Christopher Cross' other Dumbleland 300SL

[Aaron]

Just found these on a Japanese site.
The SL (stage left) Dumbleland 300SL, Maverick has the sister SR (stage right) amp.
I'm guessing another reverb/mixer circuit. Going from the specs sheet, the 5751 would be reverb driver and the 2 x 7025's would be preamp and filter/reverb mix.

Aaron

[mhartman]

Nice. Looks like Fender Bassman 300 Pro iron? Maybe not, the impedence choices don't match up.

[jelle]

Svt

[mhartman]

Svt

Ahh. That makes total sense. Thanks.

[Blackburn]

So how loud is that thing, like 30w RMS?

[talbany]

So
The magic question (other than the wattage and a few appointments) what's the difference between this amp and an SSS?
Input
Tone stack
Filters
Reverb
Mixer
PI
Driver

Tony

[M Fowler]

My favorite video 1986 Japan good lead run and shows both amps.

http://www.youtube.com/watch?v=WqjFUPya5v8

And at 2:28 on this video http://www.youtube.com/watch?v=7vsN9M31RS0

[Aaron]

So
The magic question (other than the wattage and a few appointments) what's the difference between this amp and an SSS?
Input
Tone stack
Filters
Reverb
Mixer
PI
Driver

Tony

Here's a best guess that I could come up with. Bits of info taken from various threads.

Schematic hasn't been tested to assume it has errors.

Cheers,
Aaron

[FuzzFaceBuilder]

Heres a video that shows the black Christoper Cross Dumbleland 300SL being played next to the orange suede we're discussing in this thread. Both Chris Cross Dumblelands and 4x12's in plain view.

http://www.youtube.com/watch?v=vKH1AJa66zw

[Max]

The magic question (other than the wattage and a few appointments) what's the difference between this amp and an SSS?

Because AFAIK the circuits of all the original SSSs are - some more, some less - different, IMO a general answer to this question isn't possible.

Example:

AFAIU the specs (output impedance, tube complement, preamp controls) of the "SSSs" built by some members here are rather different from the specs of at least one version of an original 150W SSS shown in at least one original data sheet of such an amp written by Alexander Dumble. See the attached transcript of this original data sheet.

Heres a video that shows the black Christoper Cross Dumbleland 300SL being played next to the orange suede we're discussing in this thread.

http://www.youtube.com/watch?v=vKH1AJa66zw

The description posted together with this video says in regard to the black 300SL played in this video:

"Dumbleland 300SL which was made for Jackson Browne"

And as you'll see here: http://4.bp.blogspot.com/_OSvqsfmAJg0/S ... nd_300.jpg

the black 300SL played in this video doesn't show "Christopher Cross" written on its front, and it has an input labeled "FET". And its "cabinet-design" is different, too.

... details - details - details ...

Cheers,

Max

[FuzzFaceBuilder]

The description posted together with this video says in regard to the black 300SL played in this video:

"Dumbleland 300SL which was made for Jackson Browne"

And as you'll see here: http://4.bp.blogspot.com/_OSvqsfmAJg0/S ... nd_300.jpg

the black 300SL played in this video doesn't show "Christopher Cross" written on its front, and it has an input labeled "FET". And its "cabinet-design" is different, too.


Cheers,

Max

Max,

Thanks for that insight. The black Dumbleland that's shown in your photo above and the video definitely sports Chris Cross' copyrighted flamingo logo. As to the FET input, lack of CC's name and the different cab, I don't know. Possibly it was regrooved by Alex for Jackson Browne when CC sold his Dumble rig. Either way, this was definitely Chris' DL at one point. And if absolutely nothing else, the video gives a great example of the tone of a Dumbleland. Thanks for your attention to details.

[img2956]http://4.bp.blogspot.com/-2PvRCEsop-o/T ... ss+(7).jpg[/img]

[img:400:176]http://4.bp.blogspot.com/_OSvqsfmAJg0/S ... nd_300.jpg[/img]

With respect,
Hale

[Max]

Either way, this was definitely Chris' DL at one point.

No, it wasn't: http://www.youtube.com/watch?v=kQFKtI6gn9Y



Cheers,

Max

[Aaron]

Anyone have any ideas/input on the schematic?

Aaron

[Max]

Anyone have any ideas/input on the schematic?

AFAIU your schematic it shows 7 filter positions. On the picture of the amp posted in the opening post I see only 6 filter positions.

[talbany]

Because AFAIK the circuits of all the original SSSs are - some more, some less - different, IMO a general answer to this question isn't possible.

I will rephrase

What makes the basic topology of this amp different than Steel String Singer Ser # 002
(Apart from the wattage and tube compliment and a few appointments,cab design)

Given the amount of preamp tubes and knobs they (SSS 002 & CC DL) both appear to have
input
tone stack ?
filters-Don't care how many pos ?
reverb
Mixer
PI
SVT type driver AB2

Thanks
Tony