Technical Datasheet

Elettromedia - 62018 Potenza Picena (MC) Italy - T +39 0733 870 870 - F +39 0733 870 880 - elettromedia.com
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All Specifications Subject to Change Without Notice_19.A
1. Powerful Neodymium magnet providing high performance with compact size.
2. FEM (Finite Element Method) optimized phase-plug and loading horn.
3. CCAR (Copper Clad Aluminium Ribbon) voice coil for unheard-of thermal and
mechanical capability ready for an easy replacement with replacement body kit.
4. Extra-light aluminium membrane to maximize SPL with high current, screw
terminals.
5. Body waterproofing and anti-UV treatment to allow safe outdoor use without
discoloration over time.
6. “Kit” version with metallic mesh grille and inline crossover filter included.
ST 25K NEO
HIGH EFFICIENCY COMPRESSION DRIVER
100 W
ELECTRO-ACOUSTIC PARAMETERS
D mm 35,5
Re Ω 2,9
Fs Hz 3900
Le mH @ 1 kHz 0,03
Vas I -
Mms g -
Cms mm/N -
BL
Tm
2,05
Qts -
Qes -
Qms -
Spl dB 107
TECHNICAL SPECIFICATIONS
Component
High Efficiency
Compression Driver
Provided inline crossover
Hi-pass filter @
9 kHz - 6 dB Oct.
Size mm (in.) 44 (1.8)
Power Handling W peak
100 Hi-pass filtered @
5 kHz - 12 dB Oct.
Impedance Ω 4
Frequency Response Hz 3k ÷ 20k
Sensitivity dB/SPL 107
Voice Coil Ø mm (in.) 25 (1)
Magnet Neodymium
Dome Aluminium
Weight of one component kg (lb.) 0,39 (0.86)
A 57 mm 2.24 in.
B 43,5 mm 1.7 in.
C 55,5 mm 2.19 in.
D 29,7 mm 1.17 in.
0
2
4
6
8
10
Impedance (Ohm)
500 1000 2000 5000 10000 20000
70
80
90
100
110
120
Frequency (Hz)
SPL (dB) @ 2.83V, 1m, half space
Impedance
on axis
45°off axis

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