WTB: Decent inexpensive VTVM + alignment question

[Dave]

Hello all - me again!


The votes are in - a digital VOM may be fine as far
as input impedance for aligning receivers, but will
not be very easy to use without an analog indicator
(which mine lacks).

Soooooo - does anyone have a decent VTVM with DC
and RF probe for sale?  Hopefully not too costly!
I have a couple of alignment projects coming up
and I've never done one before, so I better start
with the easier to use VTVM.

Also, when doing an alignment, how do I best replace
weak tubes?  If the receiver is performing poorly
BEFORE the alignment, how would I know if a substitute
tube made an improvement?  If I change tubes AFTER
the alignment, won't the alignment change? I believe
substitution is the best 'test' for a tube, rather
than just testing them in my tester.

Thanks,


Dave WB7AWK
http://www.boatanchors.com

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