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1" 15 IPS MRL IEC (IEC1) 250 nWb/m Four Frequency Calibration Tape

$409.95 Each

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 four frequencies of the tape are 1 kHz, 10 kHz, 16 kHz, and 50 Hz.
This tape will be at +3db (250nWb/m)
The tape is 4 minutes long, with 1 minute for each frequency.
This tape's equalization is IEC (IEC1).

This listing is for the MRL 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 any 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. Message us on eBay for questions and details 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.