PHL Audio B20 manual 2420, Aes

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2420

8￿ 20 cm Bass Midrange Driver

 

 

2420

 

 

TYPICAL CHARACTERISTICS

 

 

 

 

 

Rated impedance

Z

8

 

 

Reference efficiency (1 W@1 m)

-

94

 

 

dB SPL

Usable frequency range 1

-

70-3000

 

Hz

Power handling capacity 2

(AES)

200

 

 

W

Max Sound Pressure Level 3

SPLmax

113

 

 

dB SPL

Min. impedance modulus

Zmin

5.6 @ 370Hz

Voice-coil inductance 4 @ 1 kHz

Le1k

0.85

 

 

mH

@ 10 kHz

Le10k

0.46

 

 

mH

Bl product

BL

12.9

 

 

N/A

Moving mass

Mms

0.025

 

 

Kg

THIELE-SMALL PARAMETERS : TYPICAL (QC LIMITS)

 

 

 

 

Resonance frequency 5

Fs

72(±10)

 

Hz

DC resistance 6

Re

5.4 (±0.6)

 

Mechanical quality factor

Qms

4.5

 

 

1

Electrical quality factor

Qes

0.37

 

 

1

Total quality factor

Qts

0.34

 

 

1

Mechanical suspension compliance

Cms

200

 

 

10 -6m/N

Effective piston area

Sd

0.0219

 

m 2

Equivalent Cas air load

Vas

0.0130

 

m 3

Max. linear excursion

Xmax

±5.0

 

 

mm

Linear displacement volume

Vd

0.110

 

 

10 -3m 3

Half-space efficiency

 

1.3

 

 

%

Unity load volume

Vas Qts2

1.5

 

 

10 -3m 3

ABSOLUTE MAXIMUM RATINGS

 

 

 

 

 

Short term max. input voltage 7

Vmax

80

 

 

V

Max. excursion before damage

Xdam

±10

 

 

mm

Ambient operating temperature

 

–10

to

+50

°C

Storage temperature 8

 

–20

to

+70

°C

Environmental conditions 9

 

Outdoor

 

 

APPLICATION INFORMATION

 

 

 

 

 

Air volume occupied by the driver 10

 

0.720

 

 

10 -3m 3

Speaker net mass

 

3.020

 

 

Kg

Recommended reflex box

Vb/Fb

15 / 70

 

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 15 liter Bass-Reflex test enclosure tuned at 70Hz.

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 Outdoorfor 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

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.

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Contents Professional Series Features2420 8 Ω ApplicationsAES 24202420

B20 specifications

The PHL Audio B20 is an impressive loudspeaker driver that combines exceptional audio performance with robust engineering, making it a favorite among audio professionals and enthusiasts alike. This driver is specifically designed for high-fidelity sound reproduction in various applications, including professional audio systems, home theater setups, and musical instrument amplification.

One of the standout features of the PHL Audio B20 is its remarkable frequency response. This driver is engineered to deliver a well-balanced sound across a wide frequency range, typically from 35 Hz to 3 kHz. This ensures that it accurately reproduces the deep lows typically favored by bass-heavy music genres, as well as the midrange frequencies that are crucial for vocals and musical instruments.

The construction of the B20 is another highlight of its design. It features a lightweight yet durable cone made from a combination of paper and synthetic materials. This unique composite allows for improved vibrational characteristics, resulting in reduced distortion and a clearer sound. Additionally, the cone's profile is optimized for efficient operation, helping to improve response times and overall audio clarity.

PHL Audio has implemented advanced technologies in the development of the B20. One notable innovation is the use of a high-temperature voice coil, which helps to prevent thermal compression, maintaining performance during prolonged periods of use. This is especially beneficial in live sound reinforcement and high-output professional settings where dissipating heat quickly is vital for maintaining audio fidelity.

The B20 is designed with an optimized magnetic structure that enhances its efficiency. The high-quality ferrite magnet used in this loudspeaker provides excellent sensitivity, enabling it to produce higher sound pressure levels with minimal input power. This characteristic makes it an ideal choice for applications where amplifier power may be limited, such as battery-operated systems.

The driver’s suspension system is also noteworthy, featuring a flexible surround that allows for greater cone movement without sacrificing control. This design feature permits greater excursion capabilities, which translates to more robust low-frequency performance and helps maintain linearity across its operational range.

In summary, the PHL Audio B20 is a versatile loudspeaker driver known for its impressive sound quality, durable build, and advanced technological features. Its wide frequency response, lightweight cone, innovative voice coil, and optimized magnetic structure make it a top choice for modern audio applications, appealing to both professional users and audiophiles seeking exceptional sound reproduction.