| Model  | 
                             VC-23 / VC-34  | 
                          
                          
                            | INPUT  | 
                              | 
                          
                          
                            | Connectors | 
                            1/4" TRS, female XLR (pin 2 hot)  | 
                          
                          
                            | Type | 
                            Electronically balanced/unbalanced, RF filtered | 
                          
                          
                            | Impedance | 
                            Balanced 10 k ohm, unbalanced 5 k ohm | 
                          
                          
                            | Maximum Input Level | 
                             £¾+20dBu balanced or unbalanced | 
                          
                          
                            | CMRR | 
                              | 
                          
                          
                            | OUTPUTS  | 
                              | 
                          
                          
                            | Connectors | 
                            1/4" TRS, male XLR (pin 2 hot) | 
                          
                          
                            | Type | 
                            Impedance-balanaced/unbalanced, RF filtered | 
                            
                          
                          
                          
                            | Impedance | 
                            Balanced 100 ohm, unbalanced 50 ohm | 
                          
                          
                            | Max Output Level | 
                            £¾+21dBu balanced/unbalanced into 2k Ohm or greater | 
                          
                          
                            | SYSTEM SPECIFICATION  | 
                              | 
                          
                          
                            | Bandwidth | 
                            20Hz to 20kHz, +/-0.5dB  | 
                          
                          
                            | Frequency Response | 
                            £¼8 Hz to £¾50kHz, +0/-3dB | 
                          
                          
                            | Signal-to-Noise | 
                            Ref: +4 dBu, 22 kHz measurement bandwidth | 
                          
                          
                            | Stereo Mode | 
                            £¾94dB (Low Output) 
                                £¾93dB (Mid Output VC-34) 
                                 £¾92dB (High Output) | 
                          
                          
                            | Mono Mode | 
                            £¾94dB (Low output) 
                              £¾93dB (Mid output VC-23)/93dB(High Mid output & Low Mid output VC-34)  
                              £¾92dB (High output) | 
                          
                          
                            | Dynamic Range | 
                            £¾114 dB, unweighted, any output | 
                          
                          
                            | THD + Noise | 
                            £¼0.03% at +4 dBu, 1 kHz 
                              £¼0.05% at +20 dBu, 1 kHz | 
                          
                          
                            | Interchannel Crosstalk | 
                            £¼-80dB, 20Hz to 20kHz | 
                          
                          
                            | CROSSOVER FREQUENCIES | 
                              | 
                          
                          
                            | Sub Woofer | 
                            80 to 250Hz | 
                          
                          
                            | Low | 
                            60 to 1.3KHz or 600Hz to 13kHz (x10 setting) | 
                          
                          
                            | Low/Mid(VC-34) | 
                            60 to 1.3KHz or 600Hz to 13kHz (x10 setting) | 
                          
                          
                            | Mid/High | 
                            60 to 1.3KHz or 600Hz to 13kHz (x10 setting) | 
                          
                          
                            | Filter type | 
                            Linkwitz-Riley, 24 dB/octave, state-variable | 
                          
                          
                            | FUNCTION SWITCHES  | 
                              | 
                          
                          
                            | Mute | 
                            Activates signal mute on Low,High,Mid(VC-34) 
                              Subwoofer per channel | 
                          
                          
                            | Front Panel (Low Cut) | 
                            Activates 15 Hz Butterworth, 12 dB/octave high-pass filter, one switch per channel | 
                          
                          
                            | x1 / x10 Range Selector  | 
                              Multiplies the low-high(mono: low/mid and high/mid) crossover frequency range of the front-panel markings by a factor of 1 or 10, one switch per channel | 
                          
                          
                            | Rear Panel | 
                              | 
                          
                          
                            | Mode | 
                            Selects stereo 2-way or mono 3-way of VC-23/Stereo 3-way or mono 4-5-way of VC-34 operation and disables all LEDs for controls that are non-functional in the selected mode | 
                          
                          
                            | Ground Lift | 
                            Disconnects from AC ground | 
                          
                          
                            | INDICATORS  | 
                              | 
                          
                          
                            | Stereo Operation | 
                            LED OFF | 
                          
                          
                            | Mono Operation | 
                            Yellow LED Turn on | 
                          
                          
                            | Peak | 
                            Red LED per channel | 
                          
                          
                            | x10 | 
                            Green LED per channel | 
                          
                          
                            | POWER SUPPLY  | 
                              | 
                          
                          
                            | Operating Voltage | 
                            100VAC 50/60Hz, 120VAC 60Hz 
                              230 VAC 50/60Hz | 
                          
                          
                            | Power consumption | 
                            15W | 
                          
                          
                            | Main Connection | 
                            IEC receptacle | 
                          
                          
                            | PHYSICAL | 
                              | 
                          
                          
                            | Dimensions: W x H x D | 
                            483 x 44x176 mm  | 
                          
                          
                            | Shipping/CBM | 
                            0.0255  | 
                          
                          
                            | Net Weight | 
                            2.5 kg | 
                          
                          
                            | Shipping Weight | 
                            3.9 kg |