Specifications

Specifications

(Unless otherwise noted, all specifi cations are for both LSR4328P and LSR4326P models)

System

 

Frequency Response (+/- 1.5 dB):

50 Hz – 20 kHz (LSR4328P)

 

55 Hz – 20 kHz (LSR4326P)

Enclosure Resonance Frequency:

41 Hz (LSR4328P)

 

52 Hz (LSR4326P)

Low Frequency Extension:

User controls set to default

-3 dB:

43 Hz – 22 kHz (LSR4328P)

 

47 Hz – 22 kHz (LSR4326P)

-10 dB:

35 Hz – 32 kHz (LSR4328P)

 

39 Hz – 32 kHz (LSR4326P)

Low-High Frequency Crossover:

Digital Crossover: 2.6k 4th order BW LF/ 4th order

 

BW HF (LSR4328P)

 

Digital Crossover: 2.8k 4th order BW LF/ 2nd order

Distortion, 96 dB SPL,

BW HF (LSR4326P)

 

1 m: Mid-High Frequency

 

(200 Hz - 20 kHz)

 

2nd Harmonic:

<0.4%

3rd Harmonic:

<0.3%

Low Frequency (<200 Hz)

 

2nd Harmonic:

<1.5% (LSR4328P)

 

<0.8% (LSR4326P)

3rd Harmonic:

<0.7% (LSR4328P)

 

<1.4% (LSR4326P)

Maximum Continuous SPL :

106 dB / 1m

Maximum Peak SPL:

112 dB / 1m

Maximum Peak SPL Per Pair:

118 dB SPL / 1m

Low Frequency Model:

438H (LSR4328P)

 

436H (LSR4326P)

Diameter:

203 mm (8 in) (LSR4328P)

 

159 mm (6.25 in) (LSR4326P)

Voice Coil:

2” (51 mm) (LSR4328P)

 

1.5” (38 mm) (LSR4326P)

Magnet Type:

Neodymium

Cone Type:

Polymer coated paper fi ber

Impedance:

8 ohms

High Frequency Model:

431G

Diameter:

25 mm (1 in) diaphragm

Voice Coil:

1” (25 mm)

Magnet Type:

Neodymium, shielded with integral heat sink

Diaphragm Type:

Silk Dome

Other Features:

Elliptical oblate spheroidal waveguide

Impedance:

4 ohms

Amplifier

 

Low Frequency Topology:

Class A-B Monolithic, Balanced

Sine Wave Power Rating:

150 watts (<0.1% THD into rated impedance)

THD + N, ½ Power:

<0.02%

High Frequency Topology:

Class A-B Monolithic

Sine Wave Power Rating:

70 watts (<0.1% THD into rated impedance)

THD + N, ½ Power:

<0.02%

AC Input Voltage:

115 VAC, 60 Hz (230VAC, 50 Hz – models LSR4328P/230

 

and LSR4326P/230)

AC Input Connector:

IEC

Self-Generated Noise Level:

<13 dBA / 1 m tonal artifact-free noise fl oor

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JBL Professional LSR4326P, LSR4328P owner manual Specifications, System