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to add a little to Jerry's triple showman post, the dual has a different
output transformer, built to work with 4 ohms speakerload, while the
'single' showman is built to work with 8 ohm speakerload.
the amp doesn't actually see the amount of speakers, it just sees
resistance. Since Fender used all 8 ohm speakers, 4 ohms resembles two 8 ohm
speakers in parallel, 8 ohms is just the one speaker, also, having more
speakerresistance then indicated is not a problem; you might loose a little
sound quality, but it's not bad for the amp.
In short, you can use this amp with a one-4-ohm speakercab, with a
two-8-ohm=4 ohm-speakercab, or if nothing else is available, with an 8ohm
cab.
you can compare 'prices paid' on harmony-central. Be sure to just compare
the blackface dual showmans, the silverface are worth (considrably) less. be
prepared to spend dollars on tubes. Also, be prepared to have it serviced
and possibly it needs some new parts in the near future.
having said that.... i looked up the amp on e-bay, and if the add is
correct, that is one killer amp.
>From: "Jerry" <>
>Reply-To:
>To: <>
>Subject: RE: [SurfGuitar101] what's with "Dual"
>Date: Tue, 29 Jul 2003 13:37:10 +0200
>
>Sorry got it wrong...showman 85 watt output, 4x 6L6 power tubes...Dual
>was added in '64 to the amp. And Dual stand for twin 2x 12 inch of 13"
>while showman came with only one speaker 12" or 13" (15" was also
>possible)
>
>Jerry S.
>
>-----Original Message-----
>From: Jerry [mailto:]
>Sent: dinsdag 29 juli 2003 13:30
>To:
>Subject: RE: [SurfGuitar101] what's with "Dual"
>
>
>Hi Dual has to do with the wattage, if I'm correct?
>Duall Showman 100 Watt and 4 pwer tubes and Showman 50 Watt 2 power
>tubes???
>
>Correct me if I'm wrong.... But Blackface Dual Showman is still
>considered to be the "King" of surf amps.... Be preparedto do some work
>on the amp...new cabs probably and perhaps new tubes. If the the amp is
>still in origanal condition it's a good thing, many were modified over
>the years to become more screaming beasts....instead of getting a
>Marshall.
>
>So lots of power...But coupled up with a JBL equiped Dual Showman
>cab.....Aaaahhhhhh...surf heaven.....ad the reverb unit and bucle up for
>a journey to the stars...
>
>Jerry S. from Belgium "who can only dream of such equipment"
>
>-----Original Message-----
>From: Bill Bergstrom [mailto:]
>Sent: dinsdag 29 juli 2003 12:21
>To:
>Subject: [SurfGuitar101] what's with "Dual"
>
>
>Okay, I know this topic has been breached on here before, but plain
>and simple, I'm too lazy and my dial-up is too slow for me to go back
>and search, but I was wondering what the key differences were between
>Showman amps and Dual Showman amps?
>
>The reason I ask is that there is a '67 Dual Showman listed on Ebay
>right now, and the guy is offering local (SF Bay Area) sale which
>could cancel the auction. It looks to be at a very competitive
>price, so my interest is definitely peaked.
>
>What is a good deal on a piece of equipment like this? Keep in mind,
>it's just the head, no cab, and it does not have the Vibrato
>footswitch (although the vibrato is supposed to be in good working
>order).
>
>Thanks,
>~Bill~
>
>
>
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