[Jukebox-list] New here (again) and AMI model C questions

[Doug Duncan]

Dan Gillitzer wrote:
> Hi all. I was a member here before, I have a Continental 1 and a JAN Diplomat.
> Helping a freind out with an AMI Model C. It's been converted to 45s, but has lots of problems I am trying to sort out for him.
> Last night I repaired the end of the pickup wire where it plugs into the amp, the wires were ripped right out of the connector. He has no cartridge for it so I am advising him to get one from Durfee, the replacement for the Astatic called the P-51-1 for 45 conversions. One question right away is if I have him buy a spare needle, would diamond or sapphire stylus be best?
> The amp does come on (tubes glow) but something unusual. At first the amp wasn't turning on, so I plugged the amp cord directly to a wall socket and it came on, so I figued has a junction box problem. When I looked at the junction box I found a switch (DC on/off), which is hard to see because it's at the front side of the box (faces away from you when in back of the jukebox). The weird thing is if I shut DC off, the amp does power up when plugged into the junction box, but you can't select a record with it off. If you turn DC ON, then you can select a record, and when the record is dropped on the turntable the AMP then comes on! The turntable isn't working right now but I seem to have that narrowed down to a bad cord from the turntable. The turntable of course plugs into the amp, so I am confused on if this is correct, that the amp stays off until a record is put on the turntable? Doesn't make sense as we all know the amps aren't ready to put out sound for a bit after powering them up.
> Thanks for any advice
> Dan Gillitzer, Evansville WI
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>   
No doubt others who are more informed will have something to say about 
this but, if the amplifier is similar to that fitted to the AMI model 
B,  then it is supposed to work in that way. The amp incorporates a 
'fast heater' system that applies (I think) a 13v heater for a short 
time after the first selection has been made. This is to ensure that the 
amp operates by the time the first record is loaded and the arm is lowered.

I have heard it said that this will prematurely age the tubes and should 
be disabled. Mine has been like that for the last 10 years and no 
problems so far.

regards,

Doug