IN TRADE 3 kHz 3-3/4 ips 9.53 cm/sec Speed Test Tape

Suitable for tape speed alignment of any Hi-speed Cassette Tape Deck (Tascam Hi Speed Porta-studios, Tascam 122, 134 e.t.c.) using a Frequency Counter

Recorded on new TDK, MAXELL or TEAC 16u tape

Each Cassette Tape (except 5 Hz RAMM) is a Full-track Master tape (not a copy). Cassettes are recorded OFF SHELL using an OTARI 0.15" (3.81mm) Reel-to-Reel MX-5050BIII-F-P4 Production full-track tape recorder and professional test equipment. The Capstan motor of the tape recorder is controlled by digital Quartz- Locked PLL. This can work at standard speeds with 0.01% accuracy, and at any speed from 1-7/8 to 30 ips using an external clock generator. (If required a cassette can be recorded at 30 IPS)

Reproduction or Playback Head of the tape recorder is a 4-track 4-channel head to measure Level unevenness @ 400 Hz. PLEASE NOTE. Level unevenness is checked totally across the tape (not along the tape) before recording. Tapes with difference in Level more than 0.2 dB are discarded

Reproduction Equalization is calibrated using a Constant Magnetic Field Transducer which has been designed by GennLab.

Time Constant: 3180us + 50us

Frequency 3 kHz

Frequency fluctuation +/-0.01% measured

Level -10 dB re 0 dB @ 400 Hz 160 nWb/m

Duration 10 min recorded at the BEGINNING of the Tape from 00 min 10 sec to 10min 10 sec

P.S. Good luck and please only bid if you are serious and going to pay in full within 3 working days

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