CopperSound Pedals Loma Prieta

Loma Prieta

£249.00

Highlights

• Analogue tremolo pedal offering harmonic and traditional modulation for guitar and bass rigs
• Warm harmonic swirl, classic trem pulses and gritty drive from subtle movement to bold textures
• Responsive feel with natural dynamics and intuitive momentary control for expressive playing
• Clear controls for rate, depth, wave, grit and volume with tap tempo and expression support
• Analogue signal path with integrated overdrive for characterful tremolo and low noise performance
• Hand built with careful component selection for consistent tone and dependable operation
• Robust all metal enclosure designed for regular gigging and everyday pedalboard use
• Clear, legible graphics remain visible under stage lighting and busy pedalboard conditions
• Bright LEDs show tempo, depth and tremolo style for confident live use
• Mechanical true bypass preserves your core tone when the pedal is disengaged
• Fully analogue design avoids digital artefacts and maintains natural interaction with amplifiers
• Standard quarter inch jacks positioned for straightforward pedalboard wiring and integration
• Covered by manufacturer warranty for long term reliability and peace of mind

Description

The Loma Prieta from CopperSound Pedals is an analogue tremolo pedal designed for guitarists and bass players who want both familiar modulation and more characterful, experimental textures in a compact, pedalboard-friendly format. At its core it provides tempo-based tremolo suitable for anything from subtle movement to pronounced rhythmic pulses, but it is voiced to sit closer to the feel of vintage amplifier tremolo rather than a purely clean, studio-style effect. It works equally well as a conventional modulation tool within a traditional signal chain or as a more expressive device for players who like tremolo to become part of the sound rather than just an embellishment, and it responds convincingly across a wide range of playing styles, pickup types and amplifier setups.

Sonically, CopperSound Pedals Loma Prieta centres on harmonic tremolo inspired by classic tube-driven circuits found in older amplifiers, producing a shifting, almost phase-like movement where different frequency bands rise and fall against each other. This gives chords a gentle, swirling motion and single notes a vocal, undulating quality that feels immersive rather than choppy. A switch allows the circuit to be re-voiced instantly into a more traditional tremolo mode with a more straightforward amplitude modulation, making it easy to move between wobblier harmonic textures and a familiar optical-style pulse. Four selectable waveforms further expand the tonal range, from a smooth sine wave associated with classic amplifier tremolo, through a hard square wave for abrupt on-off rhythms, to asymmetric ramp up and ramp down shapes that add emphasis to either the attack or decay of the note. An onboard grit control introduces drive at the front of the circuit, adding anything from a light, crunchy edge through to saturated, almost preamp-like distortion that interacts with the tremolo rather than sitting on top of it. The result is a sound that can feel warm and organic with smaller amps, or more direct and aggressive with larger rigs, and which responds clearly to changes in instrument volume and tone controls.

In use, the CopperSound Pedals Loma Prieta feels immediate and encouraging rather than complex. The tremolo reacts naturally to picking dynamics, allowing players to dig in for more pronounced pulses or back off for a subtler sway. The controls are laid out logically, making it easy to dial in usable sounds quickly, while the more experimental options remain accessible without interrupting the flow of playing. The right-hand footswitch doubles as a momentary control, enabling expressive, on-the-fly changes that reward players who like to interact physically with their effects rather than setting and forgetting them.

The control set offers a wide but manageable range. Volume sets the overall output level, allowing the pedal to sit transparently in the mix or push an amp a little harder. Rate governs tremolo speed, with its setting clearly indicated by the associated LED behaviour, while depth controls the intensity of the modulation, from barely perceptible movement to deep, pronounced sweeps. Wave selects between the four available wave shapes, each offering a distinct feel and rhythmic character. The grit control governs the amount of overdrive introduced into the signal path, and its interaction with the volume control allows for fine adjustment of both gain and output. A style switch selects between harmonic and traditional tremolo, with the tap LED changing colour to indicate the active mode, making it easy to confirm settings at a glance.

A dedicated shift control cycles between four interactive modes that are activated using the right footswitch. In tap mode, the tremolo tempo can be set by tapping, with the circuit syncing accurately after two taps. Lo-fi mode momentarily removes bass frequencies while in harmonic mode, creating a thinner, more broken texture for brief accents. Dist mode temporarily pushes the grit control to its maximum, delivering a sudden burst of heavy distortion that can also function as a momentary boost. Double-time mode instantly doubles the tremolo speed relative to the current rate setting, adding dramatic rhythmic variation without changing knob positions. An expression jack allows further control options, accepting a TRS expression pedal to sweep the tremolo rate from minimum to maximum, or a standard mono cable for connection to an external tap tempo switch. Using an external tap controller frees the onboard tap switch for exclusive use of the lo-fi, distortion and double-time modes, increasing flexibility for live performance.

