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.
Compatibility
- With Standard Cloud Remote Control Panels: RL-1 Series (music level) and RSL-6 Series (music level and source selection)
General
- 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)
| 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 |
| Input |
| 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 |
| Input |
| 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 |
| Outputs |
| 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 |
| General |
| 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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