I’m updating this post not to make people confused. I believed B+ was lower with 5v4g than 5y3. but 5v4g is increasing B+ and makes the bias warmer than 5y3. I guess it is the reason I feel the amps are more alive with 5v4g
then I noticed the vintage amps with the original caps from 50’s and early 60’s are more vulnerable with 5v4g to 60hz hum. I’m just guessing leakage of the coupling caps and the filter caps could be the reason. I’m still enjoying 5v4g with the amps with new components. didn’t have an issue with my 5D3 which has new filter caps either.
one of my 5V4G tubes shows very low B+. the 60hz hum came from it I believe
there are more and better info for 5vg and 5y3 rectifiers on the gearpage.net
I hook up tweed champ, deluxe, and m-track 2×2 together while jamming with youtube. 5v4g sounds still alive with this stereo and digital setup to me. but, m-track 2×2 is cheap and sharing the one single full bandwidth with usb and instrument at the same time. it sounds good while using only one of them. it sucks when the knob is at the center.
it’s the knob on m-track 2×2. don’t buy it if you want to use your guitar amps as monitor speakers while playing guitar through the direct input. maybe I’m just doing this wrong.
I keep checking out the the leather handles since I had some trouble with fender reissue.
the humped handle in the picture came from this company, Industrial Amps it looks very close to the original ones on fender tweed amps. but, the original seemed to have 3 layers.
[udpate] it was 30 something dollars when I found it. and it’s now almost $50.
I once lost my original handle few months ago. then tried Jayco and Fender handle at the time. the first one I got from fender didn’t fit tweed champ like this.
003-6129-049 arrived today. unfortunately, it doesn’t fit either. this 9″ handle from Fender has identical length to the 50’s original. but the slots are not wide enough. but it still better than 099-0945-049. it looks easy to extend the slots.
And, I noticed 003-6129-049 fits the original wide panel tweed deluxe. this tweed deluxe currently has Jayco handle on it. they look almost identical to each other. and, I see the sewing stitches are better on Jayco.
this original leather handle came with a narrow panel tweed champ. I see 4 layers from this side.
the dimensions are like this
overall length 9″ (23cm)
handle mount center to center 7″ (17.8cm)
slot to slot (inside) 6″ (15cm)
and, I’m using this to protect my leather stuff. belts, shoes, and for this old handle as well.
5y3 rectifier tube in my 5F1 tweed champ went dead a month ago. and everything was fine after I put a new 5y3 tube.
then, the same thing happened today. I figured out this 16uf 450V Astron minimite filter cap was the problem.
Sprague 16uf 475v fits Astron Minimite 16uf 450V paper sleeve. my champ sounds firm and clear than ever with this new cap.
You need to strip off the blue shrink cover to put it in the paper sleeve as you can see
Sadly, I’ve lost 2 of these 5y3 tubes from this issue. but still good with the better sounding from this small tweed amp.
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