Quad
ESL-63
Introduced 1981$3,000 MSRP
Peter Walker's second electrostatic uses concentric ring electrodes driven through delay lines to emulate a point source. Regarded as one of the most accurate midrange transducers ever sold.
MSRP
$3,000
Used market · Very Good
$2,600
-13% vs MSRP
as of Aug 15, 2026MSRP to used market
From $3,000 at launch to $2,600 today.
Specifications
- Type
- full-range electrostatic
- Drivers
- electrostatic panel with concentric annular electrodes
- Weight
- 42 lbs
- Dimensions
- 36.5 x 26 x 10.6"
- Impedance
- 8 Ω
- Sensitivity
- 86 dB
- Power handling
- 100 W
- Frequency response
- 35 Hz - 20 kHz
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