Short answer: the Revel Concerta2 F35. It ranks #23 of 71 floorstanding speakers by sound quality at $900; the Morel Avyra 633 ranks #31 and costs $2000, so there is not much of a tradeoff to weigh.
What the Revel Concerta2 F35 offers: 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 (around $900/pair, down from full retail), the reviewer calls it a “no-brainer,” undercutting comparable budget floorstanders like the ELAC 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. Watch for: 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.
What the Morel Avyra 633 offers: A 2.5-way floorstanding tower with two 6” mid-woofers (each with an unusually large 3” voice coil for better power handling) and a dome tweeter; the bottom woofer only covers up to about 250Hz while the top woofer runs all the way to the 2.2kHz crossover point. Easy to drive at a nominal 4 ohms (minimum 3.8 ohms). On-axis linearity measures within about ±2.25dB - genuinely impressive for a tower in this class, enough that the reviewer said he’d have guessed a $4,000-5,000 per pair price just from the look and the data alone. F3 of about 50Hz and F10 of about 32Hz give reasonable kick-drum-level bass without a subwoofer. Wide horizontal radiation around ±70° with good continuity outside the treble region. Harmonic distortion stays under 1% THD to about 100Hz at both 86dB and 96dB, and using an 80Hz subwoofer crossover barely changes midrange distortion - a sign the drive units themselves are good quality rather than excursion-limited. About 20dB of usable dynamic range. No through-holes for spikes, so no risk of dropped hardware during setup. Watch for: A bit bright out of the box - extra tweeter energy in the 4-7kHz region (which also shows up as nonlinearity in the early-reflections directivity data, making it harder to fully correct with EQ) reflects off nearby sidewalls and can sound tipped-up or edgy; a single EQ band (about 4.4kHz, -2dB, Q of 1) or absorption panels placed 60-80° off-axis on the sidewalls resolves it. Best aimed directly at the listener rather than toed out, since the top end already rolls off a little at wider angles. Imaging loses a bit of precision specifically in that lower-treble region. Multitone distortion exceeds the reviewer’s 3% comfort threshold at higher output. Real bass extension below 50Hz still needs a subwoofer. Not the same speaker as the Parts Express “Solstice” DIY kit despite surface similarities - different tweeter, different (ported vs. transmission line) enclosure, and measurably different woofers.
Buy the Revel Concerta2 F35. It ranks higher for sound quality than the Morel Avyra 633 and costs less, so there is no real case for the other one.
Specifications Side By Side
| Revel Concerta2 F35 | Morel Avyra 633 | |
|---|---|---|
| Price | $900 | $2,000.00 |
| Ranked | #23 of 71 in Large Size Floorstanding Speakers | #31 of 71 in Large Size Floorstanding Speakers |
| Bass Extension (-10dB) | 50Hz (measured, Erin’s Audio Corner) | 32Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 70Hz (measured, Erin’s Audio Corner) | 50Hz (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) | 38.7"H x 12.8"W x 12.2"D (982 x 326 x 310 mm) |
| Impedance | 6 ohms nominal (3.8 ohms minimum, measured by Erin’s Audio Corner) | 4 ohms nominal (3.8 ohms minimum, measured, Erin’s Audio Corner) |
| Sensitivity | 89.4dB (measured, Erin’s Audio Corner; 90dB manufacturer specified) | 86.5dB (measured, Erin’s Audio Corner) |
| Drivers | 3x 5.25" deep anodized aluminum cone woofers, 1" Aluminum Tweeter | Dome tweeter, two 6" mid-woofers (3" voice coil) |
| Weight | 41 lbs / 18.6 kg each | 48.5 lbs / 22 kg each |
| Woofer Cabinet | ported, rear | ported |
| Crossover Frequency | - | 250Hz, 2.2kHz |
| Frequency Response | - | 25Hz - 20kHz (±3dB, manufacturer specified) |
| Recommended Power | - | 200-1000W |
| Country of Origin | - | Israel |
Related Speaker Comparisons
More useful head-to-heads from the same speaker class:
- Focal Chora 816 vs Revel F206
- Revel F206 vs Emotiva Airmotiv T2+
- Polk Audio Reserve R700 vs Klipsch RP-8000F II
- Revel F206 vs Revel Concerta2 F35
- Revel Concerta2 F35 vs JBL Studio 590
Prices on this page were last checked August 25, 2026 at 6:19 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.
