Click links to see photos of modulator
For sale. A 500
watt Modulator deck from an old 1000 watt MCW Cargo ships
This ship was part of the ghost fleet in California that is
now being rendered into scrap
This modulator has a United Transformer Corp. CVM-5. A 500 watt modulation
transformer driving 2 4-250A’s which in turn modulated 2 4-250A’s
with a 600 hertz tone for 1000 watts MCW transmission. This transformer has several
taps to match almost any tube impedance.
Follow the links for photos
As you can see by the schematic, (image seven)The modulator
has a 600hrtz oscillator and a buffer which drives 2 4-250A’s You can either remove the
oscillator section and inject audio there or bypass straight to the
buffer and you have a High level modulator for AM
4-250A’s Tube’s filaments show continuity but that’s as
far as could test them.
The other tubes are2E24’s.
Please use contact information on the web page or
e-mail for more information on shipping, pick up, more photos, or
questions. Or if you just want to haggle.
$1500.00 or best