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Details

Cloud 46-80T - 4 x 80 watt, four zone 100 volt line, integrated mixer amplifier.

It combines simple control of background music, microphone paging and power amplification for up to four zones in a single unit and benefits from extensive remote control facilities with optional control panels.

The 46-80T has four mono zone outputs, each driven by an 80 W (nominal rating) power amplifier stage: if less than four separate zones are required, the power stages may be paralleled by moving internal jumpers to permit dual stereo, quad mono or stereo + dual mono operation, with accordingly increased output power. The power stages have extensive protection circuitry to safeguard both the amplifier and loudspeakers.

A low impedance version is also available - see the 46-80.

  • Eight input (6 x line, 2 x mic) mixing amplifier for four zones
  • Slave mode: power amplifier stages may be paralleled in various configurations and fed from a single programme source
  • Peak limiter to protect power amplifier stages and loudspeakers
  • Utility/Loop output with independent mic/music mix and user-definable music source
  • Balanced, line level aux outputs (pre-power stage) from Zones 1 and 2
  • Four balanced and two unbalanced stereo line inputs with individual gain trim controls
  • Two balanced mic inputs; 15 V phantom power selectable on either or both
  • Zone 1 Facility Port for connection of optional remote input plates: LM-2 mic/line input + music controls, BT-1 Bluetooth input, L-1 line input, M-1 mic input
  • Music Mute control input (N/O or N/C) for emergency alarm system
  • Compatible with standard Cloud remote control panels: RL Series (music level) and RSL Series (music level and source selection), per-zone
  • RS-232 port for serial control of per-Zone MIC 1 muting, music level and source plus global unit standby, Music Mute and MIC 2 muting
  • User–selectable Automatic Power Down for maximum energy efficiency
  • Convection-cooled (no fan): silent in operation

Additional Information

Line Inputs 1 & 2 (unbalanced)

Frequency Response

±0.5 dB, 20 Hz to 20 kHz

THD + N

<0.02%, 1 kHz sine wave

Sensitivity

195 mV (-12 dBu) to 2.0 V (+8 dBu)

Gain control range

-10 dB to +10 dB

Input Impedance

10.2 kohms

Headroom

17 dB

Noise

<-88.5 dB (nominal gain, max level, 22 Hz to 22 kHz)

Line Inputs 3 to 6 (balanced)

Frequency Response

-0.5 dB @ 20 Hz; -0.5 dB @ 20 kHz

THD + N

<0.015%, 1 kHz sine wave

Sensitivity

195 mV (-12 dBu) to 2.0 V (+8 dBu)

Gain control range

-9 dB to +11 dB

Input Impedance

10.2 kohms

Headroom

17 dB

Noise

<-88.5 dB (nominal gain, max level, 22 Hz to 22 kHz)

Microphone Inputs

Frequency Response

-6 dB @100 Hz (fixed filter) to ±1 dB @ 20 kHz

THD + N

<0.05%, 1 kHz sine wave

Gain Range

10 dB to 48 dB

Common mode rejection

<58 dB @ 1 kHz

Input Impedance

3.3 kohms (balanced)

Headroom

18 dB

Noise (EIN)

-127.2 dB; 22 Hz to 22 kHz, maximum gain, Rs = 150 ohms

Phantom Power

15 V, individually selectable

Equalisation

HF: ±10 dB @ 5 kHz; LF: ±10 dB @ 100 Hz

Main Outputs

Low Impedance Outputs (Model 46-80)

80 W into 4 ohms

High Impedance Outputs (Model 46-80T)

100 V operation: 80 W constant voltage into 125 ohm minimum load

70 V operation: 70.7 W constant voltage into 62.5 ohm minimum load

Amplifier protection

Fixed level signal limiter, protection against DC, over current, over temperature

Cooling

Natural convection

Utility/loop Output

Frequency Response

±0.5 dB, 20 Hz to 20 kHz

THD + N

<0.01% @ 1 kHz

Nominal level

0 dBu (0.775 Vrms)

Aux Outputs (Zones 1 & 2)

Frequency Response

±0.5 dB, 20 Hz to 20 kHz

THD + N

<0.05% @ 1 kHz

Nominal level

0 dBu balanced (0.775 Vrms)

View FileCloud 46-80 Datasheet    Size: (614.66 KB)
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