Description
Subwoofer 20 Cm Double Coil ALPINE R2-W8D4
Next-generation 8-inch (20cm) R-series subwoofer with two 4-ohm voice coils
The new 2022 R-Series subwoofers are here – drawing on decades of subwoofer engineering experience.
They deliver deep, clean and precise bass and feature Alpine's HAMR Surround for maximum cone excursion,
delivering tons of bass. the new ceramic dust cap is very light and rigid, keeping distortion to an absolute minimum.
The new enlarged motor structure provides better overall control of the woofer for crisp and powerful bass response.
The new 2022 R-series subwoofers
The next generation in sonic performance is here with the 2nd generation R-Series subwoofers featuring
a larger motor structure for tighter, more authoritative bass.
New engine structure
The 2nd Generation R-Series subwoofers now feature larger, dual-stacked magnets that contribute
to more driving force for deeper bass and more precise bass control from the subwoofer cone compared
to the previous generation. An integrated Faraday ring minimizes distortion for cleaner bass output. A Kevlar treated cone
ensures the durability of the subwoofer for reliable performance, even at high volumes.
Next Generation Sound Performance
From the Type R platform, the Alpine R-Series family of audio systems is known for its incredible performance
and its reliable performance. Alpine now presents the next generation of sound performance with subwoofers
from the 2nd generation R-series with even more bass.
additional reliability
A new polypropylene/ceramic composite dust cap provides rigidity while providing cushioning
Incredible internal (vibration absorption) to smooth bass response and reproduce tight bass.
This unique, premium material also has higher thermal reliability which ensures non-stop bass performance.
Flexible Apps
2nd Generation R-Series subwoofers contain dual voice coil (DVC) with easy setup jumpers
that allow flexible applications. A new "EZ-Change" twist-lock grille mounting system makes
installation and removal of an optional grille without mounting screws for additional cone protection.
Increased precision
These subwoofers feature Alpine's HAMR (High Amplitude Multi-Roll) surround technology.
This rubber surround allows the subwoofer cone to efficiently move air while staying cool.
This technology allows for 20mm of full cone excursion and movement that creates incredible subwoofer precision.
Sizes and variants
The new R-Series subwoofers are available in 12" size configurations,
10" and 8" and are available in dual 2? and dual 4? impedance.
Features
Dual Voice Coil (DVC) Subwoofers with Configuration Jumpers
Polypropylene/ceramic composite dust cap
Kevlar reinforced pulp cone High performance subwoofers
Twist-lock grille mounting system
High Amplitude Multi-Roll Surround (HAMR)
Large double stacked magnets
What's in the box
R2 Series 8" DVC Subwoofer with Cosmetic Trim Ring
2 jumper wires for DVC configuration
Owner's Manual
Specifications
350W RMS
1000W peak power handling
Frequency response: 30Hz-200Hz
Sensitivity (1W/1m): 83.5dB
Nominal impedance: 4? + 4?
Voice coil: 40mm
XMax: ±12mm
Magnet weight: 56 oz
Mounting Depth: 4-3/8" (118mm)
Cutout Size: 6-15/16" (176mm)
Push-type speaker terminals (wire size up to 8 AWG)
CTA-2031 compliance
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