
N.C. Madsensvej 1 6920 Videbæk Denmark Phone: +45 6040 5200 www.scan-speak.dk
TWEETER
D2604/830000
The Discovery series offer traditional design, superior sound, a solid construction, and
a wide range of variants. Combining these elements - plus a wealth of technical
features and finesses - it gives our customers the possibility of acquiring a tailor-made
Scan-Speak solution with very good performance at a reasonable low price point!
KEY FEATURES:
High sensitivity - 92dB
Low Resonance Frequency - 630Hz
Wide Dispersion
Extended Frequency to Above 30KHz
Low Distortion
Textile Diaphragm, Wide Surround
Notes:
IEC specs. refer to IEC 60268-5 third edition.
All Scan-Speak products are RoHS compliant.
Data are subject to change without notice.
Datasheet updated: February 22, 2011.
T-S Parameters
Resonance frequency [fs]
630 Hz
Mechanical Q factor [Qms]
3.46
Electrical Q factor [Qes]
1.02
Total Q factor [Qts]
0.79
Force factor [Bl]
2.2 Tm
Mechanical resistance [Rms]
0.48 kg/s
Moving mass [Mms]
0.42 g
Suspension compliance [Cms]
0.15 mm/N
Effective diaph. diameter [D]
32 mm
Effective piston area [Sd]
8 cm²
Equivalent volume [Vas]
0.01 l
Sensitivity (2.83V/1m)
92.1 dB
Ratio Bl/√Re
1.31 N/√W
Ratio fs/Qts
800 Hz
Electrical Data
Nominal impedance [Zn]
4 Ω
Minimum impedance [Zmin]
3.7 Ω
Maximum impedance [Zo]
12.3 Ω
DC resistance [Re]
2.8 Ω
Voice coil inductance [Le]
0.04 mH
Power Handling
100h RMS noise test (IEC 17.1)*
100 W
Long-term max power (IEC 17.3)*
- W
*Filter: 2. order HP Butterworth, 2.5 kHz
Voice Coil and Magnet Data
Voice coil diameter
26 mm
Voice coil height
2 mm
Voice coil layers
2
Height of gap
2.5 mm
Linear excursion
± 0.3 mm
Max mech. excursion
± 1.6 mm
Unit weight
0.5 kg