Ø 307 max.
Ø 281.5 max.
Ø 326.5 max
(on angles)
+
Red dot
13
124.5 max. 2 x screw button
terminals
8 x Ø 6.5 Holes eq. spaced
on Ø 300 and on Ø 308
Ø 173 max.

4500 4510

TYPICAL CHARACTERISTICS
Rated impedance Z 6 8
Reference efficiency (1 W@1 m) - 96 96 dB SPL
Usable frequency range 1- 40-2000 40–2000 Hz
Power handling capacity 2(AES) - 300 300 W
Max Sound Pressure Level 3SPLmax 117 117 dB SPL
Min. impedance modulus Zmin 4.8 @ 260Hz 6.2 @ 250Hz
Voice-coil inductance 4@ 1 kHz Le1k 0.81 1.08 mH
@ 10 kHz Le10k 0.35 0.46 mH
Bl product Bl 14.2 15.1 N/A
Moving mass Mms 0.055 0.054 Kg
THIELE-SMALL PARAMETERS: TYPICAL (QC LIMITS)
Resonance frequency 5Fs42 (±5) 42 (±5) Hz
DCresistance 6Re4.2 (±0.4) 5.5 (±0.5)
Mechanical quality factor Qms 3.2 3.2 1
Electrical quality factor Qes 0.30 0.34 1
Total quality factor Qts 0.28 0.31 1
Mechanical suspension compliance Cms 265 265 10-6 m/N
Effective piston area Sd0.0539 0.0539 m2
Equivalent Casair load Vas 0.108 0.108 m3
Max.linear excursion Xmax ± 6.0 ± 6.0 mm
Linear displacement volume Vd0.323 0.323 10-3 m3
Half-space efficiency 2.5 2.3 %
Unity load volume Vas Qts281010
-3m3
ABSOLUTE MAXIMUMRATINGS
Short term max. input voltage 7Vmax 80 100 V
Max. excursion before damage Xdam ±12 ±12 mm
Ambient operating temperature –10 to +50 °C
Storage temperature 8–20 to +70 °C
Environmental conditions 9Outdoor
APPLICATION INFORMATION
Air volume occupied by the driver 10 2.1 2.1 10-3 m3
Speaker net mass 6.4 6.4 Kg
Recommended reflex box Vb/Fb45 / 52 45 / 48 L / Hz
Electrical polarity A positive voltage applied on the red
terminal produces forward cone motion.
PHYSICAL CHARACTERISTICS
PHL Audio S.A. provides these specifications as representative of current production after conditioning. Because of our continuous research, they are subject to change without notice.
SPECIFICATION NOTES
Note 1: Allowing for energy response, excursion
capability, Power spectrum, and -3dB low
freq. roll-off for standard reflex tuning.
Note 2: Established at 20°C ambient temp, according to
AES2-1984 standard using IEC268-1 simulated
programme signal and a 50 liter Bass-Reflex test
enclosure tuned at 53Hz.
Note 3: Established at 1m on axis of the loudspeaker mounted
in test enclosure, when driven at full AES Power
Handling Capacity, including 4dB of thermal
compression loss.
Note 4: Measured at 20 mA in free air.
Note 5: Measured at 20 mA and 20°C ambient temp.
in free air conditions, after full run and rest.
Note 6: Measured at 20°C ambient temp.
QC limits are ±10%
Note 7: Stated in RMS voltage according to IEC 268-5.
Note 8: Includes shipping conditions. The lower limit prevents
from demagnetization.
Note 9: Our products are classified in three categories :
Indoor, Outdoor, and Outdoor
for permanent
outdoor use or severe conditions.
Note 10: Calculated for front mounting on to a 18 mm thick
board.
461, rue des chênes Z.A
77590 CHARTRETTES
FRANCE
Tél : 33 01 64 81 29 80
Fax :33 01 60 69 10 28
e-mail : phlaudio@phlaudio.com
http: //www.phlaudio.com
4500 4510

12” Bass Midrange Drivers