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Sold Date:
October 9, 2017
Start Date:
September 19, 2017
Final Price:
$49.99
$48.00
(USD)
Seller Feedback:
520
Buyer Feedback:
0
Question:
What is recorded on the TTR-103? When was it discontinued?
Answer:The TTR-103 was discontinued circa 1975. It was a 45 rpm recording on a 12" LP disc.
The TTR-103 contained three trackability and distortion tests:
1) High frequency test - 10.8 kHz pulsed with a 270 Hz repetition rate
2) Mid-frequency test - 1000 Hz plus 1500 Hz
3) Low frequency test - 400 Hz plus 4000 Hz