[Amps] SB-220 Drive Levels

[Tim Duffy K3LR]

Hi Jeff:

The SB-220 was never designed to generate 1.5 KW output. Running 1.5 KW with
the SB-220 will surely shorten the life of several components!

The SB-220 was designed to run 1 KW INPUT on CW and 2 KW PEP input on SSB.
Which was about 600 watts output for CW. 

It would take 70 to 100 watts to drive the SB-220 to its designed input
power rating.

73,
Tim K3LR

-----Original Message-----
From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com] On
Behalf Of Jeff Carter
Sent: Thursday, January 22, 2009 4:50 PM
To: amps at contesting.com
Subject: [Amps] SB-220 Drive Levels

Can anyone tell me how much drive the SB-220 needs to make 1.5KW?

I've seen several references that 100W isn't enough drive for this
amp.  How much would it take?

Jeff/KD4RBG
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