46-120 MK2 4-Zone Mixer Amp 6-Line/2-Mic I/P 4x120W 4Ω/100V 2U

Product Features

• 4 x 120W Class-D Output per zone (4O/8O/70V/100V).
• Power Sharing in 70/100V modes.
• Limiters on each Zone plus Thermal/Short Protection.
• 6 Stereo Line-Inputs (4 Balanced).
• 2 Microphone Inputs with Priority Option.
• Utility Output with Mic & Music Gain Control.
• Remote Music Level and Source Selection 
• 2 x Facility Inputs for Zone1 (Z1&Z3 or ALL) & Zone2 (Z2&Z4). 
• Ethernet & RS232 Port.
• 2 Aux Outputs, Zone assignable (Z1 + Z2).
• Auto Stand-By Mode Function.
• Digital Paging Interface for Digital PM Paging Microphones.
• Remote Music Mute (NO or NC operation)for Fire Alarm Interface. 
• Efficient, Universal Power Supply.

Product Specifications

Line Inputs

• Frequency Response:  20 Hz to 20 kHz, ±1 dB
• Sensitivity:  195 mV (-12 dBu) to 2.0 V (+8 dBu)
• Input impedance:  >10 kohm (balanced/unbalanced)
• Headroom:  12 dB
• Noise:  <-90 dB (22 kHz bandwidth)
• Equalisation:  HF: ±10 dB @ 10 kHz; LF: ±10 dB @ 50 Hz

Microphone Inputs

• Frequency Response:  -3 dB @100 Hz (fixed filter) to 20 kHz, ±1 dB
• Sensitivity:  2.45 mV (-50 dBu) to 245 mV (-10 dBu)
• Input Impedance:  3.3 kohms (balanced)
• Phantom Power:  12 V, selectable by jumper
• Headroom:  18 dB
• Noise (EIN):  <-126 dBu
• Equalisation:  HF: ±10 dB @ 5 kHz LF: ±10 dB @ 100 Hz

Facility Inputs

• Frequency Response:  20 Hz to 20 kHz, ±1 dB
• Sensitivity:  0.775 V (0 dBu)
• Input impedance:  10 kohms (balanced)
• Headroom:  18 dB
• Noise Gate:  -60 dB

Main Outputs

• Output Power (1 kHz continuous sine wave):  120 watts per zone nominal; 240 W total available in Power Sharing mode using odd/even pairs
• Minimum load:
  • Low-Z output:  4 or 8 ohms
  • High-Z output:
    • 70V-Line:  41 ohms
    • 100 V-line:  66 ohms
• Frequency response:
  • Low-Z output:  20 Hz to 20 kHz, ±1 dB
  • High-Z output:  20 Hz to 20 kHz, ±1 dB (65 Hz filter off
• THD + N:  < 0.05% @ 1 kHz
• Protection:  Fixed level signal limiter: DC, over-current and over-temperature protection. Internal and external 20 mm cartridge fuses

Utility and Auxiliary Outputs

• Nominal output level:  0 dBu (0.775 Vrms), balanced
• Noise:  <-90 dB, 22 kHz bandwidth

General

• Power Input:  Universal type, 85 to 265 VAC, 45 to 65 Hz
• Fuse details:  5 x 20 mm, time delay, T5A
• Normal operating temperature 0 °C to 35 °C (Note: performance and specifications cannot be guaranteed outside of this range)
• Cooling Forced air cooling (front to back)
• Power consumption:
  • Standby:  9.35 W (29.33 VA)
  • Idle:  31.05 W (52.27 VA)
  • 1/8th Power:  105.7 W (124.65 VA)
  • 1/3rd Power:  169.73 W (185.09 VA)
• Dimensions (w x h x d):  482.6 mm x 88 mm (2U) x 407 mm (19” x 3.5” (2U) x 16.0”) (less connectors & knobs)
• Weight:  6.9 kg (15.46 lb)