Short answer: the Revel F228Be, if you are buying new. The Revel F208 ranks higher than the Klipsch Heresy IV (#27 vs #184 of 188 floorstanding speakers) but is discontinued; its replacement, the Revel F228Be, is rated 4.5/5 at $11,000 and is still sold new.
The Revel F208 is the more accurate, deeper-bass pick. CEA2034 spinorama shows a fairly even on-axis response with sensitivity matching spec at ~87-88dB. Its measured preference score, a predictor of how neutral it sounds, is 6.35 against 2.27 for the Klipsch Heresy IV. Its bass reaches about 47Hz before falling 3dB, against 77Hz for the Klipsch Heresy IV. Watch for: Some directivity error and tweeter-response ripple right at the 2.2kHz crossover point.
The case for the Klipsch Heresy IV: Very high 94.5dB/2.83V/1m sensitivity in Erin’s anechoic measurement (well below Klipsch’s 99dB in-room claim, but still excellent) and strong short-term output from a 12-inch woofer plus horn-loaded midrange and tweeter. The catch: Erin measured a 77Hz F3 and response rolling away near 100Hz in-room, so a subwoofer is required for modern full-range reproduction.
Buy the Revel F228Be, the replacement for the discontinued Revel F208; it is rated higher for sound quality than the Klipsch Heresy IV.
Still deciding? The full Passive Home rankings cover every ranked option.
Specifications Side By Side
| Revel F208 | Klipsch Heresy IV | |
|---|---|---|
| Price | $4,800 per pair used, Discontinued | $3,599.98 per pair |
| Ranked | #27 of 188 in Large Size Floorstanding Speakers | #184 of 188 in Large Size Floorstanding Speakers |
| Bass Extension (-10dB) | 24Hz (measured, Audio Science Review) | 50.0Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 47Hz (measured, Audio Science Review) | 77Hz (measured, Erin’s Audio Corner) |
| Dimensions | 46.6”H x 13.5”W x 14.8”D (1183.6 x 342.9 x 375.9 mm) | 24.8”H x 15.6”W x 13.3”D |
| Impedance | 8 ohms nominal, 3.5 ohms minimum (measured, Audio Science Review) | Approximately 4 ohms minimum (measured, Erin’s Audio Corner) |
| Drivers | Dual 8” (20 cm) Aluminum Cone, Cast-frame Woofers, 5.25” (13.3 cm) Aluminum Cone, Cast-frame Midrange, 1” (2.5 cm) Aluminum Tweeter with Acoustic Lens Waveguide | 1” horn-loaded tweeter; 1.75” horn-loaded midrange; 12” woofer |
| Sensitivity | 88.2dB (measured by Audio Science Review; 88.5dB manufacturer specified) | 94.5dB/2.83V/1m (measured, Erin’s Audio Corner) |
| Weight | 79.4 lbs (36 kg) each | 45 lbs (20.4 kg) each |
| Woofer Cabinet | ported, front | ported, rear |
| Spinorama Preference Score | 6.35 | 2.27 |
| Spinorama Preference Score with Perfect Sub | 7.67 | 5.02 |
| DIY Kit | No | No |
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The Two Speakers In Full
Revel F208: $4,800 per pair used Discontinued eBay
Newer model: the Revel F228Be, ranked lower, rated 4.5/5.
Same family: the Revel M105 (smaller bookshelf, rated 4.2/5), the Revel M106 (larger bookshelf, rated 4.6/5), the Revel F206 (smaller floorstanding, ranked lower, rated 4.5/5), the Revel Performa3 C205 (smaller center, rated 4.1/5) and the Revel Performa3 C208 (larger center, rated 4/5).
Pros: CEA2034 spinorama shows a fairly even on-axis response with sensitivity matching spec at ~87-88dB. Predicted in-room response is a smooth, textbook-quality downward slope that should translate well to most rooms without correction. Early reflections sum so cleanly with the direct sound that side-wall absorption isn’t recommended: it would work against the speaker’s naturally well-integrated off-axis behavior. Distortion stays below 0.5% from 100Hz up at 96dB/1m, with all distortion components falling below audible threshold above 200Hz. Very wide horizontal directivity of about ±75 degrees. Measured performance was judged very close to Revel’s own flagship Salon2, and Revel’s speakers (including this one) are developed using Harman’s double-blind listening test methodology. Preference score of 7.4 (7.7 with a subwoofer added). Measured bass extension of 47Hz (-3dB), with a measured sensitivity of 88.2dB.
