Brentworth Sound Lab III with bass modules

I’ve owned these for nearly 20 years and I am the original owner. They have performed flawlessly and sound every bit as good as the day that I bought them.  They are in very good condition.  The only less-than-perfect aspect of their condition is that the grill cloth material has dried out somewhat and isn't as supple as when they were new. This has no impact on how they sound whatsoever. These are incredibly accurate speakers, the soundstage is wide and they perfectly reproduce the sound and character of the recording. When listening the speakers disappear and there is a palpable sense of where the musicians were located when they were recorded. I'm 62 and want to downsize my system completely to gain more space in my listening room  otherwise these would have been my last pair of speakers.  
www.northcountryaudio.com/...of-merit/...of.../brentworth-sound-lab-speake.html

The BRENTWORTH Type III loudspeaker utilizes two 6.25 inch (158 mm) dynamic drivers and BSL's proprietary loading system to achieve spectacular results. None of our loudspeakers employ crossovers. Instead, the enclosure design manages the driver to provide optimal damping at all frequencies. Elimination of the crossover has many benefits.Group Delay and Phase distortion are virtually eliminated, the complex impedances introduced by crossovers are eliminated, and the power losses of the crossover are eliminated.

The results are a speaker with exceptional transparency, integration and efficiency. The entire musical spectrum is connected. The transient response adds an entire dimension to the audio experience. The flat impedance makes the Type III a very easy speaker to drive.

Acoustic Specifications 

• Frequency Response: 20 Hz - 20 kHz +- 3db
• Sensitivity: 102 dB 1 watt input @ 1 meter
• Input Impedance: 4 ohms non-reactive load
• Recommended Amplifier power: 3 watts to 100 watts
• Crossover Type: NONE
• Driver Compliment: two 6.25 (158 mm) full range transducers
• Loading System: Proprietary Dynamic Loading Enclosure
• Connections: Solid Oxygen free copper binding posts with minimal internal silver wiring

Physical Specifications

• Height 39.5 inches (100.5 cm)
• Width 10.75 inches (27.5 cm)
• Depth 17.5 inches (44.5 cm)
• Weight 115 lbs. (53 kg)