ALPINE R2-W8D2 R-S-DB8V-TRK Truck Enclosure Instruction Manual
- June 5, 2024
- Alpine
Table of Contents
ALPINE R2-W8D2 R-S-DB8V-TRK Truck Enclosure
Introduction
Congratulations on purchasing this truck enclosure. This installation manual is designed to take you through the stepby- step installation of the ‘R’ or ‘S’ Series Dual 8” Subwoofer Vented Enclosure for Trucks. Please familiarize yourself with the owners manual and if you still have additional questions please contact our support team at 1-800-TECH- 101.
Note: To ensure safe use, Always follow these precautions.
The installation of this product requires specialized skills and experience.
We recommend that you have the product installed by an Alpine authorized
dealer. Before you use this product, be sure to carefully read this
installation manual so that you can use the product correctly, Failing to do
so could lead to damaged equipment or an accident. Alpine Electronics bears no
responsibility for problems that arise as a result of failure to follow the
instructions in the manual.
- Make sure enclosure is secured to the vehicle. Failing to do so can lead to electric shock, injury or damage to equipment.
- When making a hole in the vehicle body, be careful to avoid damaging pipes, the fuel tank, electrical wiring, and the like. This kind of damage could lead to an accident or fire.
- Do not install the product where it may be exposed to water or in a place with high levels of humidity or dust. Doing so could lead to fire or damaged equipment.
- Start all screw threads by hand and avoid overtourqing screws, failure to do so may damage your equipment.
- Matching Alpine mono ampliers are sold separately – check with an Alpine authorized dealer.
Recommended Amplifier settings
R-A75M amp
- Gain=1 o’clock position
- LP Filter=70Hz
- Bass EQ=0 (Off)
- Subsonic Filter=30Hz
S-A60M amp
- Gain=1 o’clock position
- LP Filter=70Hz
- Bass EQ=0 (Off)
(Note: If available with your HU/DSP – We recommend a Subsonic filter, if possible with Fc=30Hz @-24dB/Oct.)
Tools Required
Hex Key Driver (2pcs. included)
Note:
Use Hex Key Drivers for Enclosure feet, Front/Rear brackets and amp tray:
Failure do so could result in damage to the enclosure.
Power Drill with a Low Torque Setting (Optional)
Note:
Power Drill for Subwoofer and Amplifier installation only.
Accessory List
Driver Side Enclosure
Front/Rear Link Bracket
Left/Right Amp Tray Bracket
Passenger Side Enclosure
Front Cover/Trim Bars
Stacking Feet for Enclosure
- 6 Standard Stacking Feet (Rubber/Washer/Rubber)
- 2 Pair Extra Parts (Rubber/Washer)
-
Installation screws are temporarily installed in both driver and passenger side enclosures. Remove all screws to prepare for assembly.
-
If applicable, attach inner amp tray brackets using supplied M5x20mm screws (4pcs.) and M5x20mm washers (4pcs.).
Note: Amp tray brackets can be trimmed for narrow applications. Amp tray will not be used in some applications – See fitment chart. If Amp brackets are not installed, the 4 mount screws should be left snugly tightened in both enclosures.
Caution: To avoid damage to the enclosure use supplied Hex Key driver for when installing the amp brackets.
-
Place enclosures upside down on a flat surface and set to required width. Align rear link bracket with threaded inserts and secure bracket using supplied M5x20mm screws (4pcs.) and M5x12mm washers (4pcs.).
Caution: To avoid damage to the enclosure use supplied Hex Key driver for when installing the rear bracket.
-
Rotate assembly rightside up and attach front link bracket using supplied M5x20mm screws (4pcs.)and M5x20mm washers (4pcs.) as shown.
Caution: To avoid damage to the enclosure use supplied Hex Key driver for when installing the front bracket.
-
Using the supplied M5x60mm screws (6pcs.) and M5x20mm washers (6pcs.) install feet as shown. Additional feet spacers are included to accomodate vehicles with uneven floors, floor mats etc. – see fitment chart.
Caution: To avoid damage to the enclosure use supplied Hex Key driver for when installing the enclosure feet.
-
Place mono amplifier on amp tray and mark the mount holes. Then drill and mount with appropriate size screws (not included).
-
Align front cover and trim bars, then install with supplied M5x20mm screws (4pcs, 4mm hex drive).
Recommended configuration for specific vehicles
Table 1: Recommended vehicle settings
Vehicle| Width| Inner Foot| Outer Foot (front)| Outer
Foot (rear)| Amp Tray| Notes
---|---|---|---|---|---|---
2015+ F-150| 51” (max)| yes| yes| yes| yes|
2018+
Silverado/Sierra
| 51” (max)| yes| yes| yes| yes|
2007+ Wrangler
|
40” (min)
|
no
|
yes
|
yes
|
no
| Remove inner foot and install in outer location
2018+ RAM| 51” (max)| yes| yes| no| yes|