[Amps] Drive attenuation + NFB in 8877 amps

Leigh Turner invertech at frontierisp.net.au
Tue Jul 3 18:13:41 PDT 2012


That's right Don; and combining the requisite drive power attenuation with
some NFC imparts several benefits; especially so with multiple paralleled
tube amplifier configurations.

Leigh
VK5KLT


-----Original Message-----
From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com] On
Behalf Of donroden at hiwaay.net
Sent: Wednesday, 4 July 2012 12:14 AM
To: amps at contesting.com
Subject: Re: [Amps] 8877 Plate Voltage

Properly designed, you will have both......

Don W4DNR



>> I think that if you put a resistor in *series* with the cathode circuit
>> (rather than an attenuator) this would provide NFB...
>>
>> Mike G8TIC
>
>
> Which is what I meant, I used "pad" in a very generic way which seemed to
> confuse someone.
>
> Carl
> KM1H

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