
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