[Milsurplus] 991 neon lamp

[Meir WF2U]

Of course the BC-348 is using the same 991 for voltage regulator.
Interesting that the Russians used a standard, octal VR type tube (Russian
SG-2S, 72 V firing voltage) for regulating the local oscillator voltage in
their US-9 receiver, which is the clone (with some improvements) of the
BC-348R.

73, Meir WF2U
Landrum, SC


-----Original Message-----
From: milsurplus-bounces at mailman.qth.net
[mailto:milsurplus-bounces at mailman.qth.net] On Behalf Of John Hutchins
Sent: Saturday, January 16, 2010 2:07 PM
To: milsurplus at mailman.qth.net
Subject: Re: [Milsurplus] 991 neon lamp

All -
Yep nothing like the hum.... of a dynamotor and the pink glow of the 991 
lamp to give your old warbird radio a heart.
It also lives in the LM Frequency meter set.
Hutch

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