Description Specifications ART Voice Channel Voice processor – Preamp The ART Pro Channel II™ uses second-generation discrete Class-A microphone preamp to provide clean quiet gain while maintaining incredible transparency. A powerful dynamics processor subtly controls transients and noise of the most demanding sources. The ART Pro Channel II™ ‘s semi-parametric EQ offers wide tune-ability and can be patched before OR after the dynamics processor. Separate rear-mounted insert points allow patching in external signal processing gear immediately after the Mic preamp and before the EQ and dynamics processor. Both analog and LED meters provide a detailed indication of audio levels. Key Features Fully Featured discrete class “A” Tube Microphone Preamplifier 1/4″ High Z input on the front panel Selectable plate Voltage Smooth musical sounding Optical Compressor Separate Attack and Release controls Auto/Manual Attack/Release switch Parametric EQ Large VU and LED meters Multi section clip monitor LED Selectable Source switches for VU signal monitoring of any section of the unit Two insert loops 4/-10 dB switch for optimal signal output levels Toroidal power transformer for low noise SPECIFICATIONS Input Impedance Mic 150 to 3.4K Ohms, variable Instrument 2.5M Ohms Preamp Insert 7.5K Ohms Output Impedance Balanced Output 600 Ohms balanced Unbalanced Output 300 Ohms Insert Outputs 300 Ohms Frequency Response Analog In to Analog Out 12 Hz to 100 KHz 0, -1 dB THD 1 KHz < .015% typical 20 to 20 KHz < .033% typical Equivalent Input Noise Mic/Line -128 dBu, Input shorted, Max gain, “A” weighted Instrument -109 dBu, Input shorted, Max gain, “A” weighted Maximum Input Level Mic 18 dBu balanced Instrument 15 dBu Maximum Gain Mic 70 dB (XLR to balanced output) Instrument 64 dB (1/4-inch to balanced output) Maximum Output level Balanced 24 dBu Unbalanced 20 dBu Output Level At Meter 0 VU 4 dBu/-10dBV Preamp Microphone Gain 0 dB to 56 dB Instrument Gain 3 dB to 50 dB Low Cut Filter 10 – 250 Hz, 1-pole, 6 dB/Octave EQ Boost/Cut 12 dB on each band Low Freq. Tuning 40 / 120 Hz Selectable MID 1 Freq. Tuning 20 Hz to 2 KHz continuously variable MID 2 Freq. Tuning 200 Hz to 20 KHz continuously variable High Freq. Tuning 6 KHz / 18 KHz Selectable Compressor/Limiter Attack Time 250 uSec. to 100 mSec. Release Time 100 mSec to 3 Sec. Compression Ratio 2:1 to 30:1 Dimensions (HxWxD) 3.50-inch x 19.0-inch x 9.17-inch 88mm x 482mm x 232mm Weight 11 lbs. / 4.99kg Power Requirements USA – 105 to 125 VAC/ 60 Hz Export units configured for country of destination.
