[NJARC] Knight KX-60 Amplifier

[Chuck]

Hi Al,
You are right --- they are PNPs.
I do have the schematic. I attached it...
And they are in TO-3 packages exactly like your drawing.
I can see how it' is wired, but I never saw a transistor used as a rectifier before.

Thanks for your help Al.

73,
Chuck


From: Al Klase 
Sent: Friday, June 10, 2016 3:32 AM
To: njarc at mailman.qth.net 
Subject: [NJARC] Knight KX-60 Amplifier

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Chuck,

660032 is probably a house number applied to transistors sold specifically to Allied (Knight).  The early Bendix products were likely PNP Germanium transistors.

Are they in TO-3 packages similar to this drawing?


Do you have a schematic for the amp?  I couldn't find anything on the web.  To repair this thing you'll have to reverse engineer it.  Not for beginners.  The early solid state amplifiers had all sort of problems, and most sounded terrible even when working properly.

Good luck,
Al
Al Klase – N3FRQ Jersey City, NJ http://www.skywaves.ar88.net/  
On 6/9/2016 2:55 PM, Chuck wrote:
Just remember Reply = Poster Reply All = Everyone _________________________________________________________ 


Does anyone know what a good equivalent replacement transistor would be for a “Bendix 660032”? 
It’s one of those metal quarter-size transistors - circa 1973.
I’m working on a KX-60 Allied Knight kit - 50 watt solid-state stereo amplifier and found two of them (one shorted & one open) in the power supply circuit.
I believe they are being used as rectifiers.
Any info would be much appreciated!

Thanks,
Chuck
AC2DP

From: RICHARD LEE 
Sent: Tuesday, June 07, 2016 9:38 PM
To: Reflector 
Subject: [NJARC] June 10th Meeting at Princeton

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Reply All = Everyone

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Greetings Fellow Enthusiasts!  Just a reminder that the NJARC June 10th meeting will be held this Friday, at Bowen Hall, Princeton U. The agenda includes talks by V.P. Sal Brisindi...all you want to know about capacitor nomenclature.... and webmaster Dave Sica speaking on a resent break-through in CRT rebuilding...a small auction will follow.  See you all there!  Richard Lee., Pres. NJARC
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