t25-001 tweeter
TWEETER
T25-001
E 006
6
NOMINAL IMPEDANCE
RECOMMENDED FREQUENCY RANGE
Ohms
2000-25000Hz
200 W
SHORT TERM MAXIMUM POWER*
VOICE COIL RESISTANCE
4,3 Ohms
VOICE COIL INDUCTANCE (EQUIVALENT) 0,05 mH
VOICE COIL DIAMETER
26 mm
VOICE COIL HEIGHT
1,5 mm
LONG TERM MAXIMUM POWER*
90 W
CHARACTERISTIC SENSITIVITY (1W,1m)
90 dB SPL
OPERATING POWER ( 96 dB SPL , 1m)
4,0 W
AIR GAP HEIGHT
2,0 mm
EFFECTIVE PISTON AREA
1,8 T
LINEAR COIL TRAVEL ( p-p )
0,5 mm
FREE AIR RESONANCE
750 Hz
MAGNETIC GAP FLUX DENSITY
FORCE FACTOR
3,5 N/A
MAGNET WEIGHT
0,34 Kg
TOTAL WEIGHT
0,80 Kg
0,33 g
MOVING MASS
* IEC 268-5, VIA HIGH PASS BUTTERWORTH FILTER:
7,0 sq.cm
2500 Hz 12 dB/oct.
Response curve recorded in an anechoic chamber (Free-field, 4 pi radiation) with 0.5m microphone distance.
The loudspeaker is mounted in a 0.6m by 0.8m baffle.
The T25-001 is a 25mm fabric dome with moderately high efficiency.
It is the tweeter of choice for those who want the most precise and realistic reproduction of the high
frequency audio range.
SPECIAL FEATURES
An optimally shaped diaphragm which gives well-controlled behaviour through the entire high frequency
band. This diaphragm is produced from SONOTEX, a proprietary material developed and manufactured
only by SEAS. The SONOTEX process pre-coats the fabric 4 times with a damping/sealing material,
resulting in excellent acoustic performance and consistency.
Silver voice coil which improves electrical conductance for greater sensitivity to the fine details in the music
signal.
Flexible lead-out wires which ensure a good connection between voice coil and terminals. This arrangement
also helps to prevent lead breakage due to the large excursions encountered when low crossover frequencies
are used.
Low viscosity magnetic fluid which provides excellent cooling while maintaining a low resonance
frequency.
6 mm solid metal front plate with a slight loading characteristic which ensures linear frequency response,
and a stiff and stable connection to the cabinet.
A substantial injection-moulded rear chamber, with complex internal shape and reinforcing ribs, which
eliminate unwanted chamber resonances and reflections.
A double magnet system which increases sensitivity and provides better control of the voice coil. This
system also reduces the magnetic stray fields, making the T25-001 an ideal choice in high end A/V
applications.
SEP.96
ET 25-001
Cumulative spectral decay
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