Western Electric "Mirrophonic" Test Record: Lateral & Vertical, TRL-100/TRV-104
  $   26

 


$ 26 Sold For
Jul 9, 2022 Sold Date
Jul 2, 2022 Start Date
2   Number Of Bids
  USA Country Of Seller
eBay Auctioned at
 
save auction  

Description

Western Electric "Mirrophonic" Test Record. 12-inch disc used to calibrate recordings using 40-8000 cycle tones. Plays at 33 1/3 rpm. Lateral side TRL-100 b/w Vertical side TRV-104. E condition. Manufactured c. 1937-46. Extremely scarce.


price rating