Short answer: the Revel F206. It ranks #22 of 68 floorstanding speakers by sound quality at $2000; the Klipsch Heresy IV ranks #44 and costs $3198, so there is not much of a tradeoff to weigh.
What the Revel F206 offers: 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. Watch for: 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.
What the Klipsch Heresy IV offers: 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. 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. 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.
Buy the Revel F206. It ranks higher for sound quality than the Klipsch Heresy IV and costs less, so there is no real case for the other one.
Specifications Side By Side
| Revel F206 | Klipsch Heresy IV | |
|---|---|---|
| Price | $2000 used, Discontinued | $3,198/pair |
| Ranked | #22 of 68 in Large Size Floorstanding Speakers | #44 of 68 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 |
| Discontinued | Yes | - |
| 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 lb each |
| Woofer Cabinet | ported, front | ported, rear |
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The Two Speakers In Full
Revel F206: $2000 used, Discontinued eBay
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.
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) |
| Dimensions | 40.3"H x 8.4"W x 12.2"D (1023.6 x 213.4 x 309.9 mm) |
| Discontinued | Yes |
| 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) |
| Weight | 57.3 lbs / 26 kg each |
| Woofer Cabinet | ported, front |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Klipsch Heresy IV: $3,198/pair Amazon Crutchfield eBay
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.
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) |
| 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) |
| Weight | 45 lb each |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
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