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Post subject: Re: Picked this up last night 1974 Super Reverb Silverface
Posted: Tue Aug 14, 2012 1:45 pm
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Hey Beemer I got some of those EL37's in that last batch of tubes I bought.
Sure wish you lived close, yo could help me evaluate some of this stuff.
90% was new in the box.

Here is another funny story from your favorite Bail Bondsman, I've been flipping out over some troubling tone issues with the new Super Reverb, tested every tube cleaned a few pots and still can't dial in the sound I had days ago with this very amp.
So today I'm messing around and decide to try a little Wah and OD
Guess what the wah was activated and to the floor all this time ( I seldom use it) and so............. :oops:

I'm guess'n by now you guys know I'm a bit of a spazz case :mrgreen:

Hey I got my tone back !!!!!!!

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Post subject: Re: Picked this up last night 1974 Super Reverb Silverface
Posted: Tue Aug 14, 2012 2:09 pm
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Sounds like a confirmed case of "spazz-matazz".

:mrgreen:

Arjay

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Post subject: Re: Picked this up last night 1974 Super Reverb Silverface
Posted: Tue Aug 14, 2012 2:13 pm
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Blues, the Mullard EL37 is one of the best 6L6 types. The pinouts are the same. The major difference is the EL37 draws about 1.4amps for the heater and the 6L6GC draws about 0.9amps. But, for a dual 6L6GC Fender Super Reverb (or most Fender dual 6L6GC amps) the PT can handle the extra current demand.

You bias them to about the same endpoint. Fine tune to tone. The gray glass EL37 has a rich creamy tone. Kinda like a big gray glass RCA 6V6GT. Slower onset of OD. Good headroom (not as good as the RCA 6L6GC or GE 7581A). Compresses a bit sooner than the 6L6GC.

Tone reminds me of a good 6L6GA or GB with balls. Very good indeed. :D


http://www.mif.pg.gda.pl/homepages/fran ... e/EL37.pdf

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Post subject: Re: Picked this up last night 1974 Super Reverb Silverface
Posted: Tue Aug 14, 2012 4:15 pm
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Yep Arjay I need a check list before I start playing, I know I've done that same thing or very similar thing before.

Wonder why the high's sound so strange DUHHHHHHH !

Hey Beemer I'll post some pictures when I dig those out, Four large boxes of tubes to sort.

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Post subject: Re: Picked this up last night 1974 Super Reverb Silverface
Posted: Tue Aug 14, 2012 4:19 pm
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blues bondsman wrote:
Yep Arjay I need a check list before I start playing, I know I've done that same thing or very similar thing before.


No sweat, Chris.

I searched for hours for my sunglasses one day......

(found 'em in the freezer)

:oops:

Rawk on!

8)

Arjay

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Post subject: Re: Picked this up last night 1974 Super Reverb Silverface
Posted: Tue Aug 14, 2012 5:38 pm
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Retroverbial wrote:
blues bondsman wrote:
Yep Arjay I need a check list before I start playing, I know I've done that same thing or very similar thing before.


No sweat, Chris.

I searched for hours for my sunglasses one day......

(found 'em in the freezer)

:oops:

Rawk on!

8)

Arjay


You live in the desert and the LAST place you looked was the freezer? :shock: Sheeze you are losing it! :roll:

As for you Chris, chalk that one up to crap happens and since you have had a trio to look over and evaluate just recently, you have been exceptionally busy...you get a big pass on that one! Besides you are the newest member to the SR club...so plug it in and play and forget you did it!

T2

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Post subject: Re: Picked this up last night 1974 Super Reverb Silverface
Posted: Tue Aug 14, 2012 9:32 pm
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Chris, simple problems are the best!!! Arjay, cryogenic shades??? How cool is that? Art

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Post subject: Re: Picked this up last night 1974 Super Reverb Silverface
Posted: Wed Aug 15, 2012 5:47 am
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So in all of your opinions is it worth the time to disable the pull out master all together or just leave it pushed in and cranked to ten ???

Right now its at ten and pushed in, pulling the master switch in the out possition does little to improve the sound :roll: O.K. it sounds like Crapolla !
If it were a simple operation I would leave the master pot there but it would be completely out of the circuit.

