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Eminence Beta-8A Replacement PA Speaker   8 in.

(8 in.)  Sku #667720000000110

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Order Now! Expected to Ship 02-14-2019

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A heavy-duty speaker at a light price!

The Eminence Beta-8A Replacement PA Speaker is recommended for professional audio mid-bass applications or as a woofer in vented enclosures. Also suitable as a mid-bass speaker in sealed enclosures.

Eminence recommends the Beta-8A as a direct replacement for the Nady PCS-8.

Get better guitar sound for your rig today! Click or call to get your Beta replacements!


Beta-8A Replacement PA Speaker Specifications:

  • Nominal Basket Diameter: 8", 203.2mm
  • Nominal Impedance*: 8 ohms
  • Power Rating: Watts 225W;
  • Music Program - 450W
  • Resonance: 65Hz
  • Usable Frequency Range
  • 78Hz-4.5kHz
  • Sensitivity***: 95.1
  • Magnet Weight: 34 oz.
  • Gap Height: 0.312", 7.92mm
  • Voice Coil Diameter: 2", 50.8mm
  • Resonant Frequency (fs)
  • DC Resistance (Re): 5.99
  • Coil Inductance (Le): 0.49mH
  • Mechanical Q (Qms): 4.95
  • Electromagnetic Q (Qes): 0.42
  • Total Q (Qts): 0.38
  • Compliance Equivalent Volume (Vas): 23.3 liters / 0.82 cu. ft.
  • Peak Diaphragm Displacement Volume (Vd): 63cc
  • Mechanical Compliance of Suspension (Cms): 0.37mm/N
  • BL Product (BL): 9.6 T-M
  • Diaphram Mass inc. Airload (Mms): 16 grams
  • Efficiency Bandwidth Product (EBP): 156
  • Maximum Linear Excursion (Xmax): 3.0mm
  • Surface Area of Cone (Sd): 210.0 cm2
  • Maximum Mechanical Limit (Xlim): 7.4mm
  • Recommended Enclosure: Sealed: 5.7-9.9 liters/0.2-0.35 cu.ft.; Vented: 8.5-19 liters/0.3-0.67 cu.ft.
  • Overall Diameter: 8.24", 209.2mm
  • Baffle Hole Diameter 7.13", 181mm
  • Front Sealing Gasket: fitted as standard
  • Rear Sealing Gasket: fitted as standard
  • Mounting Holes Diameter: 0.22", 5.5mm
  • Mounting Holes B.C. D.: 7.75", 196.9mm
  • Depth: 3.5", 89mm
  • Net Weight: 6.6 lbs., 3 kg
  • Shipping Weight: 7.4 lbs., 3.4 kg
  • Coil Construction: Aluminum voice coil
  • Coil Former: Polyimide former
  • Magnet Composition: Ferrite magnet
  • Core Details: Vented core
  • Basket Materials: Pressed steel basket
  • Cone Composition: Paper Cone
  • Cone Edge Composition: Cloth cone edg
  • Dustcap Composition: Solid composition paper dust cap
  • *Please consult for specifications of models with alternative impedances.
  • **Multiple units exceed published rating evaluated under EIA 426A noise source and test standard while in a free-air, non-temperature controlled environment.
  • ***The average output across the usable frequency range when applying 1W/1M into the nominal impedance. Ie: 2.83V/8ohms, 4V/16ohms. Eminence response curves are measured under the following conditions: All speakers are tested at 1w/1m using a variety of test set-ups for the appropriate impedance | LMS using 0.25" supplied microphone (software calibrated) mounted 1m from wall/baffle | 2ft. X 2ft. baffle is built into the wall with the speaker mounted flush against a steel ring for minimum diffraction | Hafler P1500 Trans-Nova amplifier | 2700 cu.ft. chamber with fiberglass on all six surfaces (three with custom-made wedges).
  • ****BETA 8CX, 10CX, 12CX and ACOUSTINATOR CX2008 are coaxial speakers with tweeter sold separately. Published Usable Frequency response contingent
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