Bass Optimization Test & Measurement Kit Infinity Part Number: 335852-002 Infinity continually strives to update and improve existing products, as well as create new ones. The specifications and construction details in this and related Infinity publications are therefore subject to change without notice.
Alpha 1200s Alpha 1200s Powered Sub/ Plate Amp LINE VOLTAGE Yes/No Hi/Lo Line Nom. Unit Notes US 120vac/60Hz 108-132 Vrms Normal Operation EU 230vac/50-60Hz 207-264 Vrms Normal operation, MOMS required QA Test Parameter Specification Unit Conditions Notes Limits Amp Section...
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Alpha 1200s QA Test Parameter Specification Unit Conditions Notes Limits Amp connected and AC on, then ATO Turn-on time seconds functional input signal applied (T) Time before muting, after input Auto Mute/ Turn-OFF Time minutes Auto turn of time (T) must be 10 > T < 17 Minutes...
Alpha 1200s ONTROLS Rear Panel B A S S O P T I M I Z A T I O N S Y S T E M -14.1 49.5 FREQUENCY LEVEL WIDTH LP ON PHASE GREEN: ON RED: STANDBY LP OFF...
Alpha 1200s If your receiver/processor has subwoofer ONNECTIONS outputs for the left and right channels: If your receiver/amplifier does not have subwoofer RECEIVER/PROCESSOR outputs for the left and right channels or an LFE output: RECEIVER/AMPLIFIER Front Speaker Output B A S S O P T I M I Z A T I O N S Y S T E M -14.1...
Alpha 1200s PERATION Crossover Adjustments Power On Plug your subwoofer’s AC cord into a wall outlet. Do not use the The Crossover Adjustment Control determines the highest frequency at which the subwoofer reproduces sounds. If your main outlets on the back of the receiver.
• Make sure the loudness contour (if any) on your receiver/ processor/preamp is turned off. Infinity has developed an optional test and measurement kit that allows the user to perform a series of measurements and aids • Set the receiver’s/processor’s tone controls (Bass and Treble) to their center or flat positions.
Subject: Distortion When Coming Out Of Standby In the event you receive an Alpha 1200s subwoofer with the complaint “There is a brief chirping sound, or short oscillation that occurs when the unit is in the AUTO mode, in Standby, when it’s triggered ON with a music signal”, follow the procedure below to correct this condition:...
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