LMA8 Mic/Line Preamplifier
10
Mechanical and electrical specifications
Dimensions with rack mounts: Width 19 inch, height 1U (44 mm), depth 210 mm
Dimension as desktop: Width 420 mm, height 42 mm, depth 210 mm
Weight: 5.0 kg
Power: 180 - 253 VAC, 50-60 Hz, 15 Watts
ESD: Protected to 23 kV, IEC 61000-4-2 and 15 A surge, IEC 61000-4-5
Mic input impedance: 6 kohm
Line input impedance: 1 Mohm/60 pF
Max input level balanced, mic or line: +30 dBu
Max input level unbalanced, line: +24 dBu
Max input level balanced, direct input: +30 dBu
Max input level unbalanced, direct input: +24 dBu
Max output level, balanced output: +30 dBu
Max output level, unbalanced 24 dBu
Gain, input to balanced output: +10 dB to +70 dB
Input noise: -134 dBu (A weighted, 22 Hz - 22 kHz)
Input noise: -131 dBu unweighted
Frequency response: 5 Hz - 200 kHz, +/- 0.1 dB
Crosstalk: -120 dB, 20 Hz - 20 kHz, input terminated by 150 ohm
Distortion, + noise, classical analysis:
THD+N 0.00035 % @ 1 kHz, 10 dB gain
THD+N 0.00075 % @ 1 kHz 30 dB gain
Distortion, FFT analysis:
THD 0.00014 % @1 kHz, 10 dB gain
THD 0.00014 % @1 kHz, 20 dB gain
THD 0.00015 % @1 kHz, 30 dB gain
THD 0.00024 % @1 kHz, 40 dB gain
THD 0.00046 % @1 kHz, 50 dB gain
THD 0.00092 % @1 kHz, 60 dB gain