Octasound SP820A

Central Speaker System: 12" Woofer, 4x 6"x6" Compression Horn/Drivers

OUR PART #:  SP820A Write the First Review.

Our Price: $1,625.00
List Price: $2,500.00
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Octasound's SP820A is a full-fidelity (35 Hz - 20 kHz) central speaker system.
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Octasound's SP820A is a full-fidelity (35 Hz - 20 kHz) central speaker system. The SP820A tuned port enclosure contains an efficient 12" woofer matched to 4 compression horns & drivers. The frequency spectrum of the woofer and horns is determined by an internal crossover network that is optimized to maximize performance. This combination ensures full fidelity reproduction from an extremely compact central speaker system.

The SP820A is extremely sensitive with an SPL of 101 dB per watt at 1 M, hence very little amplifier power is required to obtain the required sound pressure levels. At maximum RMS input power, the SP820A can produce 125 dB SPL at 1 M. The SP820A can withstand input power of 250W RMS. The SP820A also contains a built-in, self-resetting thermal protective circuit. This protects the high frequency drivers from excessive and distorted (10% THD) input levels. The SP820A provides coverage over 360° Horizontal & 180° Vertical plane. These wide dispersion characteristics will permit a large area to be covered by a single SP820A.

The SP820A is only 12" (30.5 cm) high & weighs 60 lbs. (27.2 kg). The SP820A can be installed in low ceiling areas and close to lights without casting shadows. The low weight permits suspension using readily available hardware such as closed link chains, wire, rope, etc. The combination of small dimensions and low weight permits the SP820A to be shipped inexpensively via standard couriers or parcel service companies.


  • Frequency Response:
    • 35 Hz to 20 kHz +/- 10 dB (on axis)
    • 45 Hz to 12 kHz +/- 6 dB (on axis)
  • Optimum Power: 50 to 200W RMS total
  • Power Handling: 250W RMS total, 500W peak (THD: < 10%)
  • Impedance: 8 ohms nominal
  • Dispersion: 360° Horizontal, 180° Vertical
    • +/- 6 dB Level 100 H to 10 kHz
  • Sensitivity: 101 dB/watt/meter on axis
    • Pink Noise 100 Hz to 10 kHz averaged
  • Maximum SPL: 125 dB RMS / 128 dB Peak at 1 meter
  • Temperature Range: -20°C to 55° C (-4° F to 131° F)
  • Humidity Range: 0% to 100% non-condensing
  • Weight: 60 lbs (27.2 kg)
  • Material: Exterior treated wood composite panel
  • Mounting Hardware: Four 1.5" eye nuts, 0.75" I.D. Eye 1/4 x 20 thread
  • Shipping weight: 68 lbs (30.8 kg)
  • Shipping Dimensions: 23" (58.4 cm) square, by 16" (40.6 cm) high

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