Hey sorry...everytime I come back I see that plexi was the last reply so I keep thinking the thread kinda went dormant...oopsies.
Yeah the power switch is just a hi-lo.
I'm slowly learning more about the 36 and 18 watters (and amps in general) here. I had been here before but it seemed a little "deep". Every time I come back I "recognize" a little more.
I'm not a guy who has never lit an iron. It all started back in the '70s with simple children's sears radio kits and a light show for the band which consisted of a bunch of noma floodlamps and a big plywood box with a bunch of 110 outlets and automotive highbeam switches...you know...when we had stompboxes in cars too..before signal light highbeam switches.
I've of course fixed a bizillion cords, changed hundreds of pickups and pots...I had a satellite TV store....that can call for a bit of soldering and "modifying"

, and PCB trace cutting and re-routing....blah blah..
so yeah I can do some nice work...even on TINY stuff with like 30gauge wire.
About amps I dont know much. I know how to drain caps (I cheat though), I've installed (and removed) a post pi master in a marshall, messed with bright caps and resistors a bit...That's about IT!

OK great...now I forgot where I was going with this...you should try talking to me in PERSON...god!
Oh yeah...the power switch..lmfao...anyway, yeah 2-way, resistive (?)....I mean it doesnt like "pull" 2 tubes...more like a DC30. I dunno...I cant see why they arent "stock" on the circuit. I havent put mine on HI yet...I've tried it but....havent needed it at a gig. This was the main reason behind me getting this thing in the first place...MANAGEABLE levels with WICKED tone. You know,...I havent really tried it at lo volumes in HI yet. I've only tried it cranked to see just how loud it is. I havent tried much really..I'm still blown away by this stupid thing. The channels have been bridged since you mentioned it Richie...ANOTHER MILLION TONES!!! thanks a LOT! I tried an ab box as a channel switcher but I dont think I'd ever use it that way...the channels are different but not a LOT different. It isnt supposed to be a "switcher" anyway right?...I guess you'd want an extra vol/gain on one channel but then you might as well get an amp with a whole bunch of bells and whistles. I kinda toyed with the idea of adding a ppiv master but nah...Hell I dont even know if the master in this thing is pre or post...must be pre right?
So yeah..in my mind..it isnt a 36watt its an 18watt with double power or HEADROOM switch...which SHOULD be mounted where it's accessable...next time. Hey Richie...what's this vvc? Is it like a little variac or something? Cant be...dont you have to consider bias with a variac? Or is cathode biased different?...or is it totally different than a variac?
There' s some werid stuff happening once in a while...minor...some noises and stuff....still havent put a shielding plate in it and havent even taken it off the cab...I havent tried different tubes, I havent tried a 4-12, I havent tried any other guitars....EVERYTIME I plug into it I get swept away. You know how if you strap on an old ES335, throw in on the neck pup and start wailing, you're gonna be stuck nodding out like sid and nancy in a sustained blues bend for hours...either that or youll be playing red house for about 99 and one half years. Plug in a tele on the neck pup and....or a quacky strat....or a....If I've been playing a marshall then I plug in a clean twin I play DIFFERENT.
I'll sit in front of this thing, try a switch or different settings and I'll be playing the ACDC BOX SET for 5 HOURS....Change it again and it's SRV for hours....Zepplin...Heart...you name it. Not that you set it up and start playing Blackmore licks...you set it up and that stuff just starts falling out. It seems to be able to NAIL so many tones. I've forgotten which one was ME!
I dont think I'll EVER get around with tweeking the circuit...even IF I knew what I was doing. Hell I've never even biased a marshall before

(.
I think today I'll mate it to a 4-12....OR ...should I try first...going into the hotplate then line in to the twin for some reverb....hmmmlet's see which would be heavier...I mean lighter...maybe I'll just fire-it up again first ...to get another benchmark before I start carrying anything heavy around. This amp is ruining my life!!! I have things to DO dammit. Maybe if it wasnt set up in the middle of the living room I'd leave it alone for a while.
thanks for all the info and compliments fellas.