Proac K6 — Signature Review
| Feature | ProAc K6 Signature | Focal Sopra N°2 | B&W 803 D4 | | :--- | :--- | :--- | :--- | | | Soft Dome | Beryllium Inverted | Diamond Dome | | Bass Loading | Dual front port | Front port | Rear port | | Sensitivity | 90.5dB | 91dB | 90dB | | Nominal Impedance | 8 ohms | 8 ohms | 8 ohms | | Price (USD) | $12,500/pair | $15,000/pair | $18,000/pair | | Sound Character | Neutral-warm, forgiving | Analytical, ultra-detailed | Bright, hyper-resolving | | Best Amplifier Match | Tube or Class A/B | High-current SS | High-damping SS |
The cabinet itself is heavily braced and typically finished in real wood veneers (Black Ash, Cherry, Mahogany, and Rosewood were common). The build quality is tank-like. Rapping your knuckles on the side panel yields a dull thud, indicating high rigidity and low resonance—a critical factor in the speaker's tuneful bass response. proac k6 signature review
The soft dome tweeter is a point of contention for some analytical listeners. If you are looking for the "shimmer and spark" that highlights every flaw in a recording, the K6 might seem polite. However, for long listening sessions, it is a savior. It delivers plenty of detail—the decay of a cymbal, the breathiness of a flute—but does so without aggression. It forgives harsh recordings, smoothing over digital glare in a way that makes lower-bitrate files or bright amplifiers much more tolerable. | Feature | ProAc K6 Signature | Focal
The bass duties are handled by , also using a Kevlar weave. These are not long-throw, high-excursion subwoofer drivers. Instead, they are fast, lightweight cones designed for pitch definition rather than sheer boom. The claimed in-room response is 20Hz to 30kHz. In reality, expect solid, usable output down to 28Hz in a medium-to-large room. The soft dome tweeter is a point of