Maverick Music just posted another Dumble they got in.

[guitarpkr76]

It was owned by Jackson Browne. SN: 0059

[talbany]

Someone crack that bitch open and take some gut shots..It's in Great Shape!!

Tony

[jelle]

That looks very nice. Thanks for posting the pictures.

[mhartman]

Is that a "white face" Dumble? I've seen black, silver and gold, but I don't think white.

[jelle]

Clear anodized alu.

[jelle]

This appears to be a Third Generation ODRS. If so, it is very open, sustainy, and strat friendly.

Unless it has been updated...

[FuzzFaceBuilder]

Jelle are these usually pre or post OD reverb?

[talbany]

If it's anything like #60 Brother amp it's post...the 2nd gen's were Pre like #13

T

[FuzzFaceBuilder]

If it's anything like #60 Brother amp it's post...the 2nd gen's were Pre like #13

T

Thanks Tony. Time to start digging again.

[jelle]

If it is anything like sn# 60, then it is updated. If original, then I would guess it is pre OD processor.

[talbany]

If it is anything like sn# 60, then it is updated. If original, then I would guess it is pre OD processor.

Jelle
I hope you are well!!

Here are my notes on the ODSR

2nd generation Overdrive Reverb:
3 tubes (driver, return amp, mix amp,). Mix is done before the OD circuit. So you have “overdriven reverb”. By this the reverb gets the more prominent, the more the OD decays. It is a bit like with a Deluxe Reverb in power amp saturation mode. When the note decays, the reverb gets more prominent. These amps have less gain AFAIR than the usual 2nd generation ODS.

3rd generation Overdrive Reverb: No idea

4th generation Overdrive Reverb:
3 tubes (driver, return amp, mix amp). Reverb send is behind volume and ratio, mix before master volume. By this the reverb is a bit like an effect in the loop.

Do you know for certain if the reverb is Pre on a 3rd gen? or is that a guess?

My guess would be it's mixed post but without tweed mixer

Thanks!!

Tony

[jelle]

That is a guess, and if you look closely at the pics of that 4th gen, then you will see that the implementation of the reverb has been upated as well. I have no clue what that was originally. Obviously the designer took the trouble to improve it, so should we really care?

Anyway, I am sure that amp in the OP sounds great if maintained well.

[talbany]

so should we really care

yeah..Not really.. Just wanted to know for my notes!!

Thanks!

T

[jelle]

Hope you are well too.

[jelle]

http://www.maverick-music.com/vintage-a ... son-browne