Operation Modes, Stereo Operation, Parallel Operation

Operation Modes

Stereo Operation

For stereo (dual channel) operation, turn the amplifier OFF and set the mode select switches on the back panel to the out (extended) position. In this mode, both channels operate independently of each other, with their input attenuators controlling their respective levels. Thus, a signal at channel A’s input produces an amplified signal at channel A’s output, while a signal at channel B’s input produces an amplified signal at channel B’s output.

Parallel Operation

For parallel (dual-channel/single input) operation, turn the amplifier OFF and set the connector mode (CONN MODE) switch to the parallel position by depressing the switch. Both input connectors are then strapped together and drive both channels with the same input signal. Because both connectors are strapped together, either connector can be used with a patch cable to drive the input of another amplifier. Output connections are the same as in Stereo mode. Both input attenuators remain active when in Parallel mode, allowing you to set different levels for each channel. Power and other general performance specifications are the same as in Stereo mode.

Bridged Mono Operation

Both amplifier channels can be bridged together to make a very powerful single-channel monaural amplifier. Use extreme caution when operating in the bridged mode; potentially lethal voltage may be present at the output terminals. To bridge the amplifier, depress the rear panel Bridge switch to the IN position. Direct the signal to channel A’s input and connect the speakers across the hot outputs (the “+” binding posts) of channels A and B. Only channel A’s input attenuator is active while in Bridge Mono mode. Both connectors are strapped together, so either connector can be used with a patch cable to drive the input of another amplifier.

Unlike the stereo mode, in which one side of each output is at ground, both sides are hot in bridged mode. Channel A’s side is the same polarity as its input with the minimum nominal load impedance being 4 ohms (equivalent to driving both channels at 2 ohms) in bridged mode. Driving bridged loads of less than 4 ohms will activate the DDT™ circuitry (see Indicators section), resulting in a loss of power, and may also cause a thermal (overheating) overload.

4080, 3000, 4000 specifications

The Peavey 4000 is a high-performance audio mixing console that has gained popularity among professional audio engineers and musicians alike. Renowned for its robust construction and versatile features, the Peavey 4000 stands out in live sound settings, recording studios, and mobile applications.

One of the main features of the Peavey 4000 is its extensive input capability, with up to 32 channels available. Each channel is equipped with a microphone preamp that delivers clear and precise audio while allowing for a wide frequency response. This ensures that both vocals and instruments can be captured with fidelity, providing an optimal foundation for any audio mix. Additionally, the console includes both XLR and line input options, making it compatible with various audio sources.

The Peavey 4000 also boasts a comprehensive EQ section. Each channel features a three-band EQ, complete with sweepable mid-range frequency control, which empowers users to fine-tune their sound with precision. This flexibility is crucial for tailoring the audio to suit different environments and applications, whether it be a live performance or studio recording.

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Durability is paramount in an audio mixing console, and the Peavey 4000 is constructed with rugged materials designed to withstand the rigors of frequent transportation and use. The solid chassis ensures stability even in challenging environments, while the high-quality faders and knobs are built to endure extensive manipulation.

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