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:



. Extended Frequency To Above 40KHz

. Low Distortion

. Dual Ring Radiator diaphragm (Patent)

. Very Low Resonance Frequency - 450Hz

. High sensitivity - 92dB

. Wave-guide center plug (Patent)




T-S Parameters



Resonance frequency [fs] 440 Hz

Mechanical Q factor [Qms] 2.18

Electrical Q factor [Qes] 0.46

Total Q factor [Qts] 0.38

Force factor [Bl] 2.3 Tm

Mechanical resistance [Rms] 0.38 kg/s

Moving mass [Mms] 0.3 g

Suspension compliance [Cms] 0.44 mm/N

Effective diaph. diameter [D] 26 mm

Effective piston area [Sd] 5.4 cm2

Equivalent volume [Vas] 0.02 l

Sensitivity (2.83V/1m) 92 dB

Ratio Bl/ãRe 1.35 N/ãW

Ratio fs/Qts 1169 Hz




Electrical Data



Nominal impedance [Zn] 4 J

Minimum impedance [Zmin] 3.6 J

Maximum impedance [Zo] 16.8 J

DC resistance [Re] 2.9 J

Voice coil inductance [Le] 0.02 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 2.2 mm

Voice coil layers 2

Height of gap 2.5 mm

Linear excursion } 0.2 mm

Max mech. excursion } 1.6 mm

Unit weight 0.8 kg