Guided Tour - Main Section

5:Meter - This ten-segment bar meter shows the continuous output level of the Main left/right output. For optimum signal-to-noise ratio, try to adjust all levels so that program material is usually at or around 0 VU, with occasional but not steady excursions to the red “+” segments. See the “Setting the Correct Gain Structure” section on page 13 in this manual for more information.

6:Meter LEDs - These show the status of various conditions within the

PL 2404. The leftmost LED (labeled “PFL”) lights steadily green when the

PL 2404 is in PFL mode (see #7 below). The center LED (labeled “AFL”) lights steadily red when the PL 2404 is in AFL mode (see #7 below). The rightmost LED (labeled “Power”) lights steadily red whenever the PL 2404 is powered on.

7:PFL/AFL switch - This determines whether the PL 2404 is in PFL mode (switch up) or AFL mode (switch pressed in). For more information, see the “Using PFL/AFL” section on page 22 in this manual.

8:Solo/Main switch - This switch affects headphone monitoring only. When the switch is up (Solo mode), the headphones receive signal from only those channels whose Solo switches are currently pressed in; when the switch is pressed in (Main mode), the headphones always receive the Main output regardless of the settings of any channel Solo switches. For more information, see #3 on page 4 and the “Using PFL/AFL” section on page 22.

9:Main Level - This knob determines the final signal level of the rear panel Main output—you can think of this as being the “master fader.” The 2 o’clock “0”

position of the knob indicates unity gain (no level attenuation or boost). Moving the knob counterclockwise from the “0” position (towards “∞”) causes the signal to be attenuated (at the very bottom, it is attenuated infinitely—in other words, there is no sound). Moving it clockwise from the “0” position (towards “+10”) causes the signal to be boosted by up to 10 dB. For more information, see the “Setting The Correct Gain Structure” section on page 13 in this manual.

10:Control Room Level - This knob determines the signal level of the rear panel Control Room output, allowing independent monitoring of the Main output signal. The 2 o’clock “0” position of the knob indicates unity gain (no level

attenuation or boost). Moving the knob counterclockwise from the “0” position (towards “∞”) causes the signal to be attenuated (at the very bottom, it is attenu- ated infinitely—in other words, there is no sound). Moving it clockwise from the “0” position (towards “+10”) causes the signal to be boosted by up to 10 dB.

11:Bus L/R switches - These switches allow you to route the output from any of the four buses to the Main left/right output jacks and Control Room left/right output jacks on the rear panel (see #5 and #6 on page 8). When up, the signal from that bus is not routed to the main outputs and terminates at its Bus out jack (see #4 on page 8). When pressed in, the signal from that bus is routed to the main outputs as well as its Bus out jack.

12:Bus Faders (white with blue line) - These linear sliders determine the relative level of the four bus outputs. The “0” position of each fader indicates

unity gain (no level boost or attenuation). Moving the fader below this position (towards the “∞” position) causes the signal to be attenuated (at the very bottom, it is attenuated infinitely—in other words, there is no sound). Moving it above this position (towards the “+10 dB” position) causes the signal to be boosted by up to 10 dB. For best signal-to-noise ratio, all Bus faders should generally be kept at or near the 0 level. For more information, see the “Setting The Correct Gain Structure” section on page 13 in this manual .

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PL2404 specifications

The Samson PL2404 is a sophisticated audio mixer that stands out in the realm of live sound and studio applications. It is designed for professionals seeking versatility, quality, and robust performance in a compact package.

One of the main features of the PL2404 is its 24-channel configuration, which allows users to handle a variety of audio sources simultaneously. Each channel is equipped with a 3-band EQ, providing precise control over high, mid, and low frequencies. This EQ section helps audio engineers shape the sound of individual channels to achieve optimal mix clarity.

The mixer also includes 4 subgroups, which enable the grouping of channels for simplified control over multiple inputs. This is particularly useful for live performances or large events, as it streamlines the mixing process and allows for quick adjustments. Each subgroup can be routed to the main mix or through auxiliary outputs, offering greater flexibility.

In terms of connectivity, the PL2404 features a range of options, including XLR inputs for microphones, 1/4" TRS inputs for line-level devices, and various send/return options for external effects processors. This diverse range of inputs and outputs makes it easy to integrate the mixer into a variety of audio setups.

The PL2404 also incorporates advanced technologies designed to enhance audio quality. Its low-noise preamps ensure that every sound source is captured with clarity, while the mixer’s overall design minimizes signal interference and crosstalk. This ensures that whether you’re recording in a studio or mixing live, the integrity of the sound is maintained.

Additional characteristics of the PL2404 include a built-in talkback function, which allows the engineer to communicate with performers or other crew members without disrupting the mix. The intuitive layout of controls ensures quick access to essential functions for both novice and experienced users.

The PL2404’s rugged construction makes it suitable for touring, as it can withstand the rigors of constant transportation. Its lightweight yet durable chassis is designed to endure the wear and tear of frequent use, ensuring reliability in demanding environments.

In summary, the Samson PL2404 is a versatile audio mixer that combines professional features and advanced technology, making it an excellent choice for both live and studio applications. Its quality, flexibility, and durability make it a trusted tool for audio professionals.
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