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Post new topic Fender Super Twin????
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Author Topic:  Fender Super Twin????
Larry Behm


From:
Mt Angel, Or 97362
Post  Posted 16 Jan 2010 8:22 am    
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Any stories good or bad about this amp. I found one in Portland for $600, but it weights 95, wow.

Larry Behm
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Erv Niehaus


From:
Litchfield, MN, USA
Post  Posted 16 Jan 2010 8:53 am    
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Larry,
Is that the one with the 4 speakers in it?
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Justin Griffith


From:
Taylor, Texas, USA
Post  Posted 16 Jan 2010 8:55 am    
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I always thought they were "2" twins in one package.
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Brian McGaughey


From:
Orcas Island, WA USA
Post  Posted 16 Jan 2010 9:13 am    
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Larry, there's one in Tacoma on craigslist that looks real clean for $695.

http://seattle.craigslist.org/see/msg/1550075930.html

I don't know a whole bunch about these other than they have 6 output tubes, 2-12s and are heavy as hell. 200 watts I think.
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Danny Hall


From:
Nevada, USA
Post  Posted 16 Jan 2010 9:26 am    
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I'm shooting from the hip here. I can look up the scheme and probably make a more educated assessment.

Fender <edit> added two 6L6GCs and advertised 125 watts. It was also built during CBS' ownership of the company and the build standards are somewhat less than ideal. I've not had one on the bench but perhaps one of the other techs on the forum has.

It never really caught on but it would make a great base for a custom re-build; either blueprinted or modified into a Dumble type or in the Marshall direction. It might make a great steel amp because no club owner or studio would ever let you run it into the "zone". It's just too loud. Turned down I imagine it would sound a little thin.

On old Twin trick is to yank the two outside 6L6 power tubes and double the speaker impedence. On the super you'ld yank 4 tubes, leaving the two inside tubes in there. A tech would measure the turns ratio on the output transformer to determine what sort of speaker arrangment you'ld then need. There are a variety of ways to do that depending on what speakers are in there now. It's likely you'ld have to invest in some new speakers, or add a remote cabinet. Think about lugging that to a gig where you can't use all that power anyway. It's still going to weigh 95 pounds.

I've seen the rare old Showman around for that money. With a Boss RV-3 it's a much better steel amp.

My opinion only. YMMV

Danny
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Ken Metcalf


From:
San Antonio Texas USA
Post  Posted 16 Jan 2010 10:35 am    
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I had one and split it into two cabinets but never really liked the sound of it.
May have need an overhaul or just me
Heavy Amp !!
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James Morehead


From:
Prague, Oklahoma, USA - R.I.P.
Post  Posted 16 Jan 2010 11:54 am    
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If you ever wanted to punish loud guitar players--here's your chance. Evil Twisted
180 watts rms, handwired, and unlimited eq. Split into a head cab, and you've got the ultimate. Or leave it in it's original cabinet and buy a trailer hitch and a gorrila.

http://www.ampwares.com/amp.asp?id=104
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Bob Carlucci

 

From:
Candor, New York, USA
Post  Posted 16 Jan 2010 2:22 pm    
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I used one for years and years.. probably 10 or more. I had installed 2 D 120 JBL speakers in it.. Very good steel amp, but not as sweet toned as a Silverface original Twin..
I would pass personally, Too heavy... bob
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Clete Ritta


From:
San Antonio, Texas
Post  Posted 16 Jan 2010 11:23 pm    
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I remember a friend years ago who had one. I was impressed with the power and features then in 1979, and Im sure they would actually make a great steel amp perhaps paired with a 15 external cab? I thought the sliding band eq was a good feature! Im using a Boss 7 band pedal occasionally now, and this would be obsolete if it was programmable in the amp. (Hint: good features for an amp designed specifically for PSG). Id like to see a Super Twin with one, or two stereo, 15" speakers!
Clete
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James Morehead


From:
Prague, Oklahoma, USA - R.I.P.
Post  Posted 17 Jan 2010 5:28 am    
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The Super Twin and the Super Twin Reverb never had a sliding band eq. They are parabolic eq, which is the turn knob, and much more reliable.

I'm like you Clete, would love this amp in a head cab with a pair of 15's. I'd think you could negotiate that amp for a $500 deal. I'd go get it, Larry, if it powered up and played alright.
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David Mason


From:
Cambridge, MD, USA
Post  Posted 17 Jan 2010 7:51 am    
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I had one in the '80's - killer clean amp. If I had the money and I wanted an amp, I'd get it. If you're currently using two Twin Reverbs, this is probably better.

(I already have an amp, and I don't have any money - makes life easier.)
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Clete Ritta


From:
San Antonio, Texas
Post  Posted 17 Jan 2010 7:53 am    
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James thanks for the correction and refreshing my memory about the EQ. It wasnt sliding type faders but rotary knobs, like most all Fender amps. All I remember was that it had multiple bands of eq to control, not just treble mid and bass, and that it was really loud and clean.
Clete
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Marvin Born

 

From:
Ohio, USA
Post  Posted 17 Jan 2010 8:39 am    
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I have a Super Twin Reverb with the round speaker magnets. The first year, the magnets were square.

