Changing the Phase-PHASE Î English | JVC SP-DW103 specification

Adjusting the Crossover Frequency

—CUT OFF FILTER and FREQUENCY Ç

You can adjust the crossover frequency to determine the bass sound level this unit handles.

•Once it is set, only the sounds below the frequency come out of the built-in speaker.

When the main speakers in use are JVC’s SP-X103, SP-F303 or SX-XD33

Press in the CUT OFF FILTER button to set it to the _ FIX position.

CUT OFF FILTER

VARIABLE

FIX

•The FREQUENCY knob is deactivated.

•When your amplifier is equipped with crossover frequency setting, set it within the range of 100 Hz to 150 Hz.

•When your amplifier is equipped with speaker size setting, select “small.”

If your amplifier is not provided with a crossover frequency setting:

1 Press out the CUT OFF FILTER button to set it to the —

VARIABLE position.

Now the FREQUENCY knob is activated and you can adjust the crossover frequency on this unit.

CUT OFF FILTER

VARIABLE

FIX

2 Turn the FREQUENCY knob to obtain the best matching crossover frequency with your main speakers.

Adjust the frequency (50 Hz to 200 Hz) while listening to playback sound coming out of both the main speakers and this unit.

FREQUENCY

50Hz

200Hz

•If your main speakers can reproduce the bass sound well, adjust the frequency at a lower level.

•If you feel bass sounds are not sufficient, adjust the frequency at a higher level.

Changing the Phase—PHASE Î

English

You can change the sound phase to match your preference. Select either “NORMAL” or “REVERSE” to obtain a better bass sound.

Press in or out the PHASE button to select either the NORMAL position or the REVERSE position.

PHASE

NORMAL

REVERSE

•NORMAL : Normally select this.

•REVERSE: Select this when you feel the bass sound is better with this mode rather than with “NORMAL.”

Operating the Unit Automatically According to the Incoming Signals—AUTO POWER ON/STANDBY ‰

By using this function, this unit automatically enters standby mode even though the POWER switch is turned ON [ ❙ ].

Press the AUTO POWER ON/STANDBY button to the — ON position.

AUTO POWER ON / STANDBY

CANCEL

•If no sound comes in for about 10 minutes, the unit automatically enters standby mode. The power lamp lights in red. Then if the unit detects incoming signals, this unit starts operating automatically (the power lamp now lights in green).

If Auto Power On/Standby does not work correctly (see

“MEMO” below), press out the AUTO POWER ON/STANDBY button to set it to the _ CANCEL position. Auto Power On/ Standby is canceled.

AUTO POWER ON / STANDBY

CANCEL

When the volume level of the amplifier is so low or the incoming signals are so weak that this unit cannot detect sounds, Auto Power On/Standby may not work correctly.

•This unit may enter standby mode even though signals are coming in.

•This unit may not start operating after entering standby mode, even though signals start coming in.

– 7 –

SP-DW103 specifications

The JVC SP-DW103 is a high-performance subwoofer designed to enhance the home audio experience, particularly for those who enjoy deep bass reproduction. This model is part of JVC's commitment to delivering high-quality sound solutions, making it an ideal choice for both music enthusiasts and home theater aficionados.

One of the standout features of the SP-DW103 is its powerful 10-inch cone driver, which allows it to produce deep, resonant bass frequencies with remarkable clarity. This driver is specifically engineered to minimize distortion, ensuring that every note and beat can be felt as well as heard. The frequency response range is impressive, allowing users to experience low frequencies down to 28 Hz, making it perfect for various musical genres and movie soundtracks that require robust bass.

JVC has incorporated advanced technologies into the SP-DW103, including a built-in Class D amplifier. This type of amplifier is known for its efficiency and low heat production, translating to longer operational life and reduced energy consumption. The 100-watt RMS power output ensures that the subwoofer can fill even larger rooms with rich sound without compromising audio quality.

The design of the SP-DW103 is both stylish and functional, featuring a sleek cabinet that fits seamlessly into a variety of home decors. Its solid construction minimizes unwanted vibrations, which contributes to clearer sound reproduction. The subwoofer is equipped with a front-firing port that enhances low-frequency output and provides flexibility in placement, allowing users to position it optimally within their listening environment.

Connectivity is another critical aspect of the SP-DW103, featuring RCA and speaker level inputs. This versatility allows users to integrate the subwoofer easily with various audio systems, whether it's a home theater setup or a standalone audio system.

In conclusion, the JVC SP-DW103 subwoofer is a remarkable audio accessory that combines powerful performance with modern technologies and elegant design. With its impressive driver, efficient amplifier, and flexible connectivity options, it is well-suited for anyone looking to elevate their audio experience. Whether it’s for enjoying music or enhancing movie nights, the SP-DW103 promises to deliver a rich and immersive sound experience.