Fender Tweed Twin Reissue JB Edition
Moderators: pompeiisneaks, Colossal
Fender Tweed Twin Reissue JB Edition
https://www.youtube.com/watch?v=3z2gU8KOAE4
Tweed Twin, Joe Bonamassa limited edition
First Tweed Twins to come out of Fullerton in what, 50 years?
Celestion JB-85 speakers (Ipswich made Classic Lead 80)
Tung Sol Reissue 6L6s
12AX7s in all three positions
Mercury Mag transformers
**Humble request: please don't slag Joe, if you hate'em and/or see this as a money grab. Let's just revel in the fact that Fender reissued this amp.**
Tweed Twin, Joe Bonamassa limited edition
First Tweed Twins to come out of Fullerton in what, 50 years?
Celestion JB-85 speakers (Ipswich made Classic Lead 80)
Tung Sol Reissue 6L6s
12AX7s in all three positions
Mercury Mag transformers
**Humble request: please don't slag Joe, if you hate'em and/or see this as a money grab. Let's just revel in the fact that Fender reissued this amp.**
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Re: Fender Tweed Twin Reissue JB Edition
Cool info Dave, I like Joe, and I was pissed when he switched from Marshall’s to Fenders, but the more I hear him the more I like his new sound....
As a side question, what was the purpose of the. 2 tube rectifiers on the twins? Did it lower voltages even more?
Thanks Joe
As a side question, what was the purpose of the. 2 tube rectifiers on the twins? Did it lower voltages even more?
Thanks Joe
Re: Fender Tweed Twin Reissue JB Edition
Hi Joe,joeboo88 wrote: ↑Sat Apr 07, 2018 2:41 am Cool info Dave, I like Joe, and I was pissed when he switched from Marshall’s to Fenders, but the more I hear him the more I like his new sound....
As a side question, what was the purpose of the. 2 tube rectifiers on the twins? Did it lower voltages even more?
Thanks Joe
Way back when, I liked Joe's Marshall/Dumble hybrid setup but listening to it now, there are times where I find it a bit congested. When he switched to the 2 Bassman/2 Tweed Twin setup, it sounded gloriously clear to me. He is now using four Tweed Twins on stage. There are two Tweed Twins: the High Power 5F8A circuit (which is what Joe and Keefus use) and the 5E8A Low Power circuit (which is what Clapton uses). It is the Low Power Tweed Twin that uses two 5U4G rectifiers and the High Power a single GZ34. Personally, I prefer the High Power.
For your comparison and contemplation:
Low Power Tweed Twin
http://ampwares.com/amplifiers/fender-5 ... p-reissue/
http://ampwares.com/schematics/twin_5e8a.pdf
High Power Tweed Twin
http://ampwares.com/amplifiers/fender-n ... n-big-box/
http://ampwares.com/schematics/twin_5f8a.pdf
Finally, this is just ridiculously over-the-top, but good fun. Listen to those amps sing. I think this setup just blows away his Jubilee/Dumble rig:
https://www.youtube.com/watch?v=MqAZiYt-GK8
Last edited by Colossal on Sat Apr 07, 2018 3:07 am, edited 1 time in total.
Re: Fender Tweed Twin Reissue JB Edition
@joeboo, how can you look at that photo and count TWO recto?
I build and repair tube amps. http://amps.monkeymatic.com
Re: Fender Tweed Twin Reissue JB Edition
That shplains it.
I build and repair tube amps. http://amps.monkeymatic.com
Re: Fender Tweed Twin Reissue JB Edition
That looks nice. Glad they did it. What is the purpose of the ground switch? Maybe there for extra help in case of bad AC wiring? Or just for looks? I can't see any relevant wires going to it.
---------
Bryan
Bryan
Re: Fender Tweed Twin Reissue JB Edition
Gday Aaron, I was asking as a side question if Dave knew why some twins used 2 recto tubes, what their purpose was.
If you know why you can school me.
Sorry if I was confusing
Thanks Dave for the info....
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Re: Fender Tweed Twin Reissue JB Edition
Dual rectifiers would be used to get more current handling capability and reduced voltage drop. 5U4's are pretty inefficient compared to 5AR4's... 50% more heater current, and 40V drop vs. 16 (at 200mA).
Last edited by martin manning on Sat Apr 07, 2018 3:23 pm, edited 1 time in total.
Re: Fender Tweed Twin Reissue JB Edition
Thanks Martin...
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Re: Fender Tweed Twin Reissue JB Edition
Show me a picture of butter and tell me not to mention toast.
(hat bump)
I wonder if that amp is socially broken..
He's a gold miner.
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Re: Fender Tweed Twin Reissue JB Edition
I personally think this is a very cool product and a nice business decision for Fender regardless of the JB signature. Considering that Fender has largely been stuck in a rut of only a very small handful of historic models reissued since the late 80s, it's a great way for them to dip their toe into the pool and see if there's an appetite for something off the beaten path. Using JB as the distribution channel and with his name-power behind it, I'm sure they will be watching how fast the market absorbs this limited model at the premium price point.
If they aren't going to do any serious innovation, I'd love to see some high-quality, new production models come out of old amps. While I won't be buying a new one, I can't wait to see some of them hit the secondary market.
If they aren't going to do any serious innovation, I'd love to see some high-quality, new production models come out of old amps. While I won't be buying a new one, I can't wait to see some of them hit the secondary market.
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Re: Fender Tweed Twin Reissue JB Edition
Do you pixtures from the backside of pots and V1 cathodeRC?
Chris
Love, peace & loudness!
Love, peace & loudness!
Re: Fender Tweed Twin Reissue JB Edition
the shields around the input and output jacks seem like a good idea. But the tube rectifier is not. You get plenty of sag with a marshall style power supply. And a head and cab is preferable to a combo imho
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Re: Fender Tweed Twin Reissue JB Edition
The amp appears to be pretty much a stock 5F8A circuit. There are a few modern improvements such as diodes on the rectifier and flyback diodes on the output transformer primaries.PaisleyTube wrote: ↑Wed Apr 11, 2018 3:19 pm Do you pixtures from the backside of pots and V1 cathodeRC?
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