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Re: [Amps] 12V IM3

To: AMPS <amps@contesting.com>
Subject: Re: [Amps] 12V IM3
From: Alek Petkovic <vk6apk@bigpond.com>
Date: Sat, 23 May 2015 06:46:10 +0800
List-post: <amps@contesting.com">mailto:amps@contesting.com>
You all live in areas of high ham population.

Come to Western Australia where its hard enough hearing the the primary signals. You never hear any IMD products.

The bands are clean and uncrowded here. :-)

73, Alek
VK6APK

On 23/05/2015 2:23 AM, Mike Waters wrote:
Well stated. However, at the risk of sounding pessimistic, I think that's
wishful thinking.

What bugs me is that most (if not all) SS amps that are overdriven generate
considerably more IMD than most tube amps would if overdriven by the same
amount.

I can pick out an overdriven SS amp almost as soon as I hear the signal.
And when we tune 3 kHz away and the signal is still fairly strong, there's
almost zero doubt that there's an SS amp behind that trash.

I think most people on this list know exactly what I mean. But I don't
think there's a single thing we can do about it.

73, Mike
www.w0btu.com

... The band will not get better until the signals get clean.
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