Mike,
The QSK unit is much more expensive than a vacuum relay but has the
advantage that it's easy to install and you can use it with any present and
future amp. If you're are reasonably handy with your soldering iron go for
the vacuum relay. I did this mod on my SB-220 and it has worked flawlessly
for over 15 years. Good luck!
73 Bert, VE3OBU
-----Original Message-----
From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On
Behalf Of mike kendall
Sent: Saturday, July 29, 2006 1:53 PM
To: Bert Almemo; Gudguyham@aol.com; amps@contesting.com
Subject: Re: [Amps] Ameritron Amps
Bert,
The only other option I can see is to drop 360 dollars on the Ameritron
QSK switch. Years ago, I owned one of these. I had a momentary VSWR
problem on my AL-80A and it blew the fuse on it. I called Ameritron and
they told me to pull some bulbs from my christmas tree lights and solder
those in place of the fuses and it worked. I could see them start to light
up as the VSWR climbed. It would probably be OK for the output of the
ALS-600 but it is alot of money to drop on fixing a problem with an open
relay. They have an external unit that will work.
73,
Mike
Bert Almemo <balmemo@sympatico.ca> wrote:
Hi Mike,
IMHO, it seems a little slow, especially if you're going to run QSK. Check
www.mgs4u.com for fast and reasonably priced vacuum relays. Good luck!
73 Bert, VE3OBU
-----Original Message-----
From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On
Behalf Of mike kendall
Sent: Saturday, July 29, 2006 1:02 PM
To: Gudguyham@aol.com; amps@contesting.com
Subject: Re: [Amps] Ameritron Amps
OK,
Now an email about my ALS-600. I just took it apart as I am motivated to
finally get around to replacing the relay with a Gigavac. Upon taking it
apart (for the first time) I heard something rattling around inside it.
When I took it apart, I saw a U shaped piece of wire with a cold solder
joint on one end, ugh! Upon further inspection, I was relieved to see it was
just a jumper accross the 35ohm power divider resistor and I am lucky
nothing shorted out.
I think I will go with a Gigavac "G12SP Ham". It has a rated make time of
15ms and break time of 9ms. Any comments on wether this will still
"hotswitch" would be most welcome. I use an Icom706MKIIG with it and have
not a clue the rise time of the transmit envelope or the miniture relay
times inside of it. It looks like it will barely fit inside. They have
another relay with 6ms on/off times but it is SPST. Here is a link for the
Gigavac:
http://www.gigavac.com/products/relays/ham/index.htm
Best Regards,
Mike Kendall
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