[Amps] 8877 Amplifier Photos

[Jim W7RY]

It's just a standard 10 turn 10K ohm linear taper pot. The gears are sized 
is so I have 30 turns available on the vacuum caps.

73
Jim W7RY



--------------------------------------------------
From: "Hsu" <hsu4qro at gmail.com>
Sent: Friday, March 02, 2012 12:14 AM
To: "Jim W7RY" <jimw7ry at gmail.com>; "AMPS" <amps at contesting.com>
Subject: Re: [Amps] 8877 Amplifier Photos

> It seems use a pot  anda  digtal pannel meter as  counter is that right?
> What POT do you use?I 'm designing my big amp what used a 4CX5000R, I
> use a long life Plastic Pot( 30 million times) and LCD pannel meter.
>   73!Hsu
>
> -----原始邮件----- 
> From: Jim W7RY
> Sent: Friday, March 02, 2012 2:40 PM
> To: AMPS
> Subject: [Amps] 8877 Amplifier Photos
>
> I have just posted many more pictures of my homebrew 8877 amplifier on 
> Photobucket:
>
> http://s900.photobucket.com/albums/ac206/w7ry/8877%20Amplifier/?start=all
>
> The amp is patterned after the K8RA design that has been in the handbook 
> for a number of years. I used a switched tuned input board by WD7S. I also 
> used his amplifier control board and his high voltage board as well.
>
> Let me know if you have any comments or questions.  1500 watts + on all 
> bands with about 30-40 watts of drive with 4000 volts on the plate.
>
> 73
> Jim W7RY
> _______________________________________________
> Amps mailing list
> Amps at contesting.com
> http://lists.contesting.com/mailman/listinfo/amps