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JBL K2 S9900 User Manual

JBL K2 S9900
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JBL K2 S9900 Specifications

General IconGeneral
Type3-way floorstanding speaker
Nominal Impedance6 Ohms
Sensitivity93dB (2.83V @ 1m)
Woofer15" (380mm)
Midrange4" (100mm)
Tweeter1" (25mm)

Summary

Acoustic and Electrical Specifications

Nominal Impedance

Electrical resistance of the loudspeaker system at different frequencies.

Maximum Amplifier Power

The highest power level recommended for amplifier connection.

Frequency Response Range

The spectrum of audio frequencies the speaker can reproduce.

Sensitivity Rating

Loudness produced by the speaker for a given input power.

Crossover Frequency Points

Frequencies where the signal is split between speaker drivers.

System Components and Specifications

Loudspeaker Cabinet

The main enclosure structure housing the speaker components.

Speaker Grille

Protective mesh covering for the loudspeaker drivers.

Low-Frequency Transducer (Woofer)

The driver responsible for reproducing bass frequencies.

High-Frequency Transducer (Tweeter)

The driver responsible for reproducing treble frequencies.

Ultrahigh-Frequency Transducer

The driver for reproducing very high frequencies.

Aural and Physical Specifications

Aural Sweep Test Specifications

Test parameters for evaluating speaker performance across frequency bands.

Physical Dimensions

Overall height, width, and depth of the loudspeaker unit.

Weight Information

Net and shipping weight of the loudspeaker system.

Wiring and Schematic Diagrams

Wiring Diagram Overview

Diagram illustrating the internal electrical connections of the loudspeaker.

Low-Frequency (LF) Schematic

Circuit diagram detailing the low-frequency crossover network.

High-Frequency (HF) Schematic

Circuit diagram detailing the high-frequency crossover network.

Ultrahigh-Frequency (UHF) Schematic

Circuit diagram detailing the ultrahigh-frequency crossover network.

Service and Maintenance

Accessing 9V Batteries

Procedure for accessing internal batteries via the terminal cup.

UHF Driver Removal

Steps for safely removing the UHF driver assembly.

Woofer Removal Procedure

Detailed steps for extracting the woofer from the enclosure.

HF Horn and Driver Removal

Instructions for removing the high-frequency horn and driver.

Crossover Network Access

Guidance on locating and disconnecting the three crossover networks.

Parts Identification

Exploded View Diagram

Visual representation of speaker components with part number references.

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