Nakamichi NSW-Z120604-II 12 Inch DVC Subwoofer User Manual
- June 6, 2024
- Nakamichi
Table of Contents
Nakamichi NSW-Z120604-II 12 Inch DVC Subwoofer
Dear Customer,
Congratulations on purchasing our Nakamichi mobile system product for your
sound system.
This product has been designed and manufactured to Nakamichi’s exacting
standards to ensure many years of audio enjoyment. For the best performance,
we recommend that you have your Nakamichi product installed by an authorized
Nakamichi dealer.
If you would like to install this product on your own, we recommend for you to
go through this manual to familiarize yourself with all the installation
requirements and procedures.
If you encounter any issues or if you have any questions on the operation of
this product, please contact your nearest authorized Nakamichi dealer for
assistance, or you may also contact us through our website or social media
channels.
Installation of your Product
In today’s modern vehicles, it is very easy to cause damage to existing
systems through improper installation. Please follow and scrutinize all wiring
diagrams to ensure that you have connected everything in its proper place.
If you find yourself uncomfortable of unfamiliar with understanding the wiring
and installation diagrams or testing instructions, do contact your nearest
Nakamichi dealer to perform the installation for you.
Safety Warnings and Considerations
- Clean only with a dry cloth or other similar materials.
- Install your product in a dry, well-ventilated location that does not interfere with your vehicle’s safety equipment.
- Do not block any ventilation openings when installing this product.
- Do not rnount the product in the engine compartment of your vehicle or in any areas of extreme heat such as mufflers, silencers, exhaust pipes or other heat producing apparatus.
- Securely mount the product so that it does not come loose in the event of a collision or as a result of repeated vibrations that might occur during normal operation. Installation of the apparatus must be done with great care to prevent damage to your vehicle’s fuel lines, power, and other electrical wiring, hydraulic brake lines, and other systems. If possible, always visit your nearest Nakamichi dealer to perform the installation.
- Do not run any wiring outside or underneath the vehicle. Keep all wires inside the vehicle.
- Take the necessary precautions when making connections to the vehicle’s battery to avoid any potential shock.
- Protect all system wires from sharp edges by carefully routing them, always use rubber grornrnets to protect wiring and cables whenever you are installing thern through metal openings.
- Secure all wiring using cable ties or wire clamps to protect them from moving parts and sharp edges.
- This apparatus shall not be exposed to dripping or splashing, and no object filled with liquids, shall be placed on the apparatus.
- Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as the power input terminals are damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
- Fuses shall be replaced only with the correct type and fuse value, and only when the apparatus is powered off.
- Exposure to high sound pressure levels may lead to permanent hearing loss. Take every precaution to protect your hearing.
COMMON FAULTS & SOLUTIONS
| Issues | Causes | Solutions |
|---|
No sound.
| l .Broken line.
2.No correct connection.
| l .Check the cable. 2.Check the power 3.Connecting cable.
Distorted output.| 1. Source level too high.
2. Gain of the amplifier too high.
| l .Turn down the source level. 2.Turn down the gain of the amplifier.
ACCESSORY LIST
Check and identify the contents of your package:
- Subwoofer x 1 pc
- User manual x 1 pc
- 05x3Omm Screw x Bpcs
- Mounting template x 1 pc
SPECIFICATIONS & DIMENSIONS
- Model No.: NSW-Zl 206D4-II
- Nominal Diameter: 12″ (305mm)
- Mounting Depth: >5.94″ (151mm)
- N-Power: 600 watts
- Peak Power: 4000 watts
- Nominal Impedance: 4 +4
- Frequency Response: 30Hz-lKHz
- Sensitivity (SPL/1 W /l m): 82±3dB
- Free Air Resonance (Fo): 39.462Hz
- Suspension Compliance (Cms): 72.012uM/N
- Moving Mass (Mms): 225.886g
- Mechanical “Q” (Qms): 3.333
- Electrical “Q” (Qes): 2.386
- Total Speaker “Q” (Qts) : 1.391
- Equivalent Volume (Vas): 22.727Ltr
- DC Resistance (Re): 4 +4
- Effective Piston Area (Sd): 47.144mm’
- Force Factor (BL): 9.690Txm
- Reference Efficiency (No): 0.057%
- Voice Coil (V.C.): 65.5mm, ASV
- Magnet Mass: 104oz (2948g)
- Net Mass (1 pc): Approx. 6.1 kg
INSTALLATION
Option: Install in A Sealed Enclosure
If the subwoofer cannot be mounted on the car, place it in a sealed enclosure.
- Set the wiring firmly on the floor of the vehicle, taking the utmost care not to break wires while installing.
- Turn off the car ignition key.
- If the power is on, the click noise generated by the connection may damage the subwoofer.
- Cut out the mounting template from the packing box and paste it onto the location selected for mounting the subwoofer.
- Mark the cut-off hole and the 8 bolt holes.
- Cut out the morked area and drill the boll holes.
- Connect the subwoofer to the amplifier.
- The impedance of the units ore related with how to connect. Make sure that the output impedance of the amplifier’s speaker terminal is relevant with connection. (Refer to “Wire Connection”.)
- Consult the diagram. Be sure to connect corresponding terminals, i.e. “+” to “+” and”-” to”-“. Connection with reversed polarity will degrade the quality of reproduction.
- Install the subwoofer into a sealed wooden box with screws.
Recommended enclosures have been designed and thoroughly tested.
All boords thickness: 15mm
Connect the subwoofer to the amplifier.
Install the subwoofer into the sealed enclosure with the supplied screws.
WIRE CONNECTION
DUAL 40 SUB WOOFER x 2PC
PARALLEL
SERIES 
PARALLEL / PARALLEL 
PARALLEL/ SERIES 
DUAL 40 SUB WOOFER x 1 PC PARALLEL
SERIES
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