NAD - Origin20C

fitz

fitz

Ambassador of DIY
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Here's my Origin20 #2.
o20c (1).jpg
Stock tubes - JJ EL34'sm a JJ in V1 & some white labels for V2 & V3.
Gonna roll some tubes from the stash after dinner.
o20c (3).jpg
Seller sent me everything but the combo case.
Apparently, he used the combo for a custom build and dumped everything else in the box.
Chassis is still bolted to the back panel.
Another Origin footswitch I'll never use - I just stick a TRS adapter in the jack to keep the loop & boost always on.
He even sent the VT Jr. with the speaker cable attached...

o20c (4).jpg
Temporary set up on the old C5 cab clones, but easy access for some tube shenanigans.
Stereo O20's in the home office - yeah baby. :yesway:
o20c (5).jpg
The combo chassis will eventually live in these cabs.
Hence the furniture style cab builds for the Ceriatone.
PXL_20240709_173402296.MP.jpg
 
Test fit the O20C in its new home.
I have two 6" logos, and those cabs were originally drilled for them, so I popped them in.
Only other logo in the stash is a 9".
Might get another 9 and put those on the cabs with a 6 on the head.

Never liked those TC pedals with my other O20, but they were handy by for some TBE in the loop.

PXL_20240727_220117441.MP.jpg
 
Moved it to its new residence in the home office.
I think I might just pop that 9" logo on the head and be done with it.
The Origin20 stepbrothers.
step brothers.jpg
 
fitz said:
Moved it to its new residence in the home office.
I think I might just pop that 9" logo on the head and be done with it.
The Origin20 stepbrothers.
View attachment 102217
Click to expand...

Were going to change a DSL 15 preamp circuit to DSL 100 preamp circuit.
The DSL 100 has the cathode follower output instead of the plate follower...
The 100 circuit is different from all the other DSL preamps I think it has about 20 more parts.
Then we are going to mount an extra box on top of the chassis and install a high level FX loop board, because there is almost no room inside the stock chassis.
The FX loop will be a modified Metro board with a beefed up driver section for the power amp, the drive transistor will be like 6X bigger than the stock metro design. It will have a lot more output signal and lower distortion. (it will really be zero loss).
Then I wanna use a 30 watt UK Celestion 12" speaker because I don't really have much faith in the stock speaker. But that's going to be a trick to get somebody to fork over $200 for a 12 inch speaker...I think it's worth it but try to convince the average person, good luck w/ that.
The Celestion speakers made in China IMHO are a joke. I can't believe what I'm seeing; the damn things are assembled wrong from the factory- like no quality control at all.
 
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