Cloud USA CX261 1 U Rackmountable Stereo Audio Mixer

Cloud USA CX261 1 U Rackmountable Stereo Audio Mixer

Cloud USA CX261 1 U Rackmountable Stereo Audio Mixer

B&H # CLCX261 MFR # CX261
Cloud USA CX261 1 U Rackmountable Stereo Audio Mixer

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Cloud USA CX261 overview

  • 1Description

The CX261 1 U Rackmountable Stereo Audio Mixer from Cloud USA is intended for multi-purpose areas where simple control of high-quality background music needs to be combined with a flexible range of paging options. It has six stereo line inputs with one or two microphone inputs. It features separate front panel controls for music source selection, music level and mic levels. In addition to the main stereo output, there is a transformer-isolated mono auxiliary output which is suitable for providing a MOH (Music On Hold) output to a telephone system. All outputs are balanced at line level. LINE 1 input may be switched (on the rear panel) to an alternative front-panel 3.5mm jack socket, to permit convenient connection of an MP3 player, laptop, or similar portable audio source. A front panel LED confirms its selection. This input is provided with an independent front panel gain control and LED signal level indication.

The CX261 audio mixer is fully compatible with the Cloud PM Series of paging microphones. The mixer may also be configured to operate with third-party paging systems, either mic input may be enabled via a simple short-to-ground access connection. A switchable isolating transformer configures Mic 1 input for direct connection to a telephone system, enabling paging messages to originate from an extension. Mic-over-music priority (Automatic Voice-Over) may be selected by internal jumper, and may be triggered either by the access connector or automatically by a mic signal (VOX mode). Additionally, Mic 1 may be set to have priority over Mic 2. Bi-color LEDs indicating signal level are fitted to the rear panel to aid mic gain adjustment.
The Line 6 input may be set to have priority over any other selected music input to facilitate connection of a jukebox, digital sound store, or similar device. One of three release times (up to 12 seconds) may be selected by internal jumper, to unobtrusively restore the original music source. A Music Mute Input is provided, which may permit compliance with local Fire Authority regulations, the microphone inputs remain active when the Music Mute is applied.


With Standard Cloud Remote Control Panels: RL-1 Series (music level) and RSL-6 Series (music level and source selection)


1 U 19" rack mounting unit
Versatile stereo mic/line mixer for installed audio applications
Six (unbalanced) stereo line inputs with individual gain controls
Two electronically-balanced mic inputs
Front panel control of music source/level and both mic levels
Front panel input (3.5mm jack) for MP3 player and more, with gain control (overrides rear panel Line 1 input) and LED level indication
Separate HF & LF EQ adjustments for music and mic sources
Mic 1 input configurable as transformer-isolated line input (with separate gain control) for connection to phone system
Mic 1 priority over Mic 2 (selectable)
Short-to-ground access connector or VOX-triggered voice-over-music priority on both Mic 1 and Mic 2 inputs
Selectable Line 6 priority with choice of release times
Music mute control input (N/O or N/C) for interface to emergency system
Electronically-balanced stereo main output
Mixer can be configured by internal jumper for mono operation
Transformer-isolated mono auxiliary output for use with telephone MOH systems
Aux output source selection (internal jumper) - follows main output or always Line 2
Loudspeaker EQ cards (sold separately)
UPC: 017817533317
Table of Contents
  • 1Description

Cloud USA CX261 specs

Line Inputs
Frequency Response 20 Hz to 20 kHz, +0, -0.5 dB
Distortion <0.05% typical, 1 kHz
Sensitivity 0.775 V (0 dBu), +/-12 dB
Input Gain Control 24 dB
Input Impedance 48 kOhms
Headroom >20 dB
Noise <-88 dB rel 0 dBu (typical); A-weighted, rms
Equalization LF: +/-10 dB @ 50 Hz
HF: +/-10 dB @ 10 kHz
Type MP3
Frequency Response 20 Hz to 20 kHz, +/-0.5 dB
Distortion <0.05% @ 1 kHz
Sensitivity -20 dBu to +4 dBu
Gain Adjustment 24 dB range
Microphone Inputs
Frequency Response -3 dB @ 100 Hz (filter), +/-0.5 dB @ 20 kHz
Distortion <0.05%, 20 Hz to 22 kHz
Gain Range 40 dB range
Sensitivity -10 dBu to -50 dBu
Input Impedance >2 kOhms (balanced)
Common Mode Rejection 1 kHz, >70 dB
Headroom >20 dB
Noise -125 dB EIN, A-weighted, 150 Ohms
Equalization LF: +/-10 dB @ 100 Hz
HF: +/-10 dB @ 5 kHz
Type Tel
Frequency Response -3 dB @ 100 Hz (filter); <-0.5 dB @ 20 kHz
Distortion <0.05%, 200 Hz to 20 kHz
Sensitivity -20 dBu to +4 dBu
Headroom >20 dB
Output Level Main: 0 dBu (nominal)
Aux/MOH: -6 dBu (nominal)
Minimum Load Impedance Main: 1.2 kOhms
Aux/MOH: 600 Ohms
Maximum Output Level Main: +20 dBu
Aux/MOH: 0 dBu
Power Input 85 to 253 VAC, 50/60 Hz
Current Consumption 46.5 mA at 240 V
Fuse Rating 1A
Fuse Type: T1A, 0.7 x 0.2" (20 x 5 mm)
Dimensions (W x H x D) 19 x 1.7 (1 U) x 6" (48 x 4.3 x 15 cm)
Weight 4.8 lb (2.2 kg)

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