Internally, the CopperSound Pedals Loma Prieta uses an analogue circuit that prioritises tone and feel over unnecessary complexity. The design keeps noise low while preserving the subtle interactions between modulation and drive that define the pedal’s character, and internal polarity protection helps guard against power issues. It operates on either 9V with a modest current draw of less than 30 mA, making it easy to integrate into most modern power supplies, and an isolated supply is recommended for best performance.

The enclosure is all metal and built for regular use on the floor or on a crowded pedalboard. Its solid construction inspires confidence for gigging musicians, while the compact footprint makes it practical for tighter layouts. The graphics are clear and functional, with legible labelling that remains easy to read under stage lighting, and the colour-changing LEDs provide immediate visual feedback about tremolo style and modulation depth without being distracting. LED indicators also make it simple to track tempo and modulation behaviour during performance.

Signal integrity is maintained via a mechanical true bypass switching system, ensuring the CopperSound Pedals Loma Prieta leaves the instrument’s tone unaffected when disengaged. Input and output jacks use standard quarter-inch instrument connections and are positioned for straightforward cabling, while the expression and tap input accommodates both TRS and TS cables depending on the chosen mode. A standard centre-negative 2.1 mm DC input keeps power connections simple and compatible with common pedalboard supplies.

The CopperSound Pedals Loma Prieta is backed by a manufacturer’s warranty, offering reassurance in terms of long-term reliability and support. Taken as a whole, it stands out by combining harmonic tremolo, flexible wave shaping, integrated drive and expressive performance controls in a single, thoughtfully designed pedal. It offers familiar tremolo sounds when needed, but also rewards players who want to explore more unusual textures and interactions, making it a distinctive and worthwhile addition to a creative effects setup.

Controls

• LEFT FOOTSWITCH: True bypass on off switching preserves tone and keeps operation simple
• RIGHT FOOTSWITCH: Momentary control activates tap tempo and expressive shift effects in real time
• STYLE: Switches between harmonic and traditional tremolo with clear LED colour feedback
• RATE: Sets tremolo speed with wide, stable range for slow pulses to rapid modulation
• DEPTH: Controls tremolo intensity from subtle movement to deep modulation, LED brightness reflects depth
• WAVE: Selects sine, square, ramp up or ramp down for varied rhythmic and textural feels
• GRIT: Adds controllable overdrive from light crunch to saturated distortion, responsive to picking dynamics
• SHIFT: Cycles tap, lo fi, distortion and double time modes for creative performance control
• TAP MODE: Accurately syncs tremolo tempo after two taps for reliable live timing
• LO FI MODE: Momentarily reduces bass for thinner textures and contrast during harmonic tremolo
• DIST MODE: Instantly maxes grit for aggressive bursts or momentary volume and gain lift
• DBL MODE: Temporarily doubles tremolo rate for dramatic rhythmic variation without changing settings
• EXPRESSION JACK: Enables external control of rate or tap tempo for hands free performance shaping
• SHIFT LED: Provides clear visual feedback for rate, depth and active modulation behaviour

Components and Technical Specifications

• Analogue tremolo circuit delivers organic modulation with low noise and consistent dynamic response
• Harmonic and traditional tremolo voicings selectable via internal circuit switching
• Integrated analogue overdrive stage adds controllable grit without separate gain pedals
• Mechanical true bypass switching preserves original signal when the pedal is disengaged
• Momentary footswitch circuitry enables reliable real time performance effects
• High quality passive components ensure stable tone across all control settings
• Internal polarity protection safeguards the circuit from incorrect power connections
• Quarter inch instrument input and output maintain compatibility with guitar and bass rigs
• Expression and tap input supports TRS or TS operation via internal DIP switch selection
• Battery operation is not supported
• Current draw measured using a Truetone 1Spot mA Meter:
• Bypass (minimum): Approximately 18 mA
• Engaged (maximum): Approximately 23 mA

Current draw may vary slightly depending on control settings, circuit behaviour, and active features such as gain stages, modulation, filtering, or reverb tails. For best performance, use a high quality isolated power supply that matches the pedal’s current requirements. Always refer to the manufacturer’s recommendations, as incorrect powering may cause damage.

Enclosure Dimensions

• Depth: 94 mm / 3.7 in
• Width: 120 mm / 4.7 in
• Height: 34 mm / 1.3 in

Weight

• 449 g
• 0.99 lbs

Official UK Dealers

FX Pedal Planet Limited and FX Pedal Planet Online Store proudly serve as official UK dealers for CopperSound Pedals effects pedals. If we do not have the specific CopperSound Pedals pedal you are looking for, please reach out to us via the contacts page, and will order it on our next stock order for you at the best price and customer service.

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UK Deliveries

For our UK customers, we provide FREE 24 hour DHL tracked and signed delivery, ensuring your order arrives swiftly and securely.

International Deliveries

International deliveries are dispatched with DHL, ensuring fast shipping and efficient processing through customs.

For more information on deliveries and charges, please refer to our Deliveries and Charges.

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