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Follow instructions, heed warnings, ensure proper ventilation, and protect power cords.
Avoid water, heat, and ensure proper plug/grounding for electrical safety.
Clean with dry cloth, unplug when not in use, and use specified accessories.
Prevent object/liquid entry, and refer damage requiring service to qualified personnel.
All servicing by qualified personnel; use manufacturer-specified replacement parts.
Maintain reliable grounding and disconnect power physically for safety.
Points for rack mounting and description of air vents and filter cleaning.
Explanation of blue illuminated strips and signal/clip indicator LEDs.
21-position detented controls for adjusting output levels of Channel 1 and Channel 2.
Explanation of PROTECT, BRIDGE, POWER, and PARALLEL LEDs and AC power switch.
Description of cooling fans and balanced/unbalanced input connectors.
Function of link XLR jacks and High Pass Filter slide switches.
Operation of limiter switch (US-3000/4000) and mode selector (Stereo/Parallel/Bridge).
Details on binding posts and Speakon™ output connectors for speaker connection.
Function of circuit breaker and AC input connector for power supply.
Protection against overheating heatsinks and DC voltage on outputs.
Protection against subsonic signals and excess current to output transistors.
Explanation of clip limiters to prevent distortion and protect amplifier/speakers.
Configuration of clip limiters for preventing distortion and protecting speakers.
Guidance on using HPF to optimize bass response and speaker performance.
Independent operation of channels for stereo output with minimum impedance.
Amplifying one signal to both outputs for feeding two speakers.
Combining channels for powerful single-channel output, with specific impedance warnings.
Diagrams for connecting speakers in Stereo Mode using binding posts or Speakon™.
Diagrams for connecting speakers in Parallel Mode using binding posts or Speakon™.
Diagrams for connecting speakers in Bridged Mono Mode using binding posts or Speakon™.
Guide to balanced XLR input and output wiring configurations.
Details on unbalanced 1/4" connectors and Speakon™ output connectors.
General| Type | Power Amplifier |
|---|---|
| Number of Channels | 2 |
| THD | <0.1% |
| S/N Ratio | >100dB |
| Frequency Response | 20Hz-20kHz |
| Input Impedance | 10k Ohms unbalanced, 20k Ohms balanced |
| Connectors Input | XLR and 1/4" TRS |
| Connectors Output | Binding posts and Speakon |
| Protection | Thermal, short circuit, DC offset, overload |
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