Cons: Some directivity error and tweeter-response ripple right at the 2.2kHz crossover point. A notable on-axis dip at about 4kHz, attributed to probable cabinet diffraction. Cumulative spectral decay (waterfall) shows an unexplained resonance around 4-5kHz that the reviewer couldn’t pin down a clear cause for. Vertical directivity shows narrowband interference nulls just above and below the tweeter axis (roughly 2-3kHz), typical of a non-coaxial tower with vertically separated drivers, so listening height matters more than it would with a coincident design. Minimum impedance dips to 3.4 ohms, calling for a robust, high-current amplifier. Distortion climbs substantially below about 80-100Hz (up to ~5% in the deep bass) when driven hard, an excursion-limited trade-off typical of towers at high output. Isolating the woofers alone shows their usable range ending around 500-700Hz at the crossover, with somewhat elevated (though still low in absolute terms) 2nd/3rd harmonic distortion in the 100-300Hz region. Discontinued.
Full Revel F208 review and specifications →
| Bass Extension (-10dB) | 24Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 47Hz (measured, Audio Science Review) |
| DIY Kit | No |
| Dimensions | 46.6”H x 13.5”W x 14.8”D (1183.6 x 342.9 x 375.9 mm) |
| Drivers | Dual 8” (20 cm) Aluminum Cone, Cast-frame Woofers, 5.25” (13.3 cm) Aluminum Cone, Cast-frame Midrange, 1” (2.5 cm) Aluminum Tweeter with Acoustic Lens Waveguide |
| Impedance | 8 ohms nominal, 3.5 ohms minimum (measured, Audio Science Review) |
| Sensitivity | 88.2dB (measured by Audio Science Review; 88.5dB manufacturer specified) |
| Spinorama Preference Score | 6.35 |
| Spinorama Preference Score with Perfect Sub | 7.67 |
| Weight | 79.4 lbs (36 kg) each |
| Woofer Cabinet | ported, front |
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- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Klipsch Heresy IV: $3,599.98 per pair Amazon Crutchfield eBay
Same family: the Klipsch Forte IV (larger floorstanding, ranked higher, rated 4/5), the Klipsch Cornwall IV (larger floorstanding, ranked higher, estimated 2.8/5), the Klipsch La Scala AL6 (larger floorstanding, ranked higher, estimated 2.8/5) and the Klipsch Klipschorn AK7 (larger floorstanding, ranked higher, estimated 3/5).
Pros: Very high 94.5dB/2.83V/1m sensitivity in Erin’s anechoic measurement (well below Klipsch’s 99dB in-room claim, but still excellent) and strong short-term output from a 12-inch woofer plus horn-loaded midrange and tweeter. The compact, furniture-grade Heritage cabinet is easier to place than most high-efficiency designs, and dynamics at moderate levels can sound lively. A stable four-ohm-capable amplifier can produce substantial SPL with relatively little voltage. Measured bass extension of 77Hz (-3dB), with a measured sensitivity of 94.5dB.
Cons: Erin measured a 77Hz F3 and response rolling away near 100Hz in-room, so a subwoofer is required for modern full-range reproduction. The impedance dips to about 4 ohms, reducing the practical amplifier advantage implied by its sensitivity. Pronounced directivity mismatch at the driver transitions, impedance/response resonances and elevated distortion spikes around the crossover remain audible concerns that EQ cannot fully solve. At 102dB Erin measured roughly 1.5dB midband compression; at 96dB distortion rises around crossover. Performance is difficult to justify at the price, and Erin explicitly did not recommend it.
Full Klipsch Heresy IV review and specifications →
| Bass Extension (-10dB) | 50.0Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 77Hz (measured, Erin’s Audio Corner) |
| DIY Kit | No |
| Dimensions | 24.8”H x 15.6”W x 13.3”D |
| Drivers | 1” horn-loaded tweeter; 1.75” horn-loaded midrange; 12” woofer |
| Impedance | Approximately 4 ohms minimum (measured, Erin’s Audio Corner) |
| Sensitivity | 94.5dB/2.83V/1m (measured, Erin’s Audio Corner) |
| Spinorama Preference Score | 2.27 |
| Spinorama Preference Score with Perfect Sub | 5.02 |
| Weight | 45 lbs (20.4 kg) each |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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