What this page covers. The AsciLab models ranked here span powered speakers and passive speakers, including AsciLab C8C, AsciLab C6B and AsciLab F6B. Use each model’s category position to compare it with alternatives of the same size and use case.
This page lists all 5 AsciLab speakers ranked on this site across powered speakers and passive speakers. Each model is shown in the category where it competes, with its current rank and the size of that ranking.
Use the category position rather than the brand name alone: speakers from the same manufacturer can perform very differently by size, price and product family.
Prices on this page were last checked September 6, 2026 at 7:27 AM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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Large Size Powered Bookshelf Speakers
Ranked #1 of 66 in Large Size Powered Bookshelf Speakers - AsciLab C8C: 5799 EUR/pair Audiophonics eBay
Pros: ASR’s revised measurement combines an 8.02 ideal-subwoofer preference score with a 1.7dB response span from 300Hz to 5kHz, supporting highly even vocal and instrumental balance. Bass reaches 30.8Hz at -3dB and 23.4Hz at -6dB, giving substantial low-end reach without an added subwoofer.
Cons: The result applies to the revised measured configuration; confirm that the speaker’s tuning matches it. Each cabinet weighs about 27.5kg and needs a substantial stand. Deep extension and excellent tonality do not guarantee unlimited bass output or eliminate the need to adjust placement.
Full AsciLab C8C review and specifications →
| Bass Extension (-10dB) | 20.5Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 30.8Hz (measured, Audio Science Review) |
| Bass Extension (-6dB) | 23.4Hz (measured, Audio Science Review) |
| Country | South Korea |
| Crossover Points | 150Hz, 1.2kHz |
| Dimensions | 22"H x 10"W x 13.8"D (560 x 254 x 350 mm) (22.05 x 10.0 x 13.78 in) |
| Drivers | 1" alumina ceramic dome tweeter with waveguide, 2x 6" alumina ceramic midrange/woofers, 2x 8" side mounted opposed cardioid subwoofers |
| Enclosure | sealed |
| Power Output (Watts) | 600W total (100W tweeter, 250W midrange, 250W subwoofer) |
| Warranty | 2 years |
| Weight | 60.6 lbs / 27.5 kg (60.6 lbs) each |
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Large Size Bookshelf Speakers
Ranked #7 of 131 in Large Size Bookshelf Speakers - AsciLab C6B: $1145 Ascilab eBay
Pros: Two-way design pairing a 1” aluminum ceramic dome tweeter on a large waveguide with a 6” aluminum ceramic cone woofer, crossed over at 1.1kHz, plus a rear passive radiator. Unusual trait: horizontal radiation actually widens at higher frequencies instead of narrowing like most two-way designs, which keeps image focus and soundstage depth consistent whether you toe the speakers in or out (5-10° off-axis was the sweet spot in testing). Vertical radiation also stays wide straight through the 2kHz crossover region, so the sound doesn’t collapse when standing up - unusual at this price. CA2034 measurements show strong on-axis linearity, listening window, early reflections, and directivity. Midrange and tweeter distortion stay very low even at 96dB, holding up against a $5,900 Arendal speaker in that regard despite roughly a 5x price gap. At $935 (about $1,135 shipped to the US), the reviewer calls it the best-value bookshelf speaker he’s tested, rivaling speakers 2-5x the price.
Cons: Bass rolls off around 50Hz in-room (F3 54Hz, F10 35Hz), so a subwoofer is needed for real extension below that. Low-frequency harmonic distortion increases substantially at 96dB versus 86dB, though it’s second-order and less audible than it looks on paper. Minimum impedance dips to 2.6 ohms (EPDR as low as 1.2 ohms), so it wants an amplifier comfortable driving 4-ohm loads, ideally 100W or more. At 102dB, compression noticeably eats into midrange, bass, and some treble output. Shipping to the US adds roughly $200 on top of the $935 price. Against the reviewer’s reference Audiofirst Fidelia at a similar price, has slightly less lower-midrange body (about 1dB difference) and a smaller perceived soundstage size.
Full AsciLab C6B review and specifications →
| Bass Extension (-10dB) | 35Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 54Hz (measured, Erin's Audio Corner) |
| Dimensions | 15.7"H x 8"W x 10.4"D (398.8 x 203.2 x 264.2 mm) |
| Drivers | 6" Aluminium Ceramic Cone with cast Aluminium Chassis woofer, 1" Aluminium Ceramic Dome tweeter |
| Impedance | 4 ohms nominal, 2.6 ohms minimum (measured, Erin's Audio Corner) |
| Sensitivity | 85.6dB (measured, Erin's Audio Corner) |
| Weight | 18.5 lbs / 8.4 kg each |
| Woofer Cabinet | passive radiator |
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- AsciLab C6B vs GR-Research NX-Studio
- AsciLab C6B vs KEF Reference 1 Meta
- AsciLab C6B vs KEF Q Concerto Meta
- AsciLab C6B vs MoFi SourcePoint 8
- AsciLab C6B vs GR-Research NX-Bravo
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- See all 28 comparisons
Ranked #12 of 131 in Large Size Bookshelf Speakers - AsciLab F6B: $980 Ascilab eBay
Pros: Called by the reviewer the best sub-$1000 pair of speakers he’s come across to date. Very good on-axis linearity and directivity for the price, with a large waveguide-loaded 1” aluminum dome tweeter that keeps a two-way design well-behaved through the crossover. Nice midbass punch from a slightly undersized enclosure alignment that gives kick drums extra impact. Solid, unfussy tonal balance overall.
