Tony,
Genuine new Eimac 3-500Z tubes are difficult to garner these days. The same can
be said for Amperex. There are, however, tons of "like" tubes available. One
source is RF Concepts (AKA Alpha) at $135.00 each. Ninety-nine percent of the
tubes are manufactured in China.
I have 3-500ZG "pulls" in my TL-922A and L4-B and they work great. I am sure
you will receive many recommendations. Good luck in your quest. Now I need to
find some GU-74B (4CX-800) for my Alpha 91-B.
Semper Fi,
Tommy - K6YE
DX IS and CW RULES
----- Original Message -----
From: w4foa@comcast.net
To: amps@contesting.com
Sent: Tue, 08 Apr 2014 10:20:44 -0400 (EDT)
Subject: [Amps] Question: Where to buy?
I can't tell you how impressed I am with the knowledge and willingness to help
by members of the Amplifier Reflector. Having said that, I have had some
serious problems with my beloved Amp Supply LZ-500ZB. I will need to replace
the 3-500Z's finals and zener, etc.....as I repair this amp, I would like to DO
IT RIGHT so that I can have another 15 or so years of trouble free operation.
The question right now is are Eimac 3-500Z tubes available and if so, where may
I find them. If not, is there a comparable brand and if so, what brand and
where may I find them.
Thank you for your time and advice.
There will be more questions to follow, I'm sure.
73
Tony, W4FOA
PS: Is there anyone on here that has had experience with the Amp Supply
amplifiers?
Watch your thoughts; they become words.
Watch your words; they become actions.
Watch your actions; they become habits.
Watch your habits; they become character.
Watch your character; it becomes your destiny.
Frank Outlaw
----- Original Message -----
From: "Joe Barnes" <n4jbk@comcast.net>
To: "Amplifier Reflector" <amps@contesting.com>
Sent: Monday, April 7, 2014 11:11:24 PM
Subject: [Amps] Replacing light bulbs in a Command HF2500E
Can anyone tell me how difficult it might be to replace the light bulbs in my
Command HF2500E amplifier? The bulbs that are in there are not nearly bright
enough for my taste, I have heard that the meters are held in place with some
kind of rubber type glue or silicone. Also does anyone know of a direct
replacement L.E.D. for these bulbs? I know that I am asking for a lot but in
this crowd I have seen an awful lot more done with less.
Thank you and 73,
Joe N4JBK
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