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Average Price: $2,400
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$300
$801+
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Based on price data from 4 merchants for "Blackstar 100 Series One MK2 100-watt Tube Amplifier Head". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
For guitarists seeking a blend of raw power and tonal precision, the Blackstar 100 Series One MK2 100-watt Tube Amplifier Head is a game-changer. This amp head builds on Blackstar's iconic Series One lineage, renowned for its high-gain overdrive channels, offering the modern metal guitarist an expansive tonal palette and uncompromising durability. With four footswitchable channels—Clean, Crunch, OD 1, and OD 2—each designed to capture the essence of your music, you can effortlessly switch between searing leads and rich, clean tones. The inclusion of Blackstar's patented ISF (Infinite Shape Feature) allows you to sculpt your sound from American grit to British warmth with intuitive ease.
A standout feature of the Series One MK2 is its Dynamic Power Reduction (DPR), which lets you harness the amp's full tube-driven character at any volume, from a thunderous 100 watts down to a manageable 10 watts. This makes it versatile enough for both stage performances and home practice sessions. Furthermore, its rugged construction, featuring a 1.6mm steel chassis and finger-jointed birch ply cabinet, ensures it can endure the road's rigors without missing a beat.
Whether you’re recording in the studio or performing live, the Series One MK2 seamlessly integrates into any setup with its MIDI functionality and speaker-emulated outputs. This amp head is engineered for guitarists who demand both power and flexibility, making it the ultimate tool for those who refuse to compromise on their sound.
Key Features:
- 100-watt tube head with Dynamic Power Reduction down to 10 watts
- Four footswitchable channels: Clean, Crunch, OD 1, OD 2
- ISF control for tonal customization from American to British sounds
- Dual 3-band EQs and dual ISF controls for versatile tone shaping
- MIDI-capable with 5-pin MIDI Thru/In jacks
- Speaker-emulated outputs for silent recording
- Rugged 1.6mm steel chassis and finger-jointed birch ply cabinet
- Effects loop with built-in pad for stompbox integration
- Over 30 circuit modifications for enhanced performance and tone
Product specs
| Type | Tube |
| Number of Channels | 4 |
| Output Power | 100W RMS (10W setting) |
| Preamp Tubes | 4 x 12AX7, 1 x 12AU7 |
| Power Tubes | 4 x 6L6 |
| EQ | 2 x 3-band EQ, 2 x ISF control, Resonance, Presence |
| Inputs | 1 x 1/4" (instrument) |
| Outputs | 2 x 1/4" (4 ohms, 8 ohms, 16 ohms), 1 x 1/4" (emulated out), 1 x XLR (emulated out) |
| Effects Loop | Yes |
| MIDI I/O | 2 x 5-pin DIN (In, Thru) |
| Footswitch I/O | 1 x 9-pin DB45 (channel) |
| Footswitch Included | Yes, Blackstar FS-3 footswitch |
| Construction Material | Black Tolex, 1.6mm Seam Welded Steel Chassis |
| Power Source | Standard IEC AC cable |
| Height | 10.82" |
| Width | 27.55" |
| Depth | 10.51" |
| Weight | 48.28 lbs. |
FAQs
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What are the core tonal characteristics of the Blackstar 100 Series One MK2 amplifier?
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The Blackstar 100 Series One MK2 offers a versatile tonal palette, with four channels that deliver everything from pristine cleans to aggressive overdrives. The ISF control allows you to shape the amp's response from British to American voicings, making it adaptable for various genres.
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Is the Blackstar 100 Series One MK2 suitable for live performances?
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Yes, the Blackstar 100 Series One MK2 is well-suited for live performances with its powerful 100-watt output and robust construction. It also features an emulated output for direct connection to PA systems, making it versatile for different stage setups.
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Does the Blackstar 100 Series One MK2 work well with guitar pedals?
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The amplifier includes an effects loop, allowing you to integrate your favorite pedals seamlessly. Its clean channel provides a solid foundation for pedal use, and the amp's robust power section handles effects well, maintaining clarity and dynamic range.
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Can the output power of the Blackstar 100 Series One MK2 be adjusted?
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Yes, the Blackstar 100 Series One MK2 features a power reduction option that allows you to switch from 100 watts to 10 watts. This feature makes it suitable for both large venues and smaller practice environments without compromising tone.
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What kind of footswitch comes with the Blackstar 100 Series One MK2?
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The Blackstar 100 Series One MK2 includes the Blackstar FS-3 footswitch, which enables convenient channel switching during performances, enhancing your control over the amp's versatile sound options.
Videos
Blackstar Amplification
Introducing the Series One MK II | Blackstar Amps
Reviews
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Blackstar 100 Series One MK2 100-watt Tube Amplifier Head.
Build quality
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The use of surface mount parts in Blackstar amps can complicate repairs; if a board fails and is discontinued, a replacement is costly and may be unavailable.
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Comparisons
Features and functionality
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The HT series has two voiced clean channels: one Fender-style for clean tones, and another Vox-style that breaks up earlier, offering tonal versatility.
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S1 amps include MIDI control and a unique DPR that adjusts headroom/compression on a knob, unlike HT MKII's fixed power settings.
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The Dynamic Power Reduction (DPR) feature doesn't seem to affect volume stability issues according to some users' experiences.
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Use cases and applications
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The Blackstar Series One MK2 100-watt head is favored for stereo and wet/dry rig setups, allowing experimentation with sound dynamics.
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User experience
Mods and upgrades
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Swapping speakers in Blackstar cabs with higher-quality alternatives from other brands significantly enhances sound quality for many users.
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Value and pricing
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S1 amps have poor resale value, making them affordable on the used market despite being discontinued.
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Critic Reviews
Based on 0 Reviews and 0 Ratings
Artist usage
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In the video "Paddling | Squid at SXSW Online 2021," Louis Borlase is shown using the Blackstar 100 Series One MK2 100-watt Tube Amplifier Head at 0:21, and it can be seen again paired with the Blackstar 4x12 cab at 2:46. The performance is part of the British Music Embassy showcase at SXSW, as documented by SXSW on YouTube.
Genre Usage
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Used With
Based on how musicians on Equipboard use Blackstar 100 Series One MK2 100-watt Tube Amplifier Head, it is most commonly used with the following gear.
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