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[Amps] ALPHA 77

To: <>
Subject: [Amps] ALPHA 77
From: (Steve Thompson)
Date: Mon, 5 Aug 2002 07:30:06 +0100
-----Original Message-----
From: Guillermo <>
To: Phil Clements <>
Cc: Amplificadores Lineales <>
To: <>
Date: 05 August 2002 02:39
Subject: Re: [Amps] ALPHA 77

> When I tune an 8877 amp, I tune everything for maximum power out.
> I then tweak the PA loading cap slightly to give a needle-width decrease
> on the wattmeter. I need to see the grid current at this time to make sure
> it goes down and not up when making this adjustment. This slight reduction
> in suds makes a nice increase in clean.

I've read in a book to decrease output nearly 2% (may be the same
thing) to achieve better linearity, but, do you increase or decrease
capacitance of loading control?.
Decrease the capacitance, so the resistance at the anode gets lower.


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