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Brand new test tape for calibrating the playback levels of your cassette decks.

Specs:
- 315 HZ, 0 dB tone (IEC PRAGUE 1981 Spec, approx 250 nWb/m)

Level tolerance: +- 1.2dB

Notes
This test tape is recorded in quarter-track mode, not full track. It is not 100% accurate because of potential head height misalignments. The results when used with 4-track machines will vary a bit due to a different head configuration on those machines. It will not work for 6 and 8-track machines.

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.

FREE SHIPPING WORLDWIDE

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.

Heavy duty, vintage style clear cassette boxes with square corners in brand new MINT condition. These cases are crystal clear, high quality, and work perfectly - a premium high-class product.

The posts are a little bit tall so if your j-card has 4 or 5 extra extra panels it might not fit unless done on thinner paper.

Individual case weight: 30 grams
Measurements: 69.6mm x 109mm x 16.8mm (2.74" x 4.29" x 0.66")

This listing is for a pack of 100 or 300 individual cases. See related listing for individual cases.

Free shipping offer available within Canada and the USA! 

International customers please see the related items for individual units or the bulk 300 pack. There will not be free shipping on this listing outside of Canada and the USA.

Plain cardboard jacket or sleeve made out of 18 point 100% recycled chipboard with a hole on the front. Made in Canada. There is no printed or embossed logo on our sleeves.

Size: 5" x 5". 

This item includes 500 sleeves with free shipping in Canada & USA. Please do not order this item for international shipping.

Stock: we make this as needed. We will usually produce it within several days but it could stretch up to 2 weeks or more depending on stock levels and how busy we are.  Please contact us if there is any urgency.

Please contact us for a quote on custom printing of sleeves on recycled chipboard, starting from 500 pieces.