No SB-220 kit was shipped with a 3-400Z. The original tubes were Eimac
graphite 3-500Z's
Many HL-2200's were purchased at the various Heathkit stores with 10M once
the buyer showed his license. I moonlighted building many for 2 of those
stores. These were mostly built on "spec" in advance of sales. Customers
could also order a HL-2200 kit with the 10M components from the stores.
The SB-1000 was the single 3-500 amp. It was built by Ameritron as a
slightly cheapened version of the original AL-80. Ameritron still has some
replacement parts.
Carl
KM1H
----- Original Message -----
From: "Edwin Karl" <edk0kl@centurytel.net>
To: "Amps@Contesting.Com" <amps@contesting.com>
Sent: Monday, November 30, 2009 4:10 PM
Subject: [Amps] SB-200/ SB-220, HL-1000 etc
>
> The SB-220 had (has) 2,3-500s in it, actually in the before time
> I believe it had 2,400s but I may be wrong on that. Covered 80-10
> meters. The SB-221 had the same compliment but did not cover 10 meters.
> The SB-200 had (has) 2-572s in it, likewise covered 80-10, the SB-201
> did not cover 10 meters.
>
> Now the HL-1000 (I think that's the number) had a single 3-500 in it.
> I believe it came out with the newer brown cabinet style. Also had
> a standby function, I think the 2 tuber was an HL-2000 with 3-500s.
> Unsure on that number. The cabinets were more stylish and were brown.
>
> To add standby to an SB-200 I replaced the output meter power control
> pot to one with a push pull on off switch. On my SB-220 I added a new
> metering switch with an extra position and used the second wafer to
> open the keying lead. Always bothered me to turn these things on and
> off when using the exciter to adjust the antenna matcher. Didn't want to
> cut the cabinet.
>
> Best of the holiday season to all
>
> ed K0KL
>
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