Search found 31 matches

by rdavy
Tue Jun 03, 2025 10:42 pm
Forum: Dumble Discussion
Topic: Contour/cut control - useless?
Replies: 7
Views: 2906

Re: Contour/cut control - useless?

Is it possible you have the pot wired backwards, considering it is an audio taper pot?
by rdavy
Sat Mar 29, 2025 1:10 pm
Forum: Dumble Discussion
Topic: Steel String Singer #005 build
Replies: 100
Views: 22854

Re: Steel String Singer #005 build

This is the kind of lead dress that makes me want to get better. Absolutely beautiful!
by rdavy
Wed Feb 26, 2025 11:18 pm
Forum: Fender Discussion
Topic: Bringing life back to a 1969 AB763 Twin Reverb Amp
Replies: 33
Views: 7484

Re: Bringing life back to a 1969 AB763 Twin Reverb Amp

The 5uf cathode bypass cap on V5B allows for quicker reaction of changing the speed of the trem effect, whereas the 25uf causes the change of the speed to react slower as you turn it.
by rdavy
Mon Feb 03, 2025 10:01 pm
Forum: Garage Talk
Topic: Tariffs on Mouser
Replies: 4
Views: 2974

Re: Tariffs on Mouser

Yeah, just noticed this on my parts order from them yesterday. It applied to the Yageo resistors and Panasonic ECQ caps.
by rdavy
Wed Jan 01, 2025 11:49 pm
Forum: Trainwreck Discussion
Topic: How stable can you get an Express?
Replies: 21
Views: 6712

Re: How stable can you get an Express?

A grid stopper in front of the first gainstage adds hiss. I prefer a 100pf from the anode to the cathode instead. Remember these amps were designed for high capacitance cables that lowers the treble peak of the pickups into the mids I had a 22K grid stopper on the first triode and had quite a bit o...
by rdavy
Sat Oct 19, 2024 8:50 pm
Forum: Dumble Discussion
Topic: Santa Cruz Sound 100
Replies: 8
Views: 2033

Re: Santa Cruz Sound 100

jabguit wrote: Sat Oct 19, 2024 11:08 am that guy...... :?
Yeah, that's Johnny. He's a local yokel, bit of a character.
by rdavy
Sun Sep 22, 2024 10:01 pm
Forum: Garage Talk
Topic: I broke a tube with hand pressure!
Replies: 4
Views: 3067

Re: I broke a tube with hand pressure!

First-time club: I pressed down with my thumb to make sure this tube was seated properly. It broke like the glass was made of sugar! It took two minutes for the white cloud to appear on the glass. IMG_4083.jpg Who makes that tube? Must have been a manufacturing defect. I usually try to cup the top ...
by rdavy
Sun Sep 08, 2024 12:31 pm
Forum: Vox/Hiwatt Discussion
Topic: Interesting experience with Hiwatt phase inverters
Replies: 4
Views: 8485

Re: Interesting experience with Hiwatt phase inverters

Thought I would pass this along - I stumbled upon the 3 very informative Hiwatt DR-103 videos by Steve Fryette. They are pretty long but it was worth the time to study them. He tells of his favorite version of the last gain stage and DC coupled bias regulator triode. What is revealing is when he do...
by rdavy
Thu Aug 22, 2024 12:27 am
Forum: Fender Discussion
Topic: Silverface Princeton Reverb, what are correct original speaker types?
Replies: 13
Views: 6602

Re: Silverface Princeton Reverb, what are correct original speaker types?

Everything I have tried from Warehouse Guitar Speakers has been solid. I would suggest the G10C.
https://wgsusa.com/collections/american ... c-75-watts
by rdavy
Sat Mar 09, 2024 7:25 pm
Forum: Technical Discussion
Topic: Tweedle Dee PI - LNFB and trimmer
Replies: 38
Views: 6610

Re: Tweedle Dee LNFB

Also keep in mind, the 1 Meg grid leak resistor is 10 Meg in the Tweedle Dee.
by rdavy
Sat Mar 11, 2023 1:41 pm
Forum: Fender Discussion
Topic: Deluxe Reverb, one channel, no tremolo
Replies: 40
Views: 15075

Re: Deluxe Reverb, one channel, no tremolo

Yeah, it's pics like that one that make me wanna build yet another amp :lol:
Looks fantastic!
by rdavy
Sun Mar 05, 2023 5:08 pm
Forum: Fender Discussion
Topic: Deluxe Reverb, one channel, no tremolo
Replies: 40
Views: 15075

Re: Deluxe Reverb, one channel, no tremolo

I'm curious how you're going to label the faceplate. Love the curly maple!
by rdavy
Sat Mar 04, 2023 12:08 am
Forum: Garage Talk
Topic: RIP David Lindley
Replies: 6
Views: 1369

RIP David Lindley

https://claremont-courier.com/latest-ne ... -78-72983/

Huge inspiration for a lot of us here.