[Milsurplus] solid state dynamotor

[B. Smith]

Commercial tube type two way radios made by GE, Motorola, Comco, Johnson, 
RCA  and many,many others all have transistor  switching power supplies. My 
favorites are GE as they have bullet proof  hugh germanium transistors.
73
breck k4che

----- Original Message ----- 
From: "Lloyd KK7IZ" <kk7iz at cox.net>
To: "Ray Fantini" <rafantini at salisbury.edu>; <milsurplus at mailman.qth.net>; 
<mrca at mailman.qth.net>
Sent: Wednesday, December 17, 2008 11:32 AM
Subject: Re: [Milsurplus] solid state dynamotor


> One long overlooked source is the old Narco Mark 12 power supply 
> modulators, T-12MP12 ,12A, 12B.
> They provide a high voltage PS capable of handling a multi-tube receiver, 
> a 5763 transmitter and associated stages, a modulator good for a 
> conservitave 10 watts and a speaker amp same power. For a number of years 
> aircraft radios were hybrid, tubes and transistors. Have never seen anyone 
> take advantage of the parts in them.
>
> Thanx
> Lloyd  KK7IZ
> kk7iz at cox.net
>
>
> ----- Original Message ----- 
> From: "Ray Fantini" <rafantini at salisbury.edu>
> To: <milsurplus at mailman.qth.net>; <mrca at mailman.qth.net>
> Sent: Wednesday, December 17, 2008 9:22 AM
> Subject: [Milsurplus] solid state dynamotor
>
>
> Anyone have a DC to DC inverter or solid state dynamotor replacement? Was 
> thinking of building up a replacement power supply deck for my ARR-41 I am 
> going to remove the original dynamotor deck and set it aside in case I 
> want to use it but want to build a solid state replacement deck that will 
> fit into the original radio and allow it to operate without the noise of 
> the dynamotor deck. Do not want to change any of the DC distribution 
> wiring so would prefer to use something like the solid state replacement 
> dynamotors that were used on some of the last produced ARC equipment, also 
> if anyone has a hacked ARR-41 power supply deck less dynamotor that will 
> save a lot of fabrication.
> Ray Fantini KA3EKH
>
>
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