[Amps] Current draw at 110 volts for SB-200 and SB-1000

[Gary Smith]

The sb-220 will run on 110v but you will see your house lights dim and you will see the hi voltage on the amp sag and swing all over the place.

Heathkit did advertise you could run it on buck and a dime (110v) but they didn't tell everybody that you'd being paying the price one way or the other.  Recall a fellow who did run one on 110v, you could tell when he was hitting the mike hard . ALL of the lights in his house dimmed and brightened.

And the amp's efficiency was way down also.

Wire it up, try it out see what gives.

My .02,
73
Gary

snip 
  ----- Original Message ----- 
  From: Martin J. Morgenbesser 
  To: amps at contesting.com 
  Sent: Thursday, December 02, 2004 5:20 PM
  Subject: [Amps] Current draw at 110 volts for SB-200 and SB-1000 


  I'm thinking of acquiring an SB-200 or SB-1000.

  While I realize that it's preferable to power the SB-200 and SB-1000 amps 
  from a 220 Volt AC line, I don't currently have 220 service in my shack. 
  What I do have is a 110 Volt 15 Amp line.

  My transceiver, lights and laptop together draw maybe 5 amps from the line, 
  so I wouldn't want the amp to draw more than 7 or 8 amps.

  In your experience with these amps, how much RF power out can I run them at 
  while keeping the amplifier's 110 volt AC line current draw below 8 amps?

  Eventually, I'll probably install 220 service in the shack, but I want to 
  know if I can use these amps in the interim with only a 110 volt AC line.

  Perhaps I should be looking at the Ameritron AL-811 amps which are rated at 
  8 amps of AC line current draw for 110 volt service?

  Your thoughts and suggestions will be greatly appreciated.

  73 de W7MJM

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