B-band A1 Installation Instructions And User Manual - page 20
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A2.2 Specifications
S/N ratio Greater than –90 dB
Distortion 0,05 %
Frequency response 50 Hz - 20 kHz
Low-cut slope -6 dB/oct on both channels
Voltage gain:
- Input channel 1 +24 dB
- Input channel 2 + 24 dB
Input impedance:
- Input channel 1 50 M Ω
- Input channel 2 50 M Ω
Output impedance 150 Ω
Nominal output level -10 dB ref. 775 mV r.m.s.
Power supply 9-volt battery (not included)
Current consumption 1.5 mA typical
Connections Transducer inputs - 2.54 mm header
Output - 1/4” jack
Weight (with accessories) 53 g
Dimensions Ø13, L 98 mm (incl. jack)
A3.2 Specifications
S/N ratio Greater than –90 dB
Distortion 0,05 %
Frequency response 50 Hz – 23 kHz
Low-cut slope -6 dB/oct
Input channel voltage gain 24 dB
Input impedance 50 M Ω || < 10 pF
Output impedance 150 Ω
Bass control range -12 dB @ 70 Hz
Middle control range -12 dB @ 400 Hz
Treble control range -12 dB @ 2.5 kHz
Presence control range -12 dB @ 12 kHz
Nominal output level -10 dB ref. 775 mV r.m.s.
Power supply 9 V battery (not included)
Current consumption 0.8 mA typical
Connections Transducer input - 2.54 mm header
Output - 1/4” jack
Weight: (with accessories) 87 g
Dimensions: L 60 mm, W 47 mm, H 25 mm
14. SPECIFICATIONS
A1 and A1N Specifications
Intergraded notch filter
6db @ 180 Hz (A1N only)
S/N ratio Greater than –90 dB
Distortion 0,05 %
Frequency response 40 Hz – 23 kHz
Low-cut slope -12 dB/oct
Input channel voltage gain 24 dB
Input impedance 50 M Ω || < 10 pF
Output impedance 1 k Ω
Nominal output level -10 dB ref. 775 mV r.m.s.
Power supply 9-volt battery (not included)
Current consumption 0.8 mA typical
Connections Transducer input - 2.54 mm header
Output - 1/4” jack
Weight (with accessories) 42 g
Dimensions Ø13, length 86 mm (incl. jack)
A2 Specifications
S/N ratio Greater than –90 dB
Distortion 0,05 %
Frequency response 50 Hz - 20 kHz on both channels
Low-cut slope -6 dB/oct on both channels
Voltage gain:
- Input channel 1 +24 dB
- Input channel 2 + 24 dB / 0 dB
Input impedance:
- Input channel 1 50 M Ω
- Input channel 2 50 M Ω (2.2 k Ω with mic bias on)
Output impedance 150 Ω on both channels
Nominal output level -10 dB ref. 775 mV r.m.s. both
channels
Mic bias voltage 9 V through 2.2 k Ω
Preset treble enhancer +3 dB @ 6,3 kHz; +5 dB boost on
channel 1 @ 14 kHz.
Power supply 9-volt battery (not included)
Current consumption 1.5 mA typical
Connections Transducer inputs - 2.54 mm header
Output - 1/4” jack
Weight (with accessories) 49 g
Dimensions W 32 mm, H 18 mm, L 82 mm
(incl. jack)