ATR ATR10907 1 x 2500 ft. Master Tape on 10.5 Precision Reel with Finished Box

ATR 1/4 Master Tape (6 reels) (3 new & 3 barely used)

ATR ATR40907 1/4 x 2500 ft. Master Tape on 10.5 NAB Reel with

Magnetic Reference Lab 21T404 1/4 Multifrequency Calibration

INVENTORY #32514, BRAND: Ampex, MODEL: ATR 100 Extender & Breakout , FUNCTION: Test card, PRODUCT DESCRIPTION: This listing is for an Ampex ATR 100

Ampex ATR 100 Extender Test Card & Breakout Cable ATR100 Machine

ATR Magnetics Master Tape 1/2 Empty 10.5 NAB Metal Reel

ATR ATR30907 1/2 x 2500 ft. Master Tape on 10.5 NAB Reel with

Analog Tape - PMT AUDIO - PRO AUDIO RECORDING GEAR SALES COLORADO

ATR Master Tape w/ 10.5″ Precision Metal Reel Tape – Sonic Circus

Master Tape 1/4 x 1,250' 7 Slotted Plastic Reel Set Up Box — ATR

For sale is this vintage 1960s Ampex Operation and Maintenance Manual for the ATR-100 series tape machines. This particular example looks like the

1960s Ampex Operation and Maintenance Manual for ATR-100 Series

Tape & Media Full Compass Systems