Infinity Alpha speakers

Content:

1. Introduction, why these old speakers?
2. Overview of the Infinity Alpha System
3. Infinity Alpha 50, main speakers
4. Infinity Alpha 20, rear speakers
5. Infinity Alpha Center, center speaker
6. The crossovers and update of components
7. How to replace bad tweeters
8. The new tweeters

Note:
I take no responsibility or liability for what are written here, you use the information at your own risk!

5: Infinity Alpha Center, center speaker

The Alpha Center has twin 5" bass / mid speaker elements and a 1" tweeter.

Infinity Alpha Center specifications:
Manufacturer: Harman
Year: 2002
Power rating: 20 watts
Nominal Impedance: 8 ohms
Bass reflex: vented box
Crossover: 2-way
Crossover Frequencies: 3000 Hz
Sensitivity: 89 dB / 1W / 1m
Frequency response: 55 Hz - 22 kHz

Drivers,
Tweeter, part number A1201A-L, 9747201:
25mm ceramic dome

Woofers, part number A1205C-C, 9747211:
133 mm ceramic

Dimensions W x D x H: 420 x 220 x 185 mm
Weight: 8 kg each speaker

Crossover drawing: