|[AMRadio] The Replacement Mod for the D104|
ranchorobbo at gmail.com
Sat Aug 28 21:05:00 EDT 2010
i did not know the 10-da was dynamic. I recall it was used a lot on
PA systems back in the 1960s.
I have a J30 around here somewhere I've had so long I don't even
remember how I got it but I think it was part of a T-60 I bought back
in the 1970s at a hamfest. I sure hope I did not sell or give it
away. I have done some investigating and I believe it will work well
with a 10 Meg input Z rig. it is now one of these "bullet" mics that
harmonica players like, along with the shure green bullet.
therefore, it is going for higher prices.
On Sat, Aug 28, 2010 at 6:00 PM, Geoff Edmonson <w5omr at att.net> wrote:
> On 08/28/2010 02:21 PM, Bob Macklin wrote:
>> A properly designed preamp is not a problem. But the preamps used by the CB
>> crowd leave a lot to be desired.
> Some years ago, John/WA5BXO and Otis/K5SWK (or John got it for Otis, I
> don't remember) purchased a number of JT-30 cartridges. Ronnie/K5WLT
> got a few of those, also. From what I remember, they were -damn near-
> the exact replacement element for the venerable D-104 head.
> Todd; the 10-D A head was, indeed, a Dynamic head and worked -lots-
> better with the pre-amp for lower impedance requiring rigs.
> 73 = Best RegardS,
> (/m5 Baja Spring, TX)
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