User Manual

SM Pro Audio Page 9 of 12 Tubebox Manual
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10 Specs
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Audio Inputs
Mic input connector TRS balance
Impedance 3k Ohms
Mic input gain 10dB to 60dB
Phase reversal switchable
Phantom power + 48V, switchable
Instrument input con. 1/4“ jack unbalanced (or XLR from back panel)
Instrument input gain 0dB to 45dB
Audio Outputs
Connectors XLR & 1/4“ jack (back panel)
Type Balanced & Unbalanced
Amplitube Frequency Response
Line in 10Hz to 40kHz within 1dB
Mic in 10Hz to 40kHz within 2.5dB
Compressor
Photoresistive servo operated
Ratio 1:1 - 10:1
Attack 1 ms – 100 ms
Release 0.1 s – 3 s
Filter
Shelving filter at 80 Hz
Slope: 16 dB
Meter
VU meter -20 dBu – + 3 dBu
Switched to Gain reduction when the compressor is switched ON
Performance
THD (Unweighted) 0.05%
Signal to noise > 101dB
Power Supply
500 series power supply required
SM ProAudio is constantly striving to maintain the highest professional standards. As a result of
these efforts, modifications may be made from time to time to existing products without prior notice.
Specifications and appearance may differ from those listed or shown.