CRYSTAL microphone element ham radio transceiver mic - guitar harp music pickup

Description

One crystal microphone.
Buy two (if available) and save 10% ! !
These appear to be NOS (New Old Stock) crystal microphones. Aluminum case, with Japan stamped on back, no other data is available.
Great for radio and electronic project experimenter use, vacuum tube circuits, music instrument pickups, anywhere a high impedance microphone is required. We have been told it is not an exact fit for the Astatic D-104, and might require modification to fit.  Unusual and hard to find item. Mics have been tested for output with an oscilloscope.
High impedance, resistance measures open on 20 Megohm digital multimeter range.
Aluminum case measures 0.98 inches in diameter, 0.37 inches thick, solder connections on back.
LIMITED QUANTITY ITEM!
See our other listings for more Radio, Electronic and other
RARE
and
UNIQUE
items.
The seller makes no representation of any item(s) sold to be fit for a particular purpose and assumes no liability for its use or misuse. It is assumed that the unit(s) will be installed and operated by qualified personnel. The purchaser agrees that the seller shall not be held responsible or liable for any injuries or damages, whether incidental or consequential, associated in any way with the item(s).
Photo below shows side and back views, you are receiving one piece.
See our other listings for other crystal mics.