LS5/1 vs LS4/4
The LS4/4's sensitivity is 88 dB against the LS5/1's 89 dB, its low-frequency extension 40 Hz against 37 Hz, and its high-frequency extension 20 kHz against 18 kHz. Both share impedance (8Ω).
AI-generated product photo — not official manufacturer imagery.
LoudspeakersFloorstanding Speakers
Estimated price (community-sourced)
$14,192
Around — community and catalog average, updates slowly
About the LS5/1
The Graham Audio LS5/1 is a floorstanding, BBC-style loudspeaker that revives the classic LS5/1 concept using modern materials and techniques. It uses a large 15-inch bass/midrange driver with two 25mm soft-dome tweeters, a thin-wall damped MDF cabinet, and a 1.6kHz crossover to achieve high output and wide bandwidth for domestic listening rooms.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 89 dB SPL @ 1W/1m
- Impedance
- 8Ω
- Frequency Response
- 37 Hz - 18 kHz
- Power Handling
- 250W
- Min. Amplifier Power
- 50W
- Max. Amplifier Power
- 250W
Speaker Design
Driver configuration and enclosure design
- Configuration
- 2-way
- Driver Type
- dynamic
- Driver Size
- 15"
- Driver Count
- 3
- Enclosure Type
- ported
- Crossover Frequency
- 1.6 kHz
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 430 × 1030 × 480 mm (W × H × D)
- Weight
- 42 kg (93 lbs)
- Available Colors
- real wood veneer
Key Specifications
Sensitivity: 89 dB
Impedance: 8Ω
Frequency: 37-18000 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions