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Technical Specifications| frequency response | 3 – 50, 000 Hz |
|---|---|
| signal-to-noise ratio | 102dB |
| THD | 0.02% |
| channel separation | 80dB |
| input sensitivity | 0.5 to 12VRMS |
| input impedance | >40kOhms |
| power supply operating range | 10 to 16VDC |
Dimensions| length | 22 3/4" |
|---|---|
| width | 10 5/8" |
| height | 3" |
Button to engage or bypass the lowpass filter.
Control to set the lowpass crossover point from 50Hz to 5kHz.
Button to engage or bypass the highpass filter.
Control to set the highpass crossover point from 50Hz to 5kHz.
Rotational diagram for basic setting of crossover frequencies.
Note on creating a bandpass filter by engaging both highpass and lowpass filters.
Explanation of bridging amplifier channels for 4 Ohm mono output.
Example of wiring two 8 ohm woofers for 4 ohm bridged impedance.
Warning about minimum 4 Ohm load to avoid amplifier damage and voiding warranty.
Description of RCA input jacks for connecting audio signals.
Connecting signals and adjusting sensitivity for channels 1/2.
Connecting signals and adjusting sensitivity for channels 3/4.
Connecting signals and adjusting sensitivity for channels 5/6.
Using select buttons to route signals to different channels.
Step-by-step guide to setting amplifier input gain levels.
Recommendation for speaker wire gauge and connection procedure.
Instructions for installing banana jacks into the speaker block.
Explanation of the amplifier's temperature-controlled cooling fans.
Importance of adequate breathing room for peak efficiency.
Details on third-order 18dB/octave Butterworth filters.
Variable controls for Highpass, Lowpass, Bandpass, or All-pass.
Separate crossover for output RCA jacks for other amplifiers.
Circuit that reduces voltage at 185F to prevent shutdown.
Referral to troubleshooting section or technical department for issues.
Chart for selecting appropriate power cable gauge based on current and length.
Method to calculate total current draw for multiple amplifiers.
Connecting the remote turn-on wire from the source unit.
Formula to determine total system amperage draw based on RMS power.
Example calculation for a 6-channel amplifier's current draw.
Steps to diagnose and resolve an amplifier with no output.
Troubleshooting steps for a single channel with no sound.
Diagnosing and resolving squealing sounds from amplifier channels.
Addressing amplifier volume softening due to thermal protection.
Guidelines for mounting amplifiers, avoiding enclosures without ventilation.
Instructions for moving and tightening mounting flanges.
Procedure for connecting the main power cable to the amplifier.
Steps for establishing a proper ground connection for the amplifier.
Wiring diagram for a basic 2-channel three-way triamp system.
List of tools required for amplifier installation.
Recommendation to use a factory authorized installation technician.
Warning to remove the negative battery cable before installation.
Wiring diagram for a biamp system with dual-bridged subwoofers.
Specifications for continuous RMS output power at different impedances.
Details on crossover quantity, type, slope, and alignment.
Recommendation for external fusing to protect the vehicle.
How to calculate main fuse rating for single or multiple amplifiers.
Wiring diagram for a four-channel system with a bridged subwoofer.
Wiring diagram for a four-channel fully active system with subwoofers.
Description of the amplifier's symmetrical topology and power supply.
Explanation of the isolated input section and instrumentation amplifier.
Up to 12VRMS input signal voltage capability with -12dB attenuator.
Details on third-order 18dB/octave Butterworth crossover topology.
Wide bandwidth/low distortion symmetrical gain output stage.
Features 3 oz. gold plated copper circuit board and proprietary heatsink.
High efficiency forced-air cooling system.
Solid copper high-current power distribution busbars.
Three fully variable and independent electronic crossovers.
Ability to assign crossover inputs.
24-Karat gold plated brass circuit board mounted 4 gauge blocks.
24-Karat gold plated brass circuit board mounted 10 gauge blocks.
Tinted plexiglas circuit board viewing panel.
Solid billet CNC machined end panels with adjustable mounting flanges.
Frequency response range of the amplifier.
Signal-to-noise ratio of the amplifier.
Total Harmonic Distortion (THD) rating.
Channel separation rating.
Input sensitivity range of the amplifier.
Input impedance of the amplifier.
Operating voltage range for the power supply.
Physical dimensions of the D7056 amplifier model.
