Cerwin-Vega CVA-121


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The CVA-121 is a flagship 21-inch active subwoofer with tremendous power output and exceptional low-frequency response. The custom designed 21-inch driver uses the legendary Cerwin-Vega Stroker® three spider technology for maximum cone excursion and voice-coil efficiency.

The CVA-121 features built-in amplification for a fully integrated solution with an authoritative 1200 watts of continuous output and 2400 watt peaks. A unique and striking cast aluminum grille doubles as a heat-sink to minimize power compression and optimizing driver performance.

The CVA-121 is constructed of hardwood with the option of a Coolex® polyurethane paint or high-grade black carpet finish, in a compact enclosure design that has the footprint of a standard 18-inch subwoofer.

This high-performance active sub features XLR and 1/4” TRS connectors, Master/Slave output connectors for daisy-chaining multiple CVA subwoofers using a single signal, and a versatile onboard parametric equalizer that allows for the adjustment of the gain, frequency, and Q for perfecting your bass performance. A top-mounted 35 mm pole socket accommodates a satellite speaker for full range performance, and removable casters add to the sub’s portability.


Custom 21″ Cerwin-Vega Woofer with Stroker® More bass in less space (21” driver in 18” cabinet footprint)
Built-in System Amplification   (1200 W RMS / 2400 W Peak)
Versatile Onboard Parametric Equalizer
4-Position High Pass Filter
Sweepable Low Pass Filter
Scalable with multiple subs using Master/ Slave Output
Cast Aluminum Grille (which dissipates heat from driver)
Solid 18mm Hardwood Enclosure with Paint or Carpet Finish*
Multiple top-mount 35 mm Pole Socket (for dual / triple antler^)
Removable Casters included (2-fixed & 2-swivel)

Performance Data:

Frequency Response: 35 Hz – 135 Hz (±3 dB)
Peak Power Handling: 2400 watts
Program Power Handling: 1200 watts
Frequency Range: 32 Hz – 135 Hz (-10 dB)
Max SPL: 135 dB

LPF: Continuously variable from 65 Hz to 130 Hz

HPF: Selectable Output 65Hz, 85Hz 130Hz or Bypass
Driver: model, SW21C, size 21″
21″ Woofer with 4″ Voice Coil
High Quality Coolex® Paint for Durability

Weight 180 lbs
Dimensions 31.75 × 23.5 × 23.5 in


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