Pricing and availability
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Average Price: $2,036
High-end/Boutique
$300
$801+
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Price History
Based on price data from 5 merchants for "Mesa/Boogie California Tweed 6V6 4:40 Tube Head". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Immerse yourself in the history of rock 'n roll with the Mesa/Boogie California Tweed 6V6 4:40 Tube Head. Drawing inspiration from the '50s Tweed circuits and '60s refinements by Randall Smith, this tube head delivers a vintage, organic tone with smooth transitions from clean to clipped. The single-channel simplicity offers a myriad of controls for a customizable sound experience.
The normal and low inputs, along with gain, treble, mid, bass, presence, reverb, and master controls, allow you to shape your sound with precision. The all-tube, long-tank, spring reverb, and fully buffered, tube-driven series FX loop add dimension and depth to your tone. With the Mesa’s Patented Incremental Multi-Watt power amp featuring Duo-Class and Dyna-Watt technologies, you have access to five power, two operating class, and three wiring options all via a single 5-way power switch!
The Mesa/Boogie California Tweed 6V6 4:40 Tube Head brings tweed-based performance and authentic 6V6 character to the modern day, while paying homage to the roots of rock 'n roll's golden era.
Key Features:
- Single-channel, all-tube head amplifier for a vintage sound
- Normal and low inputs, gain, treble, mid, bass, presence, reverb, and master controls for sound customization
- All-tube, long-tank, spring reverb with external reverb switching jack for added depth and dimension
- Fully buffered, tube-driven series FX loop for seamless integration with pedals and processors
- Mesa’s Patented Incremental Multi-Watt power amp featuring Duo-Class and Dyna-Watt technologies with five power, two operating class, and three wiring options
- 40 watts - 4 x 6V6 Class A/B Pentode; 30 watts - 2 x 6V6 Class A/B Triode + 2x6V6 Class A/B Pentode; 20 watts - 2 x 6V6 Class A/B Pentode; 10 watts - 2 x 6V6 Class A/B Triode; 2 watts - 1 x 6V6 Triode + 1x6V6 Pentode, Single-ended Class A Parallel.
Product specs
| Brand | Mesa Boogie |
| Model | California Tweed 6V6 4:40 40-Watt Guitar Amp Head |
| Finish | Various |
| Year | 2019 - 2025 |
| Made In | United States |
| Categories | Guitar Heads |
| Built-In Effects | Built-In Effects |
| Electronics | Tube |
| Impedance | 4 ohms, 8 ohms |
| Number of Channels | 1 Channel |
| Number of Inputs | 2 Inputs |
| Output Power (Watts) | 40 |
| Power Tube Type | 6V6 |
| Reverb | Spring Reverb |
FAQs
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What kind of tones can I expect from the Mesa/Boogie California Tweed 6V6 4:40 Tube Head?
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The Mesa/Boogie California Tweed 6V6 4:40 Tube Head delivers a classic American clean tone with rich harmonic overtones and a creamy overdrive when pushed. It excels in producing vintage-inspired sounds ideal for blues, rock, and country genres.
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Is the Mesa/Boogie California Tweed 6V6 4:40 Tube Head suitable for gigging?
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Yes, with its 40-watt output, the Mesa/Boogie California Tweed 6V6 4:40 Tube Head provides enough power for live performances, offering both clean headroom and dynamic response to suit various venues.
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Does the Mesa/Boogie California Tweed 6V6 4:40 Tube Head have built-in effects?
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Yes, this amplifier head features built-in spring reverb, adding depth and dimension to your sound, which is ideal for creating lush, ambient tones.
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How does the Mesa/Boogie California Tweed 6V6 4:40 Tube Head handle pedals?
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The Mesa/Boogie California Tweed 6V6 4:40 Tube Head is known for its pedal-friendly nature, offering a clean platform that works well with a variety of effects pedals, maintaining clarity and warmth.
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What are the connectivity options for the Mesa/Boogie California Tweed 6V6 4:40 Tube Head?
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This amp head includes two inputs and supports 4 and 8-ohm impedance, allowing for flexible speaker cabinet pairing and accommodating different playing setups.
Videos
MESA/Boogie
MESA/Boogie California Tweed™ 6V6 4:Forty Multi-Watt Comparison
Reviews
PROS
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Exceptional clean and low gain tones
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Highly responsive to touch and guitar volume adjustments
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Great pedal platform, enhancing versatility
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Offers unique "chewy" gain sound in 20 watt mode
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Sufficient power and headroom for live gigs
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Tight and focused bass, warm smooth gain
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Remarkable tube-powered spring reverb
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Five power modes provide tonal versatility
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Quality construction, despite not being fully hand-wired
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Aesthetically pleasing design
CONS
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Not suitable for mid to high gain preferences
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Misunderstandings about its capabilities due to misleading reviews
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Some may find the mix of PCB and hand-wiring less appealing
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Power modes considered "gimmicky" by some users
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Mesa/Boogie California Tweed 6V6 4:40 Tube Head.
Use cases and applications
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The amp can achieve an edge-of-breakup sound easily in the 2 or 10-watt modes, ideal for those seeking growling clean tones.
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A custom-made oak stand is used to elevate the amp, addressing bass-heaviness and adding aesthetic value. Detailed instructions for building similar stands are shared among users.
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Owners use the amp with UAX amp-in-a-box pedals for additional sound versatility, covering a range of tones from Marshall to Vox.
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Value and pricing
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One owner was surprised by the low asking price, suggesting the deal was exceptionally favorable for this amp model.
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User experience
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Owners report the amp can sound incredibly bassy and dark with certain settings, especially when used with single coils and at low master volume levels.
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Some owners find the amp overly bass-heavy at higher volumes, suggesting the use of a stand and carpet to mitigate this issue.
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The amp’s ability to attenuate wattage is appreciated for its versatility, allowing it to sound great at both low and high volumes.
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The California Tweed 6V6 4:40 is noted to be heavy, which can be a consideration for those frequently moving the amp.
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Users appreciate that the amp can achieve breakup on the 2-watt setting without disturbing neighbors, offering versatile sound control.
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Build quality
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The amp uses a Jensen Jet series Alnico Special Edition speaker, specifically the Blackbird model, contributing to its unique tonal characteristics.
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The amp is handwired, and owners note the high quality of materials and attention to detail, justifying its higher price point.
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Mesa sells replacement parts, including potentiometers, with part numbers available in the owner's manual, allowing for easier self-repair.
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Comparisons
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Some find the California Tweed significantly superior to both the Roland Blues Cube and EVH 5150 in clean tones, describing it as being in "a completely different universe."
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The amp is noted for not having background hisses or picking up radio signals, unlike some Fender models like the Blues Jr.
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Features and functionality
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