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Cadence Q5000 Owner's Manual

Cadence Q5000 Owner's Manual

Qrs series

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QRS Series Amplifiers // Owners Manual

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Summarization of Contents

Amplifier Features Overview
Power and Protection Circuitry
Monitors heat sink temperature and voltages, protecting the amplifier from dangerous conditions via 2 LEDs.
Mute Circuit
Features an anti-thump, mute, and delay circuit to eliminate irritating speaker damaging transients.
Bass Equalization Circuitry
Includes a narrow 'Q' shelving equalization circuit preset at 45Hz with a boost control up to +12dB.
ADR: Active Dynamic Regulation
Proprietary power supply using 100% HexFET devices for high-speed switching and reserve voltage for peak demands.
Advanced Amplifier Features
Super Class AB Audio Stage Performance
Utilizes Japanese studio-grade, high current Bipolar audio transistors for cleaner sound with lower distortion.
Detailed Protection Circuitry
Details thermal, speaker short circuit, input overload, and DC offset protection mechanisms.
Installation Basics
Remote Turn On Connection
Connects to the barrier strip for turning the amplifier on/off with the system. Use antenna lead or accessory lead.
General Installation Precautions
Disconnect battery, layout system design, mount amplifier in trunk/hatch, ensure airflow, avoid gas/electrical lines.
Setting Controls: Audio Preamp Input
Use high-quality shielded RCA cables, run on opposite side of power leads, and keep noise minimal.
Subsonic Filtering
Use HIGH PASS mode with 30Hz frequency for vented enclosures to protect against subwoofer unloading.
Adjusting the System
Using Electronic Crossovers (4/5 Channel)
Features 12dB/octave adjustable low-pass and high-pass crossovers for various configurations.
Four Channel Amplifier Configurations
Examples: High Pass all channels, High Pass front/Low Pass rear, Bridged mono for subwoofers.
Crossover Mode and Frequency Settings
Details setting LOW PASS/HIGH PASS modes and frequency knobs for various models and applications.
Mounting and Wiring
Mounting the Amplifiers
Choose a convenient location with airflow, use mounting tabs, supplied screws and grommets. Do not over tighten.
Power and Ground Wiring
Fuse Specifications and Safety
Never replace the built-in fuse with one of a larger value. Consider additional fuses for protection.
Wiring Harness and Connections
Use appropriate gauge wire for power and ground. Ensure a clean ground connection and check for heat.
4 Channel Amp Clone Feature (Q3000/Q4000)
Using the Clone Function
Enables identical gain and crossover tracking between channels 1-2 and 3-4 for bridged 2-channel systems.
4 Channel Amp with Mixed Mono (Q3000/Q4000)
Mixed Mono Configuration Settings
Details crossover mode switch settings (HIGH PASS for CH 1-2, LOW PASS for CH 3-4) and component values for passive crossover.
4 Channel Amp with Dual Mixed Mono (Q3000/Q4000)
Dual Mixed Mono Configuration Settings
Requires all crossover settings to be set to FULL RANGE for this dual mixed mono configuration.
5 Channel Input Modes (Q5000)
2 Channel Input Mode
Mixes one RCA pair to all 5 channels, providing L/R balance but no front/rear fader.
4 Channel Input Mode
Mixes two RCA pairs to all 5 channels, providing L/R balance and front/rear fader.
5 Channel Input Mode
Inputs separate signals for channels 1-4 and subwoofer to channel 5, offering full control.
High Level Inputs & Smart Turn On (All Models)
High Level Input Connection
Connects to factory speaker wires to receive audio signal when preamp outputs are unavailable.
Smart Turn On Feature
Automatically powers the amplifier via DC or Music Sense when using High Level inputs.
Specifications (Q2000-Q5000)
Q2000 Specifications
Details rated power, THD, frequency response, S/N ratio, damping factor, and dimensions for the Q2000 model.
Q3000 Specifications
Details rated power, THD, frequency response, S/N ratio, damping factor, and dimensions for the Q3000 model.
Q4000 Specifications
Details rated power, THD, frequency response, S/N ratio, damping factor, and dimensions for the Q4000 model.
Q5000 Specifications
Details rated power, THD, frequency response, S/N ratio, damping factor, and dimensions for the Q5000 model.
Specifications (Q6000m-Q9000m)
Q6000m Specifications
Details rated power, THD, frequency response, S/N ratio, damping factor, and dimensions for the Q6000m model.
Q7000m Specifications
Details rated power, THD, frequency response, S/N ratio, damping factor, and dimensions for the Q7000m model.
Q8000m Specifications
Details rated power, THD, frequency response, S/N ratio, damping factor, and dimensions for the Q8000m model.
Q9000m Specifications
Details rated power, THD, frequency response, S/N ratio, damping factor, and dimensions for the Q9000m model.
Speaker Wiring Chart
Wiring Configurations Explained
Illustrates wiring for 4x Dual VC 8 Ohm speakers and single voice coil speakers in series and parallel.
Speaker Wiring Chart: Dual Voice Coil
Dual Voice Coil Wiring Configurations
Details series and parallel wiring for dual voice coil speakers, noting minimum impedance limits and potential issues.