Focal Alpha 65 EVO vs Focal Solo6 ST6

Short answer: the Focal Alpha 65 EVO. It ranks #17 of 48 powered bookshelf speakers by sound quality at $499; the Focal Solo6 ST6 ranks #23 and costs $1499, so there is not much of a tradeoff to weigh.

What the Focal Alpha 65 EVO gets right: Very neutral, not quite as good as the Klasik 2020 in the midrange, but with better soundstage and instrument definition than the HS8. The catch: Ignores sub-bass, and the LF/HF trim dials lack a center detent so getting back to flat takes trial and error.

On the Focal Solo6 ST6 side: Beryllium inverted-dome tweeter over a 6.5” ‘W’ composite sandwich-cone woofer - a low-mass, low-distortion driver combination rarely found below far pricier monitors. Set against that: Bass alignment Q is on the higher side, which can correlate with a touch of extra bass fullness/looseness versus a more critically-damped alignment.

Buy the Focal Alpha 65 EVO. It ranks higher for sound quality than the Focal Solo6 ST6 and costs less, so there is no real case for the other one.

Specifications Side By Side

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The Two Speakers In Full

Focal Alpha 65 EVO: $499.00 Amazon

Pros: Very neutral, not quite as good as the Klasik 2020 in the midrange, but with better soundstage and instrument definition than the HS8

Cons: Ignores sub-bass, and the LF/HF trim dials lack a center detent so getting back to flat takes trial and error. The reviewer’s original sample showed an odd distortion spike between 1.5-8kHz at 86dB SPL, though a second sample from Focal didn’t reproduce it - likely a defective unit rather than a design flaw.

Full Focal Alpha 65 EVO review and specifications →

App	No
Bass Extension (-10dB)	36Hz (measured, Audio Science Review)
Bass Extension (-3dB)	45Hz (measured, Audio Science Review)
Bluetooth	No
DSP	No
Dimensions	13.4"H x 10.3"W x 11.4"D (340.4 x 261.6 x 289.6 mm)
Drivers	6.5" (165mm) woofer
EQ	Yes (Room adjustment)
Frequency Response	40Hz - 22kHz (+-3dB) (Manufacturer specified)
Inputs	TRS, XLR, RCA
Output Power	85w Per Speaker
Weight	16.8 lbs / 7.6 kg each

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• Links
  • Official Focal Alpha 65 EVO Product Page
• Reviews, Comparisons and Sound Samples
  • Audio Science Review Measurements
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  • Audio Science Review Measurements (spinorama.org)
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• Head-to-Head Comparisons
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Focal Solo6 ST6: $1,499.00 B&H Photo Sweetwater

Pros: Beryllium inverted-dome tweeter over a 6.5” ‘W’ composite sandwich-cone woofer - a low-mass, low-distortion driver combination rarely found below far pricier monitors. Directivity control is the tightest of this entire batch (directivity_spdi_stddev 2.87), and the listening-window response is smooth (smoothness_listening_window 0.380). Bi-amped 130W total (80W Class G woofer + 50W Class AB tweeter), each driver on its own amplifier. ‘Focus Mode’ switches the cabinet to a single-driver full-range reference signature for a second mix-translation check without extra hardware. Bass reaches 46.9Hz at -3dB / 38.1Hz at -10dB, solid for a 6.5” driver.

Cons: Bass alignment Q (lfq 0.826) is on the higher side, which can correlate with a touch of extra bass fullness/looseness versus a more critically-damped alignment. XLR-only balanced input, no unbalanced/TRS or digital connectivity. No automatic DSP room correction - tuning is limited to fixed analog shelving/high-pass switches. At $1,499 each ($2,998/pair), it’s a meaningful step up from typical prosumer active monitors.

Full Focal Solo6 ST6 review and specifications →

Amplification	130W total, bi-amped (80W Class G LF + 50W Class AB HF)
Bass Extension (-10dB)	38.1Hz (measured, spinorama.org)
Bass Extension (-3dB)	46.9Hz (measured, spinorama.org)
Dimensions	24.6 x 33.4 x 29.5cm (9.7 x 13.1 x 11.6 in) each, 13kg (28.6 lb) each
Drivers	1" Beryllium inverted-dome tweeter, 6.5" "W" composite sandwich-cone woofer
Maximum Output	110dB peak at 1m

As an eBay Partner, we may be compensated if you make a purchase.

• Links
  • Official Focal Solo6 ST6 Product Page
• Reviews, Comparisons and Sound Samples
  • Audio Science Review Measurements (spinorama.org)
  • Reddit Search for Focal Solo6 ST6 Review
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