Chameleon Labs 7681, Owner'S Manual, Page: 7 / 8

Technical Specifications
Microphone Input Impedance:
300 Ω or 1,200 Ω
Microphone Amplifier Gain:
+25 dB to +80 dB in 5 dB steps.
Output Impedance:
100 Ω
Noise:
-115.5 dB
Maximum Output:
+26 dB into 600 Ω
Frequency Response:
20Hz – 20 kHz +/- 1 dB.
Dimensions and Weight
Weight:
2 pound 8 ounces
Dimensions:
Width – 1.5”, Height – 5.25”
Depth to Rear of Mounting Surface:
5.938” =/- 0.02”
Power Requirements:
+/- 16 V @ ≤ 130 ma, +48 V @ 5 ma