48
Specifi cations
System
Frequency Response (- 6 dB):
27 Hz – 250 Hz
Enclosure Resonance Frequency:
27 Hz
Low Frequency Extension:
-3 dB:
29 Hz
-10 dB:
24 Hz
Bass Management Crossover ON:
Digital Crossover - Selectable: 50 Hz, 80 Hz, 120 Hz - 4th order Linkwitz-Riley
Distortion, 96 dB SPL / 1M
Low Frequency
(<80 Hz)
2nd Harmonic:
<1.5%
3rd Harmonic:
<1.0%
Maximum Continuous SPL::
116 dB SPL / 1m
Maximum Peak SPL:
125 dB SPL / 1m (40 Hz - 80 Hz)
Low Frequency Model:
432G
Diameter:
300 mm (12 in.)
Voice Coil:
65 mm (2.5 in)
Magnet Type:
Neodymium self-shielded
Cone Type:
Polymer coated paper fi ber
Impedance:
2 ohms
Amplifi er
Topology:
Linear
Sine Wave Power Rating:
450 watts (<1% THD into rated impedance)
THD + N, ½ Power:
<0.08%
AC Input Voltage:
120 VAC, 60 Hz Model LSR4312SP; 230VAC, 50 Hz Model LSR4312SP/230
AC Input Voltage Operating Range
+/- 10%
AC Input Connector:
IEC
Self-Generated Noise Level:
<10 dBA / 1 m tonal artifact-free noise fl oor using analog input
1/8th Power Rating:
25 watts
Full Power Rating (100 hrs. IEC
pink noise, 6dB crest Factor):
200 watts
Wattage Rating:
AC at 1/8th power IEC Pink Noise 140 watts
Maximum Current:
AC at maximum power output (audio)
120V AC line 4.2A
230V AC line 2.1A
System Protection
Short-term peak limit circuit in DSP prevents amplifi er clipping
Long-term thermal protection circuit prevents system damage caused by overheating
Fuse Value:
8A, 250V AC Time Lag, Model LSR4312SP
4A, 250V AC Time Lag, Model LSR4312SP/230
Inputs /
Outputs
Analog
L,C,R, LS, RS, LFE Male XLR IN:
Sele4 dBu/-10 dBV input sensitivity; Input Impedance 10K ohms.
Positive voltage applied to XLR pin 2 produces outward woofer motion
L,C,R, LS, RS, LFE Female XLR OUT
XLR Balanced loop-through pin 2 hot
Left, Right ¼-in tip-ring-sleeve IN:
Balanced or unbalanced, Sele4 dBu/-10 dBV; Input impedance 10K. Positive voltage
applied to ¼” tip produces outward woofer motion
AD Converters:
96kHz, 24 Bit, 64x Over sampling
Calibrated Input Sensitivity,
Analog XLR & ¼”:
+4 dBu:
94 dB SPL / 1 m
-10 dBV:
94 dB SPL / 1 m
Summary of Contents for LSR4312SP
Page 1: ...LSR4312SP Linear Spatial Reference Powered Subwoofer Owner s Manual...
Page 2: ...ii...
Page 6: ...vi v...
Page 46: ...40 Appendix D System Block Diagram...
Page 47: ...41 Appendix D System Block Diagram...
Page 59: ...53 Notes...
Page 60: ...54 Notes...
