7500B-H SYSTEM SPECIFICATIONS cont'd

Emission/Modulation: Direct FM, crystal controlled, 15-kHz deviation, 60F3.

Harmonic Distortion: 0.5% maximum, below transmitter limiting; 0.25% typical at 1 kHz.

Operating Temperature: -20°C to +50°C (-4°F to +122°F).

FCC Data: Approved under Parts 15, 74, and 90, as applicable.

Standard Accessories: Operation Manual, Rackmount ears, Screwdriver, Fuse, Battery, Hex Wrench

Optional Accessories: 126A Microphone Clip. 158A Mic Carrying Bag.
SPECIFICATIONS OF DIVERSITY RECEIVER UNIT

Receiver Type: Single-frequency, singleconversion, superheterodyne FM.

Image Rejection: 80 dB, typical.

Intermediate Frequency: 10.7 MHz.

Sensitivity: 1.6 µV for 50 dB S/N (processed), 20 kHz bandwidth.

Ultimate Quieting: 105 dB (20 kHz flat); 108 dB (A-weighted).

Squelch Quieting: Greater than 105 dB. (referenced to 15 kHz deviation).

Audio Output:
Line Level: +12 to -18 dBm (at full deviation), +16 dBm minimum at clipping.

Mic Level: -18 to -46 dBm at full deviation (-30 to -60 dBm with normal headroom).

IF Selectivity: 200 kHz, 9 poles, monolithic ceramic andLC filters.

RF Selectivity: Approximately 5 MHz, 4-pole LC filter.

Local Oscillator: Bipolar transistor, thirdovertone crystal controlled, low-side injection.

Audio Processor: 2:1 logarithmic expander.

Adjustments/Controls: Power switch, mic/line switch, output level adjust control.

Indicators: Audio-level bargraph, diversity A/B LED's,
RF signal detect A/B LEDs, power ON/OFF LED.

Power: 115 or 235 Vac (internal switch selectable) 50/60 Hz, 10 Watts.

Dimensions: (excluding rack-mount ears) Height: 1.75 inches. (4.45 cm)
Width: 16.9 inches. (42.9 cm)
Depth: 9.0 inches. (23 cm)

Weight: 6 lbs., 10 oz (3 kg).
SPECIFICATIONS OF
HANDHELD MICROPHONE/TRANSMITTER
Mic Element: Neodymium supercardioid.

Power Output: 50 mW nominal.

Frequency Stability: ±0.005%.

Spurious Output: -45 dB minimum, -55 dB typical.

Controls: Power on/off, mic-audio on/off, mic-level adjust.

Audio Adjustment Range: 30 dB.

Battery Life: 8-10 hours with one 9-V alkaline battery.

Size:
Length: 10.25 in (26.0 cm).

Weight: 10.5 oz (297.7 g), with battery.