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MRL Test Tapes

Other configurations and levels of test tapes are also available.
Please contact us for more information.

All tapes are NAB or AES equalization. Any tape can be made with IEC equalization, or at a 200 NWB/M reference fluxivity. We recommend the two-speed test tape with 4 frequencies each speed as follows:
1 KHZ, 10 KHZ, 16 KHZ, 100 HZ


TWO-SPEED, SHORT CALIBRATION TAPES
5.5 MINUTES TOTAL DURATION
31QAA299-007-482-1151/4"15/30IPS4 FREQ-250 NWB/M NAB $CALL
31QAB299-007-512-1111/4"15/30IPS4 FREQ-355 NWB/M NAB$CALL
31BAA399-007-482-1141/2"15/30IPS4 FREQ-250 NWB/M AES EQ$CALL
31BAB399-007-512-1101/2"15/30IPS4 FREQ-355 NWB/M AES EQ$CALL
31CAA499-007-482-1131"15/30IPS4 FREQ-255 NWB/M$CALL
31CAB499-007-512-1191"15/30IPS4 FREQ-355 NWB/M$CALL
31DAA599-007-482-1122"15/30IPS4 FREQ-250 NWB/M$CALL
31DAB599-007-512-1182"15/30IPS4 FREQ-355 NWB/M$CALL

TWO-SPEED, LONG CALIBRATION TAPES
11 MINUTES TOTAL DURATION
31QBA299-007-482-1311/4"15/30IPS4 FREQ-250 NWB/MXXXXXX$CALL
31QBB299-007-512-1371/4"15/30IPS4 FREQ-355 NWB/M$CALL
31BBA399-007-482-1301/2"15/30IPS4 FREQ-250 NWB/M$CALL
31BBB399-007-512-1361/2"15/30IPS4 FREQ-355 NWB/M$CALL
31CBA499-007-482-1391"15/30IPS4 FREQ-250 NWB/M$CALL
31CBB499-007-512-1351"15/30IPS4 FREQ-355 NWB/M$CALL
31DBA599-007-482-1382"15/30IPS4 FREQ-250 NWB/M$CALL
31DBB599-007-512-1342"15/30IPS4 FREQ-355 NWB/M$CALL

FOUR-FREQUENCY, SINGLE SPEED CALIBRATION TAPES
4 MINUTES TOTAL DURATION (54 SEC. EACH TONE)
31DCA243-673-482-1001/4"15IPSl4 FREQ-250 NWB/MXXXXxx$CALL
31DCB243-673-512-1061/4"15IPSl4 FREQ-355 NWB/M$CALL
31DCC251-673-482-1011/4"30IPSl4 FREQ-250 NWB/M$CALL
31DCD251-673-512-1071/4"30IPSl4 FREQ-355 NWB/M$CALL
31ECA341-673-482-1031/2"15IPSl4 FREQ-250 NWB/M$CALL
31ECB341-673-512-1091/2"15IPSl4 FREQ-355 NWB/M$CALL
31ECC343-673-482-1091/2"15IPSl4 FREQ-250 NWB/M$CALL
31ECD343-673-512-1051/2"15IPSl4 FREQ-355 NWB/M$CALL
31ECE351-673-482-1001/2"30IPSl4 FREQ-250 NWB/M$CALL
31ECF351-673-512-1061/2"30IPSl4 FREQ-355 NWB/M$CALL
31FCA443-673-482-1081"15IPSl4 FREQ-250 NWB/M$CALL
31FCB443-673-512-1041"15IPSl4 FREQ-355 NWB/M$CALL
31FCC451-673-482-1091"30IPSl 4 FREQ-250 NWB/M$CALL
31FCD451-673-512-1051"30IPSl4 FREQ-355 NWB/M$CALL
31GCA541-673-482-1072"15IPSl4 FREQ-250 NWB/M $CALL
31GCB543-673-512-1032"15IPSl4 FREQ-355 NWB/M$CALL
31GCC551-673-482-1082"30IPSl4 FREQ-250 NWB/M$CALL
31GCD551-673-512-1042"30IPSl4 FREQ-355 NWB/M$CALL