en Fender tweed deluxe 5D3 b+ voltage with a few different rectifier tubes

Updated on May 25, 2019 | 509 Views all
0 on May 25, 2019

377V with Bendix 6106 5y3wgt which has purchased as NOS and less than 1 year old

366V with Hytron 5y3wgt which is many many years old

369V with GE 5y3gt less than 1 year old

393V with GE 5v4g which I purchased as NOS and less than 1 year old

396V with RCA 5v4g as NOS and less than 1 year old

370V with another Bendix I have purchased as slightly used condition a couple of months ago

btw, I recently scored this Bendix for $25 off ebay. but it just killed my 5F1’s fuse and the B+ is only 266V with 5D3. not every single Bendix lasts like forever

and, figured out why I had 60hz hum with this 5v4g. this one shows only 307v. I’m going to update the 5v4g thread

 

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  • en modern 5F1 with Boothill kit and Mergili cabinet

  • found this nicely built 5F1 with 10″ WGS speaker in Mergili cabinet on Ebay while I was in search of the parts for my first 5F1 build. grabbed it off for very good price and I’m changing the components and wires one by one like the filter caps, bypass caps, speaker wires along with the plug.

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    there are few tweed amp inspired cabinets around. and it’s the first cab I like except for the original ones. this cabinet sings with WGS ceramic speaker. I’ve been biased toward vintage Jensen alnico speakers so far. and this speaker changed it a bit

     

    the orange filter caps are Roederstein 33uf 450v which replaced the stock caps from the kit. I didn’t know the limit of 5y3 and was brave enough to put two of them on it. then realized the rectifier was too hot and went to 33+10+10.

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    this 5F1 is dead quiet and the filament wiring is a bit different to the original champ. I’m trying to figuring out it. nothing is easy with the electric stuff even 5F1 is this simple.

    I’ve got some NOS Sprague black beauty caps 15 years ago and tried it on this amp. I expected something vintage with them. but I’ve learned they are not useful as the coupling caps. they were good as the guitar tone caps. but they dramatically reduced the output volume regardless of the values. realized why my 18watt replica’s output volume was that low 15 years ago today. I’m still wondering why anyway. 

    [update] the sprague caps I put on this amp had twice high capacitance than the marking. I couldn’t find any 0.02 and tried 0.03 but they actually were over 0.05. higher capacitance changes the frequency and reduces the output volume as I learned from them. and NOS caps need time to break in. they sound getting louder for the last few days

     

     

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    it’s my tweed deluxe 5d3 with Astron cap paper sleeves with Sprague caps inside. TE-1207 for 25uf 25V. and, 16uf 475V for 16uf 450V. I’m still after one more Astron 16uf 450V cap or sleeve. but even dead astron caps are not cheap on ebay. I tried it but the ending price went way further than I expected.

     

    this 5d3 is getting closer to the original shape with the restuff filter caps. the correct switchcraft 1/4 phone plug and 18awg Gaviitt cloth wire are coming to me as well.

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  • recently got me a 5F1 champ cabinet for 10″ speaker from this guy. the quality is great indeed. I’ll update with some pics after I finish the amp inside of the tweed cabinet. a friend is playing his tweed champ with 12″ speaker more than the stock 8″. I’m going to start with WGS 10″ ceramic speaker which came with the cabinet. 
     
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