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Post subject: Super Six from Pawn Shop - Long first post
Posted: Sun Dec 01, 2019 8:13 pm
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I started playing guitar about 1976 and the fall of 1980 I received a gift from my parents, who thought this guitar thing might stick around, they bought me my first real guitar and amp, a 1979 Silver Anniversary Stratocaster and a 1979 135 watt Twin Reverb Amplifier with pull out Master Volume. Yes, my parents love me a lot.

Over the years, I acquired four Fane speakers from a rocker friend that pulled them from his Music Man amp to replace with Celestions. What a difference these speakers made to the Twin Reverb. The other two are in a closed-back cabinet.

After 39 years, I still have the Silver Anniversary and 1979 Twin Reverb amp. So I am very familiar with the Ultralinear Amp.

Fast forward to about 1999...
About twenty years ago, I walked into a Central Texas pawn shop and found an enigma. At first glance, it was an Ultralinear Super Six, 135 watt, with a pull-out master volume. I look at the back of the amp and only see four 12 inch speakers.

Someone had replaced the particle board original speaker baffle, thanks to CBS, with one made of plywood and have cut four greatly staggered holes for 12-inch speakers.

A previous owner turned a Super Six into a Quad Reverb. That is because the Super Six, Quad Reverb and Twin Reverb of that era all had the same 135-watt Ultralinear Amplifier with different cabinets and speaker arrangements. That day I bought the Super Six/Quad amp and hauled the 90+ pound beast to my car.

With Stereo effects, the sound was glorious with the Twin Reverb plus a two speaker cabinet on one side and the Super Six/Quad on the other.

Over the years, I had to replace both amps grill frames because they disintegrated into the particles of which they were made. Now they are plywood.

Now it is 2019 and I have not used the Super Six/Quad in a decade. I go to fire it up to check it out before selling it and the fuse blows. Yea, I know I should have used the variac. Like most people, I do dumb things from time to time.

I am a ham radio operator and have repaired many radios, my skills with a soldering iron are advanced when dealing with tube and solid-state circuits. Is the work and parts worth the money?

Do I sell the amp as is?
How much is this pawn shop Super Six/Quad worth in its current non-working state?
Do I recap the amp and sell it as a working amp?
How much would the pawn shop Super Six/Quad be worth if it was working?
Do I recap it, replace the speaker baffle so it holds six 10 inch speakers, buy six 10 inch Jensen Black speakers or Celestion Ten 30’s and put them in the amp to sell it as a proper Super Six?
How much would the pawnshop Super Six/Quad worth if it was recap’ed working with its original six-speaker line up?

I keep running the numbers and I am not sure it is worth the work to fix it but I am not sure.

Paul


Last edited by Radioteacher on Sun Dec 15, 2019 5:59 pm, edited 4 times in total.

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Post subject: Re: Super Six from Pawn Shop - Long first post
Posted: Sun Dec 15, 2019 5:47 pm
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I have decided to recap the Super Six. I am not sure about replacing the baffle and speakers yet.

This would be better with photos.

Image

Image

Image

Please let me know what you think about the amp. For me, it is a wall of clean.

Radioteacher


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Post subject: Re: Super Six from Pawn Shop - Long first post
Posted: Sun Dec 15, 2019 6:23 pm
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For starters, your Super Six Reverb is not the ultra-linear 135-watt chassis, which -- depending on one's point of view -- could be a good thing or a bad thing. Secondly, there just ain't much demand for Fender's first crew-served combo amp -- they're too damn heavy and too damned loud (unless you have roadies and play only outdoor arena-type venues).

Were it me, I'd try to sell it "as-is" and let the next owner decide how much to spend on his/her new boat anchor. In serviceable condition the amp *might* be worth a grand, less so in its present state.

Arjay

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Post subject: Re: Super Six from Pawn Shop - Long first post
Posted: Sun Dec 15, 2019 10:20 pm
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That behemoth fits in a car? Sorry couldn't resist.

Unless you think you can sell it locally, packing and shipping so the cabinet arrives without self destructing would also be a problem.

I'd be more inclined to part it out, sell the iron, tank, pots, chassis, faceplate, knobs, etc.

JMO


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Post subject: Re: Super Six from Pawn Shop - Long first post
Posted: Mon Dec 16, 2019 1:50 am
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Parting it out is a very good option.

At the time I was driving a Dodge Caravan minivan. There was always plenty of room in the back because I would leave one row of seats in the garage. That made it easier to haul equipment around.


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Post subject: Re: Super Six from Pawn Shop - Long first post
Posted: Mon Dec 16, 2019 1:59 am
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Retroverbial wrote:
For starters, your Super Six Reverb is not the ultra-linear 135-watt chassis, which -- depending on one's point of view -- could be a good thing or a bad thing.


Thank you for the correction on the amp. CFA7106 100 Watt RMS.
So this is the correct schematic. https://schematicheaven.net/fenderamps/ ... _schem.pdf

Thank you,

Radioteacher


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Post subject: Re: Super Six from Pawn Shop - Long first post
Posted: Mon Dec 16, 2019 7:41 am
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Yes, that's the correct schematic for your Super Six Reverb Amp.

