Mesa Boogie California Tweed 6V6 4:40 Head – vintage-inspired tube guitar amp head

The Mesa Boogie California Tweed 6V6 4:40 Head delivers classic American tube tone in a flexible, professional amplifier head format. Powered by 6V6 tubes and equipped with Duo-Class™ and Dyna-Watt™ technologies, it offers five power levels and expressive dynamics with the warmth and character only true tube amps can provide. Perfect for pairing with your favorite cabinet – whether on stage, in the studio, or at home.

Key Features

• Single channel with 3-stage gain structure – smooth control of saturation and response
• Multi-Watt™: choose from 40W, 30W, 20W, 10W, or 2W output
• Duo-Class™ – switchable between Class A and Class AB power modes
• Preamp: 5x 12AX7 + 1x 12AT7
• Power section: 4x 6V6
• 2 Inputs: Normal and Low – for different signal strengths or tonal needs
• Reverb: long tank spring reverb, fully tube-driven, footswitchable (footswitch not included)
• Buffered tube FX loop – seamless integration with your effects chain
• Finish: Cream Bronco tolex with Tan grille – classy and timeless look

Classic tone with modern flexibility

This amp head is a tribute to vintage American tube amps, but with the advanced features Mesa is known for. Whether you're playing blues, country, jazz, or classic rock, the California Tweed Head delivers bold cleans, organic breakup, and natural compression from 6V6 tubes – all with responsive controls and modern reliability.

Versatile in any setup

Thanks to its head format, you can pair it with any guitar cabinet – 1x12, 2x12, or 4x12 – to create the perfect rig for your sound and venue. From 2W bedroom tones to full 40W stage output, the tonal character remains clear, dynamic, and expressive at every setting.

Technical Specifications

• Power: 40W / 30W / 20W / 10W / 2W (Multi-Watt™, Duo-Class)
• Preamp tubes: 5x 12AX7, 1x 12AT7
• Power tubes: 4x 6V6 (Class A / AB)
• Rectifier: 1x 5U4GB (tube)
• Inputs: Normal and Low
• Reverb: long tank spring, tube-driven, footswitchable
• FX Loop: yes – buffered and tube-powered
• Dimensions (H x W x D): 24.5 × 57.8 × 26.4 cm
• Weight: 13.6 kg
• Hand-built in Petaluma, California, USA

Included in the box

• Mesa Boogie California Tweed 6V6 4:40 Head
• Power cable
• User manual

Who is it for?

This amp is made for players who demand vintage tone, modern features, and the flexibility to pair with any cabinet. Whether you're a professional or tone-purist enthusiast, the California Tweed 6V6 Head is a reliable, inspiring tool for the stage, studio, or home.