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  1. Musical Surroundings Fozgometer Azimuth Range Meter

    Musical Surroundings Fozgometer Azimuth Range Meter


    To obtain high performance from a modern phonograph system, the tonearm and pickup cartridge must be properly adjusted to within a few thousands of an inch. There are several alignment gauges available to adjust overhang and offset. To adjust cartridge azimuth (Axial Tilt), it has been necessary to use lab quality equipment and a test record. Azimuth may be adjusted using an oscilloscope, AC voltmeter, or computer program. These methods can be expensive and time consuming.

    The FOZGOMETER incorporates a “Log Ratio Detector” developed for surround processor steering logic circuits to measure channel separation over a wide range of signal levels down to -70 dB. The readings are virtually independent of overall signal levels, and can be made with a wide range of input signals without effecting accuracy. It is a small portable battery powered unit that is used in conjunction with a test record. It measures channel separation, channel balance, and signal direction quickly and accurately. Readings are taken without touching the meter, leaving your hands free to work with the tonearm. The meter reads channel separation in both directions, and channel balance. The LED’s indicate Left, Center, and Right signal (test tone) positions.

    For best results, we recommend The Ultimate Analogue Test LP by Analogue Productions:

    The Ultimate Analogue Test LP

    Manufacturer's website Musical Surroundings

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  2. Musical Surroundings Analogue Productions Test LP

    Musical Surroundings Analogue Productions Test LP

    Musical Surroundings Analog Productions Test LP

    A test record to provide the basic test signals necessary to calibrate a turntable or cutting lathe as simply as possible. Recommended for use with the Musical Surroundings Fozgometer. Produced by Clark Williams and Barry Wolifson Cut at Sterling Sound on a Neumann VMS-80 cutting lathe with a newly rebuilt SX-74 cutterhead Track list: Side 1: 1. 1 kHz reference tone 7cm/s lateral in phase (mono) 2. 1 kHz reference level, left channel only 3. 1 kHz reference level, right channel only 4. 1 kHz tone at -20dB below reference level, lateral 5. 10 kHz reference tone at -20dB, lateral 6. 1 kHz to 20 kHz sweep at -20dB, lateral 7. 1 kHz to 20 Hz sweep at 0VU, lateral 8. 100 Hz reference tone at 0VU, lateral 9. VTA adjust 10. Standard Wow & Flutter test signal; 3150 Hz Side 2: 1. Anti-skating test; 315 Hz amplitude sweep to +12dB, lateral 2. Pink noise lateral 3. Pink noise vertical 4. 1 kHz at reference level, vertical 5. 1 kHz to 10 Hz sweep at -20dB below reference level, vertical 6. Silent groove for bearing rumble and table isolation.

    Manufacturer's website Musical Surroundings

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