Beyma CD-151Fe/PK (8 Ω) Compression Driver

Brand:

AttributeValue
Power Rating140W
Nominal Impedance5,3Ω
Magnet TypeFerrite
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Description

Key Features

  • Next generation 1” (25.4 mm) exit compression driver

  • Deplocex® technology (patent pending) for thermal dissipation, low power compression losses, and high power handling

  • 1.5” (38.1 mm) copper-clad aluminum voice coil with Kapton former

  • VPEQ® technology (patent pending) for linear frequency response

  • High Temperature Polymer annular ring diaphragm, FEM-optimized for extended and linear response with minimal resonances

  • Copper shorting cap for reduced distortion, linear inductance, and increased output

  • FEM-optimized ceramic magnetic circuit

  • 140 W program power above 1.8 kHz

  • Sensitivity: 110 dB (1W/1m, coupled to TD-164 horn, averaged 2–7 kHz)

Technical Specifications

  • Throat Diameter: 25.4 mm (1 in)

  • Rated Impedance: 8 Ω

  • Minimum Impedance: 5.3 Ω

  • DC Resistance: 4.5 Ω

  • AES Power Capacity: 70 W above 1.8 kHz

  • Program Power: 140 W above 1.8 kHz

  • Sensitivity: 110 dB (1W / 1m, coupled to TD-164 horn)

  • Frequency Range: 0.9 – 20 kHz

  • Recommended Crossover: 1.8 kHz or higher (12 dB/oct min.)

  • Voice Coil Diameter: 38.1 mm (1.5 in)

  • Flux Density: 1.6 T

  • Bl Factor: 6 N/A


Dimensions & Mounting

  • Overall Diameter: 102 mm (4.01 in)

  • Depth: 44.4 mm (1.75 in)

  • Mounting Options:

    • 3 × M5 threaded holes, 120° apart on 57 mm (2.24 in) bolt circle

    • 2 × M5 threaded holes, 180° apart on 76.2 mm (3 in) bolt circle

  • Net Weight: 1.3 kg (2.8 lb)

  • Shipping Weight: 1.4 kg (3 lb)

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