Short answer: the Revel Concerta2 F35. It ranks #30 of 188 floorstanding speakers by sound quality, rated 4.5/5, at $900; the PS Audio Aspen FR10 ranks #76, rated 4.2/5, and costs $12,000, so there is not much of a tradeoff to weigh.
The Revel Concerta2 F35 is the more accurate pick. Two-and-a-half-way, four-driver design: a 1” aluminum dome tweeter on a waveguide, a 5.25” mid-range, and dual 5.25” mid-bass drivers in a rear-ported cabinet. Its measured preference score, a predictor of how neutral it sounds, is 5.35 against 4.08 for the PS Audio Aspen FR10. Watch for: F3 of 61Hz and F10 of 39Hz mean a subwoofer is needed for real bass extension.
The PS Audio Aspen FR10 is the deeper-bass option. Its bass reaches about 47Hz before falling 3dB, against 70Hz for the Revel Concerta2 F35. Watch for: At roughly $12000/pair, expectations are high, and the reviewer found some measured shortfalls relative to that price.
Buy the Revel Concerta2 F35. It is rated higher for sound quality than the PS Audio Aspen FR10 and costs less, so only choose the other one for a particular feature it does better.
Looking for alternatives? See the complete Passive Home rankings.
Specifications Side By Side
| Revel Concerta2 F35 | PS Audio Aspen FR10 | |
|---|---|---|
| Price | $900 per pair | $12000 per pair |
| Ranked | #30 of 188 in Large Size Floorstanding Speakers | #76 of 188 in Large Size Floorstanding Speakers |
| Bass Extension (-10dB) | 50Hz (measured, Erin’s Audio Corner) | 28Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 70Hz (measured, Erin’s Audio Corner) | 47Hz (measured, Erin’s Audio Corner) |
| Dimensions | 40.3”H x 8.4”W x 12.2”D (1023.6 x 213.4 x 309.9 mm) | 41.5”H x 11.8”W x 16.3”D (1054.1 x 298.5 x 412.8 mm) |
| Impedance | 6 ohms nominal (3.8 ohms minimum, measured by Erin’s Audio Corner) | 4 ohms nominal, 3.6 ohms minimum (measured, Erin’s Audio Corner) |
| Sensitivity | 89.4dB (measured, Erin’s Audio Corner; 90dB manufacturer specified) | 84.4dB (measured, Erin’s Audio Corner) |
| Drivers | 3x 5.25” deep anodized aluminum cone woofers, 1” Aluminum Tweeter | 2x 6.5” carbon fiber cone woofers, 1x 8” planar magnetic ribbon midrange, 1x 2.5” planar magnetic ribbon tweeter + 3x passive radiators |
| Weight | 41 lbs (18.6 kg) each | 119 lbs (54 kg) |
| Woofer Cabinet | ported, rear | passive radiator |
| Spinorama Preference Score | 5.35 | 4.08 |
| Spinorama Preference Score with Perfect Sub | 7.30 | 5.40 |
| DIY Kit | No | No |
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The Two Speakers In Full
Revel Concerta2 F35: $900 per pair Crutchfield eBay
Same family: the Revel Concerta2 M16 (bookshelf, rated 4.1/5), the Revel Concerta2 F36 (larger floorstanding, ranked higher, estimated 4.6/5) and the Revel Concerta2 C25 (center, rated 4.1/5).
Pros: Two-and-a-half-way, four-driver design: a 1” aluminum dome tweeter on a waveguide, a 5.25” mid-range, and dual 5.25” mid-bass drivers in a rear-ported cabinet. Measured sensitivity of 89.4dB closely matches the 90dB spec, and distortion looks good at both 86dB and 96dB, holding up well even with a high-pass filter applied. At its sale price of $900/pair, down from full retail, the reviewer calls it a “no-brainer,” undercutting comparable budget floorstanders like the ELAC Debut 3.0 DF63. Frequency response and directivity mismatches are largely EQ-able, since most of what shows up in measurements traces to physical tweeter/mid-range separation rather than a fundamental flaw. Compression is fairly well controlled for the price: about 1dB of loss around 100Hz under long-term compression, described as “par for the course” at this cost. Measured bass extension of 70Hz (-3dB), with a measured sensitivity of 89.4dB.
Cons: F3 of 61Hz and F10 of 39Hz mean a subwoofer is needed for real bass extension. A dip in the lower midrange/2-3kHz region reduces attack and detail, and a peak around 5kHz adds some edge and sibilance in the lower treble. A peak in off-axis energy around 3kHz reflects off sidewalls at roughly 60-70° off-axis and arrives louder than the direct sound: this specific issue can’t be fixed with EQ (boosting the direct sound would boost the stronger reflection too) and would need acoustic absorption to properly address, though the reviewer considers it a minor, optional fix at this price. A couple of minor resonances appear in the impedance plot, including one around 300Hz that may partly explain a subtle sense of vocal warmth noticed in listening, though it’s more likely room-related. Minimum impedance around 3.8 ohms. Short-term compression testing shows some increased distortion in the tweeter and higher-frequency compression at loud output.
