Alignment Cassette Tapes from A.N.T. Audio:

1) L03 - Level Setting Tape 250nWb/m (DIN) 315 Hz

2) L03VU - Level Setting Tape 160nWb/m (DIN) 315 Hz ("0VU" tape)

3) L04 - Level Setting Tape 200nWb/m (ANSI) 400Hz

4) S31A - Speed and W&F Test Tape 3150 Hz -10dB DIN (70us EQ)

5) S30A - Speed and W&F Test Tape 3000 Hz -10dB DIN (70us EQ)

6) A100 - Azimuth Alignment Tape 10kHz -20dB DIN (70us EQ)

7) U04103-70B - "Combined" Test Tape 400Hz Dolby Level + 10kHz (-12dB) + 400Hz (-12dB)+ 3kHz (-12dB), 70us EQ. This tape is suitable for setting the PB level, azimuth, speed and checking W&F and 3 points frequency response.

8) T10 - Head Height Alignment Test Tape 1kHz narrow track (a functional equivalent of the Nakamichi DA09087B/DA09007B cassettes).


All tapes (except the T10) are recorded on the specially modified Revox B215 tape transport in a full-track configuration, using BASF or TDK cassettes and the special Full-Track amorphous recording head from JRF Magnetics. Alignment tapes from BASF, STL, Teac, ABEX and Sony are used as primary references.

Each tape has a unique serial number and fully checked in both directions on two reference playback decks. Playback results are recorded on a computer for a full analysis and verification.

Please email for detailed information, prices and availability.