Bose L1 Model II TECHNICAL DATA
L1® Model II
portable line array system
Key Features
• High-performing, powered, portable two-way loudspeaker system with
a 195° H x 0° V nominal dispersion designed for the production and
reproduction of live music, music playback, speeches and A/V sound
reproduction
• 24-driver articulated line array loudspeaker technology produces
wide, uniform sound coverage throughout the entire listening area—
even off to the extreme sides
• Consistent front-to-back coverage, 24 drivers mounted in a vertical
line array produce little drop in sound pressure level per doubling in
distance than a conventional point source
• Retractable folding leg mechanism for easy transport
• Lightweight, interlocking components
• Expandable bass design supports the use of multiple B1 bass modules
or a single B2 bass module
• Digital Ethercon port provides single-wire connectivity for the T1
ToneMatch audio engine
Product Overview
The L1 Model II is our most advanced system for audiences up 500, featuring a 24-speaker articulated line array to provide our best tonal
balance and coverage, and highest output.
TECHNICAL DATA SHEET
Technical Specifications
System Performance
System Type Self powered, two-way
Frequency Response (+/-3 dB)
Frequency Range (-10 dB)
Nominal Dispersion 195° H x 0° V
Maximum SPL @ 1 m
Crossover Frequency 200 Hz (24 dB / octave)
Amplification
System Power Rating 500 W
Low-Frequency Amplifier 250 W
High-Frequency Amplifier 250 W
Distortion at Rated Power 0.1 % Max (30 Hz - 15 kHz)
System Limiter Dynamic limiter
Overload Protection Fuse/MOV/NTC/PTC
Power Indicator Blue LED: system on, Red LED: fault
Transducers
Driver Compliment Cylindrical Radiator® loudspeakers: Twenty-four (24) 2.25" (57 mm) HF drivers
Channel
Signal Indicators Analog signal/clip LED: Green: signal present, Yellow: -3 dB below clip, Red: clip (limiter active)
Trim +14 dB @ max
Input 1/4" - TS unbalanced or TRS balanced
Channel Gain (1/4" input) -50 dB to +28 dB (line)
Maximum Input Signal +24 dBu (balanced)
Input Impedance 10 kΩ +/- 10 % (unbalanced)
Additional Connections
Bass Module out (for B1 or B2 only) NL4 connector (all pins wired, two for audio, two for auto sensing). Bass output signal for driving up to two B1 bass modules (one B1 bass
Bass Line Output Post-DSP bass signal output. Accepts a 1/4" TRS cable. Supplies low frequency signal for connecting a PackLite® power amplifier or powered
ToneMatch Port CAT5 Ethernet cable with RJ45 connection providing digital audio and power connection for the optional T1 ToneMatch audio engine
AC Mains IEC connector
1
1
2
40 Hz - 12 kHz
32 Hz - 14 kHz
115 dB SPL (121 dB SPL peak)
B1 bass module: Two (2) 5.25" (133 mm) LF drivers (8 Ω)
B2 bass module: Two (2) 10" (254 mm) LF drivers (4 Ω)
module = 8 Ω) (two B1 bass modules = 4 Ω) or one B2 bass module (4 Ω)
sub woofer.
Bose Professional Systems Division
OF 8
1
pro.Bose.com
L1® Model II
portable line array system
Physical
Enclosure Power Stand: Polypropylene cover with cast aluminum legs and steel chassis base
Grille Powder-coated perforated steel
Dimensions Assembled height: 84.0" (2134 mm)
Net Weight Power Stand: 23.7 lb (10.7 kg)
Shipping Weight Power Stand: 32 lb (14.5 kg)
Voltages
USA/Canada 100-120 V 50 / 60 Hz 500 W
Europe 220-240 V 50 / 60 Hz 500 W
Footnotes:
1 Frequency response and range measured on-axis with recommended active EQ in an anechoic environment.
2 Maximum SPL calculated from sensitivity and power handling specifications, exclusive of power compression.
Cylindrical Radiator: Aluminum enclosuure with ABS baffle
Cylindrical Radiators (pair): 33.7 lb (15.3 kg)
B1 bass module: 26.6 lb (12.1 kg)
B2 bass module: 45 lb (20.41 kg)
Cylindrical Radiators (pair): 41 lb (18.6 kg)
B1 bass module: 30 lb (13.6 kg)
B2 bass module: 52.2 lb (23.67 kg)
TECHNICAL DATA SHEET
Bose Professional Systems Division
OF 8
2
pro.Bose.com
L1® Model II
portable line array system
Directivity Index and Q
TECHNICAL DATA SHEET
30
25
20
15
10
Directivity Index (dB)
5
0
20 100 1000 10000 20000
Frequency (Hz)
Beamwidth
360
100
Angle (degrees)
10
20 100 1000 10000 20000
Horizontal
Vertical
Frequency (Hz)
1000
100
Q
10
1
L1 Model II
L1 Model II
On-Axis Response
140
130
120
110
100
90
Level (Max- SPL/1V @ 1m)
80
20 100 1000 10000 20000
Frequency (Hz)
L1 Model II
Bose Professional Systems Division
OF 8
3
pro.Bose.com
Loading...