New 50 watt build

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Structo
Posts: 15446
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Location: Oregon

Re: New 50 watt build

Post by Structo »

I have read that the Ceria chassis are a thinner gauge aluminum.
Plus they are a non standard width.
Tom

Don't let that smoke out!
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67plexi
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Location: Juneau Alaska

Re: New 50 watt build

Post by 67plexi »

Call her done, Just found a NOS pair of Tesla EL34 OO getter, Sweet.
GE long plates 7025’s V-1/V-2, Siemans E83CC V-3 date code 1960.
465 volts on the plates.
481 B+
1202-55 Power transformer, primary taps, 100v, 120v, 220v, 230, 240v.
784-139 Output transformer, 3.5k.
Fender Twin choke.
Bias set cold -32mA.
Build the combo cab time.
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67plexi
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Re: New 50 watt build

Post by 67plexi »

New knobs :D
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CHIP
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Re: New 50 watt build

Post by CHIP »

Steve,
those are cool, where did you find them? I need some knobs for my D'lite since i took those off for my new amp.
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67plexi
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Re: New 50 watt build

Post by 67plexi »

The Combo cabinet in the works, Tolex and grill cloth is on the way.

I built the cabinet one inch taller to accommodate a 15” speaker.

Will build a 12” and 15” speaker baffle board to see what works best.
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David Root
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Re: New 50 watt build

Post by David Root »

Nice knobs, and nice tube line-up! I also like the VOX style combo cabinet, you can slide the amp in and out.

Let us know how it sounds with those vintage tubes!
dcribbs1412
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Re: New 50 watt build

Post by dcribbs1412 »

looks great cool knobs...gotta ask, can you divulge the source
15" is a cool idea
covering it with voxish grill and suede?
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67plexi
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Re: New 50 watt build

Post by 67plexi »

Time to paint it black. The 15" speaker fit. :D
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67plexi
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Re: New 50 watt build

Post by 67plexi »

Tolex time.
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Mark
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Re: New 50 watt build

Post by Mark »

Where are those round knobs (front panel) available from and how close are they to the real thing?
Yours Sincerely

Mark Abbott
talbany
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Re: New 50 watt build

Post by talbany »

Steve
Looks good so far!!..What kind of 15 do you have in mind..Here are my faves in current production ceramic

EV15L
Delta Pro 15 and believe it or not the Eminence Legend ain't half bad for the money and a bit lighter too..
I recommend a beam blocker if you go w/15 thought I'd mention.. Have Fun!!

FWIW..I tried mine w/oval back and closed back acoustic suspension..I much prefer the AS

Tony
" The psychics on my bench is the same as Dumble'"
Mark
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Location: Sydney Australia

Re: New 50 watt build

Post by Mark »

closed back acoustic suspension..
I haven't heard of the acoustic suspension part of this term before, is this more than the typical closed backed cab?

Let's not forget about the knobs?
Yours Sincerely

Mark Abbott
talbany
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Location: Dumbleland

Re: New 50 watt build

Post by talbany »

Mark wrote:
closed back acoustic suspension..
I haven't heard of the acoustic suspension part of this term before, is this more than the typical closed backed cab?

Let's not forget about the knobs?
Mark..What do you mean by more?..

Tony
" The psychics on my bench is the same as Dumble'"
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Structo
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Re: New 50 watt build

Post by Structo »

I think they used to call closed back Hi Fi speakers acoustic suspension since the speaker is cushioned by the enclosed air.
Tom

Don't let that smoke out!
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67plexi
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Re: New 50 watt build

Post by 67plexi »

Mark the knobs are Alcoknob KES-700AB made in Japan. Pre Fukushima.
The 15” speaker is an Eminence sounds good out of the cab. Will see how it sounds in the cab today.
I’m working on a 12” baffle if the 15” speaker doesn’t work out.
Still waiting on my tolex and grill cloth, brown alligator and fender wheat grill cloth.
Hope to finish this week; I have a show to play on the largest stage in town this weekend.
If not I will use #183 100 watt and #124 100 watt.

Thanks for all the kind comments

Steve.
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