Instruction/ maintenance manual of the product ALPHA 1200S Infinity
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® Owner’ s Guide • Infini ty Alpha 1200s P OWERED S UBWOOFER.
ii INFINITY ALPHA 1200s Read First! 1. Read Instruct ions. All the safety and oper ating instructions should be r ead befor e the product is operated. 2. Ret ain Instruct ions. T he safety and operating instructions should be r etained for futur e ref erence .
iii INFINITY ALPHA 1200 S ii Important Safety Pr ecautions 1 Unpacking the Subwoofer 1 Placement 2 Controls and Connections 3 Connections 4 Operation 5 Bass Optimization System™ 6 Maintenance and Se.
INFINITY ALPHA 1200 S 1 Infinity Alpha Series T he Infinity Alpha Series of loudspeakers continues Infinity’ s long-standing commitment to accurate sound r eproduction.
2 INFINITY ALPHA 1200 S Rear Panel C ONTROLS AND C ONNECTIONS POWER AC 120V ~ 60HZ 500W OFF ON ® BASS OPTIMIZATION SYSTEM 20 -14.1 0 80 FREQUENCY LEVEL OFF GREEN: ON RED: STANDBY PHASE LINE LEVEL IN HIGH LEVEL IN HIGH LEVEL OUT Infinity Systems, Inc.
3 INFINITY ALPHA 1200 S If your r eceiver/amplifier does no t hav e subwoofer outpu ts for the le ft and right channels or an LFE outpu t: C ONNECTIONS If your r eceiver/processor has subwoof er outpu ts for the le ft and right channels: • Set Low-P ass Filt er to “On.
4 INFINITY ALPHA 1200 S Pow er On Plug your subwoofer’ s A C co r d into a wall outlet. Do not use the outlets on the back of the recei ver . Initially set the Subwoofer Gain (V olume) Control to the “min” position. Tu rn on your sub by pr essing the Power Switch on the rear panel.
5 INFINITY ALPHA 1200 S Infinity’ s Bass Optimization System is a simple-to-use, yet sophisticated, low-fr equency calibration system. Each Interlude subwoofer contains a par ametric equalizer that you can adjust f ollowing the dir ections below. By following these instructions , you can impro ve the sound of your system.
6 INFINITY ALPHA 1200 S plays the tones fr om the test CD and records the r elative output lev el of each test tone, using the sound-le vel meter , on the pro vided measurement template . After all the tones are complete, the template contains a response curv e for the frequencies below 100Hz.
7 INFINITY ALPHA 1200 S Infinity Alpha 1200s Fr equency Response 28Hz – 150Hz (±3dB) Maximum Amplifier Output 500 watts RMS (20Hz – 150Hz with no more than 0.1% THD) Crossov er F requencies 50Hz – 150Hz, 24dB/octave , continuously variable Driver 12" (305mm) C .
8 INFINITY ALPHA 1200 S N O TES.
® © 2002 Harman International Industries , Incorpor ated • Infinity Systems, Inc., 250 Crosswa ys Park Dri ve , Woodbury , NY 11797 USA 800.553.3332 (USA only) www .infinitysystems.com *T rademark of Dolby Laboratories. DTS is a registered trademar k of Digital Theater Systems, Inc.
An important point after buying a device Infinity ALPHA 1200S (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Infinity ALPHA 1200S yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Infinity ALPHA 1200S - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Infinity ALPHA 1200S you will learn all the available features of the product, as well as information on its operation. The information that you get Infinity ALPHA 1200S will certainly help you make a decision on the purchase.
If you already are a holder of Infinity ALPHA 1200S, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Infinity ALPHA 1200S.
However, one of the most important roles played by the user manual is to help in solving problems with Infinity ALPHA 1200S. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Infinity ALPHA 1200S along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
