PHL 4050/E30
12" Low Midrange Drivers, High Sound Pressure Level, High Sounding Quality
CA $510.43
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Applications
- Chosen preferably to types SP4550/4560 when higher AES Power handling capacity is requested
- These high SPL high sounding quality low-midrange drivers are ideal for sound reinforcement applications within the 60Hz to 2.0kHz frequency band , where a pair can be used by paralleling two SP4060 for long throw systems of exceptional sound accuracy
- Maximum X-over frequency is 1.5Khz in this case
- Optimum Bass-Reflex enclosure is 25L to maximum 40L tuned from 53Hz to 60Hz

Design Concept
Deflection Controlled Diaphram
- Optimized for dynamic damping
- Deflection Controlled Diaphragm technology consists in optimizing the shape and material of the diaphragm so that it works as a mechanical transmission line, to avoid breaking modes as well as mechanical threshold which destroy sound quality
- It is this leading edge technology which offers substantial sonic advantages
- Those advantages include sound coherency, fast transients, stable sound imaging, high sensitivity, wide frequency range and reduced directivity pattern

Vented Compact Magnet System
- Carefully optimized to obtain maximum transducing efficiency while avoiding unlinear behaviour such as coil inductance variation with position, flux modulation, harmonic distortion, rest position offset, air compression and off-axis voice-coil pushing
- Design incorporates a T-shaped and vented pole piece as well as a flux stabilizing ring
- It also takes into consideration demagnetization and cold temperatures

Intercooler System
- Entirely integrated into the loudspeaker itself, the Intercooler System extracts the heat produced by the Joule effect in the voice-coil
- It does so via an air flow directed through the heatsink rims of the basket by the motion of the dust-cap and the spider
- The gain brought about by this technology is over 20% of extra power, so for example, a 3" coil according to this design has the same power handling capacity as a classical 4" one

Features
- Power handling capacity - 350W ABS
- Reference Efficiency (1W @ 1m) - 99 dB SPL
- SPL max (continuous) - 120 dB SPL
- Usable frequency range - 60-3000 Hz
- Environmental withstanding - Outdoor

Architectural Specifications
Nominal Diameter - 300mm
Frame - High tensile alloy pressure die-cast basket with patented Intercooler System
Magnet System - 3" highly energized, heat extracting design with vented pole piece flux stabilizing ring
Voice Coil - High-temperature stabilized copper-clad aluminium ribbon wound on vented high-strength glass polyimide
Cone Assembly - High-strength cellulose fiber cone impregnated and coated on both sides with damped resins, fitted with fabric dome, high-speed flat, damped surround and acoustically damped rear cavity

Speaker Mass - 8.70kg

Typical Characteristics
    4050 4060  
Rated Impedence    Z    8 16 Ω
Reference Efficiency (1W @ 1m) - 99 99 dB SPL
Usable Frequency Range 1 - 60-3000 60-3000 Hz
Power Handling Capacity 2 (AES) - 350 350 W
Max Sound Pressure Level 3 SPL max 120 120 dB SPL
Min. Impedence modulus min 6.9 @ 430Hz 15.4 @ 420Hz Ω
Voice-coil Inductance @ 1 kHz e1k 1.12 2.52 mH
                                   @ 10 kHz e10k 0.51 1.16 mH
BI product BI 20.9 28.8 N/A
Moving Mass ms 0.051 0.051 Kg
 
Thiele-Small Parameters : Typical (OC Limits)
    1120 1130  
Resonance Frequency 5 s 49 (±6) 49 (±6) Hz
DC resistance 6 e 5.8 (±0.6) 12.2 (±1.2) Ω
Mechanical Quality Factor ms 3.3 3.3 1
Electrical Quality Factor es 0.21 0.23 1
Total Quality Factor ts 0.20 0.22 1
Mechanical Suspension Compliance ms 205 205 10-6 m/N
Effective Piston Area d 0.054 0.054 m2
Equivalent C as Air Load as 0.084 0.084 m3
Max. Linear Excursion max ±4.5 ±4.5 mm
Linear Displacement Volume d 0.243 0.243 103 m3
Half-space Efficiency   4.6 4.1 %
Unity Load Volume VasQts2 3.2 3.9 103 m3
 
Absolute Maximum Ratings
    4050 4060  
Short term max. input voltage 7  max 110 150 V
Max. Excursion Before Damage dam 12 12 mm
Ambient Operating Temperature   -10 to +50 °C
Storage Temperature 8   -20 to +70 °C
Environmental Conditions   Outdoor  
 
Application Information
    4050 4060  
Air Volume Occupied by the Driver 10   2.6 2.6 103 m3
Speaker Net Mass   8.7 8.7 Kg
Recommended Reflex Box   Vb/Fb  40 / 63 L/Hz
Electrical Polarity A positive voltage applied on the red terminal produces forward cone motion
 


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 150 liter Bass-Reflex test enclosure tuned at 40Hz.
- 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
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