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AI Appraisal
Description
Its high output voltage was characteristic of crystal elements and its high impedance allowed for direct grid input. The early D-104 mikes used a 1" thick case and have a large ID tag along with tapped holes for "ring & spring" mounts. The case thickness was reduced in April 1937 and smaller tags were then used and the ring holes eliminated. The "grip" switch stand ("G" Stand) was introduced in January 1938 but didn’t become popular until much later. The early "G" stand bases were gloss black with metal ID tag.
Category
General Antiques and Collectibles
Medium
Metal and Silver
Distinguishing marks
The Astatic Corp.
Condition
Excellent
Size and dimensions of this item
12" x 5" x 5"
Date Period
Earlier 20th Century
Weight
3 pounds
History
I have no clue
Price Paid (If known)
$60.00
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