Key Features
- Kapton Coil Former
- Polyamide-Imide Coated Copper Voice Coil
- Ferrite Magnet
- Vented & Pole Piece
- Pressed Steel Basket
- Paper Cone
- Cloth Accordian Surround
Description
Recommended for Professional Audio and Bass Guitar Applications as a Woofer in a Vented Enclosure. Also Works Well for PA in a Sealed or Bandpass Enclosure.
The performance of the Eminence Beta-12A-II 12" speaker is optimized for sound reinforcement systems. The Beta-12A-II is also suitable for lead and bass guitar, keyboards, guitar combos club music systems and stage monitors. Made in the USA. 7-year manufacturer's warranty!
Specifications:
- SPECIFICATION
- Nominal Basket Diameter: 12"
- Power Handling (RMS): 250 Watts
- Power Handling (max): 500 Watts
- Impedance: 8 ohms
- Frequency Response: 43 to 3,800 Hz
- Sensitivity: 98 dB 1W/1m
- Voice Coil Diameter: 2"
- Magnet Weight: 38 oz.
- Thiele-Small Parameters
- Resonant Frequency (Fs): 47 Hz
- DC Resistance (Re): 5 ohms
- Voice Coil Inductance (Le): 0.64 mH
- Mechanical Q (Qms): 6
- Electromagnetic Q (Qes): 0.50
- Total Q (Qts): 0.46
- Compliance Equivalent Volume (Vas): 4.24 ft.³
- Mechanical Compliance of Suspension (Cms): 0.29 mm/N
- BL Product (BL): 10.80 Tm
- Diaphragm Mass Inc. Airload (Mms): 40g
- Maximum Linear Excursion (Xmax): 4.4 mm
- Surface Area of Cone (Sd): 538.9 cm²
- Materials of Construction
- Cone Material: Paper
- Surround Material: Cloth
- Voice Coil Wire Material: Copper
- Voice Coil Former: Kapton / Polyimide
- Basket / Frame Material: Steel
- Magnet Material: Ferrite
- Mounting Information
- Overall Outside Diameter: 12.03"
- Baffle Cutout Diameter: 10.95"
- Depth4.57"# Mounting Holes8
- Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
- Sealed Volume: 2.36 ft.³
- Sealed F3: 83 Hz
- Vented Volume: 7.35 ft.³
- Vented F3: 42 Hz
Details
- Manufacturer: Eminence
- MPN: Beta-12A-II
- Model Number: Beta-12A-2
- UPC: 876358000111