Specifications
| Frequency Response | |
| E.Q. set flat | 20Hz - 20kHz 0.5dB |
| Maximum Output level | |
| Main output and Zone output active balanced | +20dBV |
| Distortion | |
| Stereo, auxiliary, mic busses etc. to related O/Ps | <0.01% typically <0.005% |
| Noise Measured 20Hz - 20kHz | |
| Stereo inputs e.q. flat gain set to max | EIN < 98dBU |
| RIAA stage ref. 5mV 1kHz Input shorted | -80dBV 'A' weighted |
| Microphone input (ref 150R) | EIN < 124dBU |
| Gain | |
| Stereo inputs rear trim @ max. | ±15dB |
| Stereo inputs rear trim @ min. | +0dB -20dB |
| Microphone input max. | +75dB |
| Microphone input min. | +0dB |
| Maximum Input Level | |
| Stereo input A (line) | +20dBV |
| Stereo input A (RIAA) | -8dBV 400mV |
| Stereo input B | +20dBV |
| Microphone | +4dBV |
| Input Impedances | |
| Stereo input A | >47K ohms |
| Stereo input B | >10K ohms |
| Microphone input | >2K ohms active balanced |
| Equalisation | |
| 3 band e.q. per channel +6dB -20dB @ | Treble 10kHz Mid 1kHz Bass 100Hz |
| Internal channel jumpers allow the e.q. stage to be disabled if required. | |
| Dimensions (Excl. knobs & connectors) | |||
| Width | Height | Depth | |
| 8 Channel | 483mm (19") | 312mm (12.5" 7RU) | 110mm (4.33") |
| 4 Channel | 330mm (13") | 312mm (12.5" 7RU) | 110mm (4.33") |
| 12 Channel | 635mm (25") | 312mm (12.5" 7RU) | 110mm (4.33") |
| Ext. PSU - PSU5 | 175mm | 75mm | 230mm |
| Installation Cutout | |||
| Height 312mm Width:- | 4 channel 280mm 8 channel 433mm 12 channel 585mm | ||
Formula Sound reserve the right to alter specifications at any time without notice.