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Rogers LS4a
Quality British Monitors
Rogers LS4a
Quality British Monitors
Designed and built by Swisstone in the early 1990’s - before Rogers was taken-over and moved to Hong Kong.
These are tested and in full working order, sounding lovely with all types of music, especially Piano and female vocals.
This is an original factory matched pair, with serial numbers A & B. They are in excellent condition and full working order
Specifications:
• Frequency Response: 55 Hz - 20 kHz ±2 dB
• Impedance: 8 Ω Nominal
• Sensitivity: 88 dB at 1m for 2,83 volts input
• Power Handling: 150 watts (unclipped programme)
• Recommended Amplifier Power: 15 - 100 watts per channel
• Maximum Sound Pressure Level: 105 dBA (pair at 2 m)
• Drive Units:
• Tweeter : 19 mm Aluminium dome
• Bass/Mid-range: Rogers 205 mm Polypropylene coned of advanced acoustic design, with high flux magnet and Kapton voice coil former.
• Crossover: 8 precision elements crossing over at 3 kHz at 18 dB per octave
• Bass Loading: Acoustic suspension to form a well damped Butterworth 2nd oreder maximally flat alignment with a -3 dB point at 55 Hz.
• Distortion: Less than 1% 2nd and 3rd harmonic 50 Hz -20 kHz at 90 dB S.P.L.
• Connectors: 4 mm binding posts, spaced at 19 mm
• Recommended Placement: Stands - minimum 500 mm high with loudspeakers angled inwards so that their axes cross just in front of the listener.
• Cabinet: Critically damped particle board with medite baffle.
• Finish: High quality synthetic veneer, and black grille cloth
• Dimensions (H x W x D): 430 x 255 x 245 mm
• Weight: 7.8 kg
The pictures should tell you everything you want to know.
SOLD
Payment accepted via Credit/Debit Card, PayPal, Bank Transfer, Personal Cheque or cash on collection.
Economical worldwide shipping via UPS or FedEx – Expertly packed, tracked and insured.
Please contact us either by telephone on 01883 340073
or by sending and email to enquiries@retrotechaudio.co.uk
if you are interested in purchasing this item.
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