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Was reading up on cathode bias and plate resistance for V1 in Marshall-style amps and the Engl Fireball is frequently mentioned as the amp that takes the distortion channel design to its' Apex. Supposedly there's a 3.3k/330k value going on that gives it a "fire-breathing" tone. Well I tried it...

Want to gift as friend who has 78' Silverface Twin, we both came to conclusions there's something special going on with these speakers inside of a Silverface Twin Reverb. Miiiight consider something equivalent, but haven't heard anything in the 65w range that takes the spot quite like the...

Foolish me, but I installed what had believed to be a pristine 10 year old CE Cap Can that has been stored in a dry, cool place for past decade. failed somewhat dramatically 2 days ago. Installed in my 1968 Traynor YBA1 that I recapped myself with F&T 50/50s across the board, also 10 years ago...

Just replaced the filter caps with a CE 80, 40, 30, 20 multi cap can in this 68' YBA-1 primarily to have it all moved away from the input section where installed from factory. I have some high gain mods and I'd like to keep it as noise-free as possible. I got it all wired up and i realized...

Finally ready to move to a Type 3 to a LarMar Master Volune in my Traynor YBA1. Don't hate the type 3 it does the job admirably without drama, but still somewhat fizzy at low volume, can't help but wonder if I could do better. I think others have used LarMar on their YBA1 to great effect and I...

Got hooked on RobRobinette's site lately as the guides basically share a lot of info with my Traynor YBA-1 amp. Having some success following guide and modifying my 68' Traynor YBA-1 lately. Voiced a lead channel, tweaked the voicing a bit and it sounds so much better suited for guitar now...

As the title says, for a 68' YBA-1 what are the limits of the type of rectifier tube that can be added? It's got an extra 5v tap on the original transformer. I've tried the wire-round resistor in series but it has a weird, non-linear ripple effect with heavy volume and not a lot of sag even at...

Have the Angry Charlie, love it so much that when I briefly owned the Bogner Red I decided to immediately give it the boot because the AC was just that good - and it had more gain on tap than the 'Red' past the 2 o'clock mark. Also very similar sounding, which was surprising. But the Burnley...

Anyone ever have the pleasure of comparing the two? I finally have the Jouster along with its' leaner brother, the Jester. Actual full-voltage 12AX7 preamps in the form of pedals (as well as the humongous footprint size to sport it all). I can get girthy, 3D gainy sounds all day almost like a...

Have 67 or 68' Yba-1. Love it. Changed out some things: 1M volume pots. 47uf cathode bypass cap @50v, Xicon brand .022 tonestack change .1 to .022 presence control (done by accident but removed lots of fizz and retained some usability) 50k neg feedback loop 22k 2w between screens &...

Have had my 67" Yba-1 for awhile now and have only changed out the pots for volume I and volume II. It brought the amp right into the sweet spot and really sounds like a "guitar' amp now. However, it sounds a little 'immediate' even with my Alnico II pups in my les paul. It feels like it could...

Story: Friend has a bass amp that is most likely in need of some replacement caps. I'm aware that transistor based amps run at lower voltages and higher amperages and there seems to be more caps per quote than their tube-based counterparts. It's an Ampeg SVT 350 AV (anniversary edition) or...

So I'm working on my lil' 5w class A El84 for and amp about to order some caps and whatnot to get the thing going and I couldn't help but feel (as I looked over to the other side of the room) that my poor 67" Yba-1 wants to have some updated components too. Now just for the record - The amp is...