ZR120, ZR240, ZR360, ZR600 & ZR1000
STEREO POWER AMPLIFIERS
Based on the same design philosophy as the original KICKER Amplifier, the ZR-Series amplifiers from Stillwater Designs expand and improve the standards for car audio amplifier performance. Features that defined the way an amplifier should be built, attention to detail, flexibility, and pure clean power have been retained and some important new performance/reliability features have been added.
FEATURES & CONTROLS
The design goals for the ZR-Series amps were simple yet crucial: build the ultimate amplifiers available for the brutal environment of a vehicle.
A new heatsink design provides maximum heat dissipation when air flow isn’t ideal. In addition to the existing forms of protection already in effect (thermal, overvoltage, and reverse polarity), a new short circuit protection circuit will allow the amplifier to operate into a variety of loads including 1 Ohm stereo and 2 Ohm mono.
Gold plated custom tooled speaker and power connectors maximize power transfer and damping. To improve the thermal stability, sound quality, and output power we have upgraded the power supply switching MOSFETs.
Surface mount devices are used extensively throughout the design to increase reliability. Features carried over from the last generation of amplifiers include:
ZRX Crossover Module included.
Active Signal Processing Modules are less expensive than outboard signal processors and eliminate the possibility for electrical noises to enter the system.
RCA output jacks provide a simple method for daisy chaining multiple amplifiers, especially when the plug-in modules are used.
Optical isolation between the signal and power grounds has proven very effective to keep automotive electrical noises from entering the signal path.
For the best sound quality possible we have eliminated coupling capacitors from the signal path through the use of a DC servo circuit.
Silent turn on/off circuitry eliminates pops to protect your speakers and makes your system ready for competition.
Multiple amplifiers can be daisy chained without signal degradation because the input impedance is 22,000 Ohms.
Stillwater Designs recommends that the amplifier be installed at an authorized dealer. The length of your KICKER amplifier’s warranty is three times as long when installed by an authorized KICKER dealer.
MOUNTING INSTRUCTIONS
The orientation of the amplifier is critical to proper cooling. The cooling fins are designed to operate best when the amp is in a vertical position or mounted flat with the fins up. It is important to keep the chassis of the amplifier isolated from the metal of the vehicle because the heatsink is connected to signal ground for noise isolation. Grounding the heatsink will cause a ground loop. The plastic inserts in the mounting feet of the amp should remain in place as isolators. These inserts are designed to accept #8 screws for mounting.
#8 Mounting |
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VERTICAL |
#8 Mounting |
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Screws |
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Screws |
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HORIZONTAL
Isolation
Pads
2
(Mounting Instructions, continued)
Use KICKER End Caps and KICKER Sink Links
to cover exposed end panels and hiding wiring in multiple amplifier installations.
SUPPLIED END CAPS SNAP INTO PLACE OVER AMP END PANELS
OPTIONAL SINK LINK COVERS TWO AMPLIFIER END PANELS
3
WIRING INSTRUCTIONS
All speaker connectors will accept up to 8 gauge wire with these exceptions: the ZR360, ZR600, and ZR1000 power and ground connectors are designed for 4 gauge wire. It is very important that the screws in the amplifiers’ terminal strips are very tight. An allen wrench is included for this purpose. Always make the ground connection first when installing this amplifier and disconnect ground last when removing it from the system.
Connect the ground wire, which is 24 inches or less, to a structural chassis member. Be sure the connection is to bare metal and securely screwed or bolted. (It is not recommended to run the ground wire to the battery.) Run a positive wire of the size shown below directly to the positive terminal of the battery and use a fuse of appropriate size within 18 inches of the battery.
This fuse protects the wire run from the battery.
Please refer to this wire gauge selection chart for minimal loss at full rated power under
test conditions: |
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Model |
Up to 4 ft |
4 to 7 ft |
7 to10 ft |
10 to 13 ft |
13 to 16 ft |
16 to 22 ft |
ZR120 |
12 |
10 |
8 |
8 |
6 |
6 |
ZR240 |
8 |
8 |
6 |
4 |
4 |
4 |
ZR360 |
6 |
6 |
4 |
4 |
2 |
2 |
ZR600 |
6 |
6 |
4 |
2 |
2 |
2 |
ZR1000 |
2 |
2 |
2 |
2 |
0 |
0 |
When running the signal wires keep them away from all power wires in the vehicle to avoid noise. If a signal wire needs to cross power wires, try to make the junction at 90 degrees. This will have the least chance of picking up noise.
Note: in the case where the recommended wire size is larger than the amplifier’s connector, it may be necessary to use a power distribution block or inline connector to adapt down to the size your amp will accept.
Inline fuse used at the battery: ZR120 = 30A, ZR240 = 60A, ZR360 = 80A, ZR600 = 90A, ZR1000 = 150A (supplied with the amplifier).
IMPORTANT INFORMATION
PLEASE READ BEFORE INSTALLING AMPLIFIER
Your new KICKER power amplifier is equipped with a ZRX Active Electronic Crossover Module installed in the Module Docking Port.
You may configure the ZRX to function as a low pass filter (12dB/octave at 80Hz) or high pass filter (12dB/octave at 100Hz) by setting the switch on the ZRX as shown is the illustration. The ZRX may also be set to bypass, in which case your amplifier will function in a full-range mode. The ZRX affects only the amplifier in which it is installed. The amplifier’s output RCA jacks carry a full-range signal regardless of the settings on the ZRX.
4
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