Arjay

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"Here's why reliability is job one: A great sounding amp that breaks down goes from being a favorite piece of gear to a useless piece of crap in less time than it takes to read this sentence." -- BRUCE ZINKY


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Post subject: Re: Super Six from Pawn Shop - Long first post
Posted: Thu Dec 19, 2019 7:48 am
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Radioteacher wrote:
Retroverbial wrote:
For starters, your Super Six Reverb is not the ultra-linear 135-watt chassis, which -- depending on one's point of view -- could be a good thing or a bad thing.


Thank you for the correction on the amp. CFA7106 100 Watt RMS.
So this is the correct schematic. https://schematicheaven.net/fenderamps/ ... _schem.pdf

Thank you,

Radioteacher



On my library this schematic's name is Twin Reverb Silverface 100 watts.
It could be same circuit for Super Six Reverb


Last edited by stratele52 on Thu Dec 19, 2019 9:18 am, edited 1 time in total.

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Post subject: Re: Super Six from Pawn Shop - Long first post
Posted: Thu Dec 19, 2019 8:33 am
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From circa 1975 onwards a single schematic was used for the Vibrosonic, Twin Reverb, Quad Reverb, Super Six Reverb, and Dual Showman Reverb. Notations were included to identify the differences between each model, mainly consisting of speaker load and O/T wiring. This practice continued into the ultra-linear era.

Arjay

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"Here's why reliability is job one: A great sounding amp that breaks down goes from being a favorite piece of gear to a useless piece of crap in less time than it takes to read this sentence." -- BRUCE ZINKY


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Post subject: Re: Super Six from Pawn Shop - Long first post
Posted: Thu Dec 19, 2019 9:18 am
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Retroverbial wrote:
From circa 1975 onwards a single schematic was used for the Vibrosonic, Twin Reverb, Quad Reverb, Super Six Reverb, and Dual Showman Reverb. Notations were included to identify the differences between each model, mainly consisting of speaker load and O/T wiring. This practice continued into the ultra-linear era.

Arjay


Thank's for information.


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Post subject: Re: Super Six from Pawn Shop - Long first post
Posted: Thu Dec 19, 2019 11:56 am
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I certainly would not buy 6 new speakers for it. Whatever you choose, the buyer may prefer something else.

But since you're a woodworker, maybe make a 6x10 baffle and include it. Most buyers can't do that and it'd be a hassle and expense to find a builder and buy one. I wouldn't put studs or tee nuts in it -- again, some buyers might prefer one rather than the other. Just cut the speaker openings and drill pilot screw holes.

It wouldn't increase the sale price much, maybe not at all. But it might dramatically increase the number of people interested in buying it. Buyers can hear that it works and have the option of leaving as-is or quickly and easily put in their choice of 10s.
--------------
I know the 6x10 was all in parallel but I don't recall exactly how they were wired up. Including whatever jumpers are needed to convert a 4x12 back to 6x10 and maybe a sketch of what hooks where might be a nice touch too -- make it as easy as possible for as many people as possible to want to buy that amp.


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Post subject: Re: Super Six from Pawn Shop - Long first post
Posted: Thu Dec 19, 2019 12:26 pm
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strayedstrater wrote:
I know the 6x10 was all in parallel but I don't recall exactly how they were wired up.


The Super Six Reverb's speaker array was wired in a series/parallel configuration with a total system impedance of approximately five ohms. Hence the real-panel caveat on the chassis adjacent to the primary output jack.

Arjay

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"Here's why reliability is job one: A great sounding amp that breaks down goes from being a favorite piece of gear to a useless piece of crap in less time than it takes to read this sentence." -- BRUCE ZINKY


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Post subject: Re: Super Six from Pawn Shop - Long first post
Posted: Thu Dec 19, 2019 12:45 pm
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Retroverbial wrote:
strayedstrater wrote:
I know the 6x10 was all in parallel but I don't recall exactly how they were wired up.


The Super Six Reverb's speaker array was wired in a series/parallel configuration with a total system impedance of approximately five ohms. Hence the real-panel caveat on the chassis adjacent to the primary output jack.

Arjay


This make sense;
Each 2 speaker are wired in series ; 8 +8 =16
Each pair of speaker are in parallel; 16 / 16 / 16 = 5.33

http://www.sengpielaudio.com/calculator-paralresist.htm


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Post subject: Re: Super Six from Pawn Shop - Long first post
Posted: Thu Dec 19, 2019 1:01 pm
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No, it's three 8Ω speakers in parallel wired in series with three more 8Ω speakers in parallel.

Arjay

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"Here's why reliability is job one: A great sounding amp that breaks down goes from being a favorite piece of gear to a useless piece of crap in less time than it takes to read this sentence." -- BRUCE ZINKY


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Post subject: Re: Super Six from Pawn Shop - Long first post
Posted: Thu Dec 19, 2019 1:16 pm
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Retroverbial wrote:
No, it's three 8Ω speakers in parallel wired in series with three more 8Ω speakers in parallel.

Arjay


:oops:

3 spkr in parallel = 2.66 X 2 = 5.32 ohms


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