Reference - Rear Panel

11.+/ - – These increment/decrement buttons have different functions, depending upon whether a front panel button is flashing or not. If a front panel button is flashing, they are used to increment or decrement the value of the selected parameter. (For example, if the PRESET button is flashing, the +/- buttons step through the various equalization presets.) If no front panel button is flashing, the +/- buttons adjust the overall system volume. (Press the + button to increase system volume and the – button to decrease system volume.)

In addition, by pressing both the + and – buttons at the same time, they can be used to alter the brightness of all front panel buttons and the Meter Display. There are six settings; at the lowest setting, all buttons and meter segments are completely off, and only the JBL logo glows to indicate power.

Rear Panel

LSR4328P/ LSR4326P Rear Panel

1.Input Sensitivity switch – In the OUT position, selects -10 dBV sensitivity for the analog input. In the IN position (pressed in), selects +4 dBu sensitivity for the analog input.

2.Analog XLR Balanced input connector. Connect analog audio input signal here.

3.Analog ¼″ Balanced input connector. Alternatively, analog audio input signal can be connected here. CAUTION: Use either the ¼″ or the XLR input, Do not connect sources to both analog inputs simultaneously.

Positive voltage to Pin 2 of the XLR connector or the tip of the ¼″ jack will produce a forward motion in the speaker cone. See Appendix C in this manual for wiring diagrams.

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JBL LSR4326P, LSR4328P owner manual Rear 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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