T

 

 

 

 

R

 

 

 

 

O

 

 

 

 

U

SYMPTOM

CHECK POINT

CURE

B

 

 

 

 

L

No sound

Is the amplifier power LED illuminated?

1.

Check fuses in amplifier

E

 

 

2.

Check turn-on lead

S

 

 

3.

Check signal leads

H

 

 

4.

Check gain control

 

 

5.

Check source unit volume

O

 

 

6.

Clean contacts on fuse holders

O

 

 

 

 

T

 

Is the amplifier overload LED illuminated?

Check speaker for short or

I

 

 

amplifier for overheating

N

 

Check impedance with Ohm meter

If no reading, replace speaker

G

 

Check that the speaker moves freely

If speaker won’t move, replace speaker

 

 

 

Speaker is making a

Check that speaker is secured properly

Tighten mounting screws

 

rattling noise

and tightened with screws

 

 

 

 

Check enclosure construction

Check that the enclosure is debris free

 

 

Check speaker polarity

Correct polarity

 

No sound from one coil

Check speaker leads

1.

Inspect for short circuits

 

 

 

2.

Check for open connections

Reverse left and right speaker leads to determine if it is occurring before the speaker

Speaker is distorting at high volume levels

Check speaker load impedance capabilities for the amplifier

Verify that amplifier and/or crossover settings are correct

Confirm that the speaker load impedance recommendations are followed. Check the wiring configuration of the speakers.

(To verify proper load impedance, use an OHM meter to measure the total load for each channel of the amplifier.

Select low-pass setting

15

Page 16
Image 16
Alphasonik PSW912, PSW915 owner manual Symptom Check Point Cure

PSW912, PSW915 specifications

The Alphasonik PSW915 and PSW912 are standout subwoofer models that cater to audiophiles seeking powerful, precise bass performance in a compact form factor. Designed to elevate the audio experience in vehicles and home theaters, these subwoofers showcase cutting-edge technologies and premium features that enhance sound quality and reliability.

The PSW915 boasts a robust 15-inch driver that delivers deep, resonant bass, while the PSW912 features a slightly smaller 12-inch driver, making it a versatile option for various applications. Both models are engineered with high-quality materials that enhance durability and performance, ensuring they can handle high power levels without distortion.

One of the standout features of the PSW915 and PSW912 is their dual voice coil design. This technology allows for greater flexibility in wiring options, enabling users to achieve optimal impedance matching with their amplifiers. As a result, users can maximize the performance potential of their audio systems, ensuring they receive the best possible sound quality.

The aluminum die-cast frame of both models adds to their structural integrity, allowing for increased airflow, which minimizes heat buildup during prolonged use. This design not only enhances longevity but also improves overall sound clarity by reducing unwanted resonance.

Moreover, both subwoofers are equipped with oversized, high-temperature voice coils that are designed to withstand high power handling while maintaining excellent thermal efficiency. This technology also promotes better transient response, resulting in tight, controlled bass that complements any music genre.

The PSW915 and PSW912 come with a variety of customizable options, including adjustable phase control and low-pass filters. These features enable users to tailor the subwoofer's performance to their specific listening environment, achieving seamless integration with surrounding speakers for a cohesive audio experience.

In terms of aesthetics, both models feature an attractive high-gloss finish that adds a touch of elegance to any setup. With their combination of power, precision, and durability, the Alphasonik PSW915 and PSW912 are ideal choices for those looking to enhance their sound systems with deep, impactful bass that truly brings music and movies to life. Whether in a home theater or a car audio setup, these subwoofers promise an unmatched auditory experience.