R-COMPARE
Radiotehnika Sigma 1.02 floorstanding speakers / KEF Q750 floorstanding speakers
Spec deltas, DNA with confidence and what the specialists said. “Better” only where a source backs it.
Radiotehnika Sigma 1.02 floorstanding speakers124,990 RUBper pairKEF Q750 floorstanding speakers99,000 RUB149,000 RUBper pairpromo
Specifications
same tierRadiotehnika Sigma 1.02 and KEF Q750 are the same tier; they differ in character and in the figures below.
| Parameter | Radiotehnika Sigma 1.02 floorstanding speakers | KEF Q750 floorstanding speakers | favours |
|---|---|---|---|
| Tier | mid | mid | |
| Sensitivity | 89.8 dB/W | 88 dB/W | Radiotehnika Sigma 1.02 floorstanding speakers |
| Low-frequency limit | 42 Hz | 48 Hz | Radiotehnika Sigma 1.02 floorstanding speakers |
| Nominal impedance | 6 Ω | 8 Ω | KEF Q750 floorstanding speakers |
| Size class | large floorstander | mid floorstander | |
| Bass drivers | 2×200 | 2×165 | |
| HF level adjustment | 2 dB | — | Radiotehnika Sigma 1.02 floorstanding speakers |
| Height | 1,050 mm | 977 mm | KEF Q750 floorstanding speakers |
| Weight (each) | 27.7 kg | 16.5 kg | |
| Delivery character | energetic | neutral | |
| Price | 124,990 RUB | 99,000 RUB |
Product DNA
- Bass depth8 / 6
- ✓ Radiotehnika Sigma 1.02: easier to drive (+1.8 dB/W)
- ✓ Radiotehnika Sigma 1.02: deeper bass (42 Hz vs 48 Hz)
- ✓ KEF Q750: easier for AV receivers (8 Ω)
- ✓ Radiotehnika Sigma 1.02: has an HF level adjustment
- ○ Bass depth: Radiotehnika Sigma 1.02 8/10, KEF Q750 6/10
R-COMPARE · 1.0.0+c1.0.0 · confidence 0.75
Who each suits
Radiotehnika Sigma 1.02 floorstanding speakers
- loud, energetic, driving sound for rock, metal and electronic music AI draft, under review
- deep, physical bass without a subwoofer (42 Hz at −3 dB, twin 20 cm woofers) AI draft, under review
- a wide choice of amplifiers: 91 dB / 6 Ω is an easy load, works with modest power AI draft, under review
- rooms of 18–35 m², incl. open-plan — with an amplifier of 100 W or more AI draft, under review
KEF Q750 floorstanding speakers
- home-cinema front: “better suited to cinema with effects, explosions and gunfire”; a Q750 + Q150 + Q250c set approved by specialists AI draft, under review
- loud listening: 111 dB maximum SPL — 8/10 by rule AI draft, under review
- mid-class AV receivers: Denon AVR-X1800H, Onkyo TX-NR5009, Pioneer VSX-935 M2 approved; Yamaha RX-V6A — for cinema AI draft, under review
- placement closer to the wall: passive radiators instead of a port — “not critical to placement” by rule AI draft, under review