HP had some mighty fine audio distortion analyzers and reference sine
equipment in the 60's--we used it on the McIntosh stuff a lot.
600 series if I recall...same size as my RF gen. 19" rack mount..50 Lbs
Curt
Jim Shorney wrote:
On Sun, 17 Apr 2011 13:07:35 -0700, Dennis Monticelli wrote:
That would be an interesting study, going stage by stage through the audio channel of a 4 or 7 series radio. I'll bet that when the R-4B was designed, the Drake lab didn't have such a piece of equipment and probably went by ear or visuals on a scope.
I've got a couple of HP and a Leader. The Leader gets the nod at the moment
because it has a much smaller footprint. I serously need to declutter my
workbench...
73
-Jim
--
Ham Radio NU0C
Lincoln, Nebraska, U.S.S.A.
TR7/RV7/R7A/L7, TR6/RV6, T4XC/R4C/L4B, NCL2000, SB104A, R390A, GT550A/RV550A,
HyGain 3750, IBM PS/2 - all vintage, all the time!
"Give a man a URL, and he will learn for an hour; teach him to Google, and he will
learn for a lifetime."
HyGain 3750 User's Group - http://groups.yahoo.com/group/HyGain_3750/
http://incolor.inetnebr.com/jshorney
http://www.nebraskaghosts.org
_______________________________________________
Drakelist mailing list
Drakelist@zerobeat.net
http://mailman.zerobeat.net/mailman/listinfo/drakelist
_______________________________________________
Drakelist mailing list
Drakelist@zerobeat.net
http://mailman.zerobeat.net/mailman/listinfo/drakelist
