SoundLabs A1 Electrostatic Loudspeakers
- Condition: Used
- Price: 971.91 EUR
- Status: unsold
- Item number: 286235189963
- Bids: 0
- Seller: michaelbrenden (1222|100.0%)
- Seller information: non commercial
- Item location: Germantown, Maryland
- Ships to: None
- Shipping: 0,0 EUR
- on EBAY
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Description
Excellent appearance. One speakers panel buzzes at moderate-high to loud volumes. Nice for low-level background quality music. Doubles as room dividers. The Sound Lab A-1 is a full-range electrostatic loudspeaker renowned for its exceptional audio fidelity and innovative design. Developed by Sound Lab, a company established in 1978 by Dr. Roger West and Dr. Dale Ream, the A-1 exemplifies their commitment to electrostatic technology for accurate sound reproduction. **Design and Technology** The A-1 employs a unique approach to achieve wide horizontal dispersion and low distortion. Instead of a curved diaphragm, it features an array of flat, segmented cells arranged to approximate a curved surface. This design ensures symmetrical diaphragm movement, enhancing linearity and reducing distortion. To address diaphragm resonance, the A-1 utilizes Sound Labs patented distributed bass resonance principle. This technique staggers the resonance frequencies across different diaphragm sectors, spreading bass energy over a broader range. The result is extended bass response with reduced resonance-induced coloration. **Specifications** - **Frequency Response:** 28Hz to beyond 20kHz- **Nominal Impedance:** 8 ohms- **Sensitivity:** Equivalent to 88dB/1W/1m at 4 meters- **Amplifier Power Requirements:** Minimum 100W; maximum music power 450W- **Dimensions:** 81.24 H x 35.5 W x 10.5 D (panel); 25 D (base)- **Weight:** 185 pounds per speaker **Performance** The A-1 is acclaimed for its seamless integration across the audio spectrum, delivering a coherent and natural soundstage. Its full-range electrostatic design provides clarity and detail, with bass extension reaching down to 28Hz. The speakers 90-degree horizontal dispersion ensures consistent sound quality throughout the listening area. **Amplification and Compatibility** Due to its design, the A-1 benefits from high-powered amplification, particularly tube amplifiers capable of delivering substantial voltage swings. Amplifiers with at least 100W per channel are recommended to fully realize the speakers potential. The A-1s impedance characteristics make it a suitable match for tube amplifiers, including Futterman-type OTL designs, which can enhance its performance. **User Feedback** Owners of the Sound Lab A-1 praise its natural sound reproduction and expansive soundstage. Listeners report minimal fatigue during extended sessions, attributing this to the speakers accurate and engaging presentation. Some users note the speakers substantial size and the need for powerful amplification as considerations for potential buyers. **Conclusion** The Sound Lab A-1 stands as a testament to the capabilities of electrostatic loudspeaker technology. Its innovative design and meticulous engineering offer audiophiles a compelling option for high-fidelity sound reproduction, provided they can accommodate its size and amplification requirements.
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