S120PII Studio Series

O P E R A T I O N

Power

The S120PII is equipped with both a master Power switch

and an Auto turn-on/turn- off switch £. In order to function, the S120PII must be plugged into an active electrical outlet (but not an accessories outlet on another component of your audio system such as a receiver), and the master Power switch

must be turned on

(the “•” position).

The Auto turn-on/turn-off switch £ has three positions: On The subwoofer is on at

all times and ready to play program material.

Level Control

The subwoofer Level Control

adjusts the volume of the subwoofer relative to the rest of the system. Proper level adjustment depends on several variables such as

Auto As long as no audio signal is received, the subwoofer is in Standby mode to conserve power, indicated by the red color of the LEDs on the front of the unit. When an audio signal is sensed, the subwoofer will switch itself into the fully On mode and begin playing the program material. The LEDs will turn green. When a period of about twenty minutes goes by during which no signal is sensed, the S120PII will

room size, subwoofer placement, type of main speakers and listener position. Adjust the subwoofer level so that the volume of the bass information is pleasing to you.

return to Standby mode, indicated by the LEDs turning red.

Off The subwoofer is off at all times, even if an audio signal is present at its inputs.

If you plan to be away for an extended time, or if the subwoofer will not be used, you may wish to turn off the master Power switch ‚.

When using a Dolby Digital/ DTS receiver, adjust the LFE level on the receiver to 0dB, and then adjust the subwoofer Level Control ∞ for the desired amount of bass.

Crossover Adjustments

The Crossover Frequency Control ¢ determines the highest frequency at which the subwoofer reproduces sounds. If your main speakers can comfortably reproduce some low-frequency sounds, set this control ¢ to a lower frequency setting, between 50Hz – 100Hz. This will concentrate the subwoofer’s efforts on the ultradeep bass sounds required by today’s films and music. If you are using smaller bookshelf speakers that do not extend to the lower bass frequencies, set the low-pass Crossover control ¢ to a higher setting,

between 120Hz – 150Hz. This control ¢ is not used when

¡ ™ £

 

 

180°

LFE

ON

 

 

PHASE

 

 

AUTO

 

 

0°

NORMAL

OFF

 

 

 

80Hz

 

 

 

¢

CROSSOVER

 

 

 

LEVEL

FREQUENCY

 

 

 

50Hz

150Hz

MIN

MAX

 

 

 

 

 

 

§

BASSQ

 

 

 

LINE

 

 

 

LEVEL IN

 

(See owner’s

 

 

 

(For LFE

 

manual

IN

OUT

R

use R or L)

before use)

L

 

 

 

 

 

 

 

 

 

L

 

 

 

 

 

HIGH

 

 

 

 

LEVEL

 

 

 

 

 

IN

 

 

 

 

R

 

 

 

+

 

 

 

 

 

 

L

 

ª

 

 

 

 

HIGH

 

 

 

 

LEVEL

 

 

 

 

 

OUT

 

 

 

 

R

 

7

the LFE switch ™ is in the “LFE” position.

S120PII

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,

DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.

AVERTISSEMENT: POUR PRÉVENIR LES RISQUES D’INCENDIE OU

DE CHOC ÉLECTRIQUE ÉVITER D’EXPOSER CET APPAREIL A LA

PLUIE OU A L’HUMIDITÉ.

ON

OFF

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JBL S120PII service manual E R a T I O N

S120PII specifications

The JBL S120PII is a powerful and versatile subwoofer designed to deliver an exceptional audio experience for both music enthusiasts and movie lovers. With its cutting-edge technology and impressive specifications, it stands out as a reliable choice for enhancing the low-frequency sound in home audio setups.

One of the main features of the JBL S120PII is its large 12-inch cone driver, which delivers deep and impactful bass. This driver is engineered to provide enhanced sound reproduction, allowing users to feel the rhythm and power of their favorite tracks. With a frequency response that ranges from 29 Hz to 150 Hz, the S120PII effectively handles the low-end frequencies that are crucial for an immersive listening experience.

The subwoofer is equipped with a robust built-in amplifier that boasts an impressive power output of 300 watts RMS and peaks at 600 watts. This amplification ensures that the subwoofer can deliver consistent and powerful bass even during intense audio playback. The amplifier also features advanced signal processing capabilities, allowing the S120PII to adapt to various room environments and optimize sound performance.

Another key characteristic of the JBL S120PII is its sophisticated enclosure design. The subwoofer is housed in a tuned port cabinet that minimizes distortion and maximizes airflow, resulting in clean and accurate bass reproduction. This design not only enhances the overall sound quality but also adds aesthetic appeal, making it a stylish addition to any home theater or audio setup.

Connectivity options are another highlight of the S120PII. It features both line-level and speaker-level inputs, allowing for easy integration with different audio systems. The subwoofer is compatible with various receivers and amplifiers, making it a versatile choice for home theater enthusiasts.

JBL is known for its commitment to durability and quality, and the S120PII is no exception. The robust construction ensures longevity and resilience, making this subwoofer a lasting investment for any audio lover.

In conclusion, the JBL S120PII subwoofer is a solid choice for those seeking superior bass performance and versatility. With its powerful driver, advanced amplifier, and sleek design, it is well-suited for enhancing both music and movie soundscapes, delivering an unforgettable listening experience.