Martinsound Martech Modular Studio Series, Owner'S Manual, Page: 23 / 28

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Microphone Preamplifier: Mic Preamp In > Mic Preamp Out
Minimum Gain (with Pad) 0 dB
Minimum Gain 20 dB
Maximum Gain 65 dB
Frequency Response
20 dB Gain, 10 Hz to 20 kHz -0.0/+0.5
65 dB Gain, 10 Hz to 20 kHz -0.0/+0.5
Equivalent Input Noise
65 dB Gain, Inputs Shorted -129.5 dBu Typical
65 dB Gain, 150 Ohm Source -126.5 dBu Typical
Total Harmonic Dist Noise
20 dB Gain @ 1 kHz, +24 dBu Out < 0.0015%
Common Mode Rejection Ratio
65 dB Gain @ 60 Hz 108 dB Minimum
65 dB Gain @1 kHz 85 dB Minimum
65 dB Gain @10 kHz 65 dB Minimum
Input Impedance @ 1 kHz 2450 Ohms
Output Impedance 50/50 Ohms
Maximum Input Level @ 1 kHz, THD < 0.003% +22.5 dBu (20 dB Pad In)
Maximum Output Level +24 dBu
Line Driver: Line In > Line Out
Maximum Gain 10 dB
Frequency Response: 10 Hz to 200 kHz +0.0/-0.25
Total Harmonic Dist Noise
0 dB Gain, 1 kHz, +4 dBu to +24 dBu Out < 0.001%
Input Impedance 20 k Ohms (Balanced)
Output Impedance 100 Ohms
Maximum Input Level +24 dBu
Maximum Output Level +24 dBu
Power Supply
Phantom Power 48 VDC
Power Consumption, Maximum 10 Watts
Power Requirements 100/120/220/240 VAC
50-60Hz
Dimension 4.2” x 5.25” x 12”
Weight 7.5 lbs.
*Measured using the Audio Precision THD+N: 10 Hz - 20 kHz BW
Source = 150 Ohms, Load = 10k Ohms EIN: 10 Hz - 20 kHz BW
Technical Specifications