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Kingsley Constable Valve Preamplifier

Kingsley Constable Valve Preamplifier

^# 39

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$540.00 Price Tier: High-end

5.0 (1)

Find out who is using Kingsley Constable

2 wishlisted

4 saved

Page last updated Jun 25, 2026

Pricing and availability

We compare 600+ stores and found this item at 1 store. Prices updated June 25, 2026.

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Price

5.0 (1)

$540.00 6 available Used

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Average Price: $540

High-end/Boutique

$249

$500+

Price Tier

In the Guitar Preamp Pedals category, Kingsley Constable Valve Preamplifier is priced in the High-end/Boutique range. This premium gear is built to very high standards and offers premium features.

Budget

Standard

High-end

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Description

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Meet the Kingsley Constable Valve Preamplifier, a remarkable piece of gear that stands out in the world of guitar amplifiers. Designed for both studio and stage use, this preamp is perfect for musicians seeking authentic tube-driven sound. The Constable utilizes high-voltage circuitry to deliver the warm, rich tones that only tube technology can provide, making it a favorite among those who appreciate classic sound.

With its intuitive layout, the Constable offers easy access to a wide range of tonal possibilities. Its robust construction ensures durability, while the hand-wired components guarantee superior audio quality and reliability. Whether you're aiming for sparkling cleans or crunchy overdriven tones, this preamp covers the sonic spectrum with finesse.

What truly sets the Kingsley Constable apart is its versatility. The unit features an adjustable output level, making it compatible with a variety of power amps. Additionally, its dual channels offer distinct tonal personalities, allowing you to switch seamlessly between different styles and settings. This makes it an invaluable tool for musicians who require flexibility during performances or recording sessions.

Key Features:

High-voltage tube circuitry for authentic sound
Hand-wired components for superior quality and reliability
Dual channels for versatile tonal options
Adjustable output level for compatibility with different power amps
Robust construction ideal for both studio and live environments
Intuitive layout for easy tone shaping

Videos

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That Pedal Show

Great Pedal Preamps: Victory The Sheriff, Kingsley Constable, Origin Revival Drive – That Pedal Show

That Pedal Show

Kingsley Constable video

Simon Jarrett

Great Pedal Preamps SHORT EDIT: Victory Sheriff, Kingsley Constable, Origin Revival Drive

That Pedal Show

Reviews

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Kingsley Constable Valve Preamplifier.

Features and functionality

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The Two Notes Torpedo CAB M only emulates power amps and speaker cabs for direct recording, not for driving physical cabs.
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The Constable offers dual volume controls to blend bright and dark channel tones, mimicking a Plexi's always-jumpered channels.
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A rear master volume switch allows setting distinct rhythm and lead volumes, accessible via the M A/B footswitch.
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Using a preamp pedal like Kingsley with a Boss ES5 can isolate the amp's preamp and the pedal preamp in separate loops for versatile tone switching.
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Software and compatibility

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Celestion's impulse responses can be used in Logic's Space Designer to simulate various cab types, enhancing the Constable's preamp versatility.
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Use cases and applications

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Consider using a frfr speaker with the Torpedo emulator for silent practice and recording setups without the need for a physical cab.
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The Constable's treble control increases high frequencies while potentially cutting lows, requiring careful adjustment for desired tone.
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Owners use Kingsley Constable for ampless setups, highlighting its versatility for portable and space-saving rigs.
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Users suggest using Kingsley Constable for achieving non-Marshall tones, like Vox or Fender, from a Marshall-based rig.
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Mods and upgrades

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Pair the Kingsley Constable with a DSM & Humboldt Simplifier by connecting through the FX return for a more flexible setup.
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User experience

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Owners note the Constable provides a "grainy" gain texture, distinct from the smoother gain of the PageDS.
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There's no noise even at high gain settings, suggesting meticulous build quality and design integrity.
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Value and pricing

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Kingsley Constable has a waiting list of around 5-6 months, indicating high demand and potential resale value.
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Comparisons

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Victory preamps are noted for routing that allows for seamless integration with amps, unlike Kingsley, which might require more complex setups.
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5.0 out of 5

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Artist usage

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Eric Johnson

Singer, Guitarist

The G3 Jam

Verified via YouTube

Eric Johnson uses the Kingsley Constable Valve Preamplifier, as evidenced by a video from L.A. Sound Design on YouTube, which showcases an auxiliary pedalboard built for him.