I totally over hauled mine, replaced signal caps, (not in the EQ), all bypass caps and power supply. supped up the power supply and replaced all plate resistors.

I re-did the grill cloth and tolex. It is a super nice amp now. Its rated 192 watts RMS and mine will do over 200. This is the second one that I have rebuilt.

Its loud and really heavy. What no one has mentioned, is that the reverb, Parametric EQ and Boost circuits are all switchable. The amps runs in the normal twin 80 watt mode until you hit the boost switch and then you have 200 watts. A really good combo is set your normal channel EQ for one sound and switch on the Para EQ for a totally different tone.

This amp will scare banjos, especially if you hit boost and EQ at the same time.

There is a distortion channel that is useless.

I run it with the master volume all the way up and control stage volume with the input gain. It is very clean. and you can't be in the room with it and over drive it. It makes a good combo Telecaster / steel amp due to the switchable EQ. You can set it up for each and quickly switch between them. The pre-amp is hot, so a steel pikckup can over drive it.


Marvin



PS The lead guitar player will not like you.
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Danny Hall


From:
Nevada, USA
Post  Posted 17 Jan 2010 9:42 am    
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Thanks Marvin from me. Like I said I've never had one on the bench. So they've already set it up to run in two tube mode. Sounds killer. Definitely have another amp on hand for smaller clubs though I think. Even 80 watts is too much for a bandstand in the corner gig.
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James Morehead


From:
Prague, Oklahoma, USA - R.I.P.
Post  Posted 17 Jan 2010 1:18 pm    
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Super twins and super twin reverbs are advertised/rated @ 180 watts rms, at least the 4 I've owned and all the data I have ever been able to find and read. I've never seen a Super Twin rated 192 watts. Perhaps we are not talking about the same amp, Marvin?
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John Polstra


From:
Lopez Island, WA, USA
Post  Posted 17 Jan 2010 1:48 pm    
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Marvin Born wrote:
The amps runs in the normal twin 80 watt mode until you hit the boost switch and then you have 200 watts.


Marvin, is that a mod that you added? There's no switch like that in the schematic from Fender, and I don't see it in the photos of the amp I can find, either.

John
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James Morehead


From:
Prague, Oklahoma, USA - R.I.P.
Post  Posted 17 Jan 2010 2:19 pm    
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oops, I see the question was directed to Marvin. Sorry.
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Danny Hall


From:
Nevada, USA
Post  Posted 17 Jan 2010 3:15 pm    
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If the channel you use for steel distorts too soon; ie overdriven first stage, just try a 12AT7 in the first hole. There's a 57?? military type that I would have to look up that is half between an AX and a AT in gain too.
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Roger Guyett


From:
San Francisco, Ca.
Post  Posted 17 Jan 2010 3:35 pm    
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Danny Hall wrote:
If the channel you use for steel distorts too soon; ie overdriven first stage, just try a 12AT7 in the first hole. There's a 57?? military type that I would have to look up that is half between an AX and a AT in gain too.


5751 ?
From an online quote:
"The 5751 preamp tubes have a lower gain (30% less amplification) than the 7025 12AX7, but are otherwise totally compatible."
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Danny Hall


From:
Nevada, USA
Post  Posted 17 Jan 2010 3:41 pm    
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Roger Guyett wrote:
Danny Hall wrote:
If the channel you use for steel distorts too soon; ie overdriven first stage, just try a 12AT7 in the first hole. There's a 57?? military type that I would have to look up that is half between an AX and a AT in gain too.


5751 ?
From an online quote:
"The 5751 preamp tubes have a lower gain (30% less amplification) than the 7025 12AX7, but are otherwise totally compatible."
That's it. The book says they are the same as the 12AT7 in terms of gain, but experienced hands can definitely hear a difference in the way that gain is structured. They sound better in the first stage and in the PI than any 12AT7.

YMMV Very Happy
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James Morehead


From:
Prague, Oklahoma, USA - R.I.P.
Post  Posted 17 Jan 2010 4:15 pm    
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Here's some interesting reading about 5751 tubes.

http://steelguitarforum.com/Forum11/HTML/005378.html
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Mike Cass

 

Post  Posted 20 Jan 2010 9:59 pm    
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When I worked for Waylon he used 2 of them placed a few feet apart and 6 feet behind him. He had two TC chorus units set at different sweeps and depths, each running separately to its own amp. Try getting in tune with that. But his sound was awesome!
I also played thru one in South Dakota one night many years ago while sitting in on someones Red Baron.... It werent too bad at all, but Id hate to have to lug it around Surprised

MC

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