What is the Pearl SP-64NF Demon Pedal Spring?

It is a replacement tension spring specifically designed for Pearl's Demon series of bass drum pedals. It provides the necessary resistance and rebound for the pedal's action.

Which pedals are compatible with the SP-64NF?

It is primarily designed for Pearl Demon bass drum pedals. While it may fit other Pearl models, it is optimized for the Demon series' specifications.

Why does the spring have felt inside it?

The felt insert acts as a dampener to reduce unwanted mechanical noise. It prevents the spring from vibrating or 'ringing' during fast kick drum patterns.

How much does the Pearl SP-64NF cost?

The typical retail price is approximately £9.00. This makes it an affordable essential for a drummer's emergency kit.

Is the SP-64NF sold as a single unit or a pair?

The SP-64NF is typically sold as a single replacement spring. Drummers using double pedals may wish to purchase two to ensure consistent tension on both sides.

How do I know if my pedal spring needs replacing?

Signs include a loss of tension, visible rust, or audible squeaking that persists after lubrication. Sudden failure is also a risk, which is why keeping a spare like the SP-64NF is recommended.

Does this spring work for guitar pedals like the Boss NS-2 or DD-3T?

No, this is a mechanical hardware component for a drum pedal. It is not compatible with electronic guitar effects pedals like those from Boss or Fender.

What material is the SP-64NF made from?

It is constructed from durable, high-tension steel designed to withstand heavy use. The internal core consists of a soft felt strip.

Can the felt be removed from the spring?

While the felt is inserted through the centre, it is intended to stay in place for noise reduction. Removing it would increase the metallic resonance of the pedal.

How does the SP-64NF compare to the spring in a Dunlop Cry Baby?

They are completely different components; the SP-64NF is for a bass drum pedal, whereas the Cry Baby uses a different mechanism for its treadle. The SP-64NF is much larger and under higher tension.

Is it difficult to install the SP-64NF?

Installation is generally simple and involves unhooking the old spring and attaching the new one to the pedal's adjustment assembly. No specialised tools are typically required.

Why should I buy the Pearl brand spring instead of a generic one?

The Pearl SP-64NF is specifically built to the tension and length requirements of the Demon series. A generic spring may not provide the same feel or noise-reduction benefits.

Gear article

Pearl SP-64NF Demon Pedal Spring

The Pearl SP-64NF Demon Pedal Spring is a high-tension replacement spring specifically engineered for the Pearl Demon Series bass drum pedals. It serves as a critical mechanical component for maintaining optimal pedal response and includes an internal felt core to suppress mechanical resonance.

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Overview

The Pearl SP-64NF is a specialised tension spring designed to maintain the mechanical integrity and tactile response of Pearl's premium Demon bass drum pedal range. As a high-wear component, the spring is intended both as a direct replacement for worn parts and as a vital emergency spare for touring drummers. It ensures that the footboard returns to its original position swiftly after a stroke, which is essential for consistent technique and speed.

Design and Construction

Built for durability, the SP-64NF is manufactured from high-tensile steel to withstand the repetitive stress of high-velocity drumming. A distinctive feature of this model is the integrated layer of felt inserted through the centre of the coil. This internal damping material is designed to reduce 'spring ring'—the high-pitched metallic resonance that can occur when the spring expands and contracts during play. This makes the pedal quieter, which is particularly beneficial in studio recording environments.

Utility and Maintenance

Bass drum pedal springs are under constant tension and are prone to fatigue or sudden failure over long periods of use. The SP-64NF is positioned as a preventative maintenance tool. Having a spare spring in a gig bag prevents a performance from being compromised by a snapped spring, which would otherwise render the kick pedal unusable. The installation process is straightforward, allowing for quick adjustments or replacements between sets.

Comparison to Alternatives

While there are many generic springs on the market, the SP-64NF is specifically calibrated for the tension requirements and physical dimensions of the Pearl Demon series. Compared to standard springs without internal damping, such as those found on entry-level hardware, the SP-64NF offers superior noise suppression. For musicians using other gear like the Yamaha FC7 or Dunlop Mick Ronson Cry Baby, the SP-64NF represents the same commitment to professional-grade maintenance as specialized guitar electronics.

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Frequently asked questions

What is the Pearl SP-64NF Demon Pedal Spring?: It is a replacement tension spring specifically designed for Pearl's Demon series of bass drum pedals. It provides the necessary resistance and rebound for the pedal's action.
Which pedals are compatible with the SP-64NF?: It is primarily designed for Pearl Demon bass drum pedals. While it may fit other Pearl models, it is optimized for the Demon series' specifications.
Why does the spring have felt inside it?: The felt insert acts as a dampener to reduce unwanted mechanical noise. It prevents the spring from vibrating or 'ringing' during fast kick drum patterns.
How much does the Pearl SP-64NF cost?: The typical retail price is approximately £9.00. This makes it an affordable essential for a drummer's emergency kit.
Is the SP-64NF sold as a single unit or a pair?: The SP-64NF is typically sold as a single replacement spring. Drummers using double pedals may wish to purchase two to ensure consistent tension on both sides.
How do I know if my pedal spring needs replacing?: Signs include a loss of tension, visible rust, or audible squeaking that persists after lubrication. Sudden failure is also a risk, which is why keeping a spare like the SP-64NF is recommended.
Does this spring work for guitar pedals like the Boss NS-2 or DD-3T?: No, this is a mechanical hardware component for a drum pedal. It is not compatible with electronic guitar effects pedals like those from Boss or Fender.
What material is the SP-64NF made from?: It is constructed from durable, high-tension steel designed to withstand heavy use. The internal core consists of a soft felt strip.
Can the felt be removed from the spring?: While the felt is inserted through the centre, it is intended to stay in place for noise reduction. Removing it would increase the metallic resonance of the pedal.
How does the SP-64NF compare to the spring in a Dunlop Cry Baby?: They are completely different components; the SP-64NF is for a bass drum pedal, whereas the Cry Baby uses a different mechanism for its treadle. The SP-64NF is much larger and under higher tension.
Is it difficult to install the SP-64NF?: Installation is generally simple and involves unhooking the old spring and attaching the new one to the pedal's adjustment assembly. No specialised tools are typically required.
Why should I buy the Pearl brand spring instead of a generic one?: The Pearl SP-64NF is specifically built to the tension and length requirements of the Demon series. A generic spring may not provide the same feel or noise-reduction benefits.