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VCM-88E

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General Specifications INPUT Input Type: Euroblock Input Impedance: 20K ohm balanced, 10K ohm unbalanced Max input level: +23dBu *Input jack may be internally selected as a single in/out patch point OUTPUT Output Type: Euroblock Output Impedance: 200 ohm pseudo-balanced, 100 ohm unbalanced Max output level: +22dBu AUDIO PERFORMANCE Nominal Gain: 0dB +/-0.5dB Gain Range: +20dB to -75dB Frequency Response: +/-0.2dB 20Hz-20KHz THD: < 0.01% at 0dBu and 1KHz < 0.15% at +20dBu, 20Hz-20KHz Output Hum & Noise: <-94dBu 20Hz-20KHz unweighted Crosstalk: <-80dB at 20KHz LIMITER Threshold Range: -23dBu to +22dBu Compression Ratio: 10:1 DATA INPUT Input Type: RS-232 using Protea System Software Data Format: 2Vp raised-cosine, RS-232 or RS-422; 1 start, 9 data, 1 stop bits at 4800 baud DC CONTROL INPUTS Input Type: 15-pin female D-sub connector Control Voltage: -4V to +15V provided for external 10K ohm potentiometers OVERALL Size: 19"L x 1.75"H x 6"D Power Requirements: 95-125VAC, 50-60Hz, 18W (240V available) Shipping weight: 9 lbs. RD-8, RW-8 SPECIFICATIONS Fader Range: +10dB to -75dB (master fader at 0dB) Data/Power Connector: Male XLR jack Max Data Cable Length: 1500 ft. of 24 ga. twisted pair Data Format: 4800 baud, 2Vp raised cosine Data crosstalk to audio: <-120 dB along 1000' of 150 ohm shielded cable Size: 7.5"L x 3.5"H x 1.75"D Power Requirements: Phantom powered by VCM-88 or VCM-88E Shipping Weight: 13 lbs.

Architect Specifications VCM-88E The VCA unit shall contain 8 independent voltage controlled amplifier channels capable of 20dB of amplification as well as 75dB of attenuation. Each channel shall also have a limiter with a wide-range of threshold level adjustment and a limiter active indicator. Each channel shall have a balanced input and output euroblock connector. Each channel shall have the ability to combine unbalanced input and output connections. The VCA unit shall provide a master level control and a master sum output euroblock connector for the unit to function as a stand-alone, remotely controllable line mixer. The VCA unit shall be remotely controllable digitally over a standard RS-232 serial cable. The VCA unit shall provide phantom power the remote controller and receive data over at least 1500 feet of 24 gauge shielded twisted pair. The unit shall also have a data reception indicator and a remote disable switch. The VCA channels and master level shall also be remotely controllable by DC voltages through a euroblock connector using standard linear taper potentiometers. The VCA channels and master level shall also be remotely controllable by a PC connected by a standard serial port and cable using Ashly Protea System Software, AMX or Crestron control software. The VCA channels and master level shall also be remotely controllable via MIDI. The unit shall have internal patching capabilities to route individual channel’s input and output to any channel. The output noise at unity gain on each channel shall be less than -94dBu unweighted over 20Hz-20kHz. The total harmonic distortion shall be less than 0.05% at 0dBu. Crosstalk between adjacent channels shall be less than 80dB over 20Hz-20kHz. The frequency response shall be flat +/-0.2dB over 20Hz- 20kHz. The VCA unit shall weigh no more than 9 lbs. net and mount into 1 rack space (1.75”) of a standard 19” rack. The power requirement shall be 100-125VAC, 50-60Hz at less than 18W. The unit shall be the Ashly Audio VCM-88E. The remote controller shall control 8 channels plus the master level using slide faders. Each channel and the master shall have an on/off switch with an indicator light. There shall also be a remote disable indicator that illuminates when the remote controller has been disabled at the VCA unit. The remote controller shall be phantom powered by the VCA unit so that no batteries or AC line cords are needed while controlling the VCA unit over 1500 feet of cable. The remote controller shall have a low profile for desk-top operation and must have provisions to be rack mounted where two remote controllers will occupy no more than two 19” rack spaces (3.5” high). The data signal shall not have characteristics which would cause digital crosstalk noise into adjacent microphone-level channels in a multichannel snake cable. This data crosstalk noise shall be less than -110dB along 1000 feet of adjacent 150 ohm microphone lines. The remote controller shall be available in a desk-top/rack-mount version as well as a wall-mount version for permanently installing into a standard 4-gang electrical box. The desk-top/rack-mount remote controller shall be the model RD-8 and the wall-mount remote controller shall be the model RW-8.

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