Transcript
PHL Audio 7221Nd 18 inches bass driver Nominal Diameter Rated Impedance Reference efficiency (1W @ 1m) Power Handling Capacity SPL max (continuous) Usable frequency range Speaker net mass
46 cm / 18 '' 8Ω 96.5 dB SPL 1000 W AES 124 dB SPL 25 - 800 Hz 7.4 kg
Architecture highlights : - Natural convection Intercooling system for noiseless sound reproduction - Neodymium magnet system with symmetric BL(x) and Le(x) characteristics - Both sides coated curvilinear cone (Tropical withstanding) - Heavy duty long excursion suspension with linear behavior for large signal
Motor architecture
Mounting information
Voice coil diameter
mm
101
Air volume occupied by the driver
Voice coil length
mm
25
Speaker net mass
Air gap height
mm
10
Baffle cut-out diameter (front mounting)
Rated impedance
Z
W
Half space sensitivity (1W@1m)
-
dB SPL
96.5
Hz
25 - 800
8
422.0 8x M6
Bolt circle diameter
mm
454.0
Max overall dimension (on ears)
mm
476.0
Max overall dimension (out of ears)
mm
457.0
Flange height
mm
15.0
Max magnet diameter
mm
140.0
Usable freq. range Power handling capacity (AES)
-
W
1000
Max depth (front mounting)
Max Sound Pressure Level
SPLmax
dB SPL
124
Recommended reflex box
Min. impedance modulus
Zmin
W@Hz
6.6@190
mH
1.686 0.729
Voice-coil inductance @ 1kHz Voice-coil inductance @ 10kHz
Le10k
mH
BL product
BL
N/A
28.0
Moving mass
Mms
kg
0.217
Resonance frequency
Fs
Hz
34 (±5)
DC Resistance
Re
W
5.2 (±0.5)
Mechanical quality factor
Qms
1
5.79
Electrical quality factor
Qes
1
0.31
Total quality factor
Qts
1
0.29
Suspension compliance
Cms
Effective piston area
Sd
Equivalent Cas air load
Electrical connection
Thiele-Small parameters
-6
10 .m/N
100
2
0.1250
Vas
m3
0.2210
Max linear excursion
Xmax
mm
Linear displacement volume
Vd
Reference efficiency
h0
m
-3
10 .m
1.2504
3
18.8
% 2
Unity load volume
± 10.0 3
Vas.Qts
-3
10 .m
2.7
Absolute maximum ratings Short term max. input voltage
Vmax
V
180
Max.excursion before damage
Xdam
mm
21.0
Ambient operating temperature
Ta
°C
-10 to +50
°C
-20 to +70
Storage temperature Environemental withstanding
7.4
-
-
Le1k
6.2
kg mm
Bolt number & Metric diameter
Typical characteristics
10-3.m 3
Tropical
深圳市庄家贸易有限公司, 深圳市龙岗区爱南路389号一楼, +86-136.8685.1212,
[email protected] PHL Audio S.A.S, 461 rue des Chênes, 77590 Chartrettes, France, +33-1648.12980, www.phlaudio.com
mm
185.0
Lts / Hz
200L / 33Hz
Ø4 mm Push buttons
