 1984-2006 (Avionics/Cal)


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 Post subject: Re: Old Speaker Code?
PostPosted: Mar Fri 08, 2019 9:55 pm 
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Joined: Oct Fri 12, 2018 8:26 pm
Posts: 11
Thanks Brian,
My speaker is an 8" / 8 ohm Utah.
This is a small version Leslie with one full range speaker with two motors (high and low speed
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