What is the primary function of the Allparts 500K Push/Push Potentiometer?

It is designed to control the volume or tone of a guitar by changing or stopping the flow of electricity. It also includes an integrated switch for secondary circuit functions.

What is the difference between push-push and push-pull potentiometers?

A push-push potentiometer toggles the switch by pressing down on the shaft for both on and off positions. A push-pull potentiometer requires you to pull the shaft upward to engage the switch.

Why is the 500K resistance value significant?

500K pots are typically used with humbucking pickups because they allow more high-end frequencies to pass through to the output. This results in a brighter sound compared to 250K pots.

What does 'Log Taper' mean for a guitar player?

A log (logarithmic) taper, also known as an audio taper, provides a volume sweep that sounds linear to the human ear. It prevents the volume from dropping off too suddenly at one end of the rotation.

Does this product include mounting hardware?

Yes, the Allparts 500K Push/Push Potentiometer comes with a nut and a washer for secure mounting. These are essential for fixing the component to a pickguard or guitar top.

Can this be used for both volume and tone controls?

Yes, the 500K resistance and log taper make it suitable for either volume or tone applications. Its function is determined by how it is wired into the guitar's circuit.

What are common uses for the integrated switch?

Common applications include coil-splitting a humbucker, switching between series and parallel wiring, or engaging phase reversal. The switch operates independently of the rotary pot function.

Is this pot compatible with Fender Stratocaster knobs?

Yes, it can typically be used with standard Fender-style knobs, such as the 1 Volume 2 Tone Aged White sets. Ensure the shaft diameter matches the knob's internal dimensions.

What is the typical price for this Allparts component?

This specific potentiometer typically retails for approximately GBP 19. Prices may vary slightly depending on the retailer and shipping costs.

Is the Allparts 500K pot durable for live performance?

The push-push mechanism is designed for quick access during performance. However, players should avoid excessive force to maintain the longevity of the internal latching mechanism.

Can I use this with a bass guitar?

Yes, it is suitable for bass guitars, particularly those using humbucking pickups. It can be installed alongside components like the Gotoh 203B-4 bass bridge.

Does this potentiometer affect the tone of the instrument?

Yes, by adjusting the flow of electricity, it allows for the rolling off of high frequencies (tone) or overall output (volume). The 500K value specifically helps maintain brightness.

Gear article

Allparts 500K Push/Push Log Taper Potentiometer

The Allparts 500K Push/Push Log Taper Potentiometer is a versatile electronic component used to control volume and tone in electric guitars and basses. It features a unique push-activated switching mechanism that allows players to toggle circuit functions without needing to pull upwards on the control knob.

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Overview

The Allparts 500K Push/Push Log Taper Potentiometer serves as a dual-function component for instrument electronics. Primarily, it acts as a variable resistor to modify the flow of electricity, facilitating control over an instrument's output level or frequency roll-off. Beyond standard rotation, it incorporates a secondary switch engaged by pressing the top of the shaft down.

Mechanical Functionality

Unlike standard 'push-pull' pots that require the user to grip and lift the knob to engage the switch, the push-push design operates with a clicking latch mechanism. Pressing the knob once engages the switch, and pressing it again releases it. This design is often preferred by performers who find the pulling motion difficult during live play, especially when using smooth or recessed control knobs.

Taper and Resistance

This model features a 500K Ohm resistance value, which is the industry standard for humbucking pickups to prevent high-frequency loss. The logarithmic (log) taper is designed to match the human ear's perception of volume changes, providing a smooth and natural transition as the dial is turned compared to linear alternatives.

Installation and Compatibility

The unit comes supplied with a mounting nut and washer for installation through the guitar's body or pickguard. While it is a universal part, it is frequently used in custom wiring schemes alongside other hardware like Gotoh 203B-4 bridges or various Fender-style pickguards. It is compatible with most standard guitar knobs designed for split-shaft or set-screw fitment.

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Frequently asked questions

What is the primary function of the Allparts 500K Push/Push Potentiometer?: It is designed to control the volume or tone of a guitar by changing or stopping the flow of electricity. It also includes an integrated switch for secondary circuit functions.
What is the difference between push-push and push-pull potentiometers?: A push-push potentiometer toggles the switch by pressing down on the shaft for both on and off positions. A push-pull potentiometer requires you to pull the shaft upward to engage the switch.
Why is the 500K resistance value significant?: 500K pots are typically used with humbucking pickups because they allow more high-end frequencies to pass through to the output. This results in a brighter sound compared to 250K pots.
What does 'Log Taper' mean for a guitar player?: A log (logarithmic) taper, also known as an audio taper, provides a volume sweep that sounds linear to the human ear. It prevents the volume from dropping off too suddenly at one end of the rotation.
Does this product include mounting hardware?: Yes, the Allparts 500K Push/Push Potentiometer comes with a nut and a washer for secure mounting. These are essential for fixing the component to a pickguard or guitar top.
Can this be used for both volume and tone controls?: Yes, the 500K resistance and log taper make it suitable for either volume or tone applications. Its function is determined by how it is wired into the guitar's circuit.
What are common uses for the integrated switch?: Common applications include coil-splitting a humbucker, switching between series and parallel wiring, or engaging phase reversal. The switch operates independently of the rotary pot function.
Is this pot compatible with Fender Stratocaster knobs?: Yes, it can typically be used with standard Fender-style knobs, such as the 1 Volume 2 Tone Aged White sets. Ensure the shaft diameter matches the knob's internal dimensions.
What is the typical price for this Allparts component?: This specific potentiometer typically retails for approximately GBP 19. Prices may vary slightly depending on the retailer and shipping costs.
Is the Allparts 500K pot durable for live performance?: The push-push mechanism is designed for quick access during performance. However, players should avoid excessive force to maintain the longevity of the internal latching mechanism.
Can I use this with a bass guitar?: Yes, it is suitable for bass guitars, particularly those using humbucking pickups. It can be installed alongside components like the Gotoh 203B-4 bass bridge.
Does this potentiometer affect the tone of the instrument?: Yes, by adjusting the flow of electricity, it allows for the rolling off of high frequencies (tone) or overall output (volume). The 500K value specifically helps maintain brightness.