beyma Full Range Frequency Transducer User Manual

beyma Full Range Frequency Transducer User Manual

KEY FEATURES

  • 3” full-range compact ferrite loudspeaker
  •  60 W program power
  • FEA optimized magnetic circuit
  • Shorting cup for extended response and very low distortion
  • Optimized surround design for minimal resonance behaviour KEY FEATURES Acústica Beyma SL – P.I. Moncada II, C/ Pont Sec, 1C – 46113 Moncada, Valencia (Spain) – Tel. +34 96 130 13 75 –
  • Optimized linearity and dispersion pattern
  •  Weatherproof paper cone and extreme resistance elastomer surround
  • Pressed Steel Frame
  •  Ideal for beam-steering application, portable array, columns and compact applications

TECHNICAL SPECIFICATIONS

Nominal diameter                               77 mm 3 inRated impedance                                8 ΩMinimum impedance                         7 ΩPower capacity 1                                30 WAESProgram power 2                               60 WSensitivity                                          90,5 dB 1W / 1m @ ZNFrequency range                                135 – 20.000 HzVoice coil diameter                            20,3 mm 0,8 inBl factor                                            4,5 N/AMoving mass                                    0,0023 kgVoice coil length                              6 mmAir gap height                                  5 mm

Notes:

  1. The power capaticty is determined according to AES2-1984 (r2003) standard.
  2. Program power is defined as power capacity + 3 dB.
  3. T-S parameters are measured after an exercise period using a preconditioning power test. The measurements are carried out with a velocity-current laser transducer and will reflect the long term parameters (once the loudspeaker has been working for a short period of time).
  4. The Xmax is calculated as (Lvc – Hag)/2 + (Hag/3,5), where Lvc is the voice coil length and Hag is the air gap height.
  5. Product designed by  Acústica  Beyma S.L.

THIELE-SMALL PARAMETERS 3

Resonant frequency, fs                                    133 HzD.C. Voice coil resistance, Re                          5,8 ΩMechanical Quality Factor, Qms                     5,9Electrical Quality Factor, Qes                          0,56Total Quality Factor, Qts                                0,51Equivalent Air Volume to Cms, Vas               1,0 lMechanical Compliance, Cms                        624 μm / NMechanical Resistance, Rms                           0,32 kg / sEfficiency, η0                                                 0,4 %Effective Surface Area, Sd                             0,003 m2Maximum Displacement, Xmax 4                  2 mmDisplacement Volume, Vd                             5 cm3Voice Coil Inductance, Le @ 1 kHz              0,16 mH

FULL RANGE FREQUENCY TRANSDUCER

Note: Frequency response measured with loudspeaker standing on infinite baffle in anechoic chamber, 1W @ 1m

Frequency response on axis Frequency response 45º off axis

MOUNTING INFORMATION

Overall diameter                      93,5 mm 3,7 inBolt circle diameter                 85 mm 3,4 inBaffle cutout diameter:            75 mm 3,9 in– Front mount                          52 mm 2 inDepth                                      0,57 kg 1,2 lbNet weight                              0,70 kg 1,5 lbShipping weight

DIMENSION DRAWING

 

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