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> Classifieds > > > Stunning Brentworth Sound Lab Type 1 Speakers (100dB efficient)

FOR SALE: Stunning Brentworth Sound Lab Type 1 Speakers (100dB efficient)

Item #649446292
Info: Stunning Brentworth Sound Lab Type 1 Speakers (100dB efficient)

Asking Price:
CAD $2500.00
Payment method: Cash, Money Wire, Interac/EMT
Condition: 9 - Excellent (?)
Date Posted: Jun 28, 18 9:02am (PST)
Edited: Dec 04, 18 8:21am
About Seller: pguiney
pguiney is a premium user
Victoria, BC
Canada
[other classified ads]
Feedback Received: 132  See details
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External Feedback: wild4u1962 (22)
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Description

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For sale here is a very rare set of Audio speakers, these are in NOS condition, and the original MSRP was $5500 USD which by using the inflation calculator puts them at $9000 in 2018 $$.

Price includes Packing and Shipping within Canadian Provinces.

Ideally designed for tube amplification but they work equally as well with solid state gear, IMO. You will likely never see another set available for sale that are literally in new condition. Bought by my local Hi-Fi shop in 2005 and stored in their basement until they recently moved, I was lucky enough to be in the right place at the right time to grab these during the move. The Cabinets are unique - made from a heavy Corian type material called Gibraltar that looks and feels like stone/granite.

The BRENTWORTH Type I loudspeaker utilizes a single 6.25 inch (158 mm) dynamic driver and BSL's proprietary loading system to achieve spectacular results. None of their 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 I a very easy speaker to drive. Recommended power is 3 watts to 100 watts

Acoustic Specifications

Frequency Response: 50 Hz - 20 kHz +- 3db
Sensitivity: 100 dB 1 watt input @ 1 meter
Input Impedance: 5 ohms non-reactive load
Recommended Amplifier power: 3 watts to 100 watts
Crossover Type: NONE
Driver Compliment: One 6.25 (158 mm) full range transducer
Loading System: Proprietary Dynamic Loading Enclosure
Connections: Solid Oxygen free copper binding posts with minimal internal silver wiring
Physical Specifications

Height 42.5 inches (108 cm) with stands
Width 9.25 inches (23.5 cm)
Depth 12.75 inches (32.5 cm)
Weight 82 lbs. (38 kg)

Never before has a single product so dramatically upset the normal rules of system architecture. Combining high efficiency (100 dB for 1 watt and over), no cross-over and only one 6.5" driver, these speakers redefine resolution, clarity, dynamics and tonal and timbral accuracy. Finally a speaker that does not have to be 'fixed' by the electronics. Suddenly the path is open to simply chose amplification that sounds good. And, without the need for high power, this speaker can make use of better sounding lower output amplifiers. The fewer gain stages in the amplification the better. All things being equal the same design will sound better at 25 watts than it will at 50 watts. The design calls for the entire chamber to be mated to, and damped with, a non-resonant substance to control spurious resonance. The material chosen for this purpose is Gibraltar', a high-tech, solid-surface material. Strikingly beautiful, Gibraltar' is used to fabricate the matching stands supplied with the Type 1 speakers. The specially-made, 6.5 inch drivers are incredibly light and stiff, capable of reproducing 20 Hz - 20 kHz when reinforced (acoustically) in the enclosure.






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