S12.4
Active 12-inch studio subwoofer with a Kevlar composite woofer and a 220 W Class D amplifier. Designed to extend the low end of powered studio monitors, with a four-position crossover, bypass footswitch input and XLR, TRS and RCA connections.
- 12" Kevlar aramid composite woofer
- 220 W Class D amplifier
- Max peak SPL of 119.9 dB
- Four-position crossover control
- XLR, 1/4" TRS and RCA inputs and outputs
- Footswitch bypass input (footswitch not included)
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The S12.4 is a front-ported active subwoofer built around a 12" Kevlar aramid composite woofer and a Class D power amplifier rated at 220 W continuous. It extends bass response down to 23 Hz in the feature list, and the specification lists a 26 Hz–97 Hz frequency response with a maximum peak SPL of 119.9 dB. The cabinet is made of 18 mm reinforced MDF with a lower profile than earlier designs and a front-firing port shaped to limit port turbulence and boundary coupling.
It is intended to be used with KRK or other powered studio monitors. A four-position crossover control adapts the sub to the monitors in use, and polarity and input sensitivity controls help with level and phase matching. A footswitch input (footswitch sold separately) lets the user mute the sub and the crossover filter, sending full-range audio to the monitors without switching the sub off. A ground lift switch helps prevent ground loops.
Connections are XLR, 1/4" TRS and RCA, left and right, on both inputs and outputs, plus a balanced TRS LFE input and a 1/4" footswitch jack. The AC input is voltage-selectable, and the enclosure has an EVA isolation pad.
Video
Specificații
- Marcă
- KRK
- Model
- S12.4
- Categorie
- Studio › Monitoare de studio
Audio
- Configuration
- Front Loaded, Vented Subwoofer
- System type
- Active Subwoofer
- Low-frequency transducer
- 12" Kevlar® Aramid Composite Woofer
- Frequency response
- 26Hz - 97Hz
- Max peak SPL
- 119.9 dB
- Signal to noise ratio
- 92 dB
Amplifier
- Amplifier
- Class D
- Power output (continuous)
- 220 Watts @ 1% THD+N @ 44Hz
- Amplifier distortion (THD+N)
- ≤ 0.3% @-3dB Of Max Power Output 29Hz-97Hz
Inputs
- Input connectors
- XLR L/R, 1/4" TRS L/R, RCA L/R, 1/4" Footswitch
- LFE input
- Balanced TRS
- Input impedance
- 9.4 KΩ Balanced, 9.2 KΩ Unbalanced
Outputs
- Output connectors
- XLR L/R, 1/4" TRS L/R, RCA L/R
Controls
- Crossover
- Four-position
- Ground lift
- On/Off
- HPF bypass
- With Footswitch Only
- Footswitch
- Optional
- Indicators
- Power/Standby
Power
- AC power input
- Selectable 110V-120V / 220V-240V
Physical
- Enclosure
- 18mm Reinforced MDF
- Finish
- Black Vinyl Wrap, Baffle - Black Paint
- Hardware
- EVA Isolation Pad
- Dimensions (H x W x D)
- 16.375" (416 mm) x 23.875" (606 mm) x 14.375" (365 mm)
- Weight
- 62.5 Lb. (28.3 kg.)