Quick Start

tivity switch to +4dBV (switch IN) or -10dBu (switch OUT) to match the nominal level of the signal source. If you don’t know how to set the switch, consult the documentation for the signal source. Most professional devices operate at +4dBV while most consumer devices operate at -10dBu. (See page 24 in this manual for a wiring diagram.)

Do NOT make connections to both the XLR and ¼″ analog connectors; use one or the other.

b.If you are connecting digital signals (i.e., from a digital console or workstation, or from the digital outputs of a CD or DVD player or processor), use appropriate cabling to make a connection between the device and the rear panel AES/EBU (XLR) or S/PDIF (phono) input of the speaker designated to carry the LEFT channel (i.e., the left speaker in a stereo setup). Then use appropriate cabling to make a connection between the rear panel AES/EBU (XLR) or S/PDIF (phono) output of the left speaker and the rear panel AES/EBU or S/PDIF input of the speaker designated to carry the RIGHT channel (i.e., the right speaker in a stereo setup). (See page 24 in this manual for a wiring diagram.)

When using digital audio inputs, the rear panel DIP switch settings determine which channel of the stereo AES/EBU or S/PDIF signal will be reproduced by each speaker.

LSR4300 Front Panel

7.Press the front panel INPUT button on any speaker so that it begins blinking. While it is still blinking, press the + / - controls on any speaker to select the desired input. The front panel LEDs and the rear panel ACTIVE INPUT display shows which of the three inputs (Analog, S/PDIF, or AES/EBU) is currently selected. If a digital input is selected, the rear panel ACTIVE INPUT display also shows which channel is being reproduced by that speaker.

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JBL LSR4328P, LSR4326P owner manual LSR4300 Front Panel
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LSR4326P, LSR4328P specifications

The JBL LSR4328P and LSR4326P studio monitors are part of JBL’s acclaimed professional audio lineup, known for their precision, clarity, and innovative technology. Designed for critical listening environments, these monitors are ideal for music production, broadcast, and post-production applications.

One of the standout features of the LSR4328P is its 28/26-watt bi-amplified system, which delivers powerful and detailed sound reproduction. The LSR4328P has an 8-inch woofer and a 1-inch titanium tweeter, while the LSR4326P is equipped with a 6.5-inch woofer and the same 1-inch titanium tweeter. This dual-cone design ensures that both low and high frequencies are reproduced accurately, making them suitable for a variety of musical genres.

Both models include JBL’s patented Image Control Waveguide technology. This unique design enhances the monitors’ stereo imaging and provides a wider sweet spot, allowing listeners to experience a more immersive soundstage. With precise positioning of the tweeter, the waveguide helps achieve a smooth frequency response, which is essential for accurate mixing and mastering.

Another notable feature is the integrated room control EQ, which allows users to tailor the monitors to their specific acoustic environment. This helps to counteract the effects of room acoustics, ensuring that the sound remains consistent and accurate regardless of the listening environment. Additionally, both models support various input options, including balanced XLR and TRS connections, making them versatile for different studio setups.

The LSR4328P and LSR4326P also incorporate advanced DSP technology for refined performance. This includes precise limiting and crossover functionalities that ensure optimal power distribution between the woofer and tweeter. The result is a balanced sound that does not compromise on detail or frequency response.

In terms of build quality, both models feature a sleek, professional design with a durable cabinet that minimizes resonance and distortion. They are equipped with a front-mounted volume control, making it easy to adjust levels during sessions. Together, the JBL LSR4328P and LSR4326P blend state-of-the-art technology with user-friendly features, establishing them as essential tools for professionals seeking high-fidelity sound in their recordings.
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