Pricing and availability

We compare 600+ stores and found this item at 1 store. Prices updated .

Average Price: $745

Standard/Professional

$599

$2000+

Price Tier

Budget

Standard

High-end

Price History

Based on price data from 1 merchant for "A Designs KGB-Itf Single Channel Instrument Preamplifier". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

* Product prices and availability are updated by Equipboard every 24hrs and are subject to change. Equipboard may receive compensation for purchases made at participating retailers linked on this site. This compensation does not affect what products or prices are displayed, or the order of prices listed. For more information, please refer to our affiliate disclosure.

Description

Elevate your sound with the A-Designs Audio KGB-Itf Single Channel Instrument Preamplifier, a game-changer for musicians and studio engineers alike. Tailored specifically for high-impedance, unbalanced instruments such as guitars, basses, and electronic keyboards, this preamp ensures every nuance of your performance is captured with clarity and precision. Unlike standard preamps, the KGB-Itf’s high-voltage, discrete op-amps offer an unparalleled audio experience, delivering rich harmonics and dynamic response that truly stand out.

Crafted with care and precision, the KGB-Itf features Cinemag, Inc. balanced output transformers that guarantee exceptional signal integrity. Its solid-state architecture, complemented by a robust all-metal chassis and milled aluminum knobs, speaks to its durability and commitment to high-quality sound. The preamp also comes equipped with balanced XLR gold-pin Neutrik outputs and Switchcraft 1/4" input jacks, ensuring seamless connectivity with a variety of gear. Fine-tune your sound to perfection with intuitive tone controls for high, mid, and bass frequencies, while the blue LED power indicator adds a touch of style to its functional design.

Whether you’re in the studio or on stage, the A-Designs Audio KGB-Itf is your reliable partner in creating music that resonates. Its meticulous engineering and attention to detail make it a must-have for any serious musician or sound engineer looking to enhance their audio setup.

Key Features:

  • Designed for high-impedance, unbalanced instruments
  • High-voltage, discrete op-amps
  • Cinemag, Inc. balanced output transformers
  • Solid-state single-channel unit
  • All-metal chassis with milled aluminum knobs
  • Balanced XLR gold-pin Neutrik outputs
  • Switchcraft 1/4" input jacks
  • Tone controls for high, mid, and bass frequencies
  • Blue LED power indicator

Product specs

Brand A-Designs Audio
Model KGB-Itf Single Channel Instrument Preamplifier
Year 2010s
Made In United States
Categories DI Boxes

FAQs

What instruments can the A-Designs Audio KGB-Itf preamplifier be used with?

The A-Designs Audio KGB-Itf preamplifier is designed for use with electric guitars, bass guitars, and other electric instruments, providing a high-quality signal boost for recording or live performance.

Does the A-Designs KGB-Itf preamplifier have tone-shaping capabilities?

Yes, the A-Designs KGB-Itf features a three-band fixed frequency tone filter with 12dB cut/boost for high, mid, and low frequencies, allowing for precise tone shaping.

How does the gain select switch on the KGB-Itf preamplifier function?

The gain select switch on the KGB-Itf allows you to choose between high and low gain settings, enabling you to match the preamp's output to your instrument's signal level for optimal performance.

What is the purpose of the phase reverse switch on the A-Designs KGB-Itf?

The phase reverse switch on the A-Designs KGB-Itf preamplifier helps correct phase issues that may occur when using multiple microphones or when connecting to other equipment, ensuring a coherent audio signal.

Can the A-Designs KGB-Itf preamplifier be used in a studio environment?

Yes, with its balanced, line-level +4dB output and low noise floor, the A-Designs KGB-Itf is well-suited for studio applications, providing clean and accurate signal amplification.

