Bring back the timeless sound of your vintage Acoustic Research speaker systems OEM 8" replacement woofers. Originally featured in many beloved Acoustic Research models, these woofers, with part number 1210156-3, are meticulously crafted to deliver exceptional audio quality and faithfully reproduce your favorite music and movies.

Specifications:

• Nominal Diameter: 8" (8.25" overall outside diameter)
• Power Handling (RMS): 50 Watts
• Power Handling (max): 100 Watts
• Impedance: 8 ohms
• Frequency Response: 30 to 1,000 Hz (woofer)
• Sensitivity: 81 dB 1W/1m
• Voice Coil Diameter: 1"
• Resonant Frequency (Fs): 30 Hz
• DC Resistance (Re): 7.4 ohms
• Voice Coil Inductance (Le): 1.15 mH
• Total Q (Qts): 1.33
• Cone Material: Paper
• Surround Material: Foam
• Voice Coil Wire Material: Copper
• Basket / Frame Material: Steel
• Magnet Material: Ferrite

With a comprehensive range of Thiele-Small parameters and high-quality construction materials including a paper cone, foam surround, and copper voice coil wire, these woofers ensure accurate, detailed sound reproduction across the frequency spectrum.

Dimensions:

• Overall Outside Diameter: 8.25"
• Baffle Cutout Diameter: 7.125"
• Depth: 3.5"
• Bolt Circle Diameter: 7.875"
• Mounting Holes: 4

Pair these authentic Acoustic Research woofers with your existing speaker cabinets or DIY projects to enjoy a vintage audio experience like never before. Upgrade your classic speakers today and rediscover the rich, warm sound that made Acoustic Research a legend in audio engineering.

Weight: 3.0000 lbs. Part Number: 1210156-3

Don't miss this opportunity to enhance your audio setup with genuine Acoustic Research quality. Bid now and bring new life to your cherished speakers!"