[ARC5] [Milsurplus] SCR-183 BC-230 Transmitter, "Cheap Tubes."

[Andy]

Hi Dave,

I have 3 units that would likely do well. One is perfect with tubes...
The other two are tubeless...
I would appreciate any notes/info that you can provide.
73 de Andy W5ACM


-----Original Message-----
From: milsurplus-bounces at mailman.qth.net
[mailto:milsurplus-bounces at mailman.qth.net] On Behalf Of David Stinson
Sent: Sunday, March 31, 2019 11:53 PM
To: ARC-5 <arc5 at mailman.qth.net>; milsurplus at mailman.qth.net
Subject: [Milsurplus] SCR-183 BC-230 Transmitter, "Cheap Tubes."

Been playing-around with the BC-230 again, looking for more cheap tubes that
can be substituted for those the "Golden Ear" (and Golden Wallet) crowd
kidnapped.

Before I go to the effort to write this up, please tell me truly if anyone
really wants to read about this way-under-appreciated rig.

Video of nice clean keying with 6S4 tubes and regulated 300V.
3535 KC, MOPA, B+ keyed, 100 pFd series matching capacitor, delivering 8W
into a 50-ohm load.  Had a nice QSO this evening.
"Don't be hating" on my bench mess;
prototyping is a messy business.

https://photos.app.goo.gl/8woVgM1j7PoQYtKL9

GL OM ES 73 DE Dave AB5S


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