Redbox RB-MM1 - Processor Sonifex - Free user manual and instructions
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| Product Type | Audio Processor / Mini Mixer |
| Brand | Sonifex |
| Model | Redbox RB-MM1 |
| Microphone Inputs | 1 x XLR (balanced, +48V phantom power switchable) |
| Line Inputs | 1 x stereo line input (RCA phono) |
| Outputs | 2 x balanced line outputs (XLR or 1/4" jack), 1 x headphone output |
| Frequency Response | 20 Hz - 20 kHz (±0.5 dB) |
| Phantom Power | +48 V DC, selectable via rear panel switch |
| Dimensions | Approx. 108 mm x 42 mm x 116 mm |
| Weight | Approx. 0.5 kg |
| Power Supply | External 12 V DC PSU (included) |
| Controls | Input gain, output level, phantom power switch, headphone volume |
| LED Indicators | Power (green), signal present (amber) |
| Mounting | Desktop or optional RA-1 rack mount kit |
| Main Functions | Microphone preamplification, stereo line mixing, headphone monitoring, output level control |
| Operating Temperature | 0°C to 40°C |
| Construction | Steel case with polyurethane paint, aluminum front panel |
| Safety | CE compliant, low voltage protection |
| Maintenance and Cleaning | Wipe with a soft dry cloth; do not use solvents or abrasive cleaners |
| Spare Parts and Repairability | No user-serviceable parts; refer to qualified service personnel for repairs |
| General Information | Free user manual available in PDF from the manufacturer' website |
Frequently Asked Questions - Redbox RB-MM1 Sonifex
How do I connect a condenser microphone to the RB-MM1?
Connect your condenser microphone to the XLR mic input on the rear panel. Ensure the +48V phantom power switch is set to ON if the microphone requires phantom power. Then adjust the input gain to achieve an appropriate level.
Can I use line-level sources with the RB-MM1?
Yes, the RB-MM1 has a stereo line input on RCA connectors. This is suitable for CD players, laptops, or other devices with line-level outputs. Use the input gain control to balance the level with the microphone input.
How do I enable phantom power for a capacitor microphone?
Locate the phantom power switch on the rear panel and set it to the +48V position. The LED indicator on the front panel will illuminate. Note: Always turn off phantom power before connecting or disconnecting microphones to avoid damage.
Can I monitor the audio using headphones?
Yes, plug your headphones into the front panel headphone output. Use the headphone volume control to set a comfortable listening level. The headphone amplifier drives standard 32-600 ohm headphones.
What output connections does the RB-MM1 support?
The unit provides two balanced line outputs on XLR connectors (pin 2 hot, pin 3 cold, pin 1 ground). These can feed mixers, recorders, or active speakers. A headphone output is also available on the front panel.
Can the RB-MM1 be mounted in a rack?
Yes, Sonifex offers an optional RA-1 rack mount kit that allows the RB-MM1 to be installed in a standard 19-inch equipment rack. The kit is easy to install and does not require additional modification.
What power supply does the RB-MM1 need?
The RB-MM1 is powered from an external 12V DC power supply which is included in the box. Connect the PSU to the DC input socket on the rear panel and then plug it into an AC outlet. Always use the supplied PSU to ensure correct voltage and polarity.
How should I clean and maintain the RB-MM1?
To clean the unit, wipe the external surfaces with a soft, dry cloth. Do not use solvents, alcohol, or abrasive cleaners. Ensure the device is disconnected from power before cleaning. There are no user-serviceable parts inside, so do not open the casing.
Is there a warranty or repair service for the RB-MM1?
Sonifex provides a 12-month warranty against manufacturing defects. If you need service, contact the dealer where you purchased the unit or Sonifex directly. Repairs should only be performed by authorized personnel to maintain safety and compliance.
Where can I download the user manual for the RB-MM1?
The full user manual is available for free in PDF format on the Sonifex website or through the Notice-Facile.com platform. It contains detailed specifications, connection diagrams, and operating instructions.
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USER MANUAL Redbox RB-MM1 Sonifex
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Product information
Brand : Sonifex
Model : Redbox RB-MM1
Category : Processor