R-Series 8-Inch 350-Watt Subwoofer Driver, 2-Ohm or 4-Ohm Dual Voice Coil
Since the Type R platform, Alpine’s R-Series sound system family has been known for its incredible output and reliable performance. Now Alpine introduces the next-generation of sound performance with the 2nd-Gen R-Series Subwoofers with even more bass output.
The 2nd-Gen R-Series Subwoofers now feature larger, double-stacked magnets that contribute more motor force for deeper bass and tighter 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 durability in the subwoofer for reliable performance, even at high volumes.
A new polypropylene/ceramic composite dust cap ensures rigidity while also providing incredible internal damping (vibration absorption) to smooth out the bass response and reproduce tight bass. This premium, unique material also has higher heat reliability that ensures non- stop bass performance.
The 2nd-Gen R-Series Subwoofers contain a Dual Voice Coil (DVC) with easy configuration jumpers that allow for flexible applications. A new “EZ- Change” twist-lock grille mounting system makes it easy to install and remove an optional grille without mounting screws for added protection to the cone. The R2-W8D2 and R2-W8D4 is compatible with the KTE-8G Grille System (sold separately).
The 2nd-Gen R-Series Subwoofers contain Alpine’s High Amplitude Multi- Roll (HAMR) Surround Technology. This rubber surround allows the subwoofer cone to efficiently move air while staying cool. This technology allows for 20mm of total cone excursion and motion that creates incredible accuracy from the subwoofer.
Features
Dual Voice Coil (DVC) Subwoofers with Configuration Jumpers
Polypropylene/Ceramic Composite Dust Cap
Kevlar Reinforced Pulp Cone High-Performance subwoofers
Twist-Lock Grille Mount System
High-Amplitude Multi-Roll (H.A.M.R.) Surround
Large Double-Stacked Magnets
Specifications
350W RMS .
1000W Peak Power Handling.
Frequency Response: 30Hz-200Hz.
Sensitivity (1W/1m): 83.5dB .
Nominal Impedance: 4Ω.
Voice Coil: 35mm .
X-Max: 12mm.
Magnet Weight: 56oz .
Mounting Depth: 4-3/8” (118mm).
Cutout Size: 6-15/16” (176mm).
Push-Type Speaker Terminals (Up to 8AWG Wire Size).
CTA-2031 Compliant.
Documentation
Alpine R2-W8D Manual
Alpine S2-Series 300-Watt 8-Inch Subwoofer Driver, 2Ω or 4Ω Dual Voice Coil
With a power handling of 300W RMS and a peak power handling of 900W, the Next-Gen 8” S-Series Subwoofers deliver outstanding performance value. Boasting a wide frequency response range of 23Hz to 215Hz and a sensitivity of 83dB (1W/1m), these subs ensure powerful and accurate bass reproduction across a diverse range of music genres.
Featuring the lightweight yet sturdy combination of carbon fiber and polypropylene, the Next-Gen S-Series Subwoofer cone delivers deep, low-distortion bass that enhances the depth and richness of your music.
The Next-Generation S-Series Subwoofers contain Alpine's High Amplitude Multi-Roll (H.A.M.R.) Surround Technology. This rubber surround allows the subwoofer cone to efficiently move air while staying cool. This technology allows for 15mm of one-way excursion that creates incredible accuracy from the subwoofer.
A Dual Voice Coil (DVC) with easy configuration jumpers make installing the S-Series subwoofers a breeze. A new twist-lock grille mounting system makes it easy to install and remove an optional grille without mounting screws for added protection to the cone.
Maximize the potential of your S-Series subwoofers with Alpine's perfectly power-matched S-Series amps. Power up to two S2-W8D4 subwoofers effortlessly with the 600W S2-A60M mono amplifier, or for an even bigger impact, pair up to four $2-W8D4 subs with the powerful 1200W S2-A120M amp to ensure optimal sound quality and performance.
Features
Dual Voice Coil Subwoofers with Configuration Jumpers.
Carbon Fiber / Poly Propylene Cone.
Poly Propylene / Ceramic Dust Cap.
High-Grade Strontium Ferrite Magnets.
Twist-Lock Grille Mount System.
High-Amplitude Multi-Roll (H.A.M.R.) Surround.
Push-Type Speaker Terminals (Up to 8AWG Wire Size).
Specifications
Power Handling: 300W RMS / 900W Peak.
Nominal Impedance: 4Ω.
Frequency Response: 23Hz - 215Hz.
Sensitivity (1W/1M): 82.7dB.
Voice Coil: 1.4".
X-Max (1-Way): 13mm.
Magnet Weight: 34oz.
8-Inch 300-Watt Thin Subwoofer Driver, 2-Ohm DVC.
The CompRT 8" thin subwoofer by Kicker is a weather resistant thin sub with a 2Ω dual voice coil design. This thin 8 inch sub magnet structure delivers 300W RMS of power with a chassis mounting depth of just under 2 3/4". The Kicker designed UniPlate™ back plate and solid pole piece serve as a single heat-absorbing unit to keep this 8" CompRT thin subwoofer driver nice and cool.The CompRT 8-Inch subwoofer works best with a sealed or ported enclosure and 300 watts of recommended power.
Specifications
SIZE [in, cm]:
8, 20
IMPEDANCE [Ohms]:
2 DVC
Recommended Amplifier Power (watts RMS)
300
Peak Power (watts, per ANSI/CTA-2031-A)
600
SENSITIVITY [dB 1w/1m]:
81.8
MOUNTING DEPTH [in, cm]:
2 11/16, 6.7
MOUNTING DIAMETER [in, cm]:
7, 17.7
MIN SEALED BOX VOL [cu. ft, L]:
0.2, 5.66
MAX SEALED BOX VOL [cu. ft, L]:
1.0, 28.32
MIN VENTED BOX VOL [cu. ft, L]:
0.8, 22.7
MAX VENTED BOX VOL [cu. ft, L]:
1.2, 34
Documentation
Kicker CompR Subwoofer Manual
