They may not be the prettiest, but they sound great and you'll love listening to them.
The KLH Model 23 is a highly regarded, classic 2-way acoustic suspension loudspeaker from the late 1960s, designed under Henry Kloss. Known for a "creamy," natural sound and robust bass, they are considered superior to or on par with models like the Large Advent.
KLH Model 23 - Pair
Acoustic Suspension Design
- Uses a sealed cabinet to provide tight, accurate bass response that avoids the "boominess" of ported designs.
High-Mass Woofer
- Shares the same heavy-duty 10-inch woofer found in the flagship Model 5, featuring a larger magnet and a heavier cone for deeper resonance.
Tweeter Level Control
- A three-position switch on the rear allows you to adjust high-frequency output (Normal, Increase, Decrease) to match your room's acoustics.
Real Walnut Veneer
- Premium cabinets built with thick wood veneers
Permanent Cloth Surrounds
- Unlike speakers with foam that rots, these use treated cloth surrounds that stay durable for decades
System Type
- 2-Way Acoustic Suspension.
Drivers
Woofer
- 10" (254mm) high-compliance cone with a 1.5-lb square magnet.
Tweeter
- 1.75" (44mm)
Impedance
- 8 Ohms (nominal).
Crossover Frequency
- 1,500 Hz.
Power Handling
- Recommended for amplifiers between 25 and 100+ watts per channel.
Cabinet Dimensions
- Approx. 26" H x 13.75" W x 11.5" D.
Weight
- Roughly 45–50 lbs per speaker

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