Zoom 508 Effects

Written by pamela benetti
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Zoom 508 Effects
The Zoom 508 is a compact delay pedal. (Jupiterimages/Brand X Pictures/Getty Images)

The Zoom 508 is a compact, digital delay pedal released by Zoom in 1996. The 508 has up to four seconds of delay time. It includes eight different types of delay, which can be stored in 24 patch locations in the unit. The 508 can be powered by a 9-volt battery or an optional 9-volt adaptor available from Zoom.

Types of Delay

The Zoom 508 includes eight different types of delay. Normal delay is a mono digital delay with up to four seconds of delay time. Ping pong delay is a stereo version of normal delay, with delayed signal output alternating between the left and right outputs, when a stereo cable is used. Normal twin delay provides two delays each, with a separately adjustable delay time up to four seconds. Stereo twin delay is a stereo version of normal twin delay. Mono and stereo echo are two more types. Four tap and six tap delays complete the line up.

Patches and Banks

The Zoom 508 contains 24 patches. A patch is a stored collection of parameters which can be recalled from one of the locations. The user can alter parameters in any of the 24 patches, or restore the unit to factory settings. Restoring the unit to factory settings deletes all user patches. Banks are groups of patches, which are stored in groups of four. Banks A through F are accessible from the top panel.


Parameter one selects delay type. Parameter two sets delay time, in ten millisecond increments. Parameter three sets delay time in one millisecond increments. Parameter four controls feedback from zero to 99. Parameter five is a variable equalisation control which varies depending on the type of delay selected. The zero to 40 setting results in a high-frequency cut, and settings 41 to 50 produce a high-frequency boost. Parameter six adjusts the delay mix, from zero to 50. Parameter seven is a seamless patch change control, which allows the delay effect to continue sounding even after switching patches. Parameter eight is a hold or tap control, allowing infinite repeat in hold mode, or tap-tempo control of delay time in tap mode.

Other Features and Functions

The Zoom 508 features a seamless patch change feature, which allows the delay effect from one patch to continue sounding even when patches are changed. A "Control In" jack is provided for an optional external FP01 expression pedal. When connected, the expression pedal allows real-time control of the delay mix parameter. An FS01 switch can also be connected to the "Control In," allowing tap-tempo control of delay time. The unit also includes a built in tuner, which is available when Bypass Mode is selected.

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