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Discussion in 'Amp Central Station' started by ce24, Jun 3, 2020.
Yes, all the circled, plus the other blue, plus the big tan ones on the left.
Yeah, the filter caps correct.....? thanks for chiming in Corliss!
Im going to document this with pics....should give you professionals a chuckle.
Ok, i have found everything i need at tubes and more antique supplies
EXCEPT FOR the two bias caps and the one bypayss cap.
From left to right in the pic is the bypass cap valued at 150uf/16V
Next bias cap 68uf/63v, other bias cap at 8uf/250v.
What would replacement values be for these.
These seem weird values, but what do i know?
thanks For the help.
Looks like mouser stocks these. Suprised antique supply didnt..... Although antique has them with higher voltages... Higher voltages are ok correct?
Close as you can get in uF - higher voltage is always fine, just don't want to go lower.
Thanks corliss.....C26 v5b shows 125uf whats in there is 150uf. Im learning romread schematics! Lol.
Parts are ordered! Yaaay! Ill be able to play this at our next gig...!
I did a few Plexi mods to my YBA-1 right after I bought it. It's a '71 and still had it's original electro!Lydia so I did the kids while I had It open for servicing. I love the pop too lid. I was in and about unless than an hour and the amp smokes the 1959SLP and 2266 I had.
Les Paul straight in just after I modded it. It was early on a Saturday and it was 26 degrees where I did the work so my fingers were damn near frozen.
Here's one with a MIM Tele and a SD-1 set clean with it's volume around 5 just like I used with my real Plexi that didn't nearly as good as the Plexified YBA-1.
excellant Video !
I remeber seeing the YB1 in vancouver pawn shops for next to zip and I was too uninformed at the time or I would have scarfed up every one I could get my hands on , Yep Im jealous!
Before I go Plexi on this,I'm just going to service it to original. Play it for a while get use to it tones. Apparently it already sounds close to a Plexi. I read that on the internet...lol.
Mmmm...mustard caps! Don't replace those...
I have a YBA-1 too.
If you mean the yellow box caps they are staying.
The only parts i could tell were replaced were the filter caps and the yellow sozo and the black cap right next to it.....Of course i only have the video paused to have a look.
Traynors are really cool amps...only thing I never liked about them is...they are loud as hell, but you are at full volume on 3. Don't get any louder after that. At least the ones I have played/owned.
I'm talking about the darker yellowish tubular caps...kinda like grey pupon mustard (on the circuit board, not circled). Those are the real deal "mustard" caps that are found in old Marshalls.
After your honeymoon period with this amp you may wish to tame it down with a "LarMar" post- phase inverter master volume. It works great and by turning it all the way up it's completely out of the circuit
So thats a different MV? It has a MV that seems to work great.
Thanks for replying.
My bad...It does have a pre-PI MV built in. I can't remember..is this a 45W or a 90W? Either way, adding the additional MV may be something to entertain down the road.
No reason to fix what ain't broke.