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Average Price: $2,232
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$300
$801+
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Based on price data from 1 merchant for "Dr. Z MAZ 18 Junior NR MKII 18-Watt Guitar Amp Head". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
The Dr. Z MAZ 18 Junior NR MKII 18-Watt Guitar Amp Head is a powerhouse of tone, meticulously crafted for the discerning guitarist seeking both vintage vibes and modern versatility. This amp head stands as a testament to the art of amplification, combining the classic American clean tones with the chime and grit of overdriven British amps. Whether you're in the studio or on stage, the MAZ 18 Junior NR MKII delivers a sonic experience that is both profound and dynamic.
With a quartet of 12AX7 preamp tubes and a pair of 6N14N power tubes, this amp offers a rich palette of rock 'n' roll tones. The inclusion of a tube rectifier ensures a vintage feel, providing that sought-after response and sag that tube aficionados crave. Moreover, the expertly placed master volume control, positioned after the phase inverter, allows for maximum tube saturation even at lower volumes, maintaining tonal integrity without sacrificing power.
The MAZ 18 Junior NR MKII is pedalboard-friendly, featuring a buffered effects loop that integrates seamlessly with your effects, ensuring clarity and definition across your entire signal chain. Whether you're layering delays or driving your signal with boosts, this amp has you covered. Additionally, the included EQ-bypass footswitch offers instant tonal transformation, pushing your sound into new, expressive territories.
Key Features:
- 18-watt tube amplifier head
- Master volume control placed post-phase inverter
- Equipped with 12AX7 and 6N14N tubes for diverse tonal options
- Buffered effects loop for seamless pedal integration
- Outputs for 4-, 8-, and 16-ohm speaker cabinets
- Includes EQ bypass footswitch for on-the-fly tone shifts
Product specs
| Type | Tube |
| Number of Channels | Single |
| Output Power | 18W |
| Preamp Tubes | 3 x 12AX7 |
| Power Tubes | 2 x 6N14N (EL84 power), 1 x 5AR4 (rectifier) |
| EQ | 3-band EQ |
| Inputs | 2 x 1/4" (Hi/Lo) |
| Outputs | 3 x 1/4" (4/8/16 ohms) |
| Effects Loop | Yes |
| Footswitch I/O | 1 x 1/4" (EQ bypass boost) |
| Footswitch Included | Yes, 1-button footswitch with variable level control |
| Bias Type | Cathode Biased |
| Features | Cathode biased |
| Construction Material | Italian Poplar with Black Tolex |
| Power Source | Standard IEC AC cable |
| Height | 9.75" |
| Width | 19" |
| Depth | 9.5" |
| Weight | 32 lbs. |
FAQs
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What type of music is the Dr. Z MAZ 18 Junior NR MKII suitable for?
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The Dr. Z MAZ 18 Junior NR MKII is versatile, excelling in genres like rock, blues, and country. Its 18-watt tube power delivers rich, dynamic tones that handle both clean and overdriven sounds effectively.
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Does the Dr. Z MAZ 18 Junior NR MKII have an effects loop?
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Yes, the Dr. Z MAZ 18 Junior NR MKII features an effects loop, allowing you to integrate your favorite pedals seamlessly into your signal chain.
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How loud is the Dr. Z MAZ 18 Junior NR MKII, and is it suitable for gigging?
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With its 18-watt output, the Dr. Z MAZ 18 Junior NR MKII is loud enough for small to medium-sized gigs, providing ample headroom and clear projection in live settings.
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What is the purpose of the footswitch included with the Dr. Z MAZ 18 Junior NR MKII?
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The included footswitch allows you to engage the EQ bypass boost, offering a volume and tonal lift for solos or dynamic changes during performances.
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Can the Dr. Z MAZ 18 Junior NR MKII handle different speaker cabinet impedances?
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Yes, the amp head has outputs for 4, 8, and 16-ohm speaker cabinets, providing flexibility to match various cabinet configurations.
Videos
Dr Z Amplification
Dr. Z MAZ 18 Mk.II Official Demo with Dave Baker
Dr. Z MAZ 18 Mk.II Official Demo with Dave Baker
Dr Z Amplification
Truly Mazzive Tones - DrZ Maz MKII Amps
Peach Guitars
Dr. Z AMA: "Old MAZ 18 Vs. New MAZ 18 Mk. II"
Dr Z Amplification
Reviews
PROS
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Versatile tones from Fender-esque to Vox and Marshall with effective mid and cut controls
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Strong gain at low volumes, suitable for home and club use
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Excellent build quality with a rock-solid, quiet idle
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Footswitch offers a raw sound option and acts as a great boost
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Enhanced pedal performance with a tube effects loop
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Powerful 18 watts, surprising for its size, works well with various cab setups
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Immediate response with forward sound; great for dynamic playing
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Single-channel simplicity with impressive tonal range
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User-friendly master volume and post phase inverter master volume
CONS
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Lack of onboard reverb might be a drawback for some users
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Dr. Z MAZ 18 Junior NR MKII 18-Watt Guitar Amp Head.
Features and functionality
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Owners highlight the amp's dual boost system: a clean tone bypass with a foot switch and a hi/low input switch for a 3db lead boost.
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The Celestion Alnico Blue speaker enhances touch sensitivity and dynamics, making the amp highly responsive to playing nuances.
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The EQ bypass provides a significant volume boost, which might be excessive for live settings without careful management.
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Mods and upgrades
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Dr. Z offers a post-phase inverter master volume upgrade for older models like the Galaxie, enhancing control and versatility for $259.
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User experience
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Users praise the MAZ 18's exceptional pedal platform capabilities, allowing diverse tone shaping with minimal adjustments in the tone stack.
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A Telecaster paired with this amp results in a bright tone, but the cut knob effectively tames excessive brightness.
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Owners appreciate the lightweight design, making it easier to transport for those with back issues.
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A user plans to potentially replace their DRRI with the MAZ 18 NR, indicating satisfaction with the amp's performance.
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Comparisons
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The G12H30 speaker is noted for its surprising compatibility, even for those who typically prefer Greenbacks, offering a unique tone experience.
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The non-reverb model offers slightly more gain and includes a loop, which some users find more practical than built-in reverb.
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Some players express a preference for the NR head over combo versions, citing personal regret for not choosing it initially.
Source
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Based on how musicians on Equipboard use Dr. Z MAZ 18 Junior NR MKII 18-Watt Guitar Amp Head, it is most commonly used with the following gear.
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