Quad ESL 57

Brand: Quad

The Quad ESL 57 is a high-performance electrostatic speaker developed by the British audio company Quad. It features a large rectangular panel, measuring 61 cm x 18 cm, that serves as both the speaker's diaphragm and electrode. The ESL 57 employs an electrostatic principle to convert electrical energy into sound, creating a detailed and transparent sonic image. It has a reported frequency range of 50 Hz to 40 kHz, with a particularly impressive midrange and treble performance. This unique speaker design is paired with a custom-made crossover and transformer to optimize the driver's performance, resulting in a highly detailed, holographic and effortlessly precise sound signature that defines the Quad hallmark.

• Type: 2 way, 3 driver loudspeaker system
• Frequency Response: 50Hz to 10kHz
• Sensitivity: 93dB
• Crossover frequency:
• Impedance: 15Ω
• Power handling:
• Recommended Amplifier:
• Dimensions: 880 x 790 x 270 mm
• Weight: 18 kg
• Year: 1957
• Price: