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Average Price: $2,199

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$801+

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Based on price data from 1 merchant for "Dr. Z Octal Six 28-Watt Guitar Amp Head". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Discover the magic behind the Dr. Z Octal Six 28-Watt Guitar Amp Head, a dynamic collaboration between Dr. Z and legendary musician Joe Walsh that redefines tube amplification. This amp head blends vintage charm with modern innovation, offering guitarists a unique tonal palette. At its heart lies an all-octal tube design, featuring 6SL7 and 6SN7 tubes in the preamp, paired with 7591 power tubes. These elements combine to deliver a harmonically rich sound that echoes the classic tweed-style amplifiers while enhancing clarity and definition.

The Octal Six’s single-channel design is deceptively simple yet incredibly versatile, equipped with a 3-band EQ, Volume, and Master Volume controls. This configuration allows players to sculpt their sound with precision, from crystal-clear cleans to warm, compressed overdrive. A standout feature is the post-phase-inverter Master Volume, enabling you to attain powerful, saturated tones even at lower volumes, making it ideal for both stage and home use.

To further enhance your playing experience, the amp includes a Zero-Loss FX loop, ensuring seamless integration of your favorite stompboxes without compromising the amp's pristine tone. Wrapped up in a robust, vintage-inspired housing, the Octal Six is not just an amplifier; it’s a testament to Dr. Z’s commitment to quality and innovation in the world of guitar amplification.

Key Features:

  • 28-watt single-channel tube amp head
  • All-octal tube design with 6SL7 and 6SN7 preamp tubes
  • 7591 power tubes for rich, dynamic sound
  • 3-band EQ, Volume, and Master Volume controls
  • Post-phase-inverter Master Volume for tone versatility
  • Zero-Loss FX loop for seamless pedal integration
  • Vintage-spec Heyboer output transformer

Product specs

Type Tube
Number of Channels Single
Output Power 30W
Preamp Tubes 1 x 6SL7, 1 x 6SN7
Power Tubes 2 x 7591
EQ 3-band EQ
Inputs 2 x 1/4"
Outputs 1 x 1/4" (8 ohms)
Effects Loop Metro "Zero-Loss" FX loop
Bias Type Cathode
Power Source Standard IEC AC cable
Height 9.75"
Width 19"
Depth 9.5"
Weight 26 lbs.

FAQs

What kind of tone can I expect from the Dr. Z Octal Six 28-Watt Guitar Amp Head?

The Dr. Z Octal Six delivers a rich, warm tube tone with a focus on clarity and dynamic response, making it suitable for genres like blues, jazz, and classic rock.

Does the Dr. Z Octal Six work well with pedals?

Yes, the Dr. Z Octal Six features a Metro "Zero-Loss" FX loop, which is designed to integrate seamlessly with your pedalboard, maintaining the integrity of your effects.

Is the Dr. Z Octal Six 28-Watt Guitar Amp Head loud enough for live performances?

With its 30-watt output, the Dr. Z Octal Six is capable of delivering sufficient volume for small to medium-sized venues, especially when paired with efficient speaker cabinets.

What type of tubes does the Dr. Z Octal Six use?

The Dr. Z Octal Six uses 1 x 6SL7 and 1 x 6SN7 preamp tubes, along with 2 x 7591 power tubes, contributing to its distinctive vintage tube sound.

How portable is the Dr. Z Octal Six 28-Watt Guitar Amp Head?

Weighing 26 lbs and measuring 19" in width, the Dr. Z Octal Six is relatively compact and portable, making it convenient for gigging musicians.

Visual Guy

Visual Guy

Dr. Z Octal SIX Demo - Did Dr. Z and Joe Walsh just WRECK the Tweed Sound?

Video thumbnail for Dr. Z Octal SIX Demo - Did Dr. Z and Joe Walsh just WRECK the Tweed Sound? by Visual Guy

Dr. Z Octal SIX Demo - Did Dr. Z and Joe Walsh just WRECK the Tweed Sound?

Visual Guy

Visual Guy

Video thumbnail for Joe Walsh's Secret Weapon?  Dr Z Octal 6 Tone Test! by Lance Keltner Music

Joe Walsh's Secret Weapon? Dr Z Octal 6 Tone Test!

Lance Keltner Music

Lance Keltner Music

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