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Bogen Model 20 Challenger PA head

Bogen Model 20 Challenger PA head

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Find out who is using Bogen Challenger Model 20

Butch Walker

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Page last updated Aug 10, 2025

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Description

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Unleash the timeless power of vintage sound with the Bogen Model 20 Challenger PA head, a classic piece of audio equipment that has stood the test of time. Originally designed for public address systems, this versatile unit is now celebrated among musicians for its unique tonal qualities and robust performance. The Challenger PA head employs a dual-channel tube circuit, offering a warm and rich audio output that modern digital equipment struggles to replicate.

Whether you're after that nostalgic, old-school vibe for your next gig or looking to add a vintage touch to your studio recordings, the Bogen Model 20 delivers with authenticity and reliability. The vacuum tube technology at its core ensures a smooth, natural sound, perfect for capturing the nuances of live instruments and vocals. Its straightforward design makes it user-friendly, while its rugged construction ensures durability.

This PA head is not just for nostalgia buffs. Its two-channel capability provides flexibility, allowing you to blend and shape your sound with ease. Connect your instruments and microphones confidently, knowing that the Bogen Model 20 is built to handle diverse audio setups.

Key Features:

Dual-channel tube circuit for warm, vintage sound
Vacuum tube technology for smooth audio output
Rugged construction for long-lasting durability
Suitable for both live performances and studio recordings
Versatile connectivity options for instruments and microphones

Videos

John Summers

1959 Bogen Challenger CHA-20 .wmv

Video thumbnail for 1959 Bogen Challenger CHA-20 .wmv by John Summers

1959 Bogen Challenger CHA-20 .wmv

John Summers

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Artist usage

See how Butch Walker uses Bogen Model 20 Challenger PA head

Butch Walker

Guitarist, Singer

Train

Verified via Vintage Guitar® magazine

Walker calls this Bogen Model 20 Challenger PA head, “a weird little amp that looks like it belongs in the principal’s office in Grease.” He’s especially fond of its overtones and natural distortion. Uses 6V6GT tubes.

Genre Usage

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

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Based on how musicians on Equipboard use Bogen Model 20 Challenger PA head, it is most commonly used with the following gear.

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