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[Amps] SB-200 ratings

To: <>, <>
Subject: [Amps] SB-200 ratings
From: "jeremy-ca" <>
Date: Wed, 15 Aug 2007 15:58:11 -0400
List-post: <>
Its more complex than just drive power Lou.

The 572B is rated at 50W drive per tube in typical ICAS operation.  It is also 
rated at 250 ma Ip and 50 ma Ig per tube. The SB-200 manual states to increase 
drive until 500 ma Ip is reached; it says nothing about slamming it right off 
with 100+ W.

How often do you reduce drive to stay within those ratings?
Ive had as much as 900W out on 6M with a new set of Chinese tubes at 100W 
drive. All that does is hurt the tubes as well as stress the PS.

  ----- Original Message ----- 
  To: ; 
  Sent: Wednesday, August 15, 2007 1:47 PM
  Subject: Re: [Amps] Amps Digest, Vol 56, Issue 20

  In a message dated 8/15/2007 1:13:24 PM Eastern Daylight Time, writes:

    There is no need to go ugly if the SB-200 is run within the tube ratings 
    not overdriven as usually is the case
  Is an SB-200 overdriven with 100 watts?  Lou

  Get a sneak peek of the all-new
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