Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5

David Bogen Tuner and Amps
#16

It looks like antique electric supply might have suitable twist lock cans for the multi section electrolytic. That would be a labour saver, as they are 20 uF, 20 uF, 10 uF, 10 uF, serving all the decoupling duties for the preamp and other audio stages prior to the output section. The main HT is at 610 v, which Bogen handled with two 30 uF cans in series. They are mounted on phenolic insulator spacers, and have carboard covers, since at least one of them is floating at 300V! These, I'll probably stuff, since close replacements including the insulation won't be so easy to find. The high HT explains the very respectable 35W continuous power output from smaller O/P valves.

I don't hold with furniture that talks.
#17

A lot of things got in the way... but I have finally ordered and received caps. Unhappy with the offerings for (not quite) drop-in twist-locks, I have decided to roll up my sleeves, roll up the can edges and restuff Icon_smile

I don't hold with furniture that talks.
#18

Hello Ed,
Sounds like a plan then you can use the capacitors of your choice what I used 95 % of the time is Nichicon Capacitors.

Sincerely Richard
#19

Rich - That's what I figured... I was able to select carefully for size, Temp and ESR ratings etc. I believe most of the selection was from Nichicon. I trust this brand also.

I don't hold with furniture that talks.
#20

Hello Ed,
yes, I have been using nichicon capacitors since the 1980s Along with sprague and United chemical and there are few other.

Sincerely Rich




Users browsing this thread: 3 Guest(s)
[-]
Recent Posts
Looking for verification of correct schematic.
Definitely 870044RossH — 01:12 PM
12' Philco
Wonder if the chassis was big too.daveone23 — 12:38 PM
Philco 38-2 Automatic Tuning
Hi Ron, I have sent Radio Daze my concerns with the dial so I guess we will see. They used my original to make the repro...dconant — 12:27 PM
Hickok AC51 tube tester
How does the  5W4 and 83 tube filaments get fed?martinj — 12:25 PM
462ron
Hi Dan, your original dial appears to be lighter, easier to allow light through. My original is similar except it’s crac...462ron — 12:07 PM
Philco 38-2 Automatic Tuning
I received my new 38-2 dial. I'm a little disappointed. As you can see in the picture the blues have a white shadow. The...dconant — 11:13 AM
Philco 38-2 Low Volume
I have been playing my 38-2 for a while now and it is doing very well. I did have to replace the 6A8 (osc) as it develop...dconant — 11:03 AM
Philco Speaker Spider
Hello, Does anyone with a 3 D printer make the spiders for those old Philco speakers? That might be a good idea for some...dconant — 09:41 AM
Philco 16B Parts
Hello, I'm looking to buy a 16B but I'm not so sure of what I am looking at. First as seen from the picture it looks lik...dconant — 09:17 AM
Looking for verification of correct schematic.
Klondike98, Thank you. I'll double check that SN and get back to you. GarySP, Thank you for the schematic.RossH — 12:13 AM

[-]
Who's Online
There are currently no members online.

>