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Aretai Contra 100S
A precision full-range performer
Designed for smaller and medium-sized rooms, the compact Contra 100S are quite unusual speakers, allowing you to “see” each instrument located right where the recording engineer intended it to be.
The unique and innovative filter design, bi-pole radiation pattern and the closed type enclosure enables Contra 100S two 6” drivers to deliver a surprisingly deep and well-textured bass combined with a coherent midbass and treble balance.
The bass response of this 2.5-way speaker extends down to 30Hz. To eliminate shifted phase summation typical for ported systems of similar size we deliberately designed a sealed enclosure to keep the bass perfectly tight.
Our custom-designed waveguide delivers a soundstage of impressive depth and width. The neodymium tweeter delivers pristine, undistorted clarity up to 25kHz even at higher volume levels.
To give your experience that extra edge, our bi-amping terminal option allows you to use two amplifiers for separate HF/LF amplification paths.
Key features
Coherent near- and far-field soundstage experience
Controlled indirect spectral balance for lifelike reproductionUltra-low distortion drivers and precision components
Bass response optimized for small and medium-sized rooms
Structurally dampened humidity-proof enclosure
6” double-woofer topology for lower bass extension capability
Wider HF dispersion from the proprietary waveguide design
Filter-equalized low-bass extension tuned to 30Hz
Valve-friendly sensitivity and impedance
Dealers selling Aretai near you
The Aretai Contra 100S delivers remarkably tight, deep bass and a surprisingly wide soundstage from a compact sealed 2.5‑way cabinet, pairing crisp, airy highs with a clear, communicative midrange. Reviewers at Audioholics and hi‑fi+ praise its scale and refinement, especially when paired with strong amplification.
Pros
- Unusually deep, controlled bass for a bookshelf monitor, reaching down into the lower octaves with good punch and texture.
- Smooth, highly communicative midrange and extended, non‑fatiguing treble from the ring‑radiator/waveguide tweeter.
- Impressive soundstage depth and precise imaging that belies the cabinet size, creating a three‑dimensional, layered presentation.
- High-quality, well-damped construction and refined finishes with thoughtful mechanical details (vibration pad, integrated plinth).
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Cons
- Needs generous amplifier power to show its full dynamic headroom; reviewers recommend well over 70–100W for best results.
- Premium pricing puts it in a competitive high-end bracket where tower alternatives may offer more bass per pound.
- Placement-sensitive due to the rear bass driver—near-wall setups can exaggerate low-end or produce occasional boxiness without careful setup.
Sound Quality
91/100
Bass
91/100
For its size the Contra 100S delivers unusually deep, well-textured low end: reviewers describe bass that 'dives beneath the floor' and is 'surprisingly deep.' Sealed 2.5-way with dual 6" woofers yields tight, controlled bass though placement and amplifier choice affect warmth and occasional boxiness.
Mid
92/100
Multiple reviewers praise the midrange as smooth, effortless and highly communicative: vocals are described as 'silky, focused and believable' with excellent timbral balance and low coloration.
Treble
90/100
Ring-radiator tweeter with a custom waveguide provides extended, refined highs to ~25kHz; reviewers report air and sparkle without glare or sibilance and good off-axis dispersion.
Soundstage Imaging
92/100
Consistently cited wide, deep and well-layered soundstage with precise imaging; toe-in and placement change staging but speakers can produce an expansive, three-dimensional presentation.
Dynamics
90/100
Good micro/macro dynamics and punch for a monitor this size; handles high SPLs well but benefits from generous amplifier power to fully unlock headroom and transient slam.
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Build Quality
92/100
Substantial, well-damped sealed cabinet with high-quality finishes and integration of waveguide; reviewers note solid construction, minimal resonance and attractive detailing.
Features Connectivity
85/100
Passive bookshelf baseline applied (80) with allowed upward adjustments for bi-wire/bi-amp terminals and engineered vibration-decoupling plinth; score capped per passive rules.
Value for Money
80/100
Performance is high and many reviewers recommend the Contra 100S, but street price (~£7,250–€10,000 reported) places it in premium territory; good value for buyers seeking monitor-grade performance at that price, but not repeatedly called a 'best buy'.
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