Original Large Advent 2-Way Bookshelf Speakers, USA-Made

A genuine slice of speaker history: Henry Kloss’s landmark direct-radiator design that helped define the American “New England School” of hi-fi.

Designed by Henry Kloss of AR, KLH, and later Advent fame, the Original Advent Loudspeaker debuted in 1969 and quickly became one of the most popular and influential speaker models ever built in North America. Its two-way direct-radiator design paired a large 10-inch acoustic-suspension woofer with a compact dome tweeter, an approach that delivered surprisingly full, natural sound from a relatively affordable, unassuming walnut veneer cabinet. A rear-panel tweeter balance switch lets listeners fine-tune high-frequency output to flat, +3dB, or -3dB, adapting the sound to room acoustics or personal taste.

This pair presents in Good cosmetic condition, with cabinets and grilles holding up well for a speaker of this vintage. It has undergone Radique’s Level 1 service and testing which should ensure many more years of reliable performance ahead.

Specifications (per manufacturer literature and legacy documentation):

Design: Two-way direct-radiator (acoustic-suspension) loudspeaker
Woofer: One 10-inch cone driver
Tweeter: One 25mm dome tweeter
Crossover frequency: 1500 Hz (Stereophile’s 2006 specifications sidebar lists 1 kHz; figures vary by production era)
Frequency response: 20-15,000 Hz ±3dB
Balance control: Tweeter switch selects flat, +3dB, or -3dB
Impedance: 8 ohms
Power handling: 25W RMS, 100W program
Finish: Walnut veneer
Original manufacturer: Advent Corporation, Cambridge, Massachusetts, USA

Dimensions: (Width x Height x Depth) 14 x 26 x 11.5 inches (356 x 660 x 292 mm)
Weight: 47 lbs (21.3 kg) each

This is a rare chance to own one of the most historically significant speaker designs in American hi-fi, freshly serviced and ready to bring warmth and character to any vintage or modern system. Don’t miss this Good-condition Original Large Advent pair.

Backed by Radique Audio’s Bumper-to-Bumper Warranty and our Perpetual Trade-Back Program, you can purchase with confidence.