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VI. SPECIFICATIONS
Alpha LR1
Compact Monitor
FREQUENCY RANGE
(Anechoic Chamber)
Response
On Axis @ 0
0
±
3dB
90-21,000Hz
Off Axis
@
30°
±
1.5dB 90-10,000Hz
LF cutoff - 10dB
85Hz
Alpha CLR1
CenterlMonitor
90-21,000Hz
90-10,000Hz
78Hz
Alpha B1
Compact Monitor
65-21,000Hz
65-10,000Hz
55Hz
SENSITIVITY
(1W (2.83V) @ 1m, IEC-filtered Pink Noise, C-weighted)
Anechoic Chamber
85dB
86dB
89dB
Typical Listening Room
87dB
88dB
91dB
IMPEDANCE
Nominal
60hms
8 Ohms
60hms
Minimum
4 Ohms
6 Ohms
4 Ohms
INPUT POWER
(RMS, Clipping
<
10% Time)
Recommended
15-80 Watts
15-80 Watts
10-90 Watts
Program
60 Watts
60 Watts
60 Watts
ACOUSTIC DESIGN
Tweeter (Nominal)
%" (19mm)
%" (19mm)
%" (19mm)
Aluminum Dome
Aluminum Dome
Aluminum Dome
with Ferrofluid
with Ferrofluid
with Ferrofluid
Woofer (Nominal)
3
'j,"
(90mm)
2 x 3
'I,"~
(90mm)
5 'I." (130mm)
Injection Molded Metalized
Injection Molded Metalized
Injection Molded Metalized
Polypropylene cone with
Polypropylene cone with
Polypropylene cone with
Rubber surround
Rubber surround
Rubber surround
Crossover
3,000Hz, B3
3,000Hz, B3
3,000Hz, B3
Internal Volume
0.07 cu ft (2.0 liters)
0.10 cu ft (2.8 liters)
0.29 cu ft (8.0 liters)
Design Type
Acoustic Suspension
Acoustic Suspension
Bass Reflex
Sealed
Sealed
1
';2"
(40mm) Rear Port
SIZE (W x H x D)
45/8" x 7 1/8" x 6 3/8"
101/8" x 4 5/8" x 6 3/8"
7" x 11 3/4" x 9 3/4"
118mm x 182mm x 162mm
257mm x 118mm x 162mm
178mm x 299mm x 247mm
WEIGHT
Net
Shipping
FINISH
FEATURES
4.11b (1.9kg)/each
8.81b (4.0kg)/pair
Black Ash, White Textured
or Dark Cherry
Video Shielded
5-way Gold Plated
Binding Posts
Aluminum Grille
Keyhole Slot
'1.-20 Brass Insert
Clear Rubber Bumpers
5.91b (2.7kg)/each
6.71b (3.0kg)/each
Black Ash, White Textured
or Dark Cherry
Video Shielded
5-way Gold Plated
Binding Posts
Aluminum Grille
HorizontalNertical
Keyhole Slots
'1.-20 Brass Insert
Clear Rubber Bumpers
10.21b (4.6kg)/each
22.4lb (1 0.2kg)/pair
Black Ash or Dark
Cherry
Video Shielded
5·way Gold Plated
Binding Posts
Aluminum Grille
Keyhole Slot
'1.-20 Brass Insert
Clear Rubber Bumpers
All specifications are subject to change without notice. PSB' is a trademark of Lenbrook Corp .. used under licence by PSB Speakers'. a division of Lenbrook
Industries Limited. ©2006 PSB Speakers. All rights reserved.
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