About the Alpine R2-S652

Product highlights:
- 3-way component speaker system
- 6-1/2" glass-fiber woofer cone with High-Amplitude Multi-Roll surround
- 1" magnesium hard dome tweeter
- external crossover systems
- handles up to 100 watts RMS (300 watts peak power)
- frequency range: 65-40,000 Hz
- warranty: 1 year
- MFR # R2-S652
- Item # 500R2S652
- California customers: Please click here for your Proposition 65 WARNING.
What's in the box:
- 2 Woofers
- 2 Woofer grilles
- 2 Tweeters (each has an attached 30" length of wire terminated with quick slides)
- 2 Crossovers
- 2 Tweeter grilles (installed)
- 2 Flush mount housings (with tweeters installed)
- 2 Flush mount retention rings
- 2 Angled surface mount housings
- Two 45" Tweeter wire extensions
- 2 Self-adhesive pads
- Eight 1-1/8" Screws
- Four 5/8" Screws
- Eight 3/4" Screws
- 8 Large speed-clips
- 4 Small speed-clips
- Warranty information
- On-line product registration information
- Important Notice
- Template and specs on box
More details on the Alpine R2-S652

Features & specs
General | ||
---|---|---|
Speaker Size | 6 1/2 | |
Driver Design | 2-way | |
Woofer Design | Cone | |
Woofer Material | Glass-Fiber | |
Woofer Surround | Rubber | |
Midrange Design | --- | |
Midrange Material | --- | |
Tweeter Design | Dome | |
Tweeter Material | Magnesium | |
Super Tweeter Design | --- | |
Super Tweeter Material | --- | |
Impedance (Ohms) | 4 | |
Weather-resistant | No | |
Grilles Included | Black, Steel mesh, Plastic frame | |
Parts Warranty | 1 Year | |
Labor Warranty | 1 Year | |
Specifications | ||
Sensitivity (1W at 1 meter) | 88 | |
Sensitivity at 2.83 volts | N/A | |
Frequency Response | 65 - 40k Hz | |
Maximum RMS Wattage | 100 | |
Peak Power Handling (Watts) | 300 | |
Top-mount Depth (Inches) | 2 1/2 | |
Bottom-mount Depth (Inches) | N/A | |
Cutout Diameter or Length (inches) | 5 3/8 | |
Mounting Height (Inches) | 0.44 | |
Frame Width | 6.482 | |
Frame Length | 6.482 |
Product Research
Features
Size Note: Alpine describes this woofer size as 6½, but because it requires a larger cutout than a standard 6½, Crutchfield has traditionally referred to this size as 6¾. Please enter your vehicle information to confirm fit.
HAMR Surround: The R-Series speakers incorporate Alpine's patented High-Amplitude Multi-Roll (HAMR) surround, a technology developed for Alpine subwoofers that maintains control and stability at higher volume levels. HAMR surrounds combine increased cone area and long linear cone excursion for deep, powerful bass response.
Tweeter Mounting Options: The tweeters come installed in a flush-mount housing. Once mounted, the tweeters pivot approximately 15° in any direction, to improve the stereo image. Angled surface-mount housings are also included. The installed tweeter dimensions are:
Flush Mount (swivel) | Angled Surface Mount | |
---|---|---|
Mounting Depth | 0.65" | N/A |
Mounting Height | 0.378" | 1.325" |
Cutout Diameter | 2.0" | N/A |
Frame Diameter | 2.285" | 1.82" x 1.71" |
Crossovers:
- Low Pass: 6 dB/octave slope
- High Pass: thr 12 dB/octave slope
- Tweeter Output Level: three jumper positions; choose -3 dB, 0 dB (flat), or +3 dB
- Wire Connections: inputs and outputs are screw terminals; accept bare wire or spade connectors up to 0.3" wide
- Crossover Dimensions:
- Width: 4.6"
- Height: 1.37"
- Depth: 3" (plus wire)
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Customer Q&A
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I've owed about 8 pairs of the previous version of the alpine r2. The sound quality is magnificent. I've ordered 4 pairs of these new pro models. Will install in my wife's car this weekend and when my back order of the other two sets comes in they will go in my new truck.
Steve from Fontana, CA