Infinity Alpha Series

July 7th, 2003 | by Doug MacLean


Specs

Test System:

Receiver:

Technics SF-DX6 home theater receiver  (low end tests)
Harman Kardon AVR-525 (high end tests)
Onyko LS-V500c

DVD Player:

Toshiba SD2109

Decoder:

Technics SHA500D

 

Infinity Alpha Specifications

 

Alpha 40 Main Speakers

 

Frequency Response (±3dB):

45Hz — 22kHz

Recommended Power Amplifier Range:

10 — 150 watts

Sensitivity (2.83V @ 1m):

91dB

Nominal Impedance:

8 ohms

Crossover Frequency:

500Hz, 3,000Hz; 24dB/octave

Low-Frequency Driver:

Dual 6-1/2" (165mm) CMMD™

Midrange Driver:

5-1/4" (130mm) CMMD™

High-Frequency Driver:

1" (25mm) CMMD™

Dimensions
(H x W x D):

35-7/16" x 8-11/16" x 12-5/8" (90.0cm x 22.0cm x 32.0cm)

Weight:

44 lb (23.5kg)

 

Alpha 25es Surround Speakers

 

Frequency Response (±3dB):

60Hz — 22kHz

Recommended Power Amplifier Range:

10 — 125 watts

Sensitivity:

87dB

Nominal Impedance:

8 ohms

Crossover Frequency:

2,500Hz; 24dB/octave

Low-Frequency Driver:

Two 5-1/4" (130mm) CMMD™

High-Frequency Driver:

Two 1" (25mm) CMMD™

Dimensions
(H x W x D):

13-3/4" x 14" x 7-1/2"
(35.0cm x 36.0cm x 19.0cm)

Weight:

18 lb (8.2kg)

 

Alpha 37 c Center Speaker

 

Frequency Response (±3dB):

45Hz — 22kHz

Recommended Power Amplifier Range:

10 — 150 watts

Sensitivity (2.83V @ 1m):

91dB

Impedance:

8 ohms

Crossover Frequency(ies):

500Hz, 3,000Hz; 24dB/octave

Low-Frequency Driver:

Dual 6 1/2" (165mm) CMMD™

Midrange Driver:

4" (100mm) CMMD™

High-Frequency Driver:

1" (25mm) CMMD™

Dimensions
(H x W x D):

9" x 23" x 12-1/2"
(22.9cm x 58.4cm x 31.8cm)

Weight:

32 lb (14.6kg)

 

Alpha 1200s Sub Woofer

 

Frequency Response (±3dB):

28Hz — 150Hz

Internal Subwoofer Amplifier Power:

500 watts with Bass Optimization System

Crossover Frequency(ies):

50Hz — 150Hz, continuously variable;
24dB/octave

Low-Frequency Driver:

12" (305mm) CMMD™

Dimensions
(H x W x D):

17-1/2" x 17-1/4" x 18-1/4"
(44.5cm x 43.8cm x 46.4cm)

Weight:

45 lb (20.5kg)

 

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