|[AMRadio] Xtal mike?|
w5omr at w5omr.shacknet.nu
Mon Mar 14 15:13:28 EST 2005
StephenTetorka at cs.com wrote:
>My restoration rig requires a crystal microphone.
>Your reply is appreciated.
Astatic D-104. Available at a reasonalbe cost at most any hamfest...
make sure you take your milivolt meter along, to check the output.
Many D-104 heads were dropped or damaged in some form or
John/WA5BXO devised an equalizing circuit to flatten out the response
of a crystal mic cartridge. check out his site for that, and more AM Radio
hinks, tips and kinks at http://qsl.net/wa5bxo
73 = Best Regards,
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