| 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-34operation 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 |