Full Revel Concerta2 F35 review and specifications →
| Bass Extension (-10dB) | 50Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 70Hz (measured, Erin’s Audio Corner) |
| DIY Kit | No |
| Dimensions | 40.3”H x 8.4”W x 12.2”D (1023.6 x 213.4 x 309.9 mm) |
| Drivers | 3x 5.25” deep anodized aluminum cone woofers, 1” Aluminum Tweeter |
| Impedance | 6 ohms nominal (3.8 ohms minimum, measured by Erin’s Audio Corner) |
| Sensitivity | 89.4dB (measured, Erin’s Audio Corner; 90dB manufacturer specified) |
| Spinorama Preference Score | 5.35 |
| Spinorama Preference Score with Perfect Sub | 7.30 |
| Weight | 41 lbs (18.6 kg) each |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
- Audio Science Review Revel Concerta2 F35 More from Audio Science Review →
- Erin’s Audio Corner: Revel F35 Review: Great Sound, Lower Price! More from Erin’s Audio Corner →
- Erin’s Audio Review Website Revel Concerta2 F35
- Audio Science Review Measurements (spinorama.org)
- Erin’s Audio Corner: You’ve Never Seen a Review Like This. Revel F35 Review (Part 1).
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PS Audio Aspen FR10: $12000 per pair PS Audio eBay
Same family: the PS Audio Aspen FR5 (bookshelf, rated 3.7/5).
Pros: Distinctive driver layout: two 6” mid-bass drivers plus three 6x9” passive radiators, an 8” planar ribbon mid-range, and a 2.5” planar ribbon tweeter, with the woofers placed low near the floor to counteract typical floor-bounce cancellation in the mid-bass/lower-midrange handoff. Deliberately shelved bass response around 150Hz allows placement closer to the rear wall than typical, without the usual boominess. Extremely wide horizontal dispersion (the -6dB point isn’t reached until about 80-85° off-axis), giving a wide, enveloping soundstage that stays consistent rather than narrowing unevenly at different frequencies. Passed multiple stereo-imaging tests with precise placement despite the wide radiation, keeping instruments distinctly separated even in complex, heavily panned tracks. Exceptionally low multitone distortion at high frequency: among the best the reviewer has measured on any speaker. Bass extends smoothly to an F3 of 47Hz and F10 of 28Hz, potentially usable without a subwoofer for material that doesn’t dig much below 40Hz. Shows output enhancement rather than compression below about 50Hz even at high volume, adding extra punch and attack to bass transients. Measured bass extension of 47Hz (-3dB), with a measured sensitivity of 84.4dB.
Cons: At roughly $12000/pair, expectations are high, and the reviewer found some measured shortfalls relative to that price. A scoop around 600Hz slightly thins out vocal fullness; EQ can restore some body there. A narrow but pronounced dip around 6-7kHz shows up in measurements, though EQ didn’t meaningfully improve it in testing and the reviewer says he’d rather have a dip than a peak in that sibilance-prone region. On-axis, the treble reads as mildly elevated (though far less than some rivals like Martin Logan or Focal); needs about 20° of toe-out, per the manufacturer’s own recommendation, to sound properly balanced and take on a warmer character. Sidewall acoustic treatment should be avoided, since the speaker’s wide, room-filling sound depends on that sidewall interaction, limiting setup flexibility in treated rooms. A minor resonance-like anomaly appears around 800Hz, and some compression shows up at the highest frequencies (around 12kHz) under extreme output testing, though unlikely to be audible in real listening. Large and heavy floorstander (about 76 lbs each, 41” tall).
Full PS Audio Aspen FR10 review and specifications →
| Bass Extension (-10dB) | 28Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 47Hz (measured, Erin’s Audio Corner) |
| DIY Kit | No |
| Dimensions | 41.5”H x 11.8”W x 16.3”D (1054.1 x 298.5 x 412.8 mm) |
| Drivers | 2x 6.5” carbon fiber cone woofers, 1x 8” planar magnetic ribbon midrange, 1x 2.5” planar magnetic ribbon tweeter + 3x passive radiators |
| Impedance | 4 ohms nominal, 3.6 ohms minimum (measured, Erin’s Audio Corner) |
| Sensitivity | 84.4dB (measured, Erin’s Audio Corner) |
| Spinorama Preference Score | 4.08 |
| Spinorama Preference Score with Perfect Sub | 5.40 |
| Weight | 119 lbs (54 kg) |
| Woofer Cabinet | passive radiator |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons