Analog tube preamp for microphone or musical instrument. It includes built-in equalizer, compressor, two processors, pre-amp 610B and leveler 1176LN. This equipment can be used independently or as a single studio channel. Pre-amp 610B has microphone inputs with switchable + 48V Phantom, line input, instrument input on the front panel, selectable input impedance 500 or 2k for microphone input, 13.8k for line input and 2.2m or 47k for instrument input, phase rotation switch, PAD switch, equalizer controls (1.5, 3, 4.5, 6, 9 dB) and higher or lower frequencies selecting switch. Leveler 1176LN contains input and output volume knob, compression switch, Attack and Release controls and VU meter control (Pre, Gain Reduction, Comp). Dimensions: 19" x 2U. Weight: 5.5 kg.