Black Diamond DIA-12D4 12″ PAIR | 12″ 500w D4 Subwoofer – B-STOCK

Black Diamond DIA-12D4 12"

Black Diamond DIA-12D4 12″ PAIR | 12″ 500w D4 Subwoofer – B-STOCK


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The Black Diamond DIA-12D4 12″ Subwoofer puts out all of the power you need and handles low frequencies like a sub twice the price. Black Diamond DIA-12D4 delivers impressive 500W Max Power with 250W RMS at Dual 4 Ohm, once you hear it you’ll finally realize what big, rich bass sounds like. Provides multiple options and flexibility to wire Parallel, Series, or Independent. DVC will make sure you get the most from your system. While typical subwoofers have a single voice coil, Black Diamond offers two. This ultra-reliable subwoofer has dual voice coils, paper dust cap, and foam edges all at an affordable price. What more can you ask for!

Nominal Diameter: 12″
Nominal Impedance: 4+4 Ohms
RMS Power Handling: 250W
MAX Power Handling: 500W
Sensitivity: 90dB
Frequency Response: 41Hz-4.2KHz
Recommended Lo Pass Crossover: 80Hz

Voice Coil Diameter: 2″ (50.8mm)
Voice Coil Former Material: Aluminum
Winding Material: CCAW
Cone Material: Non-Pressed Paper
Dust Cap: Paper
Surround Material: Foam
Basket Material: Steel
Basket Color – Finish: Black
Magnet Material: Ferrite
Magnet Weight: 45 oz
Displacement Volume: 2.651L

Black Diamond DIA-12D4 TS PARAMETERS:
Equivalent Volume: 34.15L
Excursion: 13.5mm
Free Air Resonance: 41Hz
Mechanical Factor: 6.235
Electrical Factor: 0.925
Total Factor: 0.712
Moving Mass: 170.12g
Compliance: 0.051mm/N
Force Factor: 13.256
Voice Coil Inductance: 0.945mH
Diaphragm Area: 530.93cm2
Dc Resistance: 3.4+3.4 ohms
Efficiency Bandwidth Product: 44.3

Black Diamond DIA-12D4 MEASUREMENTS:
Overall Diameter: 12.44″ (316mm)
Overall Depth: 6.5″ (165mm)
Front Mount Baffle Cutout: 10.9″ (277mm)
Mounting Depth: 5.55″ (141mm)
Motor Diameter: 5.90″ (150mm)

We are proud to be an authorized Black Diamond dealer.

B stock – Might come with scratches/chips/dings or may even look used. These items might not come in original packaging either. However they are 100% in working order and the “b stock” status is due to the cosmetics.

Additional information

Weight 23 lbs
Dimensions 13 × 13 × 8 in

Subwoofer Size

Subwoofer Impedance

Subwoofer RMS Rating

Voice Coil Diameter


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