As an eBay Partner, we may be compensated if you make a purchase.
The Two Speakers In Full
Revel Concerta2 F35: $900 Crutchfield eBay
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 (around $900/pair, down from full retail), the reviewer calls it a “no-brainer,” undercutting comparable budget floorstanders like the ELAC 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.
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) |
| 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) |
| 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)
- Reddit Search for Revel Concerta2 F35 Review
- Head-to-Head Comparisons
- Revel Concerta2 F35 vs Revel F206
- Revel Concerta2 F35 vs JBL Studio 698
- Revel Concerta2 F35 vs KEF R11 Meta
- Revel Concerta2 F35 vs Arendal 1961 Tower
- Revel Concerta2 F35 vs JBL HDI-3600
- Revel Concerta2 F35 vs Emotiva Airmotiv T2+
- Revel Concerta2 F35 vs Revel F228Be
- Revel Concerta2 F35 vs Revel F208
- See all 54 comparisons
Morel Avyra 633: $2,000.00 eBay
Pros: A 2.5-way floorstanding tower with two 6” mid-woofers (each with an unusually large 3” voice coil for better power handling) and a dome tweeter; the bottom woofer only covers up to about 250Hz while the top woofer runs all the way to the 2.2kHz crossover point. Easy to drive at a nominal 4 ohms (minimum 3.8 ohms). On-axis linearity measures within about ±2.25dB - genuinely impressive for a tower in this class, enough that the reviewer said he’d have guessed a $4,000-5,000 per pair price just from the look and the data alone. F3 of about 50Hz and F10 of about 32Hz give reasonable kick-drum-level bass without a subwoofer. Wide horizontal radiation around ±70° with good continuity outside the treble region. Harmonic distortion stays under 1% THD to about 100Hz at both 86dB and 96dB, and using an 80Hz subwoofer crossover barely changes midrange distortion - a sign the drive units themselves are good quality rather than excursion-limited. About 20dB of usable dynamic range. No through-holes for spikes, so no risk of dropped hardware during setup.
Cons: A bit bright out of the box - extra tweeter energy in the 4-7kHz region (which also shows up as nonlinearity in the early-reflections directivity data, making it harder to fully correct with EQ) reflects off nearby sidewalls and can sound tipped-up or edgy; a single EQ band (about 4.4kHz, -2dB, Q of 1) or absorption panels placed 60-80° off-axis on the sidewalls resolves it. Best aimed directly at the listener rather than toed out, since the top end already rolls off a little at wider angles. Imaging loses a bit of precision specifically in that lower-treble region. Multitone distortion exceeds the reviewer’s 3% comfort threshold at higher output. Real bass extension below 50Hz still needs a subwoofer. Not the same speaker as the Parts Express “Solstice” DIY kit despite surface similarities - different tweeter, different (ported vs. transmission line) enclosure, and measurably different woofers.
Full Morel Avyra 633 review and specifications →
| Bass Extension (-10dB) | 32Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 50Hz (measured, Erin's Audio Corner) |
| Country of Origin | Israel |
| Crossover Frequency | 250Hz, 2.2kHz |
| Dimensions | 38.7"H x 12.8"W x 12.2"D (982 x 326 x 310 mm) |
| Drivers | Dome tweeter, two 6" mid-woofers (3" voice coil) |
| Frequency Response | 25Hz - 20kHz (±3dB, manufacturer specified) |
| Impedance | 4 ohms nominal (3.8 ohms minimum, measured, Erin's Audio Corner) |
| Recommended Power | 200-1000W |
| Sensitivity | 86.5dB (measured, Erin's Audio Corner) |
| Weight | 48.5 lbs / 22 kg each |
| Woofer Cabinet | ported |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons