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Would that account for the filament transformer with no voltage on the center yello tap that goes to the bias?

You’re welcome Ed, it’s a classic amp and they are sought after. Easy to service, responds well to upgrades, built like a tank. Tom W9TAB

Yes I do. Ed [email protected]> wrote:

Thank you much, Steve! Scott

Those are fibre washers, Scott. A little difficult to find but probably available. The panel is easy to remove. Keep track of which knobs have no setscrews and return those to the same shafts

Replacing that panel is pretty easy, just don’t lose those spacers. Of course you need to remove all of the knobs, and the 4 slotted screws on the corners, but that’s pretty obvious. The clear

I am now putting together a T4XB and R4B twin station....and I paired it with a NOS Shure 444D. Looking forward to operating some old school. 73 Scott N1IA

Hello, I have chance to get a new T4XB front panel to replace the one I have which is scratched some. Is it difficult, and what should I watch out for?? I have the bottom cover off for another reason

Ed......Do you still have the original owner's manual?? ....Dave

Well sometimes a break from the task and coming back with fresh eyes helps. ?I didn’t realize it but my function switch was on x-CE closing my transmit relay. I had the radio upside down and never

I resurrected this thread because I've got a couple of nice TR-3s? with not so good soup can xtal filters.? I also have a wrecked TR-4, mid to early production, with the single filter box.? I think

Is there an approved or recommended procedure or do I have to wing it. Thanks George K4MLB

Thanks Tom. I like that number! Ed [email protected]> wrote:

If it’s in 100% condition I would ask $1200 Tom W9TAB

Steve, Unfortunately (or fortunately in my opinion) my stove and dryer are gas appliances so no 240 outlets here. I really dont want to mess with wiring or rewiring it so I will take it to someone for

IF the grid? shunt has opened up, ( or anything else in the path) there is no path for DC grid current.? ?The amp can not be driven....and the power output will be zero.? Input swr between? xcvr

That price is valid for an L-4B that is cosmetically decent and which works well. It doesn’t have to be a museum piece but it must work well with at least 1100-1200W out with the switch set to

Thanks. Yes I do have the manual, but I think I will opt for taking it to someone else with amp experience and 240 to check it out. Ed [email protected]> wrote:

I have one that I bought about 6 or 8 years ago .? I paid $ 1000 for it and it works fine.? Saw a few at hamfests over the last few years and they seem to go for around the same price.? That was?