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The Adjust + 7 Inch test record for usage with platter speed for iOS and Android.

Face A:
3.15 kHz test tone - speed adjustment
1 kHz test tone out of phase - vertical cut for measuring THD

Face B:
315 Hz test tone +10 up to +16 dB – anti-skating - we recommend to set the compensation values found to half as this gives the best overall compromise
endless loop - silent groove
1 kHz stereo - left only - right only - crosstalk/azimuth - not compatible with Adjust+ 12 inch version!
3-15 Hz in 1 Hz steps - visual control of resonant frequency

As for wow & flutter measurements we strongly recommend to place your cell phone at a fixed place. Any movements will deteriorate the measurement due to the occurring Doppler-effect! Records that show eccentricity also should not be used for wow & flutter analysis.

Warps of ±1 mm will cause a theoretical error of ±0.01% in wow & flutter and are not very critical. However, we have found an all new way to flatten the records we do have in stock to less than ±0.25 mm approx.

Audionut the NZ distributor for Dr Feickert

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  • Seller location: Hibiscus Coast, Auckland, NZ

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