19TNF H 225 TWEETER

19TNF H 225 TWEETER
H 225
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.
OF NORWAY
TWEETER
19TNF
Cumulative spectral decay
19mm High Fidelity dome tweeter with a specially designed soft diaphragm.
The chassis is injection moulded in glass fibre reinforced plastic. The
unit features high efficiency and wide dispersion due to a moderate horn
loading and a small diaphragm. The voice coil windings are immersed in
magnetic fluid to increase short term power handling capacity, to reduce
the compression at high power levels and to significantly reduce the
Q factor.
8
NOMINAL IMPEDANCE
RECOMMENDED FREQUENCY RANGE
Ohms
4000-20000 Hz
VOICE COIL RESISTANCE
0.05 mH
VOICE COIL DIAMETER
19.5 mm
SHORT TERM MAXIMUM POWER*
200 W
LONG TERM MAXIMUM POWER*
80 W
VOICE COIL HEIGHT
CHARACTERISTIC SENSITIVITY (1W , 1m)
90 dB SPL
MOVING MASS
OPERATING POWER (96 dB SPL , 1 m)
4.0 W
EFFECTIVE PISTON AREA
4.0 sq.cm
LINEAR COIL TRAVEL ( p-p )
0.5 mm
NOTES
AIR GAP HEIGHT
2.0 mm
MAGNETIC GAP FLUX DENSITY
1.4 T
FORCE FACTOR
2.6 N/A
MAGNET WEIGHT
TOTAL WEIGHT
T19-002
1.5 mm
0.20 g
FREE AIR RESONANCE
1700 Hz
0.12 Kg
0.30 Kg
* IEC 268-5, VIA HIGH PASS BUTTERWORTH FILTER:
APR.97
6.2 Ohms
VOICE COIL INDUCTANCE (EQUIVALENT)
5000
Hz
12 dB/oct.
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