T/5x vs Sonus Faber Gravis I
The Gravis I's power @ 8ω is 150W against the T/5x's 125W and its low-frequency extension 30 Hz against 32 Hz. Both share high-frequency extension (120 Hz) and woofer (8").
AI-generated product photo — not official manufacturer imagery.
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Estimated price (community-sourced)
$799
Around — community and catalog average, updates slowly
About the T/5x
The REL Acoustics T/5x is a compact, sealed subwoofer from the T/x series, featuring an upgraded 8-inch FibreAlloy long-throw down-firing driver with aluminum and paper composite cone, inverted alloy dust cap, and steel chassis for enhanced speed, detail, and dynamic bass. It employs a reliable 125W RMS Class A/B MOSFET amplifier with improved transparency and internal upgrades for superior performance in stereo and home theater setups. The rigid laminated plywood cabinet with internal bracing and thicker walls minimizes resonance, while controls include low-pass crossover (30-120 Hz), phase switch, separate High/Low and .1/LFE level adjustments, and an 8ms input filter for lag-free integration. Connectivity supports high-level Neutrik Speakon (with 10m cable), low-level single RCA, and LFE RCA inputs; optional REL Arrow wireless. Finishes in gloss black or white, it's visually discreet yet sonically powerful, ideal for seamless system enhancement without overpowering small/medium spaces.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Frequency Response
- 32 Hz - 120 Hz
- Power Handling
- 125W
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 125W @ 8Ω
- Amplifier Class
- AB
Speaker Design
Driver configuration and enclosure design
- Driver Type
- FibreAlloy long-throw woofer
- Driver Size
- 8"
- Driver Count
- 1
- Enclosure Type
- sealed
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- High-level Neutrik Speakon, Low-level single RCA, LFE RCA (mono)
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 300 × 307 × 313 mm (W × H × D)
- Weight
- 14.3 kg (32 lbs)
- Available Colors
- high-gloss lacquer finish (gloss black), high-gloss lacquer finish (gloss white)
Key Specifications
Power: 125W
Frequency: 32-120 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions