ScanSpeak D2604, 830000 Tweeter - Discovery Range

The ScanSpeak D2604/830000 is a high-sensitivity Discovery Series dome tweeter and a manufactured replacement for the Vifa DX25TG05-04. Its rear chamber, textile diaphragm and wide surround deliver low distortion, wide dispersion and an extended high-frequency response above 30kHz.

Combining traditional design, solid construction and excellent performance, the D2604/830000 provides genuine ScanSpeak quality at an accessible price.

Highlights

• High 92dB sensitivity

• Extended frequency response above 30kHz

• Low 630Hz resonance frequency

• Low-distortion performance

• Wide sound dispersion

• Textile diaphragm with wide surround

• Compact rear chamber

Technical Specifications

• Tweeter type: 26mm textile dome tweeter

• Nominal impedance: 4Ω

• Minimum impedance: 3.7Ω

• Maximum impedance: 12.3Ω

• Sensitivity: 92dB (2.83V/1m)

• Recommended operating range: 2.5-20kHz

• Extended response: Above 30kHz

• Free-air resonance (Fs): 630Hz

• DC resistance (Re): 2.8Ω

• Voice-coil inductance (Le): 0.04mH

• Mechanical Q factor (Qms): 3.46

• Electrical Q factor (Qes): 1.02

• Total Q factor (Qts): 0.79

• Force factor (BL): 2.2Tm

• Mechanical resistance (Rms): 0.48kg/s

• Moving mass (Mms): 0.42g

• Compliance (Cms): 0.15mm/N

• Effective diaphragm diameter: 32mm

• Effective piston area (Sd): 8cm²

• Equivalent volume (Vas): 0.01L

Mechanical Specifications

• Voice-coil diameter: 26mm

• Voice-coil height: 2mm

• Voice-coil layers: 2

• Gap height: 2.5mm

• Linear excursion: ±0.3mm

• Maximum mechanical excursion: ±1.6mm

• Unit weight: 0.5kg

• Cabinet displacement volume: 0.10L

Physical Dimensions

• Faceplate diameter: 104.2mm

• Overall depth: 25.4mm

• Faceplate thickness: 5mm

• Rear chamber diameter: 72mm

• Rear cut-out diameter: 75mm

• Fixing holes: 5 × 4.2mm (±0.2mm)

• Fixing-hole pitch circle: 92mm PCD

Power Handling

• 100-hour RMS noise test: 100W (IEC 18.4)

• Long-term maximum power: 240W (IEC 18.2)

• Recommended crossover: Second-order high-pass Butterworth at 2.5kHz

PRICE (1 off)
£35.30 +vat +p&p