Azden 311DRH User Manual
Page 14
SPECIFICATIONS
OVERALL
Frequency Range:
VHF 169 -216MHz
Working Range:
Up to 300 feet
Distortion:
Less than 1% (15kHz deviation)
Frequency Response:
40Hz to 15kHz, 3dB
Dynamic Range:
Better than 100dB
S/N Ratio:
Better than 95dB
Operating Temperature: 0
°
45
°
C (32
°
113
°
F)
Noise Reduction:
2:1 logarithmic compressor/expander
Oscillator/Modulation:
Crystal Controlled/FM
Receiver (211R, 221R, 311DR and 311DRH)
Receiver type:
Super Heterodyne/Crystal Controlled
Image Rejection:
Better than 60dB
Reception Sensitivity:
Better than 15dBV
Reception Selectivity:
60kHz
Audio Output Adj. Range: min. -30dB, center 0dB, max. +6dB
Audio Output Impedance: 2.2K ohms unbalanced (200R, 211R, 221R, 311DR, 311DRH)
4.4K ohms balanced (311DR, 311DRH)
Power Requirements:
12V DC - 300mA
Size:
215(W)x210.4(D)x44(H)mm 8.4x8.4x1.7" (311DRH)
280(W)x120(D)x37(H)mm 11x4.7x1.4" (311DR, 221R)
150(W)x120(D)x27(H)mm 5.9x4.7x1" (211R)
141(W)x129.5(D)x24(H)mm 5.55x5.1x0.95" (200R)
Weight:
1.2kg (42.3oz) (311DRH)
830g (29.3oz) (311DR)
875g (30.8oz) (221R)
485g (17.1oz) (211R)
252g (8.9oz) (200R)
Transmitter
31HT
31LT
31IT
31XT
Microphone Unit
Uni Dynamic
Omni Electret
N/A
N/A
RF Output Power
10mW (50mW max)
30mW (50mW max)
10mW (50mW max)
Input Impedance
8K ohms
2.2K ohms
100K ohms
47K ohms
Audio Adj.Range
N/A
30 dB
Battery
AA (1.5V)
9V (006P)
AA (1.5V)
Battery Life
8-10 hours (using alkaline battery)
Size
62X221mm
2.44X8.7"
86(H)X60(W)X21.5(D)mm
3.4(H)X2.3(W)X0.84(D)"
86(H)X60(W)X21.5(D)mm
3.4(H)X2.3(W)X0.84(D)"
33X120mm
1.3X4.7"
Weight
213g (7.5oz)
112g (4.0oz)
152g (5.4oz)
92g (3.2oz)
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