[AMRadio] FS: Gross CB-80 Transmitter

John Dilks K2TQN oldradio at worldnet.att.net
Sun Feb 18 18:25:52 EST 2007

Hi Don,

I'm seriously interested and would be able to pick it up when the 
weather gets better.  I'd use it for the Old Radio colum.

A couple of photos would be appreciated.

73, John Dilks, K2TQN

At 06:06 PM 2/18/2007, you wrote:
>For Sale: Gross CB-80 transmitter. This is the only
>one of these transmitters that has survived--there are
>no others anywhere on Earth. This is a 1936-vintage
>5-foot high rack transmitter for AM and CW covering 10
>through 80 meters with plug-in coils. It has a 42
>crystal osc into a 6L6 buffer driving and Eimac 35T in
>the final. The modulator is a pair of 6L6's. I think
>it is all original looking, though it may have some
>very old mods that I can't tell from original. The one
>unoriginal appearing thing about it is the RF ammeter
>in the antenna matching section, which is definitely
>not original--though it looks very close. Also, the
>antenna matching section has been basically guttd and
>will have to be rbuilt. It had two caps and some coils
>in it. But only the caps remain.
>This rig has the optional meter panel with 4
>surface-mount Gross-logo'ed meters that plug into
>various spots on the rig with 1/4 inch phone plugs.
>The one coil installed in this thing probably isn't
>right--it's a EFJ edgewound type. So you should plan
>on building a set of coils for it. I have most of the
>original documentation including schematics. It's very
>fragile but I also have photocopies.
>The rack is made for this rig and each chassis can be
>slid out on metal flanges. It has the original paint,
>Gross name tag and looks pretty sharp for its age.
>Naturally, this is pickup only in Pittsburgh, PA. I
>could possibly break it down and ship it in a bunch of
>boxes. The rack could be unbolted and shipped flat in
>another box. But the total cost of all that would be
>in the hundreds of dollars and I would charge and
>extra $150 for packing.
>Anyway, if you want something absolutley unique and
>one-of-a-kind n your shack that connects you to the
>first golden age of ham radio in the 1930's, then this
>will be auite a conversation piece for you.
>Pictures available.
>73, Don Merz, N3RHT
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