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Gorilla GG-20

Gorilla GG-20

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Find out who is using Gorilla GG-20

Mark Holcomb

Jack Blades

3 wishlisted

7 saved

Page last updated Feb 15, 2026

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Description

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Meet the Gorilla GG-20, a combo guitar amplifier that brings simplicity and versatility to your practice sessions and small gigs. Designed for both beginners and seasoned players, this amp offers a solid-state construction that ensures reliability and consistent sound quality. Its compact design makes it easy to transport, yet it packs enough punch to fill a room with rich tones.

The GG-20 is equipped with a custom 8-inch speaker, delivering crisp highs and deep lows that capture the full spectrum of your guitar's sound. With a user-friendly interface, it features a 3-band EQ to tailor your tone to perfection, allowing you to dial in everything from bluesy warmth to rock crunch. The built-in overdrive channel adds a layer of distortion, making it ideal for various musical styles.

One of the standout features is its headphone jack, making it perfect for private practice without disturbing others. It also includes an auxiliary input, allowing you to jam along with your favorite tracks or backing tracks. The Gorilla GG-20 is your trusty companion for exploring new sounds and honing your craft.

Key Features:

Solid-state construction for reliable performance
Custom 8-inch speaker for a balanced sound
3-band EQ for tonal versatility
Built-in overdrive channel
Headphone jack for silent practice
Auxiliary input for playing along with external audio sources
Compact and portable design

Videos

Travis Raab Guitar

Travis Raab Guitar

Vibrolux Reverb vs. Gorilla! // Vintage Amps Cranked!

Video thumbnail for Vibrolux Reverb vs. Gorilla! // Vintage Amps Cranked! by Travis Raab Guitar

Vibrolux Reverb vs. Gorilla! // Vintage Amps Cranked!

Travis Raab Guitar

Travis Raab Guitar

Video thumbnail for Gorilla GG-20 Why all the hate? by hovercraft Artifact

Gorilla GG-20 Why all the hate?

hovercraft Artifact

hovercraft Artifact

Video thumbnail for Gorilla GG 20 by Surin Vintage

Gorilla GG 20

Surin Vintage

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Gorilla GG-20.

Setup and maintenance

0 0

The amplifier likely uses a 4 Ohm speaker; owners can confirm by measuring about 3 Ohms with an Ohmmeter.
Source
0 0

Owners have reported replacing the output chip multiple times due to failure, particularly noting the headphone jack still works when the main output fails.
Source

Mods and upgrades

0 0

Replacing the speaker may require finding a 4 Ohm model with a whizzer cone, often found in cheaper stereo systems.
Source
0 0

TDA 2030 chip is cited for replacement; use ample thermal compound and high-temp solder to ensure durability.
Source

User experience

0 0

Current owner appreciates the compact design despite initial low expectations, suggesting a positive shift after usage.
Source

Features and functionality

0 0

The original speaker size is 6 1/2 inches, which could be a consideration for finding suitable replacements.
Source

5.0 out of 5

Based on 0 Reviews and 1 Rating

5 star

4 star

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1 star

Artist usage

See how Mark Holcomb uses Gorilla GG-20

Mark Holcomb

Guitarist

Periphery

Verified via YouTube

In this video, we can see he's using a Gorilla GG-20 combo with a Boss MT-2

See how Jack Blades uses Gorilla GG-20

Jack Blades

Singer, Guitarist

Night Ranger

Verified via Photo

An advertisement in 1990 says jack used these amps backstage.

Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

Alternative Metal

Experimental Rock

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See also: Combo Guitar Amplifiers, Gorilla, Gorilla Combo Guitar Amplifiers

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