Diamond Bass Comp

^# 40

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$100.00 to $250.00 Price Tier: High-end

5.0 (6)

1 Critic Review

4 Reviews

All time low price

This product is Vintage or Discontinued

Find out who is using Diamond Bass

4 wishlisted

11 saved

Page last updated Jun 08, 2026

Pricing and availability

We compare 600+ stores and found this item at 4 stores. Prices updated June 8, 2026.

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Reviews

Price

5.0 (13)

$100.00 3 available Used

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$239.00

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4.5 (10)

$253.00 $250.00 $3.00 · All time low

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£249.00

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Average Price: $207

High-end/Boutique

$50

$201+

Price Tier

In the Compressor Effects Pedals category, Diamond Bass Comp 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

Price History

Based on price data from 2 merchants for "Diamond Bass Comp". Prices shown reflect NEW condition. Tracking began Apr 3, 2026.

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Description

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Introducing the Diamond Bass Compressor, a top-tier gadget in the world of Compressor Effects Pedals. Boasting EQ Tilt control at 250 and 900Hz, this pedal thrives on versatility and precision. Crafted with user-friendly controls for Comp, EQ, and volume, it offers sweet, warm sustain and boutique attenuation for bass frequencies. The Bass Comp's pro audio grade opamp ensures its place amongst industry favorites. This pedal is revered for its warm, vibrant, and responsive nature, making it a stellar choice for those seeking the smoothest low-end presence possible.

Key Features:

EQ Tilt control at 250 and 900Hz
User-friendly controls for Comp, EQ, and Volume
Offers sweet, warm sustain and boutique attenuation for lower frequencies
Pro audio grade opamp
Warm, vibrant, and responsive nature
Ideal for ensuring a smooth low-end presence

Product specs

Available since	May 2023
Effect Types	Compressor

FAQs

What are the key features of the Diamond Bass Compressor?: The Diamond Bass Compressor offers smooth compression with a focus on maintaining the natural tone of your bass. It includes an EQ section tailored for bass frequencies, allowing for enhanced tonal shaping.
Is the Diamond Bass Compressor suitable for live performances?: Yes, the Diamond Bass Compressor is designed to provide consistent compression and tonal quality, making it an excellent choice for live performances where reliable sound is crucial.
What power supply does the Diamond Bass Compressor require?: The Diamond Bass Compressor requires a 9-18 V DC power supply with a current draw of approximately 22 mA, ensuring compatibility with most pedalboard power setups.
How does the Diamond Bass Compressor affect the tone of my bass?: The Diamond Bass Compressor is known for its transparent compression that preserves the natural tone of your bass while adding subtle warmth and sustain, ideal for various musical styles.
Can the Diamond Bass Compressor be used with other instruments besides bass?: While primarily designed for bass, the Diamond Bass Compressor can be used with other instruments, offering versatile compression and EQ capabilities for different tonal needs.

Equipboard's Expert Review

Equipboard tested this

Smooth Operator: Bass Tonal Bliss

In our tests, the Diamond Bass Compressor proved to be a game-changer for bassists seeking tonal enhancement without sacrificing their instrument's natural character. As soon as we plugged it in, we were impressed by its intuitive layout and the satisfying deep yellow finish that looks even better in person than in photos.

The standout feature for us was the Tilt EQ, which we found incredibly usable for shaping our tone. It allowed us to dial in the perfect balance between lows and highs effortlessly. We appreciated the simplicity of the controls, making it easy to find that sweet spot without excessive tweaking.

Sound-wise, this pedal is a true gem. It naturally enhances, thickens, and sweetens the bass tone without adding unwanted noise. We noticed a significant improvement in sustain and smoothness in the low end, all while maintaining transparency. The pedal's ability to enhance touch and dynamics was particularly noticeable when playing ghost notes.

However, it's not without its quirks. We found the attack to be a tad fast, which could make fast runs sound slightly squishy. Some players might miss the twang of their bass, as the compressor tends to smooth it out. Additionally, the lack of a blend knob and limited compression ratio options might be a drawback for those seeking more granular control.

The Diamond Bass Compressor is ideal for bassists who prioritize tone enhancement and ease of use. It's worth the investment for its quality and performance. However, those needing more versatile compression options or battling for pedalboard space might want to look elsewhere, especially considering its 18V power requirement and lack of a battery option.

