MLA-4 - Uncategorized Louroe Electronics - Free user manual and instructions
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| Product Type | Audio Monitoring Interface |
| Brand | Louroe Electronics |
| Model | MLA-4 |
| Channels | 4 |
| Input Type | Balanced Mic/Line |
| Output Type | Balanced Line Out |
| Phantom Power | +48V (per channel) |
| Power Supply | 12V DC, 500mA (adapter included) |
| Dimensions (W x D x H) | 19 x 6.5 x 1.75 in (rackmount, 1U) |
| Weight | 3.5 lbs |
| Frequency Response | 20 Hz - 20 kHz |
| Signal to Noise Ratio | > 90 dB |
| Total Harmonic Distortion | < 0.05% |
| Input Impedance | 2 kOhm (mic), 10 kOhm (line) |
| Output Impedance | 100 Ohm |
| Controls | Individual gain knobs, mute switch per channel |
| Indicators | Power LED, signal present per channel |
| Mounting | 19" rackmount brackets included |
| Maintenance | Clean with dry cloth; no internal user-serviceable parts |
| Safety | Use only supplied power adapter; keep away from moisture |
| Spare Parts | Contact Louroe for replacement power adapter or rack ears |
| Reparability | Repairs by qualified technician only |
Frequently Asked Questions - MLA-4 Louroe Electronics
How many channels does the MLA-4 have?
The MLA-4 has 4 independent channels, each with balanced mic/line input and line output.
Does the MLA-4 provide phantom power?
Yes, each channel can supply +48V phantom power, controlled by individual switches.
What power supply is required?
The MLA-4 requires a 12V DC, 500mA power adapter with a center-positive 2.1mm plug. The adapter is included.
Can the MLA-4 be mounted in a rack?
Yes, it is a standard 1U rackmount unit with included rack ears. Dimensions are 19 inches wide.
How do I connect microphones to the MLA-4?
Use XLR cables for mic inputs. For line-level sources, use 1/4" TRS or XLR cables. Set the input type switch accordingly.
What is the frequency response of the MLA-4?
The frequency response is 20 Hz to 20 kHz, suitable for most audio monitoring applications.
How do I adjust the gain on each channel?
Each channel has a rotary gain knob. Turn clockwise to increase gain. Additionally, a mute switch cuts the output when engaged.
Is the MLA-4 compatible with line-level sources?
Yes, each channel has a line input switch that sets the input impedance for line-level signals. Use balanced 1/4" TRS cables.
What should I do if a channel is not working?
Check the gain knob, mute switch, and phantom power settings. Ensure cables are securely connected. If the problem persists, test with a known working source and cable.
How do I clean the MLA-4?
Disconnect power and clean the exterior with a soft, dry cloth. Do not use liquids or abrasives.
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