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1" 7.5 IPS NAB 355 nwb (+6) MRL Four Calibration Tape

$305.00 Each

Image of 1" 7.5 IPS NAB 355 nwb (+6) MRL Four Calibration Tape
  • Image of 1" 7.5 IPS NAB 355 nwb (+6) MRL Four Calibration Tape

You are Purchasing:
One (1) 1" 15 IPS NAB 355 nwb (+6) MRL Calibration Four Frequency Tape.

You are purchasing a brand new Four Frequency Calibration Tape from Magnetic Reference Laboratory (MRL). The tape is 1" on a 8" Plastic Reel.
The speed is 15 IPS.

The 4 frequencies of the tape are 1 kHz, 10 kHz, 16 kHz, and 50 Hz
This tape will be at +6db (355 nWb/m)
It will be NAB equalization.

This listing is for the MRL Calibration tape with the part number:

Alignment tapes, aka calibration or reference tapes, are required to properly set play back on any given tape deck. The alignment tape contains various signals, and array of frequencies, that let the operator setup a tape deck for playback prior to record alignment. We are an authorized dealer of MRL Tapes, which are very reliable. Please consult our resident experts if you have a question as to what alignment tape you should be using for your deck.

This alignment tape is custom recorded on RTM SM911 by MRL. If you want a different tape, this can be made on another tape. We can also make longer duration tapes by special order.


For wow and flutter, velocity/speed, and multi frequency tape there are other tapes that can be purchased from us. Contact us for details and question about those tapes.

Shipping costs depend on location and are calculated by the auction, handling is $3. In the event of a tape emergency, message us for expedited shipping. Handling time is generally 2 or 3 days, but may be 5 at the most.

There are no returns as each tape is custom made with exception of replacement for defect.