Wavecor FR084WA03 3 1/4″ 64 ohm fullranges for Line Arrays
Overview:
The two 64 ohm fullrange transducers FR084WA03 (3.25″) share same design ideas, performance targets, and applications. Both were designed for high quality Line Arrays, with 8 transducers connected in parallel (8 ohm system impedance), or 16 in parallel for 4 ohm system impedance.
Features:
- True full-range designs with on-axis output to beyond 20 kHz
- Copper cap on center pole to reduce voice coil inductance and to minimize variations in voice coil inductance as a function of voice coil position (FR084WA03 only)
- Black anodized alu cone for better heat transfer
- Vented polymer chassis for lower air flow speed reducing audible distortion
- Vented voice coil former for reduced distortion and compression
- Heavy-duty black fiber glass voice coil bobbin to reduce mechanical losses resulting in better dynamic performance and low-level details
- Large motor with 22 mm voice coil diameter for better control and power handling
- Low-loss suspension (high Qm) for better reproduction of details and dynamics
- Black motor parts for better heat transfer to the surrounding air
- Conex spider for better durability under extreme conditions
- Gold plated terminals to ensure long-term trouble free connection
- Delivered with foam gasket attached for hassle-free mounting and secure cabinet sealing
Nominal Specifications:
Parameter | FR084WA03 | Unit | |
Before burn-in | After burn-in | ||
Nominal size | 3.25 | [inch.] | |
Nominal impedance | 64 | [ohm] | |
Recommended max. upper frequency limit | full range | [kHz] | |
Sensitivity, 2.83V/1m (average SPL in range 200 – 1,000 Hz) | 74 | [dB] | |
Power handling, short term, IEC 268-5, no additional filtering | 30 | [W] | |
Power handling, long term, IEC 268-5, no additional filtering | 25 | [W] | |
Power handling, continuous, IEC 268-5, no additional filtering | 10 | [W] | |
Effective radiating area, Sd | 36 | [sq.cm] | |
Resonance frequency (free air, no baffle), Fs | 120 | 116 | [Hz] |
Moving mass, incl. air (free air, no baffle), Mms | 3.05 | [g] | |
Force factor, Bxl | 6.8 | [N/A] | |
Suspension compliance, Cms | 0.58 | 0.62 | [mm/N] |
Equivalent air volume, Vas | 1.07 | 1.14 | [lit.] |
Mechanical resistance, Rms | 0.30 | 0.30 | [Ns/m] |
Mechanical Q, Qms | 7.6 | 7.4 | [-] |
Electrical Q, Qes | 2.43 | 0.26 | [-] |
Total Q, Qts | 0.31 | 2.35 | [-] |
Voice coil resistance, RDC | 49 | [ohm] | |
Voice coil inductance, Le (measured at 10 kHz) | 0.63 | [mH] | |
Voice coil inside diameter | 22 | [mm] | |
Voice coil winding height | 8 | [mm] | |
Air gap height | 3 | [mm] | |
Magnet weight | 160 | [g] | |
Total unit net weight excl. packaging | 0.37 | [kg] | |
Krm | [mohm] | ||
Erm | [-] | ||
Kxm | [mH] | ||
Exm | [-] |
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