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Audio Cassette Speed Calibration Test Tape - Free Shipping Worldwide

Audio Cassette Speed Calibration Test Tape - Free Shipping Worldwide
Analogue Media Speed Calibration Test Tape
 
(21 reviews)  

SKU TESTTAPE1-FS
Weight 0.10 lbs
Our price: CAD$22.95
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Brand new test tape for calibrating the speed of your cassette decks.

Specs:
- 440 HZ A tone (for quick check with instrument tuner) (or MIDI note 69)
- 3150 hz tone for setting speed with frequency counter and checking wow and flutter
- Recorded in stereo, not full track

Speed tolerance: 0.16%

Notes
The speed variance to move a half tone from A 440Hz to A# at 466.16 Hz is 5.9%. That's a lot .Most cassette decks should be operating well within half or a third of that range. But if you're doing tape copies you need a much tighter tolerance to avoid cutting off the music or having a huge empty space at the end of the sides, especially on longer tapes of C-50, C-60, and longer 

We have compared the speed of our test tapes against old test tapes from Sony, TEAC, and Nakamichi. Our test tapes play back the 3150 Hz tone with comparable variance as we found with those old test tapes. 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:

1% speed variance on a 30 minute side is 18 seconds per side
2% speed variance on a 30 minute side is 36 seconds per side
3% speed variance on a 30 minute side is 54 seconds per side 

This item includes free worldwide shipping by the post with a tracking number. Delivery time is usually 2-3 weeks but could be longer. Tracking is not available on shipments within Canada.

Average customer rating:
 
(21 reviews)  

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5 Most useful customer reviews (see all reviews):
Marcel van Houten
Oct 13, 2017
This customer purchased the item at our site.
Ordered this cassette to calibrate a Pioneer cassettedeck that was clearly slowing down all music.
A random YouTube-video helped me understand the idea about using a tape like this. I recommend this video, it's not a very polished effort, but it's also not TOO technical:
https://www.youtube.com/watch?v=60dG35aJPmY

So, in Audacity on my computer I created a 440Hz test-tone (in the menu: Generate > Tone, use the defaults), played it, and played the cassette in the deck, in my case I used the sound from the Phones-out - plugged into the same speakers as my computer.

You have to irritate your family members (or neighbours) here, as you have to play it LOUD to hear the beating of the frequencies.

This is the point were you can adjust the speed on your deck. How and where depends on the deck, and more often than not, you need the service manual to find out how to do it. Check out this site if you need one:
https://www.hifiengine.com/manual-library.shtml

In my case it was a little screw directly on the motor, looking similar to this:
http://probe.com.au/ocart2/image/cache/catalog/product-180/ZTmECatyXc-DSCF5450-500x500.jpg

Of course, this is not a REALLY accurate method, but checking with my own ears, and streaming the same song on Spotify and playing it on a pre-recorded cassette, I'm more than satisfied.
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Santo Spinali
May 22, 2019
This customer purchased the item at our site.
Product is as advertised. Purchased this test tape to adjust a deck I cleaned up and after changing the capstan belt, which gives one confidence that the deck is working well.
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William T Arnaiz
Jun 8, 2022
This customer purchased the item at our site.
Invaluable alignment tool/tape, a must have for proper calibration of tape deck. Used it on three that were out of cal. since purchase. Smooth shopping experience, items packaged very well. Ordering very easy on the website.
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Joost Berk
Apr 2, 2022
This customer purchased the item at our site.
The tape came as expected within 3 weeks.

My Sony TC-RX611S has a replacement drive-motor that should be on te correct speed, but I thougth it wasn't. I needed to test this correctly. And with this tape I was able to check this. The deck indeed drives to fast. 3,5% to be exactly.

So now I orderd a correct spare motor that I can adjust following the Sony instructions. I will do this with this tape as a guidance.
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Aleš Štokelj
Sep 27, 2021
This customer purchased the item at our site.
All is ok
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