Replacement flat section neoprene rubber drive belts available in popular sizes to fit many hi-fi turntables and other diverse units; eg tape recorders, cassette decks, Walkman, CD / DVD / XBox door tray drives, VCRs, tools, models and toys. 
 

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Round Section	Square Section
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For most Japanese decks (full platter):
Remove the rubber mat and lift off the platter (most hubs just lift off, some require the removal of a circlip at the spindle). Turn the platter over and measure the circumference of the hub (red line in the photo). The belt needs to be tight enough to hold on the inner hub with minimal stretching so deduct 5 - 10mm from the circumference to calculate the right length. The motor pulley offset should not be added to the equation as this stretch provides the correct drive tension for the belt.

Fit the belt on the hub and replace the hub on the spindle. Rotate the hub until one of the inspection holes is above the motor pulley. Grasp the belt and hook it over the pulley and through the speed changer mechanism (this stretch gives the belt the correct drive tension). Check that the deck runs with no fouling, replace the mat and you're ready.

For a transcription turntable (split platter):
Remove the rubber/felt mat and lift off only the outer ring section of the platter. Use a piece of string to measure the total distance round the hub and motor. Then deduct 4 to 6% (typically 20-30mm) to give the correct drive tension.~
Fit the belt on the hub and replace the outer platter upside down to check that the belt runs with no fouling. Then turn the platter the right way up, replace the mat and you're ready.

If you still have the old belt:
This is the least accurate way to replace your belt and is not recommended. When measuring an old belt, remember it has certainly stretched with age like a rubber band, so you will need to replace it with a slightly smaller one. The problem is that there is no way of knowing how much it has stretched.

If you are unable to measure your hub (red line in the photo) circumference, measure the diameter and use the table above, which uses the equation: C (circumference) = Pi x D (diameter). 
Pi = 3.141592 (abbreviated).

All measurements shown are approximate given the elastic nature of neoprene rubber drive belts, measured internal, flat and non-stretched.

Click here to learn more about Pi

		Price: All belts are £8.00 + 0.51 (UK p&p) + VAT @ 17.5% = £10
		Ordering information. Terms & Conditions of sale.

Useful vinyl and hi-fi accessories:
	other drive belts: round section, square section.
	Audio-Technica cartridges and styli
	Headshells
	Cartridge link leads
	Phono pre-amps
	USB converters, filters, recording and other Hi-Fi accessories
	Dr Know's helpful advice for diagnosing and servicing your turntable and cartridge.