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T12
THUNDER Series Pro Loudspeaker System
Technical Specification
System:
System components:
Frequency response(-3dB):
Frequency response(-10dB):
Sensitivity(1W@1m):
Max. SPL(1m): 115dB/121dB(PEAK)
Power:
Rated impedance:
Dispersion(H×V):
Cabinet:
Mounting accessories:
Handle: One side, one rear
Painting:
Connector:
Cabinet dimension:
(W
D
Package dimension:
(W
D
Net weight:
Gross weight:
Optional accessory: U-Bracket
Frequency response curve & Impedance curve
120
110
100
90
80
70
20
50
6
12"Two Way Full Range
Passive Speaker
1×12 LF,
"
1×1.7 HF
"
1
50Hz-19kHz
45Hz-20kHz
2
95dB
3
4
250W
(RMS)
500W
(MUSIC)
1000W
(PEAK)
8 Ohms
90
60
Polypropylene injection moulding
8× M8 hanging point,
SMART pole mount system
Powered coated grill
NL4
2
368
349
630mm
H)
(14.5
13.7
24.8in)
420
410
720mm
(16.5
16.1
28.3in)
H)
20.0kg(44.0 lb.)
22.0kg(48.4 lb.)
Frequency response curve
Impedance curve
100
200
Frequency (Hz)
Speaker Testing Method
1. Frequency Response
Use Pink noise to test the speaker in the anechoic chamber,
adjust the level to make the speaker work at its rated impedance
and set the output
1m away from the speaker.
2. Sensitivity
Use full range Pink noise which has been modified using
an EQ
curve to test the
increasing the
impedance and set the
sensitivity 1m away from the speaker.
3. MAX.SPL
Use full range Pink noise which has been modified using
an EQ
curve to test the
i n c r e a s e t h e
maximum power output level, then test the SPL1m away
from the speaker.
4. Rated Power
Use Pink noise to the IEC#268-5 standard to test the speaker,
increase the signal for a continuous period of100 hours,
the rated power is the power when the speaker will show
no visible or measurable damage.
500
1k
2k
TECHNICAL SPECIFICATION
power
at 1W, then test the frequency response
speaker in the anechoic chamber,
signal to make the speaker
power output at 1W, then test
speaker in the anechoic chamber ,
s i g n a l t o m a k e t h e s p e a k e r
5k
10k
20k
work at its rated
the
w o r k a t i t s
80
50
30
20
12
7
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