1/4" 7.5ips Full Track Test Tape

The RTT-1 is a 7.5ips full track master recording test tape that contains all the signals necessary to verify essential tape parameters such as Head Azimuth, Recording Level and Frequency Response to ensure that your machine is performing at its best and within factory specifications.

Features:

• All signals recorded with equalization and levels in accordance with NAB standards.
• Full track recording for use with mono, stereo (2 track & 4 track) and quad tape machines.
• All signals on this tape are original master recordings made in real time directly from calibrated sources.
• A graph of the frequency response of each tape is included.
• Our exclusive ToggleTone test signal for easy high frequency adjustment.
• A convenient usage tally is provided to track play back passes.
• Detailed printed instructions are included.

The tape contains these signals:

700hz @-10db
12.5khz Azimuth 700hz/10khz ToggleTone (our exclusive tone for high freq adjustments)

(these tones are at -10db)
15khz
12khz
10khz
7.5khz
5khz
2.5khz
1khz
500hz
250hz
100hz
50hz

700hz @0db (185 nWb/m)

Tolerances:
Level: +/- 0.25db
Frequency: +/- 1db (0.25db at medium frequencies)
Azimuth Angle: +/- 2 min to 90deg

Reference Fluxcivity:
185 nWb per meter

Equalization:
3180/50 uSec (NAB Standard)

Tape speed:
7.5 in./s