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Re: [Amps] Over running modulation /AF transformers

To: "Barry Kirkwood" <barry.kirkwood@gmail.com>,<amps@contesting.com>
Subject: Re: [Amps] Over running modulation /AF transformers
From: "jeremy-ca" <km1h@jeremy.mv.com>
Date: Sat, 10 Nov 2007 18:57:20 -0500
List-post: <mailto:amps@contesting.com>
Well, limiting may be a limiting factor; pardon the pun. Since I'm going to 
be using some audio processing and negative peak limiting my average power 
will be up a fair amount. Im also going to be boosting the bass a bit since 
my voice lacks lows and Im aiming for a solid AM sound.

I'll be happy with 30-40% over ratings as long as I can keep it from 
overheating and it doesnt add distortion. Im just starting to read up on 
audio transformers and relearn things I forgot decades ago.

Carl
KM1H




Carl
KM1H


----- Original Message ----- 
From: "Barry Kirkwood" <barry.kirkwood@gmail.com>
To: <km1h@jeremy.mv.com>; <amps@contesting.com>
Sent: Saturday, November 10, 2007 4:10 PM
Subject: Over running modulation /AF transformers


> Usually easy. First limiting factor is power at lower audio frequency.
> If for speech only, simply ensure a falling frequency response below
> say 800Hz, with lots of attenuation below 200Hz or so.
> 73
> Barry ZL1DD
>
> -- 
> Barry Kirkwood PhD ZL1DD
> barry.kirkwood@gmail.com
> 

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