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Rockford Fosgate R1S4-12Prime 12” R1 4-Ohm SVC Subwoofer
Variants
12" 4Ω SVC
The R1S4-12 features a 4-Ohm Single Voice Coil design, 200 Watt RMS power handling, and is optimized for both sealed and vented enclosures.
Highlights
- 1 Year Warranty
- Fiber reinforced painted paper-pulp cone
- Laser-etched aluminum dustcap
- High durability compressed foam surround
Key specs
Full specs- Power Handling (Watts RMS)
- 200 Watts RMS 400 Watts Max
- Voice Coil Type
- Single Voice Coil
- Subwoofer Type
- Standard
- Sd (cm2)
- 530.9
- Voice Coil Diameter
- 2.0" (50.8 mm)
- Magnet Weight (oz)
- 40 oz. (1.13 Kg.)
- Le (mH)
- 2.10
- Qes
- 0.58
Key specs
Full specs- Power Handling (Watts RMS)
- 200 Watts RMS 400 Watts Max
- Voice Coil Type
- Single Voice Coil
- Subwoofer Type
- Standard
- Sd (cm2)
- 530.9
Highlights
Overview- 1 Year Warranty
- Fiber reinforced painted paper-pulp cone
- Laser-etched aluminum dustcap
Overview
The R1S4-12 features a 4-Ohm Single Voice Coil design, 200 Watt RMS power handling, and is optimized for both sealed and vented enclosures.
Highlights
Key features
- 1 Year Warranty
- Fiber reinforced painted paper-pulp cone
- Laser-etched aluminum dustcap
- High durability compressed foam surround
- Fatigue resistant poly-cotton spider with integral woven leads
- Integrated ABS decorative trim ring
- Bumped backplate with vented pole piece for greater thermal/mechanical power handling
- High-temp copper voice coil with aluminum former
- High-grade Y30 Ferrite magnet
- Integrated spring-loaded nickel-plated push terminals
- Proprietary powder coated stamped steel frame with spider cavity venting
- CEA-2031
More info
Rockford Fosgate Prime R1 12” subwoofers provide high performance bass at an unbelievable value. This model features a laser etched curvilinear dust-cap to dissipate heat generated by the high‐temp copper voice coil as well as a solid stamped steel frame with integrated frame mounted compression terminals. Best of all, they are optimized for both sealed and vented enclosures.
Technologies
CEA-2031
Power handling on Rockford Fosgate speakers conform to CEA-2031 industry standards. This means your speaker has
Klippel Verified
To adorn the ‘Verified with Klippel’ mark, the qualifying company’s loudspeaker engineering personnel must be
Anodized Aluminum Voice Coil Former
Two things generally happen when voice coils heat-up. They can generate heat close to the melt-down temp of their
Specs
Specifications
24
| Power Handling (Watts RMS) | 200 Watts RMS 400 Watts Max |
| Voice Coil Type | Single Voice Coil |
| Subwoofer Type | Standard |
| Sd (cm2) | 530.9 |
| Voice Coil Diameter | 2.0" (50.8 mm) |
| Magnet Weight (oz) | 40 oz. (1.13 Kg.) |
| Le (mH) | 2.10 |
| Qes | 0.58 |
| SPL (dB @ 1w/1m) | 90 |
| Re (Ohms) | 3.5 |
| Cutout Diameter | 11.22 in. (285 mm) |
| Re (Ohms) | 3.5 |
| Cutout Diameter | 11.22 in. (285 mm) |
| Xmax (mm) | 7.0 |
| Woofer Displacement | 0.10 cu. ft. (2.80 Liters) |
| Vas (Liters) | 90.4 |
| Nominal Impedance | 4-Ohm |
| Mounting Depth | 4.94 in. (125 mm) |
| Shipping Weight | 9.25 Lbs. (4.19 Kg.) |
| Fs (Hz) | 30.5 |
| Qts | 0.54 |
| Qms | 7.97 |
| Size | 12" |
| Speaker Connector | 12 AWG compression |
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Installation resources
Wiring diagrams
6
Wiring Diagram #1
Source: Rockford Fosgate
Wiring Diagram #2
Source: Rockford Fosgate
Wiring Diagram #3
Source: Rockford Fosgate
Wiring Diagram #4
Source: Rockford Fosgate
Wiring Diagram #5
Source: Rockford Fosgate
Wiring Diagram #6
Source: Rockford Fosgate
Box Advisor
Sealed Enclosure
- Recommended volume
- 1.02 cu ft
- Volume range
- 0.7 cu ft to 1.8 cu ft
- Dimensions
- 18 in W x 14 in H x 10 in D
- F3
- 43 Hz
- Qtc
- 0.87
- Port / ID
- 6 in
- Subwoofer size
- 6 in
- Impedance
- 1 ohm
- Power handling (RMS)
- 200 W
Vented Enclosure
- Recommended volume
- 1.79 cu ft
- Volume range
- 1.5 cu ft to 2 cu ft
- Dimensions
- 25 in W x 14 in H x 12 in D
- F3
- 32.5 Hz
- Tuning (Fb)
- 36.3 Hz
- Port / ID
- 6 in
- Subwoofer size
- 6 in
- Impedance
- 1 ohm
- Power handling (RMS)
- 200 W
Support
Return Authorization
If you bought this product from Onkar Electronics, use the Contact Us page on the Onkar Electronics website and we will help with return authorization and warranty support. If you purchased it from another dealer, contact that authorized dealer first for return assistance.
Popular Questions
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