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Scan-Speak

Scan-Speak - 1" Discovery Ring Radiator Tweeter - R2604/833000

Scan-Speak - 1" Discovery Ring Radiator Tweeter - R2604/833000

Regular price $94.95 AUD
Regular price Sale price $94.95 AUD
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Description

Dual concentric silk fabric diaphragm with wave guide centre plug Double chamber with damping for a low resonance rear cavity 550Hz Distortion reducing shorting ring and copper clad aluminium wire Phase plug also enables an extended upper frequency response 40KHz This is the Danish version of the popular and innovative Vifa unit. Made in Denmark, these units have also been improved upon. 5 Bolt poly-facia.

Features

  • Extended Frequency To Above 40KHz
  • Very Low Resonance Frequency - 450Hz
  • Low Distortion
  • High sensitivity - 92dB
  • Dual Ring Radiator diaphragm (Patent)
  • Wave-guide centre plug (Patent)

Specifications

General

Driver type Tweeter
Nominal size 1"
Nominal impedance 4Ω
Series Discovery
Power handling (RMS) 100 W
Sensitivity 92 dB
Frequency range 2,500 – 30,000 Hz
Recommended crossover 2. order HP Butterworth, 2.5 kHz

Thiele/Small parameters

Resonant frequency (Fs) 440 Hz
DC resistance (Re) 2.9 Ω
Minimum impedance (Zmin) 3.6 Ω
Voice coil inductance (Le) 0.02 mH
Mechanical Q (Qms) 2.18
Electrical Q (Qes) 0.46
Total Q (Qts) 0.38
Equivalent volume (Vas) 0.02 L
Compliance (Cms) 0.44 mm/N
Moving mass (Mms) 0.3 g
Mechanical resistance (Rms) 0.38 kg/s
Force factor (Bl) 2.3 T·m
Effective piston area (Sd) 5.4 cm²
Linear excursion (Xmax, one-way) 0.2 mm
Mechanical excursion (Xmech) 1.6 mm
Displacement volume (Vd) 0.108 cm³
Efficiency bandwidth product (EBP) 956.5
Effective piston diameter (D) 26 mm
Impedance at resonance (Zo) 16.8 Ω

Motor

Voice coil height 2.2 mm
Air gap height 2.5 mm
Voice coil layers 2

Mounting

Overall diameter 104 mm
Mounting depth 55 mm
Flange thickness 5 mm
Bolt circle diameter 92 mm
Mounting holes 5
Mounting hole diameter 4.2 mm
Volume displaced by driver 0.18 L
Voice coil diameter 26 mm
Weight 0.8 kg

Materials

Magnet Ferrite
  • Xmax is quoted one-way (peak), not peak-to-peak.
  • Sensitivity measured at 2.83V/1m.
  • Power handling (RMS) is Scan-Speak's 100-hour RMS noise test (IEC 18.4).

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