Musical Surroundings

Fozgometer Azimuth Range Meter

Phono cartridge azimuth is a key parameter for getting the best stereo imaging and soundstaging. For optimal stereo performance from a modern phonograph system, the pickup cartridge azimuth must be properly adjusted.

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Prior to the Fozgometer, one had to use an oscilloscope, AC voltmeter, or computer program, methods can be expensive and time consuming.

The FOZGOMETER is a small portable battery powered meter that is used in conjunction with a test record to measure channel separation, channel balance, and signal direction quickly and accurately. It incorporates a “Log Ratio Detector”, developed by Jim “Foz” Fosgate for surround processor steering logic circuits, to measure cartridge azimuth. The readings can be made with a wide range of input signals; directly from the tonearm cables, from the output of a phono stage, or from a tape output, without effecting accuracy. Readings are taken without touching the meter, leaving your hands free to adjust 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, Musical Surroundings recommend The Ultimate Analogue Test LP by Analogue Productions:

The Ultimate Analogue Test LP features a comprehensive selection of test tracks and is recommended for use with our Fozgometer. It was produced by Clark Williams of Acoustic Sounds and cut at Sterling Sound on a Neumann VMS-80 cutting lather with a newly rebuilt SX-74 cutterhead.

  • Input signal: 500HZ to 1KHZ sine wave, or pink noise
  • Input level: 2.7 VRMS maximum, .4MV RMS minimum
  • Input Load: 86.6K
  • Battery: 9V Alkaline
  • Dimensions: 6 ½” H, 3 ¼” W, 2 3/8” D
More Information
Weight1.80 lbs
WarrantyThis warranty expires 90 days after the date of original purchase. If Musical Surroundings receives the warranty registration card, this period is extended to the first anniversary of the date of purchase or no later that the second anniversary of the shi
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