Seymour Duncan 11900-004 805 Overdrive Guitar Pedal

Seymour Duncan



A classic overdrive gives a subtle boost, fat crunch, or a searing tone to your solos. 3-band active EQ shapes your tone just the way you want.


Whether you’re looking to give your sound a bit of a boost or trying to find harmonically rich heavy gain with warm tube character, the 805 overdrive provides the versatility needed for any type of music – blues, country, rock, metal, and everything in between. The 3-band active EQ, delivers unprecedented control -you can have a smooth, lyrical bluesy tone one minute, and crushing modern metal crunch the next. The 805 is designed to be the perfect overdrive for pushing the front end of an already distorted amp, giving you plenty of output and tone-shaping capability, but can also give your clean tone a controlled boost. Scoop your mids or tighten your hard rock/metal tone in front of a high gain amplifier. Give that solo a searing boost that cuts perfectly through the mix and give your low end rhythm parts controlled crunch. The 805 is capable of any of these and more. Being a true-bypass pedal, it will feel at home on whatever pedalboard you choose.

Like all of our pedals, the 805 Overdrive is designed and assembled at our Santa Barbara, California factory by the same team responsible for our legendary pickups.


Distortion Circuitry:

Glass diode, back-to-back stack.


True bypass

Gain Control Range:

8dB to 36dB.

EQ Center Frequencies:

• Bass – 90 Hz +/- 11dB

• Mid – 750 Hz +/- 11dB

• Treble – 2.1 kHz +/- 12dB

Signal To Noise Ratio:

• Minimum gain, 20 to 20kHz – 112dBV

• Minimum gain, 400 to 20kHz – 114dBV

• Maximum gain, 20 to 20kHz – 97.5dBV

• Maximum gain, 400 to 20kHz – 98 dBV

THD @10mVrms input @ 1 kHz with 12 dB of gain:


Max Output before Saturation:


Input Impedance:

470k Ohms

Output Impedance:

1k Ohms


9V battery or external 9 to 18V Regulated DC Adapter (center negative)

Current consumption:



2.61” X 4.90"X 1.45"


0.6 lb without battery

Collections: Effects Pedals, Seymour Duncan

Type: Effects Pedals

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