Quote:
Originally Posted by Station X
Very good. There is a D suffix model then. I know that the circuits of the 9R-59DE and 9R-59DS are identical because at one time I had the user manuals for both sets and I compared the diagrams in the manuals.
I think the 9R-59D must use the same circuit.
There were some minor differences between sets. My DS model came with a wired up socket for a voltage stabilizer, but other sets had a vacant hole in the chassis.
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This set has the extra valve fitted for the stabilisation of the power, normal set has 8 valves this one has 9 ,.Phil said it was nothing to do with the power for the receiver.