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PRV Audio

2 X PRV Audio 12W800A 12" Alto Series Professional Woofer 8 Ohm New 2 unit

2 X PRV Audio 12W800A 12" Alto Series Professional Woofer 8 Ohm New 2 unit

Regular price $169.82 USD
Regular price Sale price $169.82 USD
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PRV Audio 12W800A 12" Alto Series Professional Woofer 8 Ohm

The 12W800A Alto series 12" professional 8 ohm woofer from PRV Audio is designed for high output with smooth, natural sound with powerful low frequency impact. The wide 55 to 5,800 Hz frequency response, makes this driver and excellent choice for use as a woofer in two-way designs or even a midrange/midbass in large three-way speaker systems.

Key Features
  • 97 dB sensitivity and 400 watt power handling for tremendous output levels
  • 5.7 mm Xmax allows excellent displacement for high impact bass capability
  • Vented pole piece help cool the 2-1/2" voice coil for high power handling with low compression
  • Excellent efficiency with extended high frequency response is ideal for bass guitar

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 studio or on stage, the 12W800A is a great choice for any system where high efficiency and high output is the goal. This driver has been painstakingly voiced to create a natural tone with low distortion at high levels. Featuring a multi-roll surround, large raised spider, and 2-1/2" light-weight voice coil, the 12W800A is capable of high output while keeping distortion under control. Also, the vented pole also improves cooling of the voice coil allowing continuous power handling of up to 400 watts RMS with minimal power compression.

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



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)


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