[R-390] Audio Signal Generator question

[Glen Galati]

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
types with this version in production more years than one can imagine. It
was in my 1963 HP Catalog at a cost of $195 vs $165 for the 200AB. Output
level on the 200 CD is 10 Volts into 600 Ohm Load. The 200 CD is very nice
for doing IF alignment and tests and of course for all your audio work.

73,
Glen Galati,  KA7BOJ
Tacoma, WA


----- Original Message -----
From: Scott, Barry (Clyde B) <cbscott@ingr.com>
To: R390 (E-mail) <R-390@mailman.qth.net>
Sent: Thursday, August 29, 2002 6:54 AM
Subject: [R-390] Audio Signal Generator question


> An HP200CD followed me home from the local hamfest recently.  I figured it
was worth $15 since it was working (plus it matches my HP410B).  It is a
200CD model.  Last night someone was advertising a 200AB on Ebay (a very
nice-looking one at that).  Is the CD a later version of the AB?  Is that
only difference?  Anyone?
>
> Thanks,
>
> Barry(III?) - N4BUQ
>
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