Hi djk,
You left me darn near nothing to say here djk!
-Chris
I was about to say that!Sounds like a Threshold amp to me.
Yup. Nelson may have some insights on that. I wonder if he ever took this design further?Use MJ15025 for PNP, and MJ15024 for NPN.
Absolutely!Do not even think about replacing one output, replace them all.
You left me darn near nothing to say here djk!
-Chris
Aldovan,
Are you testing properly this germanium transistors?
Junction voltages is about 0.1 to 0.2V, gain is low and lots of leakage is the norm...and not mean a defective component.
If you have only one TO-3, its a "A Class" output, steady state current was about 1 to 2 Amperes.
Marcos
Are you testing properly this germanium transistors?
Junction voltages is about 0.1 to 0.2V, gain is low and lots of leakage is the norm...and not mean a defective component.
If you have only one TO-3, its a "A Class" output, steady state current was about 1 to 2 Amperes.
Marcos
Hi m2003br,
We were hoping Aldovan would then give us the make and model of the radio. Since this is still a mystery, no comment can be made by anyone. Agreed?
Would you care to share Marcos?
-Chris
Well, this is interestingAldovan says: "I have a old radio with a unknown damaged transistor"
It has nothing about Threshold amps...
The transistor have the motorola logo and is write "8113 STASIS PNP" in the package TO-3.
We were hoping Aldovan would then give us the make and model of the radio. Since this is still a mystery, no comment can be made by anyone. Agreed?
Now, either you have information that no one else in this thread has or you just jumped to a conclusion.Are you testing properly this germanium transistors?
Would you care to share Marcos?
-Chris
Hi Anatech,
Aldovan have another recent topic in diyAudio, where he asked for especifications for an old germanium TO-3 transistor, 2N176
and, all in all, old Motorola radios don't have anything with Threshold amps, and, from my best knowledge, all of this radios (existing in Brazil, at least) have germanium output transistors.
Marcos
Aldovan have another recent topic in diyAudio, where he asked for especifications for an old germanium TO-3 transistor, 2N176
and, all in all, old Motorola radios don't have anything with Threshold amps, and, from my best knowledge, all of this radios (existing in Brazil, at least) have germanium output transistors.
Marcos
aldovan said:Dear friends
I have a old radio with a unknown damaged transistor.
The transistor have the motorola logo and is write "8113 STASIS PNP" in the package TO-3.
I need change this transistor. Anyone known this motorola code and can identify this transistor ?
Thanks,
Aldovan
Hi.
If it is an old Motorola car radio with a single output transistor
any of the following can be substituted :-
OC35
OC28
2N176
Look on EBAY.
The 2N176 was the'original' car radio output transistor !!
See :- http://semiconductormuseum.com/PhotoGallery/PhotoGallery_Motorola_2N176.htm
Good luck
Andy
EDIT :- How many do you want ?
http://cgi.ebay.com/184-RARE-MOTORL...-TO-3-PNP_W0QQitemZ130145444142QQcmdZViewItem
Mine is it !!!
Friends
My transistor is it :
http://cgi.ebay.com/184-RARE-MOTORL...oryZ4666QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
Anyone know what is this transistor ?
Is Silicon Or Germany ? This 8113 is a data code ?
Thanks,
Aldovan
Friends
My transistor is it :
http://cgi.ebay.com/184-RARE-MOTORL...oryZ4666QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
Anyone know what is this transistor ?
Is Silicon Or Germany ? This 8113 is a data code ?
Thanks,
Aldovan
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