1/4" 7.5 IPS MRL Four Frequency Calibration Tape

You are purchasing a brand new Four Frequency Calibration Tape from Magnetic Reference Laboratory (MRL). The tape is 1/4" on a 7" plastic reel. The speed is 7.5 IPS.

The four frequencies of the tape are 1 kHz, 10 kHz, 16 kHz, and 50 Hz.
This tape will be at +3db (250 nWb/m), but this can be changed to to
(355 nWb/m) or other, see the chart in the image pictures. The tape is 4 minutes long, with 1 minute for each frequency. Also, please specify whether you want NAB or IEC1 equalization. For 1/4" it is down to personal preference.

This listing is also for MRL tapes with part numbers:
231-043-382-101
231-043-412-107
233-043-382-107
233-043-412-103

**Your order will be processed right away and shipped out in approximately 2 weeks.

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.

PLEASE LET US KNOW IF YOU WANT SOMETHING OTHER THAN WHAT IS MENTIONED ABOVE!

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.

In the event of a tape emergency, message us for expedited shipping.

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