Short answer: the Revel F226Be, if you are buying new. The Revel F206 ranks higher than the Klipsch Heresy IV (#29 vs #184 of 188 floorstanding speakers) but is discontinued; its replacement, the Revel F226Be, is rated 4.6/5 at $8,469.90 and is still sold new.
The Revel F206 is the more accurate, deeper-bass choice. CEA2034 spinorama shows a pretty even on-axis response. Its measured preference score, a predictor of how neutral it sounds, is 5.51 against 2.27 for the Klipsch Heresy IV. Its bass reaches about 60Hz before falling 3dB, against 77Hz for the Klipsch Heresy IV. Watch for: Some directivity error and a small peak around 4.5kHz show up alongside the directivity error around 3kHz.
What the Klipsch Heresy IV does well: 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. Watch for: 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 F226Be, the replacement for the discontinued Revel F206; it is rated higher for sound quality than the Klipsch Heresy IV.
Want more options? Browse the full Passive Home rankings.
Specifications Side By Side
| Revel F206 | Klipsch Heresy IV | |
|---|---|---|
| Price | $2,000 per pair used, Discontinued | $3,599.98 per pair |
| Ranked | #29 of 188 in Large Size Floorstanding Speakers | #184 of 188 in Large Size Floorstanding Speakers |
| Bass Extension (-10dB) | 34Hz (measured, Audio Science Review) | 50.0Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 60Hz (measured, Audio Science Review) | 77Hz (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) | 24.8”H x 15.6”W x 13.3”D |
| Impedance | 4 ohms nominal (3.3 ohms minimum, measured by Audio Science Review) | Approximately 4 ohms minimum (measured, Erin’s Audio Corner) |
| Drivers | Dual 6.5” (16.5 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 | 87dB (measured, Audio Science Review) | 94.5dB/2.83V/1m (measured, Erin’s Audio Corner) |
| Weight | 57.3 lbs (26 kg) each | 45 lbs (20.4 kg) each |
| Woofer Cabinet | ported, front | ported, rear |
| Spinorama Preference Score | 5.51 | 2.27 |
| Spinorama Preference Score with Perfect Sub | 7.52 | 5.02 |
| DIY Kit | No | No |
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The Two Speakers In Full
Revel F206: $2,000 per pair used Discontinued eBay
Newer model: the Revel F226Be, ranked higher, rated 4.6/5.
Same family: the Revel M105 (smaller bookshelf, rated 4.2/5), the Revel M106 (larger bookshelf, rated 4.6/5), the Revel F208 (larger floorstanding, ranked higher, 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 pretty even on-axis response. Predicted in-room response is excellent, with a smooth downward slope. Horizontal beamwidth of about ±65 degrees is wide, if a bit uneven. Distortion is very nice at 86dB SPL/1m, falling below the frequency range where human hearing is most sensitive, and stays excellent even at 96dB SPL/1m. Near-field measurements of the individual drivers show nice suppression of port and woofer resonances. Really amazing value for the performance. Measured bass extension of 60Hz (-3dB), with a measured sensitivity of 87dB.
Cons: Some directivity error and a small peak around 4.5kHz show up alongside the directivity error around 3kHz. Vertical directivity means listening position needs to stay within the tweeter axis, though the reviewer notes there is some leeway. Minimum impedance dips to 3.3 ohms, calling for an amplifier comfortable with a demanding load. Discontinued.
Full Revel F206 review and specifications →
| Bass Extension (-10dB) | 34Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 60Hz (measured, Audio Science Review) |
| 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 | Dual 6.5” (16.5 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 | 4 ohms nominal (3.3 ohms minimum, measured by Audio Science Review) |
| Sensitivity | 87dB (measured, Audio Science Review) |
| Spinorama Preference Score | 5.51 |
| Spinorama Preference Score with Perfect Sub | 7.52 |
| Weight | 57.3 lbs (26 kg) each |
| Woofer Cabinet | ported, front |
- Links
- 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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