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FDP Forum / Fender Amps: 1985 - Current / '57 Bandmaster reissue

Matbouche

France

If you never try, you'll never know...
Apr 3rd, 2015 09:47 AM   Edit   Profile   Print Topic   Search Topic

Hi mates !

I'm seriously considering buying this amp.

Did a search on the forum but could not find much information about it...not recently anyway !

I watched all demos on youtube, some clips sound really good to my hears, some don't so I was wondering if there were happy owners here to talk about it.

Thanks for the input !

urby
Contributing Member
*******

Seattle, Wa

Apr 3rd, 2015 12:41 PM   Edit   Profile   Print Topic   Search Topic

I had a real '58 for many years. I sold it a couple years ago for a small fortune. These amps have a real nice OD sound but lack lower mids and bass for live work, imo. On the other hand they record very well. Wish I would have originally scored a '58 Bassman. I'd probably still own that amp.

Matbouche

France

If you never try, you'll never know...
Apr 3rd, 2015 02:18 PM   Edit   Profile   Print Topic   Search Topic

Hi urby !

I've heard the new ones have more bass than the originals...seems they do not have the exact same circuitry.

What I'd really like to know is at what volume do they start to breakup...

telegib

Canada

Apr 3rd, 2015 09:05 PM   Edit   Profile   Print Topic   Search Topic

I considered buying one of these a couple of years ago but didn't. I did buy a 68 Custom Deluxe Reverb.

That's a nice amp!It is not all handwired but it is a nice amp.

Now I do realize that a Deluxe amp is a totally different beast versus a Tweed amp. But I did some reading up a couple of years ago about the 57 Bandmaster but decided not to bother since I couldn't try one out and it was a lot of money to throw out on a chance that I might like it.

But just thought I would throw in the 68 Custom Deluxe amp in case you would want to check one out.

(This message was last edited by telegib at 11:17 PM, Apr 3rd, 2015)

Matbouche

France

If you never try, you'll never know...
Apr 4th, 2015 01:44 AM   Edit   Profile   Print Topic   Search Topic

Hi telegib,

Seems that the '68 Custom Deluxe Reverb is a very good amp (if Joe Bonamassa says it's good, it's good!) :D

But I'm looking for a hand-wired amp that will stand the test of time, just like my '65 Tremolux head and piggy-back cabinet ;-)

Thanks for your answer anyway !

External link

urby
Contributing Member
*******

Seattle, Wa

Apr 4th, 2015 10:46 AM   Edit   Profile   Print Topic   Search Topic

My Bandmaster had a little clean headroom but all in all it "gave up the ghost" pretty early. All of the controls were interactive, so it really depended on what your settings were.

telegib

Canada

Apr 4th, 2015 08:21 PM   Edit   Profile   Print Topic   Search Topic

Matbouche
Thanks for the article! I guess I ain't alone in my opinion on the Custom Deluxe Reverb.

Best of luck in your amp search.

Matbouche

France

If you never try, you'll never know...
Apr 5th, 2015 04:16 PM   Edit   Profile   Print Topic   Search Topic

Thanks, telegib ! :-)

SoK66
Contributing Member
*******

USA

We had the hit but Van got the money
Oct 16th, 2015 05:02 PM   Edit   Profile   Print Topic   Search Topic

Has anyone popped open the back of the '57 Bandmaster reissue and checked the circuit against the original schematic? I'm interested in what changes they made to it. Apparently they tried to tighten it up a bit, only information I've been able to find it that they raised the B+ and used a GZ34 rectifier, but I'm not even sure about that. I've had no luck finding a schematic or layout diagram for the amp either.

RufusTeleStrat

San Diego

Land of Sea, home of the Waves
Oct 17th, 2015 09:34 AM   Edit   Profile   Print Topic   Search Topic

I have not popped it open yet, but this amp has become my favorite to the point i have traded many that were not getting used. Still have my HRD limited edition with the cannabis rex speaker but the 57 seems too sweet not to play.
R

Matbouche

France

If you never try, you'll never know...
Feb 2nd, 2016 01:22 PM   Edit   Profile   Print Topic   Search Topic

Hi folks !

I needed to open mine because some cables were a bit in the path of the input jacks and I didn't want to take the risk to tear them out when unplugging...

Seems to be well built with good quality components.

I'm not skilled enough in electronics to compare this one with the original schematic, but if some of you can, please give input !

I love this amp more and more each day ! :-)

'57 Bandmaster reissue circuit

SoK66
Contributing Member
*******

USA

We had the hit but Van got the money
Mar 10th, 2016 04:52 PM   Edit   Profile   Print Topic   Search Topic

I have dug & scoured and FINALLY came up with the schematic for the '57 Bandmaster Reissue. For some reason Fender never loaded it on their site, which has almost all the others. Studying it I came up with a few changes, but nothing extreme. Here's what I've found so far:

1) GZ34/5AR4 Rectifier vs a 5U4
2) 12AX7 preamp tube in V1 vs a 12AY7
3) 10k grid stoppers on the preamp tubes.
4) A 10k bias pot, with more resistance in the bias circuit.

There may be a few more, but nothing jumps out at me. The big change is of course the rectifier, which bumps up the B+ to around 450v, and the 12AX7 in V1, which is consistent with what Fender did with the BMRI and the '57 Twin.

The head scratcher is the 10k grid stoppers. I can't see them in the photo, and they don't show up on the layout diagram. I surmise they are soldered to the grids of the preamp tubes. If I can find a link I'll post it, or I'll load it onto my Photoshop library.

I plan to try the GZ34 and 12AX7 changes on my 5F4 clone to see what they accomplish.

(This message was last edited by SoK66 at 06:54 PM, Mar 10th, 2016)

SoK66
Contributing Member
*******

USA

We had the hit but Van got the money
Mar 10th, 2016 07:29 PM   Edit   Profile   Print Topic   Search Topic

Ok, I managed to convert the PDF to a JPG, lets see if I can load it. Check it out vs the original 5E7, remarkably similar.

Oh, I determined from the photo that they put the grid resistors in the grid leads right at the tube socket.

'57 Bandmaster Schematic

division17

Canada (Montreal)

Life's been good to me so far
Aug 1st, 2016 09:26 PM   Edit   Profile   Print Topic   Search Topic

Do you think the change to the GZ34 and the 12AX7 instead of the 12AY7 are improvements? Why not just stick to the original layout? Why mess with something if it was supposedly so good in the first place? Just wondering.

(This message was last edited by division17 at 11:28 PM, Aug 1st, 2016)

pcalu

usa metro detroit

Aug 2nd, 2016 01:03 AM   Edit   Profile   Print Topic   Search Topic

That is the AMP!
Every time I hear it I say I've got to find a way to get that. The cost is what is setting me back. That is IMO probably the best sounding Tweed in production that I have heard Tungsten makes a dandy too... But man did Fender nail that amp!!

Matbouche

France

If you never try, you'll never know...
Aug 4th, 2016 10:41 AM   Edit   Profile   Print Topic   Search Topic

Yes indeed ! :-)

I'm so glad I had the opportunity to buy one of these last year, did not seem to be in production anymore and I'm not really convinced by the new Tweed Pro reissue with his 15" speaker. But the Twin sounds really good...too loud, heavy and expensive for me, though !

The new yellow caps looks real cool, btw :D

External link

FDP Forum / Fender Amps: 1985 - Current / '57 Bandmaster reissue




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