[Jukebox-list] Seeburg early 100 "hide A way"

[Wesley Dean]

    Jay, the 5400 ohm field was used to excite a magnetic field. A 
substitute resistor may be of higher value. Its only purpose to be a bleeder 
for the high voltage. It can be as high as 15K.  And this can of a smaller 
wattage. Wes

----- Original Message ----- 
From: "Jay Hennigan" <jay at west.net>
To: "Jukebox mailing list" <jukebox-list at lists.netlojix.com>
Sent: Sunday, September 09, 2007 2:13 AM
Subject: Re: [Jukebox-list] Seeburg early 100 "hide A way"


> Ron Rich wrote:
>> Hi All,
>>   Does anyone happen to know what the WATTAGE rating for the 5400 ohm 
>> resistor that Seeburg used to replace the field coil in the "A" "B" "C" 
>> or "W" HideAway models?
>>   I pulled out my "Volume 1" manual and could not believe my luck--opened 
>> it to the correct page on the first try--sure enough there was that 
>> resistor package, on the page--that's when my luck changed, as all they 
>> do is give their part # for the whole package. No info on the resistor 
>> itself--also chcked other "HideAways".  Same artwork--same number-- TIA 
>> Ron Rich
>
> The voltage given on the MRA4-L6 us 400 volts with a 5600 ohm resistor.
>
> P = E^2 / R.
>
> 400 * 400 = 160,000 / 5600 = 28.5 watts.  A 50-watt resistor should do the 
> trick.  Power resistors typically run hot.  It might be easier and cheaper 
> to do a series/parallel arrangement or lower wattage resistors.
>
> If you have a large plate or chassis, consider the resistors in an 
> aluminum case that bolt to the chassis as a heat sink, for example:
>
> http://www.mouser.com/catalog/631/550.pdf
>
>
> Two 20K and two 25K, all 50-watt rated all in parallel might be just about 
> right.  5.555K ohms.  You could even go for 25-watt rated resistors if you 
> mount them to a suitable heat sink.
>
> --
> Jay Hennigan - CCIE #7880 - Network Engineering - jay at impulse.net
> Impulse Internet Service  -  http://www.impulse.net/
> Your local telephone and internet company - 805 884-6323 - WB6RDV
> _______________________________________________
> Jukebox-list mailing list
> Jukebox-list at lists.netlojix.com
> http://lists.netlojix.com/mailman/listinfo/jukebox-list