Rated 5

Videos

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Reviews

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PROS

Enhances bass sound, making it crisper and clearer
Stunning deep yellow paint job enhances aesthetics
Naturally improves bass sound across genres
Features tilt EQ and Comp control for versatile sound shaping
Promotes dynamics and allows for non-pumping sustain
Simple to dial in, quiet operation
Works well on both guitar and bass
Provides smooth compression even at higher settings
User-friendly with intuitive knobs
Transparent sounding, excels with fingerstyle

CONS

Attack may be too fast for some, affecting fast runs
May diminish the twang of some basses at certain settings
Lacks a wide range of compression ratio options
Not ideal for those needing more attack for slap/pop
Requires 18V power, included adapter may be faulty
No battery compartment, could be inconvenient for some setups
Takes up significant space on pedalboards

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Diamond Bass Comp.

Features and functionality

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The absence of a clean blend remains a key concern despite new features like an attack switch and mids knob.
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The standard version offers two attack options, which users find more beneficial for guitar-focused setups, while the bass version provides multiple mid frequency options.
Source

Comparisons

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The Broughton Omnicomp is noted for a better feature set than the Diamond Bass Compressor, particularly for those seeking optical compression.
Source

Value and pricing

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At $239, the Diamond Bass Compressor competes with other premium compressors, but lacks features like clean blend, which are standard in similarly priced options.
Source

User experience

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Despite its historical reputation, the current market offers alternatives like the Lusithand Alma Comp, which some users find preferable.
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A preference for the standard version emerges for players prioritizing compression control, as the variable attack is deemed more essential than adjustable mids for some users.
Source

Use cases and applications

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Users note that the original big box bass comp version performs excellently with both guitar and bass, indicating its versatility across instruments.
Source

Critic Reviews

Stomp Box Review: Diamond Bass Comp | Delicious Audio

delicious-audio.com

The Diamond Bass Compressor shines with high-grade optical compression, superior build quality, and impressive sound quality that rivals some rack units. Its flexible power options and headroom are notable, especially for high-output active basses. However, its compression can be heavy-handed at high settings, and some power supply quirks might require attention. Overall, it's a well-priced boutique pedal that delivers on its promises.

positive

Full Review

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5.0 out of 5

Based on 4 Reviews and 6 Ratings

5 star

4 star

3 star

2 star

1 star

lucasrice

8 months ago

Great Analog Compressor

Does exactly what a bass compressor should do. No complaints, it stays on the board.

Roles:

Singer Guitarist Bassist

Genres:

Rock Pop Blues

hermanomad

156

about 9 years ago

Great Compressor - EDIT - I switched to TC Spectracomp....

After some use I still think that as a more traditional compressor (read: single band), it works very nice. It is a big step up from the old school pumping compressors. I did a very long study on compressors for guitar and bass, because I will use it on both. Knowing I'd use a little compression all the time, I'd surely shouldn't mess up my preciously build sound. The Diamond Bass Comp actually did fade away the nice twang of my bass. But it is smooth as butter and very musical. On low settings, it just gives a little invisible punch to the signal, pulling it into presence. On higher settings it gets more aggressive, but always with smooth character. If you hear any pumping, ensure the volume INTO the pedal is correct. When it's very high, the compression gets a bit strange due to threshold level not being on par with the input signal. I noticed this when my EQ before the compression was pushing the levels a bit to much :) My bass has a hot signal, but the Diamond is not bothered by that much. I was also thinking about the Empress, with more options, but I'm very pleased with the simplicity of this pedal. Less tinkering, but 100% good sound.

EDIT - I finally switched to a TC Electronic Spectracomp and it outperforms the Diamond for sure.. It can do ANYTHING you want. Especially the multiband compression makes it so much more uncoloring and more stable and smooth in compression.

I play a 60s Fender Jazz into a Yamaha G100 head into a Glockenklang Tedd cab. No need for changing this...

Roles:

Guitarist Bassist Drummer

Genres:

Electronic Rock Folk, World, & Country

guitarnerd

373

almost 9 years ago

Great compressor for fingerstyle playing

Love how it is user friendly. Intuitive knobs. Transparent sounding compressor and shines with fingerstyle. But the diamond does not offer a spectrum of compression ratio. Issue came when I needed more attack for slap/pop and the diamond was lacking.

Another consideration for potential buyers is that this requires 18V power. The power adapter that was bundled with this unit was faulty and I couldn't pass it to my friends to try (as they didn't have a suitable power supply). There's no battery compartment. This takes up some space on a pedaltrain mini. I use a Roscoe SKB (Ash body + maple neck) with 18V active preamp.

Roles:

Singer Guitarist Bassist

Genres:

Rock Pop Pop rock