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Kef_chorale

Restoring a KEF Chorale

The KEF Chorale is a classic two-way bookshelf loudspeaker from the 1970s, celebrated for its natural tonal balance and precise engineering. Featuring an acoustic suspension sealed-box cabinet, it pairing the legendary T27 Mylar dome tweeter (SP1032)—famous for its crisp highs and use in the BBC LS3/5A—with an 8-inch B200 Bextrene woofer (SP1014) for smooth, articulate midrange. It delivers an authentic "British sound" with exceptional vocal detail and controlled bass response, making it a standout choice for vintage Hi-Fi enthusiasts.

KEF Chorale Technical Specifications
System Type2-way, Closed-box / Acoustic Suspension
High-Frequency Driver19 mm (0.75 in) T27 Mylar Dome (SP1032)
Low/Mid-Frequency Driver200 mm (8 in) B200 Bextrene Cone (SP1014)
Crossover NetworkDN13 (SP1015) @ 3,500 Hz
Frequency Range35 Hz – 30,000 Hz
Nominal Impedance8 Ohms
Maximum Power Handling25 Watts (Program)
Sensitivity / Efficiency96 dB SPL (at 1m for 9.6W input in lab conditions)
Internal Volume20 Liters
Dimensions (H x W x D)470 x 280 x 220 mm (18.5 x 11.0 x 8.6 in)
Weight7.5 kg (16.5 lbs) per speaker