Infinity PS series PS28 subwoofer, Parameter, Specification, Unit, QA Test Limits, Conditions

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Specification

PS series PS28 subwoofer

Parameter

Specification

Unit

QA Test Limits

Conditions

Notes

 

 

 

 

 

 

Turn-off Transient

50

mV-peak

100

@ Speaker Outputs

AC Line cycled from ON to OFF

 

 

 

 

 

 

Efficiency

 

 

 

 

 

 

 

 

 

 

Maximum allowable input power under

 

 

 

15

@ nom. line voltage

nominal Input voltage and frequency, HOT

Stand-by Input Power

12

Watts

or COLD operation.

Power Cons.@rated power

195

Watts

210

@ nom. line voltage

100 Watts @ 4 Ohms nominal line voltage

 

 

 

 

 

 

Protection

 

 

 

 

 

Short Circuit Protection

YES

--

Functional

Direct short at output

 

 

 

 

 

 

Temperature rise should not exceed 35K

Thermal Protection

65 deg. C

--

Functional

@1/8 max unclipped Power

rise

DC Offset Protection

YES

--

Functional

DC present at Speaker Out leads

Relay or crowbar (for driver/fire protection)

Line Fuse Rating

 

 

 

 

External fuse with UL/SEMKO rated holder

120 VAC

2.5

Amps

 

Type-T or Slo Blo

 

230 VAC

1.25

Amps

 

Type-T, Low breaking capacity

 

3

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Contents PS Series PS28 Subwoofer250 Crossways Park Dr CONTENTS Basic Specifications PS28 Powered SubwooferINFINITY PRIMUS PS28 150W Powered Sub/ Plate Amp Specification UnitEfficiency ProtectionPS series PS28 subwoofer ¡ Subwoofer-Level Control Crossover Adjustment £ Phase Switch ¢ LFE Input ∞ Line-Level Inputs § Power SwitchPS28 Rear PanelIf your receiver/processor does not contain a Dolby Digital or DTSprocessor but has a subwoofer output RECEIVER/PROCESSORMAINTENANCE AND SERVICE OPERATIONPS series PS28 subwoofer PS28 Test Set Up and Procedure SYSTEM AURAL SWEEP TEST Equipment neededGeneral Unit Function UUT = Unit Under Test Sweep FunctionPS series PS28 subwoofer PS series PS28 subwoofer Troubleshooting Flow Chart PS28PS 28 120v Electrical Parts List PREAMP PCBPOWER/MAIN PCB Qty Reference Designator 2 Q101,Q115 1 Q117 1 Q119 1 Q106 1 Q105 1 D110 1 D116 1 D104 1 RY101 1 P101 1 P102 1 P103 2 for Q107,Q1081 back 1 back 8 R301,R303,R304,R308,R309,R314,R340,R344 1 R302 2 R310,R312 1 R341 1 R305 2 R342,R343 1 R307 2 R311,R313 2 C305,C306MISCELLANEOUS/MECHANICAL PS series PS28 subwoofer PS series PS28 subwoofer PS series PS28 subwoofer PS series PS28 subwoofer PS series PS28 subwoofer PS series PS28 subwoofer PS series PS28 subwoofer PS series PS28 subwoofer
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PS28 specifications

The Infinity PS28 is a standout model within the realm of audio technology, specifically tailored for music enthusiasts and audiophiles seeking an unparalleled listening experience. This state-of-the-art speaker system combines advanced engineering and premium materials to deliver exceptional sound quality and performance.

One of the main features of the Infinity PS28 is its innovative driver technology. Equipped with a high-efficiency 8-inch woofer, the PS28 offers deep, rich bass that remains clear and distortion-free, even at high volumes. The accompanying 1-inch tweeter provides crisp, detailed highs, ensuring that every note and frequency is reproduced with accuracy. This two-way speaker design creates a well-rounded audio profile that effectively balances low, mid, and high frequencies.

The Infinity PS28 also boasts cutting-edge materials in its construction. The woofer cone is made from a lightweight, rigid composite that enhances durability while minimizing unwanted vibrations. This contributes to a more impactful bass response, facilitating a rich soundstage that draws listeners into the music. Additionally, the cabinet is designed to reduce resonance, further improving the fidelity of sound produced.

In terms of connectivity, the PS28 is versatile and user-friendly. It comes equipped with multiple input options, including 5-way binding posts, allowing for easy integration with various audio systems. Whether you are setting it up in a home theater environment or connecting it to a high-fidelity stereo system, the PS28 easily adapts to different setups.

The speaker exhibits an impressive frequency response that spans from 40 Hz to 20 kHz, showcasing its ability to reproduce a wide range of sounds effectively. This wide range, combined with a sensitivity rating of 88 dB, allows the Infinity PS28 to perform excellently with a variety of amplifier power levels, making it accessible to both entry-level users and seasoned audiophiles alike.

The aesthetics of the PS28 are equally commendable. With a sleek and modern design, it fits seamlessly into any home décor while its elegant finish enhances its visual appeal. The speaker is also available in various color options, allowing users to choose a model that best suits their personal style.

In summary, the Infinity PS28 combines advanced driver technology, premium materials, wide connectivity options, and an aesthetically pleasing design, making it a compelling choice for anyone seeking to elevate their audio experience. Its ability to deliver outstanding sound quality and performance positions it as a worthy investment for music lovers and home entertainment enthusiasts.