Audio Input
Connectors: XLR and 1/4" jack
Type: RF filtered, servo balanced input
Impedance: 50 kOhms balanced, 25 kOhm unbalanced
Max. Input Level: +21 dBu balanced and unbalanced (unity gain)
CMRR type: 40 dB, > 55 dB @ 1 kHz
Audio Output
Connectors: XLR and 1/4" jack
Type: electronically servo-balanced output stage. Automatic level correction
for unbalanced use (6 dB).
Impedance: 60 Ohms balanced, 30 Ohm unbalanced
Max. Output Level: +21 dBu, +20 dBm balanced and unbalanced
System Specifications
Frequency Response: 16 Hz to 150 kHz, +/- 3 dB
Noise: > 95 dBu, unweighted, 22 Hz to 22 kHz
THD: 0.001 % typ. @ +4 dBu, 1 kHz, Gain 1
0.04 % typ. @ +20 dBu, 1 kHz, Gain 1
IMD: 0.01 % typ. SMPTE
Crosstalk: < -70 dB, 22 Hz to 22 kHz
Satellite High Pass Filter
Type: butterworth characteristics, 12 dB/Oct.
Cut-off frequency: 70 Hz
Subharmonic Synthesizer
Type: digital frequency shifter with waveform synthesizer
LEVEL: control variable (0 to 6)
Limiter
Type: limiter for the subharmonic synthesizer
Attack time: program dependent
Release time: 20 dB/s
Threshold: control variable (-6 dB to OFF)
Function Switches
Power: switches main power on/off
Process: switches signal to subharmonic processor on/off
Subharmonics: switches the digital frequency shifter between low and ultra-low
Limiter: switches the limiter on/off
X-Over: switches the crossover on/off
Ultrabass: routes subharmonics above 70 Hz to the satellites, when SPLIT mode is active
Indicators
Power LED: indicates the operation of the Ultrabass Pro
Processor LED: indicates the operation of the Subharmonic Synthesizer
Bass Level Meter: indicates the level of bass frequencies
Gain Reduction Meter: indicates the operation of the Limiter Left and Right
Output Meters: indicate the output levels of left and right channels
Power Supply
Mains Voltages: USA/Canada 120 V ~, 60 Hz
U.K./Australia 240 V ~, 50 Hz
Europe 230 V ~, 50 Hz
General export model 100 - 120 V ~, 200 - 240 V ~, 50 - 60 Hz
Fuse: 100 - 120 V ~: T 250 mA H
200 - 240 V ~: T 125 mA H
Power Consumption: max. 20 Watts
Mains Connection: standard IEC receptacle
Physical
Dimension: Height approximately 1-3/4" (44.5mm) x Width 19" (482.6mm) x Depth 8-1/2" (217 mm)
Net Weight: approximately 2.2 kg
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