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Re: [Amps] YAESU QUADRA Line Voltage Question

To: Richard Solomon <>, "" <>
Subject: Re: [Amps] YAESU QUADRA Line Voltage Question
From: peter chadwick <>
Date: Sat, 14 Jun 2014 23:18:48 +0200
List-post: <">>
Interesting question. Most ETSI Standards (applicable in Europe and a fair bit 
of the Far East) require operation meetings spec for mains voltage +/- 10%. BUT 
the standard for commercially available amateur radio equipment has no 
requirement.......How that got through, I don't know. Maybe I should ask the 
Chairman of ETSI ERM TG26, who works for Icom.....

I'd suggest a bucking transformer.


Peter G3RZP

 Message Received: Jun 14 2014, 07:37 PM
 From: "Richard Solomon" <>
 To: "" <>
 Subject: [Amps] YAESU QUADRA Line Voltage Question
 Back to thinking about getting a YAESU QUADRA, but the
 Line Voltage problem is bugging me again.
  YAESU puts an Abs Max spec on the Line Voltage at 240 VAC,
 anything over that and nasty things can happen.
 But, our line voltage spec here is 240 VAC +/- 5% and my line
 typically runs over 240 VAC.
 So, the answer seems to be some kind of Buck/Boost Xfmr or
 Line regulator.
 What do folks that own a Quadra do ??
 73, Dick, W1KSZ
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