The Cloud 46-120MK2 & 46-240 are versatile four-zone, rack-mounting (2U) audio mixer amplifiers. Designed and built to Cloud respected standards, the 46 Series of mixer amplifiers are durable, robust and feature rich. It is ideal for any application where a powerful and versatile multi-zone mixer amplifier is required such as pubs, restaurants, bars, clubs and other entertainment locations, and also leisure and fitness centres, shops, offices, hotels, etc.

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)