About the Audiofrog GB12D2

Highlights:
- 12" subwoofer with two 2-ohm voice coils
- treated paper cone and dust cap
- vented cast-aluminum basket
- 3" voice coil with copper ring for reduced harmonic distortion and superior impact
- impedance switch (1 to 4 ohms)
- frequency response: 22-180 Hz
- power handling: 500 watts RMS (1500 watts peak)
- sensitivity: 95 dB
- top-mount depth: 6-2/3"
- sealed box volume: 0.75-1.27 cubic feet
- ported box volume: 1.35-2.5 cubic feet
- grille not included
- warranty: 2 years
- MFR # GB12D2
- Item # 898GB12D2
- California customers: Please click here for your Proposition 65 WARNING.
What's in the box:
Audiofrog GB12D2 owner's manual
If you need assistance accessing this owner's manual, please give us a call.- One 12" Dual 2-ohm voice coil subwoofer (with impedance switch)
- Instruction manual
More details on the Audiofrog GB12D2

Features & specs
Features and Specs | ||
---|---|---|
Size | 12-inch | |
Impedance (Ohms) | 1, 4 | |
Cone Material | Treated Paper | |
Surround Material | Rubber | |
Basket Material | Aluminum | |
Grille | None included | |
Free-Air | No | |
Dual Voice Coil | Yes | |
Sensitivity |
95 dB at 2.83 volts | |
Frequency Response | 22 - 180 Hz | |
Max RMS Power Handling | 500 | |
Peak Power Handling (Watts) | 1500 | |
Top Mount Depth (inches) | 6 11/16 | |
Bottom Mount Depth (inches) | 7 7/16 | |
Cutout Diameter or Length (inches) | 11 1/16 | |
Frame Width | 12.66 | |
Frame Length | 12.66 | |
Vas (liters) | 57 | |
Fs (Hz) | 29.5 | |
Qts | 0.49 | |
Xmax (millimeters) | 17.6 | |
Parts Warranty | 2 Years | |
Labor Warranty | 2 Years | |
Box Requirements | ||
Ideal Sealed Box Volume (cubic feet) | 1.02 | |
Minimum Sealed Box Volume (cubic feet) | 0.75 | |
Maximum Sealed Box Volume (cubic feet) | 1.27 | |
Ideal Ported Box Volume (cubic feet) | 1.5 | |
Minimum Ported Box Volume (cubic feet) | 1.35 | |
Maximum Ported Box Volume (cubic feet) | 2.5 | |
Port diameter (inches) | 4 | |
Port length (inches) | 16 |
Product Research
Features
Dual Voice Coils: This woofer features two 2Ω voice coils, with a switch on the terminal, allowing you to easily change from parallel (the woofer presents a 1Ω load) to series (the woofer presents a 4Ω load) wiring.
Screw Terminal: The set screw terminals offer easy connection of bare wire up to 8 gauge. A 3mm Allen wrench (not included) is needed to tighten the terminals.
Sealed Box Volume: The recommended sealed box volume range is from 0.75 ft³ to 1.25 ft³, with 1.02 ft³ being the ideal size. A sealed enclosure design gives the smoothest response with increased energy at the lowest frequencies.
Ported Box Volume: The recommended ported box volume range is from 1.35 ft³ to 2.5 ft³. The ideal size is 1.5 ft³, for which both slot and tube style port measurements are given; both result in a tuning frequency of 33 Hz:
- Slot: 12-1/2" x 1-1/2" opening, 22" long
- Tube: 4" diameter x 16" long
Power Handling: Audiofrog lists two RMS power figures in the manual; 500 watts RMS in the technical specifications section and 100-1,000 watts RMS in the recommendations section.
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Customer Q&A
3 questions already asked
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Love the quality sq products replacing my dual 4 ohm with this dual 2 ohm.
Thomas from South Bend, IN