Manuals / Peavey / Musical Instruments & Equipment / Musical Instrument Amplifier

Peavey 500 manual Hum or Buzz, Distorted or Fuzzy Sound

Models: 500

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triggered the thermal protection. Turn off the unit, and cool as best as the situation allows. (DO NOT use cold liquids for this purpose!) If there is still no output, it may help to read the owner’s manual completely.

Hum or Buzz:

This can be AC outlet related, try plugging the Impulse 500P Subwoofer into a different AC outlet. Sometimes, if a different circuit (breaker) is used for the mixer and the Impulse 500P, it can cause hum problems. Check to make sure that shielded cables have been used to get the signal to the Impulse 500P’s inputs. Speaker cables with 1/4" or XLR plugs will be very prone to hum.

Check to make sure light dimmers are not on the same circuit as the Impulse 500P or the mixer (or any source devices). If light dimmers are in use, then it may be necessary to turn them full on or full off to eliminate or reduce hum to tolerable levels. This is an AC wiring/light dimmer interference problem, and not the fault of the Impulse 500P Subwoofer.

Distorted or Fuzzy Sound:

First, make sure the mixer (or signal source) is not clipping or being overdriven. This can sometimes occur when the level control (6) on the Impulse 500P Subwoofer has been set too low (too far CCW), and it takes a lot of signal to drive the unit to full power.

Make sure the input plugs are fully seated in the input jacks (5) on the rear panel of the Impulse 500P Subwoofer.

Check to see that the proper inputs are being used (5), and not the high pass filter output (7), for line level input signals. Make sure that a power amp has not been plugged into the input jacks of the Impulse 500P Subwoofer.

If an extension cord is being used to provide the AC power to the unit, is it of sufficient current capacity and not also being used to supply power to any other units? See GETTING AC POWER TO THE IMPULSE 500P Subwoofer for details.

The Impulse 500P Subwoofer has built-in EQ to extend and smooth the natural response of the speaker in the system. Bass boost and infrasonic roll off have been applied, and the system has a nominally flat response, and should require little, if any, additional EQ. If excessive additional bass boost or EQ boost have been added externally to the Impulse 500P, it may cause premature overload at high SPL’s. Try backing off of any external (mixer, rack Equalizer) EQ and see if that clears up any tendency to distort.

Finally, realize that even though the Impulse 500P Subwoofer is an extremely powerful and high output unit, it does ultimately have limits, and it may need additional powered units to provide enough sound output or coverage. In this case, try turning the mixer levels down a little to see if that clears things up.

If, after checking all the listed things to check, and anything else you can think of to check safely, and the system still exhibits problems, carefully note all conditions and check with your Peavey dealer for advice.

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Peavey 500 manual Hum or Buzz, Distorted or Fuzzy Sound
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500 specifications

The Peavey 500 is a powerful and versatile amplifier that has garnered praise from musicians and audio engineers alike. Known for its robust performance and reliability, the Peavey 500 is designed for a variety of applications, including live performances, studio recordings, and worship settings. With a blend of innovative technologies and practical features, this amplifier stands out in the crowded market of pro audio equipment.

One of the key features of the Peavey 500 is its impressive power output. Offering substantial wattage, this amplifier is capable of driving even the most demanding speaker systems with ease. Competitively designed to handle both high and low frequencies, it ensures clarity and fullness of sound, making it an excellent choice for bassists and guitarists who require punchy, dynamic tones.

The Peavey 500 incorporates several exclusive technologies to enhance its performance. One such innovation is Peavey’s proprietary TransTube technology, which emulates the warm, harmonic-rich tones of vacuum tube amplifiers. This allows musicians to achieve a rich and vibrant sound without carrying the weight and maintenance demands of traditional tube amps.

In addition to its sound quality, the Peavey 500 is equipped with built-in EQ controls, allowing users to tailor their sound to suit different performance environments. Its comprehensive tone-shaping capabilities include bass boost, midrange adjustments, and treble controls, enabling precise sound customization. This flexibility is crucial for musicians who often perform in varied acoustic spaces.

Durability is another hallmark of the Peavey brand, and the Peavey 500 is no exception. Engineered with high-quality components and a rugged construction, this amplifier is built to endure the rigors of frequent transportation and heavy use. From the solid chassis to the robust input and output connectors, every aspect of the Peavey 500 reflects a commitment to long-lasting performance.

Furthermore, the amplifier features multiple input options, including standard quarter-inch jacks and XLR connections, ensuring compatibility with a wide range of instruments and audio sources. The versatility of the Peavey 500 is further enhanced by options for direct outputs, making it easy to connect to recording systems or external mixers.

Overall, the Peavey 500 stands as a testament to Peavey’s dedication to quality and innovation in the music industry. With its powerful output, advanced technologies, and user-friendly features, it continues to be a go-to choice for musicians seeking reliability and exceptional sound in their performances. Whether on stage or in the studio, the Peavey 500 delivers the performance that professionals expect and deserve.