Calibration Audio Cassette

Beep test audio cassette tape calibration

https://www.topendsports.com/testing/beep-tape.htm#:~:text=If%20you%20have%20the%20tape%20you%20need%20to,time%20period.%20Ideally%20it%20should%20be%2060%20seconds.

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Calibration Cassettes - Peter Vis

https://www.petervis.com/Vintage%20Misc/Vintage%20Cassettes/calibration-cassette/calibration-cassette.html

Speed calibration test tape for cassette ... - FixYourAudio

https://fixyouraudio.com/product/speed-calibration-tape/

Beep test audio cassette tape calibration - Topend Sports

https://www.topendsports.com/testing/beep-tape.htm

If you have the tape you need to regularly check the calibration. On most versions of the tape there is a 60 second recorded interval for calibrating the cassette tape and player speed. Use a stopwatch accurate to 1/10 second to check the duration of the recorded time period. Ideally it should be 60 seconds.

Cassette technology - Automatic Tape Calibration and Super ...

http://audiotools.com/en_cass_tech_atc.html

basically what happens is that when you insert a blank cassette tape into the recorder and press the atc button the recorder will automatically record a number of test sequences onto the blank tape, then read the test sequences back and calculate from the results what the optimal biasand equalisation settings are, it will then record new test …

Calibration Cassette Tape Dolby Level Azimuth …

https://www.ebay.com/itm/313768443998

Audio Cassette Speed Calibration Test Tape - Free Shipping ...

https://www.duplication.ca/audio-cassette-speed-calibration-test-tape.html

The variance of our tapes is +- 5 Hz or 0.16%. When adjusting speed your target is 3145 to 3155 Hz. But most of you won't have a frequency counter so we've included a 440HZ A tone to calibrate with any guitar or instrument tuner. You should be able to get within 0.5% using the 440 Hz tone. If you want to dub your own tapes consider this:

TEST ADJUSTMENT TAPE SPEED/AZIMUTH …

https://www.ebay.com/itm/293593293233

Audio Cassette Speed Calibration Test Tape

https://dupeshop.com.au/audio-cassette-speed-calibration-test-tape.html

The variance of our tapes is +- 5 Hz or 0.16%. When adjusting speed your target is 3145 to 3155 Hz. But most of you won't have a frequency counter so we've included a 440HZ A tone to calibrate with any guitar or instrument tuner. You should be able to get within 0.5% using the 440 Hz tone. If you want to dub your own tapes consider this:

GennLab Standard Alignment Cassettes

http://www.gennlab.com/alignment_cassettes.html

Level unevenness is checked totally across the tape (not along the tape) before recording. Tapes with difference in Level more than 0.4 dB are discarded. Reproduction Equalization is calibrated using a Constant Magnetic Field Transducer which has been designed by GennLab. Link to GennLab Azimuth Standard Alignment Cassettes