Photo of Sunn Concert Bass and more gear in a pedalboard, guitar, and amplifier

Sunn Concert Bass

^# 74

Equipboard's ranking is determined by analyzing factors such as professional artist usage, popularity, user ratings, reviews, and more.

$600.00 Price Tier: Standard

5.0 (1)

1 Review

This product is Vintage or Discontinued

Find out who is using Sunn Concert

2 community setups

4 wishlisted

14 saved

Page last updated Jun 28, 2026

Pricing and availability

We compare 600+ stores and found this item at 1 store. Prices updated June 28, 2026.

Store

Reviews

Price

5.0 (8)

$600.00 3 available Used

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Average Price: $600

Standard/Professional

$200

$801+

Price Tier

In the Bass Amplifier Heads category, Sunn Concert Bass is priced in the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

Budget

Standard

High-end

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Description

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The Sunn Concert Bass amplifier head is a classic choice for bassists seeking robust performance and vintage tone. Revered for its iconic design and reliability, this amplifier head delivers powerful sound that has been a staple in the music industry since its introduction in the 1970s. Perfect for both studio sessions and live performances, the Sunn Concert Bass harnesses a solid-state architecture that offers consistent output and minimal maintenance.

With its straightforward layout, this amp head is designed to be user-friendly, allowing musicians to easily dial in their desired sound. The Sunn Concert Bass features a unique tone control system, providing a wide range of tonal possibilities that cater to various musical styles. Whether you're playing rock, jazz, or funk, this amplifier head's versatile sound shaping capabilities ensure that your bass tones are always rich and defined.

Musicians appreciate the Sunn Concert Bass for its high output power, making it suitable for larger venues where projection and clarity are paramount. The amp head's construction is rugged and road-ready, ensuring it can withstand the rigors of touring while maintaining its exceptional performance.

Key Features:

Solid-state design for reliable performance
Unique tone control system for versatile sound shaping
High output power suitable for large venues
Durable construction for road-readiness
Revered for vintage tone and iconic design

Videos

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ShaolinLambKiller

Sunn Concert Bass on Peavey 3620

ShaolinLambKiller

Sunn の Concert Bass を鳴らしてみましょ

四畳半音楽処まぜまぜ亭

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 Sunn Concert Bass.

Features and functionality

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The brite input channel has a treble bypass cap for enhanced high frequencies, while the brite switch adds treble at a different point in the signal chain.
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The interstage transformer in the Concert Bass functions as a phase inverter, enabling identical power output at 4 or 8 ohms, contributing to its unique overdrive quality.
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Comparisons

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Hilbish Beta amps and preamps are noted as the only modern replicas of old Sunn solid state amps.
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Modern alternatives recommended include MarkBass and Ampeg amps with class D technology for reliability and ease of repair.
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The Concert Bass is recommended over the Sonaro for stoner rock due to its volume and low-end capability, potentially requiring two units for optimal performance.
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The GK Fusion 550 is suggested as an alternative for heavy music, praised for its overdrive quality and volume, often available used for less than $900.
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User experience

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Users appreciate the amp for its loudness and rich character, especially when paired with fuzz or dirt effects.
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Setup and maintenance

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Finding parts for the Sunn Concert Bass can be challenging, making maintenance more difficult compared to newer models.
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The transistors in the Concert Bass power section can leak current over time, leading to overheating resistors, which may require a technical overhaul.
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