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Post subject: Re: 1967 Suber Reverb Questions (Soon-to-be NAD)
Posted: Fri May 09, 2014 2:02 pm
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Thanks everybody, you really helped me cure my concerns and my anxiety! I guess I'm just a little scared. Out of three recent amps I owned I have had problems with 2 of them. Faulty reverb (op-amp) on a BlJr III, some mysterious fault on my AC15 that the technicians couldn't find and most recently a Mesa Boogie Lonestar, the supposedly twin-killer (pfft) which I sold becasue I can't justify a 100 watts.

I contacted the seller and I'm meeting up with him next week. I got some more pictures from I'm so if you're interested I'll post them right away.

Just a thought, the top left speaker basket, doesn't it look damaged or dented, or is the lighting/dust just playing me a mind game?

/J

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Post subject: Re: 1967 Suber Reverb Questions (Soon-to-be NAD)
Posted: Fri May 09, 2014 2:50 pm
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The speaker looks fine -- those frame "wrinkles" are part of the stamping process used to create the basket.

If you can swing it, get pics of all the amp's transformers that clearly show the numbers embossed on the top or sides -- they'll reveal whether or not they're original to the amp.

Arjay

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Post subject: Re: 1967 Suber Reverb Questions (Soon-to-be NAD)
Posted: Fri May 09, 2014 6:38 pm
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Yeah, and photos of the circuit and caps under the doghouse would be nice, too. In terms of how the circuit was modified and what else may have been done to the amp.


Good luck! :D


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Post subject: Re: 1967 Suber Reverb Questions (Soon-to-be NAD)
Posted: Sat May 10, 2014 1:16 pm
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Retroverbial wrote:
The speaker looks fine -- those frame "wrinkles" are part of the stamping process used to create the basket.

If you can swing it, get pics of all the amp's transformers that clearly show the numbers embossed on the top or sides -- they'll reveal whether or not they're original to the amp.

Arjay


The seller is out of town until mid next week so that will be rather hard for now. However this is an export model with 230v, if if not completely wrong these were imported to Sweden by Hagström where the were modified and possibly changing the mains transformer? I'm not sure about it, however the "Swedish" models don't seem to come with either a standby switch or the outlet on the back, but the hole for it is still there. Do you have any knowledge about this? :mrgreen:

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Post subject: Re: 1967 Suber Reverb Questions (Soon-to-be NAD)
Posted: Sat May 10, 2014 2:01 pm
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Fender amps built for export had the AC convenience outlet on the rear panel replaced by a rotary voltage-selector switch. It was clearly indicated by a red chickenhead knob and allowed operation with nearly any country's voltage. Frequently (but not always) the tube chart inside the cabinet would designate it as an export model. No other changes were made and if the amp you're interested in has had its standby switch removed, that's something that was done by a previous owner -- not by Fender and not by a dealer.

Arjay

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Post subject: Re: 1967 Suber Reverb Questions (Soon-to-be NAD)
Posted: Sat May 10, 2014 2:19 pm
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Retroverbial wrote:
Fender amps built for export had the AC convenience outlet on the rear panel replaced by a rotary voltage-selector switch. It was clearly indicated by a red chickenhead knob and allowed operation with nearly any country's voltage. Frequently (but not always) the tube chart inside the cabinet would designate it as an export model. No other changes were made and if the amp you're interested in has had its standby switch removed, that's something that was done by a previous owner -- not by Fender and not by a dealer.

Arjay


Hmm, interesting. If you look at the picture below there is only one switch and no extra holes. You may be right that some owner removed it but I can't see the point.

By the way I made a quick search and it seems that Hagström who distributed Fender amps in Sweden at the time removed the voltage selector to make it fixed. From what I could understand it had something to do with our equivalent of U.L. approval.

Image

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Post subject: Re: 1967 Suber Reverb Questions (Soon-to-be NAD)
Posted: Sat May 10, 2014 2:54 pm
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Johan,

The rear panel shows signs of post-production mods. Seems there are two fuses. The power switch doesn't appear to be stock item. Sure would be nice to see the circuit & trannies. Have you heard this amp?

Thanks!


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Post subject: Re: 1967 Suber Reverb Questions (Soon-to-be NAD)
Posted: Sat May 10, 2014 3:15 pm
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BMW2002Ti wrote:
Johan,

The rear panel shows signs of post-production mods. Seems there are two fuses. The power switch doesn't appear to be stock item. Sure would be nice to see the circuit & trannies. Have you heard this amp?

Thanks!


