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KS-DR3001D
B5E-0089-10/01 [W]
WARNING
• If the fuse blows, first make sure the wires aren't touching to cause
a short circuit then replace the old fuse with one with the same
rating.
• Do not let pebbles, sand or metallic objects get inside the unit.
• Do not touch the unit during use because the surface of the unit
becomes hot and may cause burns if touched.
CAUTION
This unit is designed to operate on 12 V DC, NEGATIVE ground
electrical systems. JVC recommends consulting a qualified technician
for installation.
• To prevent short circuits while making connections, keep the
battery's negative terminal disconnected.
• This unit uses BTL (Balanced Transformerless) amplifier circuitry,
i.e., floating ground system, so comply with the following:
– Do not connect the "·" terminals of the speakers to each other.
– Do not connect the "·" terminals of the speakers to the metal
body or chassis.
• Cover the unused leads with insulating tape to prevent them from
short circuiting.
• DO NOT disassemble the unit since there are no user serviceable
parts inside.
• To keep the heat dissipation mechanism running effectively, wipe
the accumulated dust off periodically.
• Listening to the tape, radio, CD or digital audio player, etc. with
the volume set at a high level for a long period of time will exhaust
the battery, while the engine is turned off or while the engine is
idling.
• Use the speakers which have sufficient capacity to the unit.
POWER
AMPLIFIER: INSTRUCTION MANUAL
English
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Summary of Contents for JVC KS-DR3001D
- Page 1 CAUTION This unit is designed to operate on 12 V DC, NEGATIVE ground electrical systems. JVC recommends consulting a qualified technician for installation. • To prevent short circuits while making connections, keep the battery’s negative terminal disconnected.
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Page 2: Installation
INSTALLATION TERMINAL CONNECTION English INSTALLATION The illustration above shows a typical installation. However, you should make adjustments corresponding to your specific car. A Location of the unit • Mount this unit on a firm surface, such as in the trunk or under the front seat. -
Page 3: Power Supply Connection
(The cross section is about 0.8 mm to 8 mm ❶ Connect to metallic body or chassis. ❷-a When you use JVC car receiver with REMOTE OUTPUT, connect to REMOTE OUTPUT. ❷-b When you use a unit without REMOTE OUTPUT, connect to the accessory circuit of the car which is activated by the ignition switch. -
Page 4: Speaker Connections
SPEAKER CONNECTIONS English SPEAKER CONNECTIONS The proper lead connected to each SPEAKER OUTPUT terminal is AWG 18 to AWG 12. (The cross section is about 0.8 mm to 3.3 mm C Subwoofer system • Use the subwoofer with an impedance of 2 Ω to 8 Ω. ①... - Page 5 CONTROLS INPUT SENS. English CONTROLS ① POWER indicator The green lamp lights while the unit is turned on. ② LPF (Low-Pass Filter) controller Adjust the cutoff frequency (the Low-Pass Filter transmits frequencies lower than the cutoff frequency) within the range of 50 Hz to 200 Hz.
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Page 6: Troubleshooting
TROUBLESHOOTING English TROUBLESHOOTING The POWER indicator does not light. • Change the fuses if the current one is blown. • Connect the ground lead securely to a metal part of the car. • Confirm the battery voltage (11 V to 16 V). • Leave the unit turned off to cool it down if it heats up abnormally. -
Page 7: Specifications
SPECIFICATIONS English SPECIFICATIONS Power Output Normal Mode: 250 W RMS × 1 channels at 4 Ω and ≤ 1% THD + N Signal-to-Noise Ratio: 60 dBA (reference: 1 W into 4 Ω) Power Output Normal Mode: 400 W RMS × 1 channels at 2 Ω and ≤ 1% THD + N Maximum Power Output 800 W Load Impedance... - Page 8 JVC KENWOOD Corporation 3-12 Moriya-cho, Kanagawa-ku, Yokohama-shi, Kanagawa, 221-0022 Japan EU Representative: JVC Technical Services Europe GmbH Konrad-Adenauer-Allee 1-11, D - 61118 Bad Vilbel, Germany Information on Disposal of Old Electrical and Electronic Equipment (applicable for countries that have adopted...