Owner's Manual

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 Hx 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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