[Amps] 8877

[AB2E Darrell]

That's great Kim.
I sold my Henry 3K-Ultra back in 2016, and it had the same final.
Should maybe have kept it but it was a bear to move.
73 Darrell AB2E


________________________________
From: Kim Elmore <cw_de_n5op at sbcglobal.net>
Sent: Monday, January 24, 2022 10:55 PM
To: AB2E Darrell <ab2e at hotmail.com>
Cc: amps at contesting.com <amps at contesting.com>
Subject: Re: [Amps] 8877

Fortunately I have a spare 3CX1200A7!

Kim N5OP

On Jan 24, 2022, at 9:48 PM, AB2E Darrell <ab2e at hotmail.com> wrote:


Hi Kim,
Better sit down then LOL.
P17 of the Feb QST, the AL-1200 w/Eimac tube is $6000 !
Guard that tube!
73 Darrell AB2E


________________________________
From: Amps <amps-bounces at contesting.com> on behalf of Kim Elmore <cw_de_n5op at sbcglobal.net>
Sent: Monday, January 24, 2022 10:40 PM
To: amps at contesting.com <amps at contesting.com>
Subject: Re: [Amps] 8877

Holy high voltage!!! $7k for an AL1500 with an 8877?! I have an AL1200 that I got cheap several years ago.

It needed some work and in the process I installed Ameritron’s QSK-5 PIN diode QSK switch. The AL1200 isn’t as easy to drive as the 1500, so I changed a primary tap, added more filter capacitors to the string and so  increased B+ to about 4 kV no-load. A few other changes followed but nothing crazy. It’s much easier to drive, now. Overall I guess I have less than $2k in it. But even that amp is now $6k!!

The last time I paid attention, the AL1200 was about $4k and the AL1500 was a bit less depending on the tube. But I haven’t been monitoring the pricing. When did they get so expensive?

Kim N5OP





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