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Description
- Drives 40W Into a 4-Ohm Load
- "Install-&-Forget" Mono Mixer/Amplifier
- For Store, Museum, Transportation & More
- Compact Design, Fits In Wall/Ceiling
- 2 x Line Inputs, 1 x Mic Input
- 70/100V Line Input Option
- Facility Port Input Option
- Selectable Mic-Over-Line Priority
- Selectable Line 1-Over-Line 2 Priority
- Energy Efficient
The Cloud USA MA40F is a mono mixer/amplifier for use in AV systems and installations with an audio component. At 8.7 x 1.6 x 5.7", it is compact enough to fit into a wall or ceiling mount, or to be placed conveniently next to projectors, displays, and loudspeakers. As such, it is suitable for gallery/museum exhibitions and tour-guide systems. It can also work with digital signage systems, providing a vast improvement over the audio typically found in such devices. The amplifier handles 40W into a 4-Ohm load, though it can also operate with 12 to 24 VDC power supplies, making the MA40F suitable for installations where an AC mains power supply isn't on hand - places such as trams, river-boats, and buses.
The MA40F can mix a balanced microphone input with two unbalanced stereo connections, summing the stereo inputs to mono internally and outputting them via the music channel. Also available, is a Facility port input option, which enables you to connect the LM-2A remote input module for wired sources or the BT-1FA input module for Bluetooth wireless sources (both available separately). Microphones, and/or line sources such as wireless mics, DJ mixers, MP3 players, laptops - including Bluetooth-equipped tablets and smartphones - can then be connected locally, simplifying the setup process for presentations where portable audio sources are in use. Additionally, the microphone input can be configured to directly connect to either a 100V-line or 70V-line PA/VA system, allowing the unit to carry paging and/or emergency announcements made using the building's main system.
Rear-panel DIP switches enable you to set various priorities, such as Line 1 over Line 2, or Mic over music. Configured in this way, you can connect message stores, or cause the music channel to automatically attenuate whenever microphone signal is present; this comes in handy for announcements. For microphones requiring 12V phantom power, an internal jumper is available. A music mute input is also provided, which can be hooked into an emergency system and permits compliance with local Fire Authority regulations; when the music mute is instantiated, the microphone input remains active, and a front panel MUTE LED illuminates. The inputs and outputs provided are all plug-in screw terminal connections.
On the front panel, you'll note controls for Mic, Line 1, and Line 2 levels, as well as low-frequency and high-frequency controls for the music channel to better accommodate the acoustics of your given space. On the rear of the unit, you'll see that the mic and line inputs have a control knob for gain. An energy-efficient amplifier, the MA40F features a user-selectable power-down function, which automatically puts the unit into a low-current standby mode when it ceases to receive signal after a predetermined amount of time.
- Key Features
-
- Compact, mono mixer/amplifier module for "install-and-forget" situations
- Suitable for use with in-store digital signage, gallery/museum exhibits, and fixed or mobile tour guide systems
- Drives 40W into a 4-Ohm load
- Compact design � small enough to be fitted into wall or ceiling voids
- Two (unbalanced) stereo line inputs with individual sensitivity trims � stereo inputs are summed to mono internally
- Electronically balanced mic input with separate gain control
- Phantom power selectable by internal jumper
- Front-panel control of music and mic levels
- HF & LF EQ adjustments for music sources
- Mic input configurable for direct connection to 100/70 V-line system � allows MA40F to receive announcements from main building PA/VA system
- Mic input can be used with paging mics � compatible with the PM1 single-zone, paging mic (available separately)
- Paging is configurable as automatic voice-over-music (VOX mode) or contact closure via access port
- Selectable Line1-over-Line 2 priority
- Facility port input option allows for connection of the LM-2A remote input module for wired sources or the BT-1FA input module for Bluetooth wireless sources (both available separately)
- Music Mute control input (N/O or N/C) for interface to emergency system
- Selectable 65 Hz high-pass filter for use with 100/70/25 V-line systems
- Plug-in screw terminal connectors
- Automatic power-down function (user-selectable)
- Operates from any external DC supply between 12 and 24V
- Energy-efficient � less than 1W power consumption in sleep mode
- Convection cooled � silent during operation
- PSU meets US DoE Level VI energy requirements
- Universal AC adapter included (100-240 VAC)
Cloud USA MA40F specs
| Line Inputs | |
|---|---|
| Frequency Response | 20 Hz to 20 kHz (±1 dB) |
| Distortion | < 0.1 % |
| Sensitivity | 0.2 V (-12 dBu) to 1.95 V (+8 dBu) |
| Input Gain Control | 20 dB range |
| Input Impedance | 10 kOhms (unbalanced) |
| Headroom | > 12 dB |
| Noise | < -90 dB |
| EQ Frequency Bands (Fixed) | LF: ±10 dB at 50 Hz HF: ±10 dB at 10 kHz |
| Facility Input | |
|---|---|
| Input Impedance | 10 kOhms (balanced) |
| Sensitivity | 0.775 V (0 dBu) |
| Microphone Input | |
|---|---|
| Frequency Response | -3 dB at 120 Hz (filter) to 20 kHz ±1 dB |
| Distortion | < 0.1% |
| Gain | 10 to 50 dB |
| Input Impedance | > 2 kOhms (balanced) |
| Headroom | > 12 dB |
| Noise | < -90 dB |
| Phantom Power | +12 V (internal jumper) |
| Output | |
|---|---|
| Output Power | 40 W, DC input > 21 V (1 kHz continuous sine wave) |
| General | |
|---|---|
| I/O | Screw terminal connections |
| Power Input | 12 to 24 VDC (External 24 VAC adapter supplied) |
| Power Consumption | 47 W |
| PSU | External, Universal-type, 100-240 VAC, 47/63 Hz |
| Amplifier Protection | Fixed-level signal limiter Protection against DC PSU overcurrent, amplifier overcurrent, over-temperature, supply voltage under/over-voltage Resettable internal breaker (no fuses) |
| Dimensions (W x H x D) | 8.7 x 1.6 x 5.7" / 22.0 x 4.1 x 14.5 cm |
| Weight | 26.5 oz / 750.0 g |
- Power Adapter
- Limited 5-Year Warranty
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Bulk Discount
| Quantity | Price |
| 2 | ₹ 53312.0 |
| 3-5 | ₹ 52768.0 |
| 5-10 | ₹ 51680.0 |
| 10+ | ₹ 50592.0 |
Bulk discount will be automatically applied during checkout based on quantity.