[R-390] Audio Signal Generator question
Glen Galati
[email protected]
Thu, 29 Aug 2002 17:10:44 -0700
I'M DEFINITELY A "DOUBTING THOMAS" ON THAT ONE!
I'd surely have to have a peek inside. There were some upgrades in the
tubes as I've ben inside a bunch of these units.
73,
Glen Galati, KA7BOJ
TACOMA, WA.
Hope everyone has a SAFE & ENJOYABLE LABOR DAY WEEKEND!
----- Original Message -----
From: David Wise <[email protected]>
To: R390 (E-mail) <[email protected]>
Sent: Thursday, August 29, 2002 3:18 PM
Subject: RE: [R-390] Audio Signal Generator question
ISTR (I Seem To Remember) that the last 200CDs
were solid-state. Eh?
73,
Dave Wise
> From: Glen Galati [mailto:[email protected]]
>
> Hello Barry & Crew,
> Nice Find on the HP-200CD. The 200AB is a lower frequency
> version (20 Hz to
> 40KHz) vs 200CD (5 Hz to 600 KHz). This line of Audio
> Oscillators is one of
> the best and most popular ever manufactured by H-P. Both are
> Vacuum Tube
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