Cons: A mild sibilance-inducing lift around 6-8kHz, most noticeable on female vocals, paired with a shallow dip in the upper midrange - correctable with a simple 3-band EQ the reviewer provided. In-room bass extension is only about 50-60Hz despite a 6” woofer, trading some low-end reach for that extra midbass punch. Compression and graininess creep in at higher volumes (upper 80s to low 90s dB at 10ft), and directivity (~50-60 degrees horizontal) is narrower than the reviewer’s other current favorite, the Audio First Cadentia 3.
Full AsciLab F6B review and specifications →
| Bass Extension (-10dB) | 38Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 56Hz (measured, Erin's Audio Corner) |
| Crossover Frequency | 1000Hz |
| Dimensions | 15.7" x 8" x 10.4" (400 x 203 x 265 mm) |
| Drivers | 1" aluminum dome tweeter, 6" fiber cone woofer |
| Impedance | 4 ohms nominal (3.5 ohms minimum above 80Hz, measured by Erin's Audio Corner) |
| Recommended Power | up to 125W |
| Sensitivity | 85dB (2.83V/1m, measured by Erin's Audio Corner) |
| Weight | 16.5 lbs / 7.5 kg each |
| Woofer Cabinet | Passive radiator loaded |
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Ranked #18 of 131 in Large Size Bookshelf Speakers - AsciLab A6B Passive: 3790 EUR/pair Audiophonics eBay
Pros: A Purifi 6.5 inch aluminum cone woofer works with two side mounted passive radiators and a Klippel NFS optimized crossover to reach a measured 41.0Hz extension point with an on axis slope of just -0.10dB per octave, essentially flat. On axis deviation measures 0.071dB average, the tightest figure of any speaker added to this catalog from spinorama.org’s current measurement set. Listening window smoothness (0.60) sits in line with AsciLab’s other highly rated bookshelf models already in this catalog.
Cons: 4 ohm nominal impedance and 82dB sensitivity call for a robust amplifier. AsciLab and its resellers frequently list the A6B as sold out or preorder only, and reported prices vary widely by source and region, from roughly $2,900 to over $3,900 per pair, so confirm the current listing before buying. Tweeter material is described inconsistently between sources (alumina ceramic dome versus an SB Acoustics unit), worth verifying directly with a reseller if that detail matters to you.
Full AsciLab A6B Passive review and specifications →
| Bass Extension (-10dB) | 34.7Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 41.0Hz (measured, Audio Science Review) |
| Country | South Korea |
| Crossover Points | 1kHz |
| Dimensions | 15.9"H x 8.7"W x 11.8"D (405 x 220 x 300 mm) (15.9 x 8.7 x 11.8 in) |
| Drivers | 1" dome tweeter, 6.5" Purifi aluminum cone woofer, 2x 6.5" Purifi passive radiators |
| Enclosure | sealed with passive radiators |
| Impedance | 4 ohms nominal |
| Max SPL | 102dB full bandwidth, 106dB above 100Hz |
| Sensitivity | 82dB @ 2.83V/1m |
| Warranty | 2 years |
| Weight | 27.1 lbs / 12.3 kg (27 lbs) each |
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- Head-to-Head Comparisons
Ranked #20 of 131 in Large Size Bookshelf Speakers - AsciLab F6Bs: 799 EUR/pair Audiophonics eBay
Pros: A slimmer, sealed, VESA 100 wall mountable variant of AsciLab’s F6B, trading the F6B’s passive radiator for a shallower 15.4cm deep cabinet that can go straight on a wall bracket. The sound power directivity index has the tightest standard deviation, 3.32, of anything in this batch of new additions, meaning off axis energy tracks the on axis response unusually consistently for a sealed 2-way this size, and on axis deviation measures a clean 0.25dB average.
Cons: AsciLab’s own site shows the F6Bs sold out, though it remains in stock through resellers like Audiophonics and Tested Audio. Bass extension is measured at 82.0Hz at -3dB, noticeably less than the passive radiator equipped F6B, and listening window smoothness measures only a moderate 0.39. The 4 ohm nominal impedance calls for a reasonably capable amplifier.
Full AsciLab F6Bs review and specifications →
| Bass Extension (-10dB) | 50.1Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 82.0Hz (measured, Audio Science Review) |
| Country | South Korea |
| Crossover Points | 1kHz |
| Dimensions | 14.5"H x 8"W x 6.1"D (368 x 203 x 154 mm) (14.5 x 8.0 x 6.1 in) |
| Drivers | 1" aluminum dome tweeter with waveguide and phase plug, 6" fiber cone woofer |
| Enclosure | sealed |
| Impedance | 4 ohms nominal, 3.7 ohms minimum |
| Max SPL | 100dB full bandwidth, 102dB above 100Hz |
| Mounting | VESA 100 wall mount compatible |
| Sensitivity | 85.2dB @ 2.83V/1m (measured, Audio Science Review) |
| Warranty | 2 years |
| Weight | 12.3 lbs / 5.6 kg (12.3 lbs) each |
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- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons