Specifications

Overall System Performance
Frequency Response	100 Hz-15KHz ± 3 dB
Signa-to-Noise Ratio	60 dB
Total Harmonic Distortion	< 0.5%
RF Carrier Frequencies	Eight channels between 72-76 MHz
	Channel AA:72.1, BB: 72.3, CC: 72.5, DD: 72.7,
	EE: 72.9, FF:75.5, GG: 75.7, HH: 75.9
Frequency Stability	Better than .005%
Modulation	FM ± 75 KHz max
Operating Range	Up to 300 feet line-of-sight
ALD-800 Transmitter
Mic Input	Connector: 1/4“ phone jack.
	Impedance: low impedance,
	unbalanced, with 9V DC at 1 mA for condenser mic.
Line Input	Connector: 1/4“ phone jack.
	Impedance: 100 K Ω,
	unbalanced.
Power Output	80,000 µV @ 3 meters
Controls	Power on/off, audio input gain adjust
Indicators	Power On LED, Audio Modulation LED
Antenna	Permanently mounted telescoping whip
Power Requirement	9 VDC, regulated @200 mA, AC-ALD800 adapter provided
Dimensions	1.25” H, 8.25” W, 4.25” D (3.175 x 20.9 x 10.8 cm)
Weight	18.2 oz. (500 g.)
ALD-800 Receiver
Controls	Combination volume/on-off wheel
Audio Output	250 mW max into 16 ohms
Connectors	3.5 mm mini jack for earphone output
Earphones	Mini binaural earbuds
Antenna	Integral with earphone cord
Indicators	LED power on indicator
Sensitivity	2 µV for 12 dB Sinad with squelch defeated
	Squelches at 10 µV for min. 50 dB S-N ratio
Mute Threshold	8-10 µV
Power Requirement	9V alkaline
Battery Life	17-20 hours w/alkaline battery
Dimensions	3.35” H, 2.75” W, .75” D (8.5 x 6.5 x 2.25 cm)
Weight	2.65 oz. w/out battery (73 g.)

Specifications subject to change at any time without prior notice for purposes of product improvement

Total Harmonic Distortion