Hi,

I'm not sure that you are completely right. I made a little search and found another "Swedish" Super Reverb that has the same fuse configuration, look at this picture:

Image

I also came across this link from the tdpri forum regarding a "Swedish" SF Super Reverb. Apparently Hagström did these kinds of modifications to them, and in some cases the switched out the transformer aswell. I have not heard this amp yet. Anyway, here is the link:

http://www.tdpri.com/forum/amp-central-station/311344-need-help-identify-fender-super-reverb.html

Cheers!

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Post subject: Re: 1967 Suber Reverb Questions (Soon-to-be NAD)
Posted: Sat May 10, 2014 5:32 pm
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BMW2002Ti wrote:
Johan,

The rear panel shows signs of post-production mods. Seems there are two fuses. The power switch doesn't appear to be stock item.


Hell, it's not even a goddamm Fender panel!

Do you see "FENDER MUSICAL INSTRUMENTS - A DIVISION OF COLUMBIA BROADCASTING SYSTEM, INC - SANTA ROSA, CALIFORNIA - MADE IN U.S.A." anywhere on it?

Pass.

Arjay

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Post subject: Re: 1967 Suber Reverb Questions (Soon-to-be NAD)
Posted: Sun May 11, 2014 4:47 am
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Retroverbial wrote:
BMW2002Ti wrote:
Johan,

The rear panel shows signs of post-production mods. Seems there are two fuses. The power switch doesn't appear to be stock item.


Hell, it's not even a goddamm Fender panel!

Do you see "FENDER MUSICAL INSTRUMENTS - A DIVISION OF COLUMBIA BROADCASTING SYSTEM, INC - SANTA ROSA, CALIFORNIA - MADE IN U.S.A." anywhere on it?

Pass.

Arjay


Sorry, you're right. I was way too tired to make any sense yesterday. Of course it has been post-production modified from the Fender factory, as every other Swedish export model, which is a shame. From time to time you see a import model which has the correct backpanel.

/J

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Post subject: Re: 1967 Suber Reverb Questions (Soon-to-be NAD)
Posted: Sun May 11, 2014 9:55 am
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Johan,

The link seems to verify a post-production, Hagström modification. Centering around the PT and fuses. Prolly as you said, not only to adapt the amp for use with Swedish wall outlet power --- but also to meet a different safety standard. Like fusing of both neutral and hot lines.

You need photos of the circuit of the amp you are interested in. It's the only way to really know what mods were done.

Photos off TDPRI link:



http://www.tdpri.com/forum/attachments/ ... reverb-jpg

http://www.tdpri.com/forum/attachments/ ... reverb-jpg

http://www.tdpri.com/forum/amp-central- ... everb.html


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Post subject: Re: 1967 Suber Reverb Questions (Soon-to-be NAD)
Posted: Sun May 11, 2014 11:01 am
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BMW2002Ti wrote:
The link seems to verify a post-production, Hagström modification. Centering around the PT and fuses. Prolly as you said, not only to adapt the amp for use with Swedish wall outlet power --- but also to meet a different safety standard. Like fusing of both neutral and hot lines.


I've yet to witness an instance where some civil-service droid employed by a government bureaucracy knew more about an amp than its designer or engineer.

:roll:

Arjay

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Post subject: Re: 1967 Suber Reverb Questions (Soon-to-be NAD)
Posted: Sun May 11, 2014 12:23 pm
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Arjay, for sure. If this were my amp, I retrofit it back to right out-of-factory, OEM standards. With appropriate PT, if necessary. Hammond makes very good drop-in 220/230VAC 50Hz PTs' for Fender amps. Going back to original rear face plate and restoring some of the original switches and fuse holder will definitely enhance resale value.

Be interesting to see what other mods may have been done to the circuit. I'd try to get a photo of the circuitry, before further pursuing purchase.


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Post subject: Re: 1967 Suber Reverb Questions (Soon-to-be NAD)
Posted: Sun May 11, 2014 12:48 pm
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BMW2002Ti wrote:
Be interesting to see what other mods may have been done to the circuit. I'd try to get a photo of the circuitry, before further pursuing purchase.


+1!!!

It could end up being the "mother of all money pits" depending on how hosed the chassis is.

Arjay

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Post subject: Re: 1967 Suber Reverb Questions (Soon-to-be NAD)
Posted: Sun May 11, 2014 1:31 pm
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I contacted the seller and asked him if he could snap some pictures och the trannies and inside the chassis. He replied with some pictures, however there was no picture of inside the chassis and no good picture of the mains transformer. Anyway, here are two photos that show some numbers:

Image

Image

Hopefully I can get some more.

//J

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