PRV Audio 12W800A 12" Pro Audio Woofer (Single Unit)

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Vendor : PRV Audio

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High fidelity meets high output — PRV Audio ALTO Series Woofers. Audio experts and professional musicians know that tone can make or break a performance, in the studio or on the stage. That’s why PRV Audio’s Alto Series woofers were carefully crafted and voiced to create a natural, smooth sound while remaining dynamic.


  • Nominal Impedance: 8 Ohms
  • 800 Watts Program RMS power makes high acoustical output
  • 55 to 5,800 Hz frequency response makes this midbass/woofer suitable for two or three-way designs
  • Capable of extreme output levels with 97 dB sensitivity
  • 5.72 mm Xmax allows excellent displacement for high impact bass capability

With improved excursion and higher power handling over PRV’s popular 12W750A, the 12W800A Alto series 12″ professional 8-ohm woofer offers improved output capability and more low frequency impact.


Designed for use in a compact ported box, the 12W800A is a great choice for any system where high efficiency and high output is the goal. This low-frequency midbass has been painstakingly voiced to create a natural tone with low distortion at high levels. Featuring a multi-roll surround, large raised spider, and 2.50″ light-weight voice coil, the 12W800A is capable of high output while keeping distortion under control.

Technical Details


Nominal Diameter 12″ (305 mm)
Nominal impedance 8 Ohms
Rated AES Power Handling (RMS) 400 Watts
Program Power 800 Watts
Sensitivity 2.83V at 1m 97 dB
Recommended Hi Pass Crossover**
**For Full Power Handling
115 Hz**
**12db Per Octave Crossover
Frequency Response at -10dB 55 – 5800 Hz
Voice Coil Diameter 2.5″ (65 mm)
Voice Coil Wire CCAW
Voice Coil Winding Depth 16.2 mm
Former Material Polyimide
Magnetic Gap Depth 9.5 mm
Frame Material Stamped Steel


Equivalent Volume Vas 93.9 l
Excursion (mathematical)*** Xmax 5.72 mm
Free Air Resonance Fs 49.8 Hz
Mechanical Factor Qms 11.89
Electrical Factor Qes 0.49
Total Factor Qts 0.47
Cone Area Sd 552 cm²
Mechanical Mass Mms 46.24 g
Bl Factor Bl 12.71 Tm
Dc Resistance Re 5.5 Ohms
Inductance Le 0.45 mH at 1 kHz
Mechanical Mass Without Air Mmd 38.90 g
Mechanical Compliance Cms 0.221 mm/N

***Xmax=(Voice coil winding depth-Magnetic Gap depth)/2+ Mgnetic Gap Depth/4



Overall Diameter 12.03" (305.5 mm)
Front Mount Baffle Cutout 11.06" (281 mm)
Mounting Depth 4.96" (126 mm)
Overall Depth 5.22" (132.5 mm)
Net Weight 10.8 Lbs (4.9 kg)
Shipping Weight 12.1 Lbs (2.29 kg)
Carton Dimensions W x L x H 13.58" x 13.58" x 7.48”
(345 x 345 x 190 mm)




Shipping charges for Ratchet's Den are as follows::

$0.00–$25.00 =  $4.95 USD

$25.00–$75.00 =  $9.95 USD

$75.00–$100.00 =  $14.99 USD

$101.00 and up =  $19.99 USD


Returning Goods

You are responsible for the cost and risk of returning item to us. You should send items to the following address:

13978 SW 139th Ct Miami Florida, 33186 USA

We cannot be held responsible for Goods damaged or lost in return shipment. Therefore, We recommend an insured and trackable mail service. We are unable to issue a refund without actual receipt of the Goods or proof of received return delivery.

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