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BIC Venturi Formula 4 Speakers
The BIC Venturi Formula 4 is a vintage 3-way bookshelf speaker introduced around 1974-1976. It is widely recognized for its high efficiency and the patented "Venturi Port," which allows for deep bass response even from low-powered amplifiers.
Key Specifications
- System Type: 3-way passive bookshelf speaker
- Enclosure: Bass Reflex with Venturi Port
- Woofer: 10-inch driver with a treated or rubber surround
- Impedance: 6 Ohms (nominal)
- Frequency Response: 25 Hz – 23,000 Hz
- Sensitivity: Extremely high; can be driven by amplifiers as low as 15 watts RMS
- Dimensions: 13.25" W x 25" H x 13" D (approx. 33.7 x 63.5 x 33 cm)
- Controls: "Dynamic Tonal Balance Compensation" panel with a manual/automatic switch and an adjustment pot for mid-range.
Audio Profile & Performance
- Bass: Known for being heavy and "mettle-showing" when pushed, but it can lack definition compared to modern tuned ports.
- Highs: The horn and tweeter provide crisp, detailed highs that excel with jazz and acoustic material.
- Efficiency: Its standout feature; it produces significant sound pressure levels with very little input power.
$300.00
BIC Venturi Formula 4 Speakers—
$300.00
Product Information
Product Information
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Shipping & Returns
Description
The BIC Venturi Formula 4 is a vintage 3-way bookshelf speaker introduced around 1974-1976. It is widely recognized for its high efficiency and the patented "Venturi Port," which allows for deep bass response even from low-powered amplifiers.
Key Specifications
- System Type: 3-way passive bookshelf speaker
- Enclosure: Bass Reflex with Venturi Port
- Woofer: 10-inch driver with a treated or rubber surround
- Impedance: 6 Ohms (nominal)
- Frequency Response: 25 Hz – 23,000 Hz
- Sensitivity: Extremely high; can be driven by amplifiers as low as 15 watts RMS
- Dimensions: 13.25" W x 25" H x 13" D (approx. 33.7 x 63.5 x 33 cm)
- Controls: "Dynamic Tonal Balance Compensation" panel with a manual/automatic switch and an adjustment pot for mid-range.
Audio Profile & Performance
- Bass: Known for being heavy and "mettle-showing" when pushed, but it can lack definition compared to modern tuned ports.
- Highs: The horn and tweeter provide crisp, detailed highs that excel with jazz and acoustic material.
- Efficiency: Its standout feature; it produces significant sound pressure levels with very little input power.
