Prime 12” R1 4-Ohm SVC Subwoofer R1S4-12

Front View of Subwoofer
Three Quarter Beauty Shot of Subwoofer
Eye Level View of Subwoofer
Profile Angle of Subwoofer
Back View of Subwoofer
Front View of Subwoofer
Three Quarter Beauty Shot of Subwoofer
Eye Level View of Subwoofer
Profile Angle of Subwoofer
Back View of Subwoofer
Front View of Subwoofer
Three Quarter Beauty Shot of Subwoofer
Eye Level View of Subwoofer
Profile Angle of Subwoofer
Back View of Subwoofer

Prime 12” R1 4-Ohm SVC Subwoofer R1S4-12

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.

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1 Review
Discontinued

10" 4Ω SVC

12" 4Ω SVC
Overview Technologies Specifications Support Accessories Wiring Wizard Box Advisor
Overview

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.

FEATURES AT A GLANCE

  • Fiber reinforced painted paper-pulp cone
  • Proprietary powder coated stamped steel frame with spider cavity venting
  • Fatigue resistant poly-cotton spider with integral woven leads
  • High durability compressed foam surround
  • Laser-etched aluminum dustcap
  • Bumped backplate with vented pole piece for greater thermal/mechanical power handling
  • Integrated spring-loaded nickel-plated push terminals
  • High-grade Y30 Ferrite magnet
  • High-temp copper voice coil with aluminum former
  • Integrated ABS decorative trim ring
  • 1 Year Warranty
Technologies
CEA-2031

Power handling on Rockford Fosgate speakers conform to CEA-2031 industry standards.

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Klippel Verified

Klippel is a speaker certification program allowing us to deliver the best possible subwoofers.

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Anodized Aluminum Voice Coil Former

Rockford Fosgate subwoofers use anodized aluminum voice coil formers that provide superior heat dissipation (up to ...

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Specifications
Power Handling (Watts RMS)
200 Watts RMS
400 Watts Max
Sealed Box Volume (Vb)
1.02 cu. ft. (28.8 Liters)
Vented Box Volume (Vb)
1.79 cu. ft. (50.6 Liters)
Voice Coil Type
Single Voice Coil
Qes
0.58
Subwoofer Type
Standard
Le (mH)
2.10
CEA-2031 Compliant
CEA-2031 Guidelines
Re (Ohms)
3.5
Voice Coil Diameter
2.0" (50.8 mm)
SPL (dB @ 1w/1m)
90
Magnet Weight (oz)
40 oz. (1.13 Kg.)
Cutout Diameter
11.22 in. (285 mm)
Sd (cm2)
530.9
Xmax (mm)
7.0
Woofer Displacement
0.10 cu. ft. (2.80 Liters)
Vas (Liters)
90.4
Qms
7.97
Qts
0.54
Mounting Depth
4.94 in. (125 mm)
Fs (Hz)
30.5
Size
12"
Nominal Impedance
4-Ohm
Shipping Weight
9.25 Lbs. (4.19 Kg.)
Speaker Connector
12 AWG compression
Compatibility
Support

Knowledge Base Articles


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Ask Our Experts

Return Authorization

Contact the Authorized Rockford Fosgate Dealer you purchased this product from. If you need further assistance, call 1-800-669-9899 for Rockford Customer Service. You must obtain an RA# (Return Authorization number) to return any product to Rockford Fosgate. You are responsible for shipment of product to Rockford.


Return Authorization Process



Diagnose First

Prior to requesting an RA, try to diagnose the failure. Many products we receive are sent back with No Trouble Found, usually due to incorrect installation. Use our Knowledge Base for troubleshooting assistance.



Contact Customer Support

Please call us during normal business hours at 1-800-669-9899 (option #1) and be prepared with the following information:

  • First and Last Name with complete Shipping Address
  • Product Name (T0D415)
  • Serial Number (12 or 13 digit number)
  • Failure Diagnosis (no output, no power LED, etc.)
  • Scanned copy of Original Receipt emailed to [email protected] (dealer name, purchase date, and item purchased must be legible)
  • Credit/Debit Card (if paying for out-of-warranty claims)
  • No money orders or checks.


Shipping Instructions

When shipping your product, your package MUST have the following information:

  • RA# Printed Outside of Box (as large as possible)
  • Copy of Original Receipt


Shipping Address

Ship your product (UPS or FedEx preferred) to the following:


Rockford/ AJR International
300 Regency DR
Glendale Heights, IL 60139
RA#:_______________________
Accessories
Profile View of Stamped Mesh Grille Insert

12" Prime R1 Stamped Mesh Grille Insert

R1G-12
read more...
Profile View of Stamped Mesh Grille Insert

12" Prime R1 Stamped Mesh Grille Insert

R1G-12
read more...
Three Quarter Beauty Shot of Frosted Black and Silver 12 AWG Speaker Wire

12 AWG Speaker Wire Packaged 15 Foot Frosted Black/Silver

RFWP12-15
read more...
Wiring Wizard

Available Wiring Diagrams

Please consult your amplifier owner's manual for lowest recommended impedance.



Wiring Diagram #1



Wiring Diagram #2



Wiring Diagram #3



Wiring Diagram #4



Wiring Diagram #5



Wiring Diagram #6

Speaker Polarity

Your woofer may use one of the following to identify (+/-) terminals.

Positive +

Red Post

Purple (4Ω)

Red (8Ω)

Negative -

Black Post

No Dot

No Dot

FAQ

Determining power needed for speakers

Prevent blowing your subwoofers

Temperature differences between subwoofer voice coil types

Differences between SVC and DVC subwoofers

Speaker Polarity

Your woofer may use one of the following to identify (+/-) terminals.

Positive +

Red Post

Purple (4Ω)

Red (8Ω)

Negative -

Black Post

No Dot

No Dot

FAQ

Determining power needed for speakers

Prevent blowing your subwoofers

Temperature differences between subwoofer voice coil types

Differences between SVC and DVC subwoofers

Box Advisor
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Reviews

Awesome

Great subwoofer for the price range I have a 12in in my single cab and it performance is good it takes power like a champ

4.0

1 Review
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