Genuine 8-track recording across the full width of the tape (single-sided) at 15 IPS .
Ideal for speed check, stereo check, fidelity check, level adjustment and head alignment.
Supplied with instructions. Recorded on a calibrated Reel to Reel Recorder.
The Level adjustment tone at 15 IPS has a reference flux of 180 nWb/m which is the Ampex Domestic Standard ideal for consumer machines.