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Peavey Celebrates 20 Years of the 6505 Guitar Amplifier

Peavey is celebrating the 20th anniversary of its legendary 6505 Series guitar amplifier line, the amps that have defined the sound of aggression in music for two decades.

The Peavey 6505 Series has earned its place in rock history as the guitar amplifiers of choice for a wide range of top rock and metal artists, said Hartley Peavey, founder and CEO of Peavey Electronics.

The Peavey6505has helped define the down-tuned sound of modern metal in the arsenals of artists like Machine Head and producers such as Colin Richardson, Andy Sneap and Jason Suecof, who have produced the most enduring metal and hard rock albums of the past two decades.

The 6505 was the first amp you could plug into for that heavier, thrashier tone, said Sneap.

One of the keys to bringing metals new lows to the masses was Peaveys patented Resonance circuit, which keeps the extreme low-end tight where other amps cannot. Resonance causes dramatic changes to the low-end response and allows the speaker to recreate the extended low frequencies with clarity and punch. Resonance is still a key ingredient of the 6505 sound today.

When you throw in the Resonance, you almost get an extra sub-harmonic that is below where the bass is, said Richardson, whose credits include Machine Head, Chimaira and more. Theyre some of the heaviest tones Ive ever tracked.

Machine Heads Robb Flynn has used the amp since the recording sessions for his bands debut, Burn My Eyes, in the early 90s. We were trying to get a modern, heavy tone, he said. And when we came across [the 6505], it was crushing. Its got a really incredible midrange growl that works so well.

The 6505 legacy continues today with an artist roster that includes Bullet For My Valentine, Asking Alexandria, All That Remains, Black Veil Brides, The Devil Wears Prada, Bring Me The Horizon, August Burns Red and more.

It might be on 60-70% of [metal] releases that have come out in the last 20 years, said Richardson. If you put a metal record on, Im sure Peavey is over 50% of what youre hearing.

Added Flynn, Now that guitar tone has pretty much defined a generation of guitar tone.

The Peavey 6505 Series includes the original 6505 head; the 6505 Plus, which features two independent channels; the 6534 Plus, outfitted with EL34 tubes for a more British-sounding tone; and two combo versions of the 6505 Plus, a 1x12 and a 2x12.

Learn more about the Peavey 6505 and check out artist videos and sound clips at Find a Peavey retailer near you at

About Peavey
Founded in 1965, Peavey is one of the worlds largest manufacturers and suppliers of musical instruments and professional sound equipment. Peavey has earned more than 180 patents and distributes to more than 130 countries. Peavey and its MediaMatrix, Architectural Acoustics, Crest Audio, Composite Acoustics and Trace Elliot brands and affiliates can be found on concert stages and in more than 10,000 airports, stadiums, theme parks and other venues around the world. To find out more, visit


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