Owner's Manual

GROUND ZERO GZHT 25S
HYDROGEN SERIES
Technische Daten / Specifications
Verified with KLIPPEL
®
GROUND ZERO is using the worldwide accepted KLIPPEL
®
R&D Analyzer KA3 measurement system
for speaker development during the German in-house development as well as for QC reporting for
most production lines at the factory. The results of LPM and LSI measurements are the basis for
evaluating and verifying further development enabling to offer perfectly working products in any
practical application. Continuous and advanced trainings for development employees ensure the
highest possible qualification.
KLIPPEL
®
is a registered trademark of KLIPPEL GmbH
Modell /
model
GZHT 25S
Kalotten-Durchmesser /
dome diameter
25 mm / 1”
Schwingspule /
voice coil
25 mm / 1” CCA
Antrieb (Magnet) /
motor (magnet)
Neodym / neodymium
Membran /
cone
Beschichtete Seide / coated silk
Wirkungsgrad / e
fficiency (SPL)
89 dB
Impedanz (nominal) /
impedance
(nominal)
4 Ohm / ohms
Resonanzfrequenz / r
esonance frequency
(F
s
)
1400 Hz
Übertragungsbereich /
frequency response
2200 Hz – 24 kHz
Belastbarkeit / p
ower handling
(nominal/max)
70 / 110 Watt / Watts
Außendurchmesser / o
uter diameter
Einbaudurchmesser / m
ounting diameter
Einbautiefe / m
ounting depth
54 mm / 2.13
48mm / 1.89
22 mm / 0.87