ALPINE R2-W8D2 R-S-DB8V-TRK Truck Enclosure Instruction Manual

June 5, 2024
Alpine

ALPINE R2-W8D2 R-S-DB8V-TRK Truck Enclosure

ALPINE R2-W8D2 R-S-DB8V-TRK Truck Enclosure-prod

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 ampALPINE R2-W8D2 R-S-DB8V-TRK Truck Enclosure-
fig1

  • Gain=1 o’clock position
  • LP Filter=70Hz
  • Bass EQ=0 (Off)
  • Subsonic Filter=30Hz

S-A60M ampALPINE R2-W8D2 R-S-DB8V-TRK Truck Enclosure-
fig2

  • 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)ALPINE R2-W8D2 R-S-DB8V-TRK Truck
Enclosure-fig3

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 EnclosureALPINE R2-W8D2 R-S-DB8V-TRK Truck Enclosure-
fig5

Front/Rear Link BracketALPINE R2-W8D2 R-S-DB8V-TRK Truck Enclosure-
fig6

Left/Right Amp Tray BracketALPINE R2-W8D2 R-S-DB8V-TRK Truck Enclosure-
fig7

Passenger Side EnclosureALPINE R2-W8D2 R-S-DB8V-TRK Truck Enclosure-
fig8

Front Cover/Trim BarsALPINE R2-W8D2 R-S-DB8V-TRK Truck Enclosure-
fig9

Stacking Feet for EnclosureALPINE R2-W8D2 R-S-DB8V-TRK Truck Enclosure-
fig10

  • 6 Standard Stacking Feet (Rubber/Washer/Rubber)
  • 2 Pair Extra Parts (Rubber/Washer)

ALPINE R2-W8D2 R-S-DB8V-TRK Truck Enclosure-fig11

  1. Installation screws are temporarily installed in both driver and passenger side enclosures. Remove all screws to prepare for assembly. ALPINE R2-W8D2 R-S-DB8V-TRK Truck Enclosure-fig12

  2. 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. ALPINE R2-W8D2 R-S-DB8V-TRK Truck Enclosure-
fig13

  3. 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.ALPINE R2-W8D2 R-S-DB8V-TRK Truck Enclosure-
fig14

  4. 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. ALPINE R2-W8D2 R-S-DB8V-TRK Truck Enclosure-
fig15

  5. 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. ALPINE R2-W8D2 R-S-DB8V-TRK Truck Enclosure-
fig16

  6. Place mono amplifier on amp tray and mark the mount holes. Then drill and mount with appropriate size screws (not included). ALPINE R2-W8D2 R-S-DB8V-TRK Truck Enclosure-fig17

  7. 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|

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