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13
Owner’s Manual
Owner’s Manual
Input Types
Input Impedance: 20 kΩ balanced bridging
10 kΩ unbalanced
Input Type: Balanced Differential
(XLR and 1/4" TRS)
Input Protection: RFI and Level Protected
Maximum Input Level: +20 dBu
AC Power Requirements
AC Connector: 3-pin IEC 250 VAC, 16 A male
100 – 120 VAC, 50 – 60 Hz, 150W
220 – 240 VAC, 50 – 60 Hz, 150W
Fuse: 115 VAC: T 2.5 AL / 250 V
230 VAC: T 1.25 AL / 250 V
Auto On/Off Standby Mode <0.5 Watts
Physical Dimensions and Weight
Enclosure:
All-wood MDF construction
and internal cabinet bracing
Damping: Open cell adiabatic “foam fill”
acoustic batting
Finish: Black wood grain vinyl and
black paint
XR624:
Dimensions:
Height: 13.1 in / 333 mm
Width: 8.6 in / 218 mm
Depth: 12.6 in / 320 mm
Weight: 23.4 lb / 10.6 kg
XR824:
Dimensions:
Height: 16.8 in / 427 mm
Width: 10.8 in / 274 mm
Depth: 13.8 in / 351 mm
Weight: 34.6 lb / 15.7 kg
Disclaimer
LOUD Technologies is always striving to improve our products
by incorporating new and improved materials, components and
manufacturing methods. Therefore, we reserve the right to
change these specifications at any time without notice.
Appendix B: Technical
Information
XR Series Specifications
Acoustic Performance
Frequency Response (–3 dB):
45 Hz – 22 kHz [XR624]
36 Hz – 22 kHz [XR824]
Sound Pressure Level @ 1 meter, +4 dBu into Balanced Input:
107 dB SPL @ 1m [XR624]
109 dB SPL @ 1m [XR824]
Maximum SPL Per Pair: 113 dB SPL @ 1m [XR624]
115 dB SPL @ 1m [XR824]
Transducers
Low Frequency: 6.5 in / 165 mm Kevlar®
woofer [XR624]
8.0 in / 203 mm Kevlar®
woofer [XR824]
High Frequency: 1 in / 25 mm black anodized
aluminum tweeter
Amplifiers
Low Frequency Power: 100 Watts
High Frequency Power: 60 Watts
Type: Class D power amplifier
Electronic Crossover
Crossover Type: Linkwitz-Riley, 24 dB/octave
Crossover Frequency: 2.7 kHz [XR624]
2.2 kHz [XR824]
Equalization
Low Frequency EQ: -3 dB @ 45 Hz [XR624]
-3 dB @ 36 Hz [XR824]
-3 dB @ 80 Hz
High Frequency EQ: ±2 dB @ 10 kHz, shelving
Acoustic Space Filter: Whole: Flat
Half: -2 dB @ 100 Hz
Quarter: -4 dB @ 100 Hz
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