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General| Rated Power | 80 W |
|---|---|
| Phantom Power | Yes |
| Speaker Outputs | 70V, 100V |
| Protections | Short Circuit |
| Power Supply | 230V AC 50/60Hz |
Ensures correct voltage connection and safe handling of the power supply cord.
Prevents liquid ingress and placement of liquid-filled objects or open flames.
Prohibits user modifications and specifies service by qualified personnel.
Advice on using screened cables to prevent noise on signal lines.
Guidelines for safe operation, including ventilation, load, controls, and cleaning.
Details the 80W mixer-amplifier with mic-line and aux inputs, and amplifier output options.
Describes low impedance (4 Ohm) and constant voltage (70/100V) output capabilities.
Explains the VOX circuit for automatic priority operation on input 1.
Describes the aux output for sending music to additional systems for 'music on hold'.
Details the PRE OUT aux output for routing the signal to external amplifiers.
Highlights the high-pass filter for mic-line inputs to improve speech intelligibility.
Mentions independent tone controls for the two auxiliary inputs.
Explains the function of front panel LEDs for status, protection, priority, and signal level.
Adjusts the input volume for the first mic-line channel.
Adjusts the input volume for the second mic-line channel.
Controls the input volume for auxiliary audio sources.
Buttons to enable/disable Auxiliary Inputs A and B, with status LEDs.
Controls the overall output volume of the internal amplifier.
Displays device status (ON, PROT), priority (PRIOR), and signal level (SIG/PK).
Main power switch to turn the unit on or off.
Details the removable connector for balanced audio input, including CMD pin.
Describes the removable connector for balanced audio input, referencing Channel 1.
Explains dip-switch settings for MIC/LINE sensitivity and phantom power.
Details RCA connectors for CHIME, MUSIC, TREBLE, HOLD, and PRE OUT.
Details RCA connectors for AUX INPUT A and AUX INPUT B.
Shows XLR and RJ45 connectors for inputs 1 and 2.
Provides examples of dip-switch settings for LINE, MIC, and PHANTOM modes.
Details balanced and unbalanced connection options for Channel 1 XLR input.
Explains RJ45 connection for Channel 2, including priority command and BM 3001 settings.
Describes TREBLE, BASS, and GAIN controls for auxiliary inputs.
Explains how stereo signals from AUX INPUT A/B are internally summed to mono.
Details the PRE OUT output for external amplifiers and its signal routing.
Describes MUSIC ON HOLD output for telephone systems, unaffected by volume controls.
Details settings for CHIME, TONE, PRIORITY, HI PASS, and VOX functions.
How to adjust the chime level using a screwdriver.
Explains output options for constant voltage (70/100V) and low impedance (4 Ohm).
Guidance on verifying voltage and fuse type at the mains connector.
Describes the VOX circuit for automatic channel opening and priority activation.
Explains 'MIX' mode where priority is disabled and all inputs are mixed.
Details how inputs are managed based on graduated priority levels.
Connection and settings for the BM 3001 paging microphone.
Instructions for connecting loudspeakers using 100V or 70V constant voltage lines.
Guidance on connecting loudspeakers to the 4 Ohm output, impedance limits, and power.
Warning against mixing 100/70V and 4 Ohm outputs simultaneously.
Details output power and frequency response.
Specifies signal-to-noise ratios for channels and aux inputs.
Lists distortion levels and auxiliary input bass/treble control ranges.
Details input sensitivity and impedance for mic-line and aux inputs.
Specifies phantom power voltage and current.
Details low impedance and constant voltage output specifications.
Lists amplifier and power supply protections (overload, fuses).
Covers operating voltage, power consumption, dimensions, and net weight.
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