Peter Montessi

Peter Montessi

KGB-1tf and KGB-II

Video thumbnail for KGB-1tf and KGB-II by Peter Montessi

KGB-1tf and KGB-II

Peter Montessi

Peter Montessi

Reviews

Critic Reviews

A-Designs KGB Instrument Preamplifiers

barryrudolph.com

A-Designs Audio KGB-Itf Single Channel Instrument Preamplifier offers musicians a robust and versatile solution for studio and live settings. With its warm, big line-level sound, and seamless integration with various instruments, it's a standout choice for those looking to simplify their setup without sacrificing quality. The preamp excels in producing clear, dynamic audio, especially enhancing bass guitar and electric guitar tones. However, its bulky build and the lack of center detents on the tone controls could be drawbacks for some users. Overall, it's a solid investment for studios and musicians who value sound clarity and simplicity.

positive

New Gear Review: A-Designs Audio KGB Instrument Preamplifiers - Music Connection Magazine

musicconnection.com

Based on 0 Reviews and 0 Ratings

5 star
4 star
3 star
2 star
1 star

More A Designs Preamps

A Designs P-1

$900.00

# 64

Rank

Ludwig Göransson Hainbach
2 artists using
Avalon VT-737SP

$2,250.00 - $4,168.00

# 1

Rank

Matthew Bellamy Skrillex Ed Sheeran
106 artists using
API 512c

$835.38 - $968.00

# 2

Rank

Kevin Parker Jack White Ray Toro
33 artists using
AMS Neve 1073

$3,205.39 - $4,115.00

# 4

Rank

Billie Joe Armstrong Kevin Parker John Mayer
86 artists using
Focusrite ISA One

$511.00 - $699.99

# 5

Rank

Mac DeMarco Lil Peep Bonobo
10 artists using
Universal Audio 4-710D

$1,750.00 - $1,999.00

# 6

Rank

Ray Toro Dijon Oneohtrix Point Never
10 artists using
AMS Neve 1073LB

$933.00 - $1,285.00

# 7

Rank

Chris Martin Lorn Manny Marroquin
14 artists using
AMS Neve 1073DPA

$1,950.56 - $2,830.00

# 8

Rank

Steven Wilson Avicii Matt Berry
12 artists using
Radial Tonebone PZ-Pre

$333.00 - $464.00

# 9

Rank

Chris Cornell James Taylor Masaru Teramae
11 artists using
Rupert Neve Designs 511

$769.00 - $849.00

# 10

Rank

Josh Dun Oliver Ackermann Bibio
5 artists using
AMS Neve 1073 SPX Preamp / EQ

$1,645.00 - $2,095.00

# 11

Rank

Geddy Lee Keshi Andy Morin
9 artists using
Warm Audio WA73-EQ

$729.00 - $899.00

# 12

Rank

George Clanton Josh Turner nothing,nowhere.
6 artists using
Focusrite ISA Two

$795.00 - $999.99

# 14

Rank

Frank Ocean Yuki Kajiura Sick Individuals
3 artists using
ART Tube MP

$45.00 - $129.99

# 17

Rank

Mac McCaughan Tobin Sprout Andre .S
5 artists using
Audient ASP880

$766.84 - $1,799.99

# 18

Rank

Tim Henson beaux Alex Rüdinger
5 artists using
Great River ME-1NV MIC PREAMP

$960.00 - $1,435.00

# 21

Rank

Andy Schichter Matt Didemus
2 artists using
Art Tube MP Project Series

$143.00 - $169.00

# 22

Rank

mndsgn James Petralli Mirrored Theory
3 artists using
ART Pro MPA II

$492.00 - $579.00

# 24

Rank

Josh Turner Ivan Julian Zac Tiessen
3 artists using
Warm Audio WA12

$230.00 - $449.00

# 25

Rank

George Clanton Jonwayne
2 artists using
Vintech Audio X73i

$1,200.00 - $1,375.00

# 26

Rank

Joe Bonamassa Kashiwabara Yuzuru Headscan
3 artists using
Warm Audio TB12 Tone Beast

$549.00 - $699.00

# 28

Rank

Mandrax Icon
1 artist using
API 3124+

$2,507.72

# 30

Rank

Aphex Twin Toru Kitajima Hozier
17 artists using

Accessories & Related Items

Artist usage

Community setups

Similar

Gear Guides