Quad ESL 63 Speaker Pair Completely Rebuilt - $2,500 (Fountain Valley)

Quad ESL 63 Speaker Pair Completely Rebuilt 1

Quad ESL 63 Speaker Pair Completely Rebuilt 1 thumbnail

condition: like new

make / manufacturer: Quad

model name / number: ESL63

size / dimensions: 11 d x 26 w x 36 h

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These Quad ESL 63s are classic vintage speakers that have been completely rebuilt to their original specifications. All diaphragms replaced, power supplies and protection circuits verified, new dust shields and grill cloths. New Walnut tops. Originally made in the United Kingdom by the renowned brand Quad, these speakers are highly sought after for their superior sound quality and unique design. With the Quad ESL 63 model, you can enjoy a seamless audio experience with a touch of nostalgia for vintage audio enthusiasts. Serial numbers 15831, 15832. These speakers sound fantastic!
Serious buyers are welcome to stop by and audition the speakers prior to purchase.

Added 9/16/26

All 4 panel sections ( 2 bass and 2 mid / treble) in each speaker were replaced in May of 2025. This included removing each old Mylar diaphragm and installing a new one in each panel section of each speaker. Each diaphragm was tensioned to the original Quad 63 specification and coated with a special electrostatic coating. Each panel was then tested for the proper resonance and then assembled together. A new wind screen was installed over each side of each speaker, then new grill cloth and Walnut top/bottom were added. The overall speaker was then tested for frequency response in a dead room. Since then I listen to them several days a week.

post id: 7994377071

posted: 2026-11-02 19:42

updated: 2026-11-09 19:55

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Quad ESL 63 Speaker Pair Completely Rebuilt - electronics - by owner...