CHAPTER 8
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TECHNICAL SPECIFICATIONS
8
Technical Specications
We are constantly working to improve our products. Specifications and features are subject
to change without notice. Audio quality is measured through VOLT’s entire chain but with
processing controls turned off.
System
Frequency Response: User selection of flat, 50 µs, or 75 µs pre-emphasis curve within ± 0.50 dB,
30 Hz to 15 kHz.
System Distortion: Less than 0.01% THD, 20 Hz – 7.5 kHz (second harmonic distortion above
7.5 kHz is not audible in the FM system).
Signal-Noise Ratio: Audio >95 dB analog, >120 dB digital i/o.
Input / Output
Composite: Single-ended and floating over chassis ground. BNC connectors with EMI suppres-
sion. Maximum cable 100’ / 30M RG-58U.
Output level: separately adjustable for each of two outputs, 0V - 10V in 0.05V steps.
Pilot Level: Adjustable from 4.0% to 12.0% in 0.1% steps and OFF.
Pilot Stability: 19 kHz, ± 0.5 Hz.
S/N: -85 dB typical, 75 µS de-emphasized across 15 kHz, at 100% modulation.
Distortion: < 0.02% THD 20 Hz – 15 kHz, 75 µS de-emphasized @ 100%.
Stereo Separation: > 65 dB, 30 Hz – 15 kHz.
Linear Crosstalk: > -80 dB, main to sub or sub to main channel @ 100%.
Non-linear Crosstalk: > -80 dB, main to sub or sub to main @ 100%.
38 kHz Suppression: > 70 dB @ 100%.
76 kHz Suppression: > 80 dB @ 100%.
Pilot Protection: > -65 dB relative to 9% pilot injection, ± 1 kHz.
57 kHz (RDS/RBDS) Protection: > -50 dB.
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