Were There Different Runs Of The 40-190?

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Were There Different Runs Of The 40-190?

Pepperoni
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Posts: 160
Threads: 42
Joined: Apr 2011
City: New Port Richey State, Province, Country: Florida

#1

09-23-2011, 04:51 PM

I have a 40-190 that is running a 5Y3 rectifier and an aftermarket power transformer that is under rated even for the 5Y3. I can fix all of this.

But all the Riders and Beitman schematics I'm looking at show a 7J7 Det.-Osc. tube. Mine has a 6J8 in it and everything associated with it looks original. Is the 6J8 original and is there any schematic showing it? A lot of different connections and component differences between the two.

Thanks,
Pepper

"It's Nice To Be Nice To The Nice"
Major Frank Burns Mash 4077th

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Messages In This Thread

Were There Different Runs Of The 40-190? - by Pepperoni - 09-23-2011, 04:51 PM

Re: Were There Different Runs Of The 40-190? - by Glenn Roberts - 09-23-2011, 05:55 PM

Re: Were There Different Runs Of The 40-190? - by Pepperoni - 09-23-2011, 06:33 PM

Re: Were There Different Runs Of The 40-190? - by Arran - 09-24-2011, 02:13 AM

Re: Were There Different Runs Of The 40-190? - by Pepperoni - 09-24-2011, 03:10 PM

Re: Were There Different Runs Of The 40-190? - by codefox1 - 09-24-2011, 04:09 PM

Re: Were There Different Runs Of The 40-190? - by Pepperoni - 09-24-2011, 09:44 PM

Re: Were There Different Runs Of The 40-190? - by Arran - 09-25-2011, 10:59 PM

Re: Were There Different Runs Of The 40-190? - by Pepperoni - 09-26-2011, 12:14 PM

Re: Were There Different Runs Of The 40-190? - by Ron Ramirez - 09-27-2011, 07:21 PM

Re: Were There Different Runs Of The 40-190? - by Pepperoni - 09-27-2011, 07:40 PM

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