ESL-57 vs Acoustic Energy AE120²
The AE120²'s impedance is 8Ω against the ESL-57's 15Ω, its low-frequency extension 39 Hz against 45 Hz, and its high-frequency extension 26 kHz against 18 kHz. Both share sensitivity (89 dB).
AI-generated product photo — not official manufacturer imagery.
LoudspeakersFloorstanding SpeakersDiscontinued
Estimated price (community-sourced)
$1,850
Around — community and catalog average, updates slowly
About the ESL-57
The Quad ESL-57 is the original full-range electrostatic loudspeaker from Quad, launched in 1957 and widely regarded for its exceptional midrange clarity and natural sound reproduction. It is a floorstanding, dipole speaker with two electrostatic bass/mid panels and a central electrostatic treble section.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 89 dB SPL @ 1W/1m
- Impedance
- 15Ω
- Frequency Response
- 45 Hz - 18 kHz
Speaker Design
Driver configuration and enclosure design
- Configuration
- 2-way
- Driver Count
- 3
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 790 × 880 × 270 mm (W × H × D)
- Weight
- 18 kg (40 lbs)
Key Specifications
Sensitivity: 89 dB
Impedance: 15Ω
Frequency: 45-18000 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions