PSB ALPHA - Page 3

VI. SPECIFICATIONS
Alpha IIntro LLR AAlpha IIntro CCLR Alpha BB Alpha CC Alpha TT Alpha SS
Compact MMonitor Center/Monitor Compact MMonitor Center/Monitor Tower Surround
FREQUENCY RRANGE
(Anechoic Chamber)
Response
On AAxis @@ 00º ±± 33dB 100-221,000Hz 90-221,000Hz 65-221,000Hz 62-221,000Hz 55-221,000Hz 85-221,000Hz
Off Axis @ 30º ± 3dB 100-10,000Hz 90-10,000Hz 65-10,000Hz 62-10,000Hz 55-10,000hz 85-10,000Hz
LF CCutoff ––10dB 90Hz 80Hz 55Hz 52Hz 45Hz 75Hz
SENSITIVITY
(1W (2.83V) @ 1m, IEC-filtered Pink Noise, C-weighted)
Anechoic Chamber 85dB 86dB 89dB 90dB 89dB 86dB
Typical LListening RRoom 87dB 88dB 91dB 92dB 91dB 88dB
IMPEDANCE
Nominal 6 OOhms 8 OOhms 6 OOhms 8 OOhms 8 OOhms 8 OOhms
Minimum 4 Ohms 6 Ohms 4 Ohms 6 Ohms 6 Ohms 6 Ohms
INPUT PPOWER
(RMS, Clipping < 10% Time)
Recommended 15-880 WWatts 115-880 WWatts 110-990 WWatts 10-1120 WWatts 15-1120 WWatts 15-880 WWatts
Program 60 Watts 60 Watts 60 Watts 60 Watts 60 Watts 60 Watts
ACOUSTIC DDESIGN
Tweeter
(Nominal)
¾” ((19mm) ¾” ((19mm) ¾” ((19mm) ¾” ((19mm) ¾” ((19mm) 2 xx ¾¾” ((19mm)
Aluminum Dome with Aluminum Dome with Aluminum Dome with Aluminum Dome with Aluminum Dome with Aluminum Dome with
Ferrofluid Ferrofluid Ferrofluid Ferrofluid Ferrofluid Ferrofluid
Woofer
(Nominal)
3½” ((90mm) 22 xx 33½” ((90mm) 55¼” ((130mm) 2 xx 55¼” ((130mm) 2 xx 55¼” ((130mm) 2 xx 33½” ((90mm)
Polypropylene Cone Polypropylene Cone Polypropylene Cone Polypropylene Cone Polypropylene Cone Polypropylene Cone
Rubber Surround Rubber Surround Rubber Surround Rubber Surround Rubber Surround Rubber Surround
Crossover 3,000Hz,
B3
3,000Hz,
B3
3,000Hz,
B3
3,000Hz,
B3
3,000Hz,
B3
3,000Hz,
B3
Internal VVolume 00.07 ccu fft ((2.0 lliter) 0.10 ccu fft ((2.8 lliter) 0.29 ccu fft ((8.0 lliter) 0.46 ccu fft ((12.8 lliter) 1.19 ccu fft ((33.4 lliter) 0.10 ccu fft ((2.8 lliter)
Design TType Acoustic SSuspension AAcoustic SSuspension Bass RReflex Bass RReflex Bass RReflex Acoustic SSuspension
Sealed Sealed 1½” (40mm) Rear Port 2” (50mm) Rear Port 2¾” (70mm) Rear Port Bipole
Video SShielded Video SShielded Video SShielded Video SShielded Video SShielded Video SShielded
SIZE
(W x H x D)
4¼” xx 66¾” xx 66¼” 99¾” xx 44¼” xx 66¼” 66½” xx 111¼” xx 99¼” 17¼ xx 66½” xx 99¼” 6½” xx 335¼” xx 112” 9¼” xx 66 ¾” xx 44¾”
108mm x 171mm x 159mm 248mm x 108mm x 159mm 165mm x 286mm x 235mm 438mm x 165mm x 235mm 165mm x 895mm x 305mm 235mm x 171mm x 121mm
WEIGHT
Net 3.3 llb ((1.5kg)/each 4.8lb ((2.2kg)/each 88.8lb ((4.0 kkg)/each 15.9lb ((7.2 kkg)/each 29.0lb ((13.2 kkg)/each 4.9lb ((2.2kg)/each
Shipping 7.6 lb (3.5kg)/pair 5.6 lb (2.6kg)/each 21.4 lb (9.7kg)/pair 16.6lb (7.5kg)/each 35.0lb (15.9kg)/each 10.8lb (4.9kg)/pair
FINISH Black oor WWhite TTextured Black oor WWhite TTextured Black oor LLight CCherry Black oor LLight CCherry Black oor LLight CCherry Black oor WWhite TTextured
Woodgrained Woodgrained Woodgrained
FEATURES 55-wway GGold-pplated BBinding PPosts, 55-wway GGold-pplated BBinding PPosts, 5-wway GGold-pplated BBinding PPosts, 5-wway GGold-pplated BBinding PPosts, 5-wway GGold-pplated BBinding PPosts, 5-wway GGold-pplated BBinding PPosts,
Perforated AAluminum GGrille, PPerforated AAluminum GGrille, PPerforated SSteel GGrille, Perforated SSteel GGrille, Perforated SSteel GGrille, Perforated AAluminum GGrilles,
Structural PPlastic FFront BBaffle, SStructural PPlastic FFront BBaffle, Structural PPlastic FFront BBaffle, Structural PPlastic FFront BBaffle, Structural PPlastic FFront BBaffle, Structural PPlastic FFront BBaffles,
½” ((13mm) MMDF SSleeve, ½½” ((13mm) MMDF SSleeve, 55/8” ((15mm) MMDF ssleeve, 5/8” ((15mm) MMDF ssleeve, ¾’ ((19mm) MMDF SSleeve, ½” ((13mm) MMDF SSleeve,
Structural PPlastic RRear BBaffle SStructural PPlastic RRear BBaffle SStructural PPlastic RRear BBaffle Strutural PPlastic RRear BBaffle wwith Adjustable SSpikes KKeyhole WWall MMounting PPlate
with KKeyhole SSlot && ¼¼-220 with HHorizontal/Vertical KKeyhole wwith KKeyhole SSlot && 22 RRear ¼¼-220 Horizontal/Vertical KKeyhole SSlots Rubber LLevelers Rubber BBumpers
Brass IInsert, Slots && ¼¼-220 BBrass IInserts, Brass IInserts, & 22 ppair RRear ¼¼-220 BBrass IInserts,
Wall oor BBottom RRubber BBumpers, Wall oor BBottom RRubber BBumpers, Wall oor BBottom RRubber BBumpers Wall oor BBottom RRubber BBumpers
STANDS Optional AAlpha IIntro SStands Optional AAlpha IIntro SStands Optional SSP-225i Stands Optional SSP-117i Stands
All specifications are subject to change without notice. PSB
®
is a trademark of Lenbrook, Inc. used under license by PSB Speakers, a division of Lenbrook Industries Limited. © 2000 PSB Speakers. All rights reserved.