Wondering what if anything you guys have done with this "Boost" on these silverface SR's

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Post subject: Re: Picked this up last night 1974 Super Reverb Silverface
Posted: Wed Aug 15, 2012 7:18 am
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blues bondsman wrote:
just leave it pushed in and cranked to ten


+1

That's the ticket, Chris.

8)

Arjay

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Post subject: Re: Picked this up last night 1974 Super Reverb Silverface
Posted: Wed Aug 15, 2012 8:10 am
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Excellent, As much fun as tinkering is, I really like the sound of this amp as is.

I had heard or read that some have disabled the master and found improvement, I was skeptical at best of that.
How much could a pot influence the overall tone especially a volume pot?

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Post subject: Re: Picked this up last night 1974 Super Reverb Silverface
Posted: Wed Aug 15, 2012 9:01 am
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It's not so much an issue of the master-volume pot as it is the matter of that infernal pull-boost switch. The latter is tied to a number of functions within the amp and isolating then removing it from the circuit altogether is relatively problematic. Better to merely ignore it and leave it in situ.

Arjay

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Post subject: Re: Picked this up last night 1974 Super Reverb Silverface
Posted: Fri Aug 17, 2012 12:34 pm
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Had I not pulled the chassis I would not have even known it was there, Guessing it had not been activated in many years, it was stuck in the normal possition, i had to pull pretty hard to get it activated and was wondering why I did shortly after ! :lol:

Not exactly Fender's best idea !
I wonder when amp builders are gonna get the message less is more ???
I know they build this junk for the newbies who think some new add on is gonna make them play like SRV or David Gilmour, Nobody wants to hear that it takes God given talent and a whole lotta practice !

Arjay I have a Tonker and another british flavored 12" 8ohm on the way for my 2x12
so the Fender branded 80's Eminence are going away ! you were right !
Might even go back to the C-rex with that Tonker (Bandmaster head Slightly off topic here).

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Post subject: Re: Picked this up last night 1974 Super Reverb Silverface
Posted: Fri Aug 17, 2012 1:41 pm
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blues bondsman wrote:
I wonder when amp builders are gonna get the message less is more ???
I know they build this junk for the newbies who think some new add on is gonna make them play like SRV or David Gilmour, Nobody wants to hear that it takes God given talent and a whole lotta practice !


Leo was a firm believer in the "KISS" principle......keep it simple, shithead.

But the kids today want the glitzy garbage -- the bio-degradable Tolex in fashionable urban camouflage colors, the glow-in-the-dark grillcloth, a jillion blinking lights in designer colors on the front panel, a firewire port so they can hook up and jam with some other pathetic retard halfway around the world. They don't know what real guitar tone is because most of them were still single-celled zygotes swimming around in their papa's scrotum when all the truly good amps were made.

And they have absolutely no idea who Leo was.

:wink:

Arjay

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Post subject: Re: Picked this up last night 1974 Super Reverb Silverface
Posted: Fri Aug 17, 2012 2:11 pm
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Retroverbial wrote:
blues bondsman wrote:
I wonder when amp builders are gonna get the message less is more ???
I know they build this junk for the newbies who think some new add on is gonna make them play like SRV or David Gilmour, Nobody wants to hear that it takes God given talent and a whole lotta practice !


Leo was a firm believer in the "KISS" principle......keep it simple, shithead.

But the kids today want the glitzy garbage -- the bio-degradable Tolex in fashionable urban camouflage colors, the glow-in-the-dark grillcloth, a jillion blinking lights in designer colors on the front panel, a firewire port so they can hook up and jam with some other pathetic retard halfway around the world. They don't know what real guitar tone is because most of them were still single-celled zygotes swimming around in their papa's scrotum when all the truly good amps were made.

And they have absolutely no idea who Leo was.

:wink:

Arjay


Yep, tell it brother!! :wink:


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Post subject: Re: Picked this up last night 1974 Super Reverb Silverface
Posted: Fri Aug 17, 2012 2:16 pm
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C'mon! Everybody knows Leo.

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