Amphion One18
The Amphion One18 brings studio-monitor neutrality to serious home listening, pairing a titanium tweeter and passive-radiator loading with an accurate, linear balance. 6 Moons highlights its uncoloured, faithful character—an enticing proposition for listeners who prize revealing mids, even treble and mixing-room honesty over added warmth.
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Nicely Roasted
Sound Quality
83/100
Build Quality
80/100
Value for Money
85/100
Pros
Accurate, uncoloured and linear tonal balance suits faithful, monitor-style listening.
Professional-monitor voicing brings a revealing, neutral presentation to home audio.
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What Reviewers Are Saying
SOUND QUALITY PERFORMANCE 83/100
The available review characterises the One18 as an accurate, uncoloured and linear professional-style monitor. It provides little detail on individual frequency ranges, imaging or dynamic behaviour, so those aspects remain less fully documented.
Bass
80/100
The review does not specifically discuss bass extension, punch, texture or control. The 6.5-inch woofer and passive-radiator design suggest useful low-end capability on paper, but no listening evidence is provided here.
Mid
87/100
The reviewer calls the presentation accurate, uncoloured and linear, qualities that point to a clean, faithful midband. There is no more detailed discussion of vocal warmth, density or timbral character.
Treble
84/100
The description of a linear, uncoloured monitor balance supports a refined and even-handed upper range. The review does not directly address treble air, sparkle, brightness or long-term fatigue.
Soundstage Imaging
80/100
The available review says little about image placement, stage width, depth or the speaker's ability to disappear in a room. Its professional-monitor intent may appeal to listeners seeking precision, but spatial performance is not directly assessed.
Dynamics
80/100
No specific observations are offered on macro-dynamic scale, transient attack or composure at high volume. The review's concise verdict focuses on tonal accuracy rather than musical punch or headroom.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Quality
80/100
The supplied information identifies the One18 as handmade in Finland and specifies a passive-radiator two-way design, but the review does not evaluate cabinet finish, resonance control, terminals or component quality. Long-term construction quality is not discussed.
Value for Money
85/100
At $3,600, the One18 sits in a premium stand-mount category. The available review does not compare it with similarly priced rivals or offer a clear judgment on whether its professional-monitor focus justifies the asking price.
Reviews & Sources
Professional reviews and sources for this product's Watt'n Potatoes analysis.
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Specifications
- Operating principle
- Two-way, passive radiator
- Drivers
- 1″ titanium tweeter 6½” aluminum woofer
- Crossover point
- 1600 Hz
- Impedance
- 8 Ω
- Sensitivity
- 85 dB @ 2.83V/1m
- Frequency response
- 45 – 20 000 Hz +/-3dB
- Power recommendation
- 100 – 350 W
- MeasurementsH x W x D
- 380 x 190 x 305 mm 14.96″ x 7.5″ x 12″ Connectors add 39 mm / 1.54″ to depth
- Weight
- 10 kg (22 lbs)
- Specification
- Handmade in Finland
Manufacturer's Description — Amphion
Nearfield studio monitor
Amphion One18 is a trusted all-rounder and most widely used of our studio monitors. Their revealing, flat, yet pleasant character make them highly usable for all sound-making tasks in a wide variety of rooms and setups.
Unique highlights
Industry leading translation
Trusting what you hear builds confidence, ensures better results and raises productivity. Amphion monitoring allows focusing on things that count which saves time and helps meet the ever tightening deadlines.
Pinpoint imaging
Due to their phase coherence and pinpoint imaging, Amphion monitors translate precisely to any playback device, as they allow you to correctly reproduce information in all planes including width, height, and depth.
DSP-free acoustic purity
Amphion’s advanced acoustic design minimizes electric clutter. Electrical purity allows harnessing the full power of latest signal processing devices, room-correction and other types of advanced software.
Point-source sound
Lowering the crossover point allows the speakers to operate in point-source manner. This leads to industry leading phase coherence and pinpoint imaging.
Time-aligned drivers
Timing properties between the various drivers are improved as the waveguide aligns the voice coils of the tweeter and the woofer to the same level.
Low volume, high intensity
Easy to place and well-performing even under challenging acoustics. Clear and memorable even on lower listening volumes. Thanks to even dispersion, enjoyment is not limited to a single seat.
Verified Dealers
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Authorized dealers for Amphion One18
- 110Hz — online and in-store — Kielce, Województwo świętokrzyskie, Poland (website)
- Acton Gate Audio — online and in-store — Cymru, United Kingdom (website)
- Alen Audio — in-store — Extramurs, Comunidad Valenciana, Spain (website)
- All Elite Audio — online and in-store — Perry Hall, Maryland, United States (website)
- Alma Music & Audio — online and in-store — San Diego, California, United States (website)
- Alpha High End — online and in-store — Brasschaat, Vlaams Gewest, Belgium (website)
- Audio Magic - EU — online and in-store — Wola, Województwo mazowieckie, Poland (website)
- Audio Vision San Francisco — online and in-store — San Francisco, California, United States (website)
- Audiocompagniet — online and in-store — Odense C, Denmark (website)
- audioconcept — in-store — Frei-Laubersheim, Rheinland-Pfalz, Germany (website)
and 38 more verified dealers