Cadence QRS SERIES Installation Guide

QRS Series Amplifiers // Owners Manual

4 Channel Amp with 2 C hannel Input (Q3000, Q4000)10If your head unit has only one pair of Left and Right RCA out put jacks, plug them in to RCA input

11TO AUDIO OUTPUTS OF HEAD UNIT OR SIGNAL PROCESSOR WITH STEREO OUTPUTSIf your head unit has two pairs of RCA output jacks, input Front Left and Front

12Install any combination of speakers independently on all 4 channels being careful not to load any single channel below 2 ohm stereo. For typical 6”

13When bridging the four channel amplier, make sure that your nal woofer impedance on each bridged channel is no lower than 4 ohms. Set the Crossove

14Channels 1 and 2 should be wired to speakers no lower than 2 ohm loads per channel in stereo. Channel 3 and 4 should be bridged as per the diagram w

154 Channel with Mixed Mono (Q3000, Q4000)CH 1-2 CROSSOVER MODE SWITCHIN HIGH PASS POSITIONCH 3-4 CROSSOVER MODE SWITCHIN LOW PASS POSITION COMPONENT

164 Channel with Dual Mixed Mono Conguration (Q3000, Q4000)ALL CROSSOVER SETTINGS IN THIS MODE SHOULD BE SET TO FULL RANGE.SUBWOOFERMINIMUM IMPEDANCE

17If your head unit has one single pair of RCA outputs, input them in to the amplier’s Channel 1 and 2 input jacks and set the Input

18Minimum impedance for channels 1 through 4 is 2 ohm stereo. Channel ve minimum impedance is 2 ohm mono capable.INPUT MODE SET TO5 CHANNEL

192 Channel Amplier 2 Ohm / 4 Ohm Stereo (Q2000)LEFT SPEAKER4 OHM OR 2 OHMRIGHT SPEAKER4 OHM OR 2 OHMCROSSOVER MODE SWITCHIN FULL RANGE

INTRODUCTION22Thank you for purchasing this Cadence QRS Series amplier. Over the years, the technology used to create audio amplier

202 Channel Amplier 4 Ohm Bridged (Q2000)CROSSOVER MODE SWITCHIN LOW PASS SUBWOOFER MINIMUM IMPEDANCE 4 OHMS

21Monoblock 2 Ohm Ampliers (Q6000m, Q7000m, Q8000m)DVC 4 OHM SUBWOOFERIN PARELLEL = 2 OHM LOAD4 OHM SUBWOOFER 4 OHM SUBWOOFER2 OHM MINIMUM LOAD- OR -

Monoblock 1 Ohm Amplier (Q9000m)DVC 2 OHM SUBWOOFERIN PARELLEL = 1 OHM LOAD2 OHM SUBWOOFER 2 OHM SUBWOOFER1 OHM MINIMUM LOAD- OR -The Q9000m is a 1 o

RIGHT CHANNELS23High Level Inputs / Smart Turn On (All Models)High Level InputMany factory radios do not have preamp outputs thus all QRS Series model

• High-Speed MOSFET Power Supply• Studio-Grade Bipolar Output Stage Transistors• Fully Adjustable 12dB / Octave Crossover• Fully Adjustable +12dB

25Q6000m• Rated Power: 400 Watts RMS @ 2 ohm• Rated Power: 300 Watts RMS @ 4 ohm• Bridged Power: N/A • Minimum THD at Rated Power: < 0.1%• Fre

262 OHMTO AMPLIFIER4 + 4OHM4 + 4OHM4 + 4OHM4 + 4OHM4 X DUAL VC 8 OHM SPEAKERS WITH SERIES VOICE COILS, ALL IN PARALLELSERIES:SINGLE VOICE COIL SPEAKER

272 X DUAL VC 2 OHM SPEAKERS WITH SERIES VOICE COILS, ALL IN PARALLELSERIES:DUAL VOICE COIL SPEAKERSPARALLEL:DUAL VOICE COIL SPEAKERS8 OHM TO AMPLIFIE

// Features and specifications subject to change and or improvement without notice.Though we tried our best to ensure that this manual is free and cle

FEATURES33POWER AND PROTECTION CIRCUITRY:QRS Series ampliers feature our unique IC controlled protection circuitry. This sophisticated cir

4SUPER CLASS AB AUDIO STAGE PERFORMANCEThe audio output section of the QRS Series ampliers feature Japanese studio grade, high current Bipolar audio

5REMOTE TURN ON CONNECTION:The remote turn on connection is located on the barrier strip next to the power and ground connections. This connection is

6ADJUSTING THE SYSTEM Once the system is operational, the rst thing to do, is set all crossover points to approximate settings. In the case of the

7MOUNTING THE AMPLIFIERS:Choose a convenient mounting location with unobstructed airow.The QRS series ampliers feature four mounting tabs located at

8The QRS Series ampliers are supplied with built-in fuses, never replace the fuse that the amp came with, with one of a larger value.We suggest you c

FEATURES9The Q3000 features a unique CLONE FUNCTION to assist in setting up a 2-channel bridged system with perfect gain and crossover tracking betwee