Description
The Jensen MOD8-20 is an 8″ ferrite-magnet replacement driver rated at 20 watts (40W musical), designed to give small guitar and bass combos a straightforward, musical voice rather than a sterile, flat one. Lows sit loose and fat, mids stay firm and present, and the highs roll off smooth rather than harsh — a tonal balance guitarists will recognize as forgiving under drive. Push it hard and the MOD8-20 breaks up into a mellow fuzz-style overdrive instead of a brittle crack, while bass players will find it reads brighter than expected for its size.
- Impedance: 4 ohm
- Rated Power: 20W / Musical Power: 40W
- Sensitivity @ 1W, 1m: 93.2 dB
- Voice Coil DC Resistance: 3.26 Ω
- Magnet Type: Ferrite; Cone: Paper; Basket: Pressed sheet steel
For anyone specifying replacement drivers for combo cabs or small extension enclosures, the physical footprint matters as much as the sound: outer diameter 8.1496 in., mounting bolt circle 7.7559 in., and a compact 2.874 in. mounting depth that should slot into most stock 8″ baffles without clearance issues. Resonance frequency sits at 111.2 Hz with a compliance (CMS) of 204 µm/N and moving mass (MMS) of 10.10 g, consistent with its low-end character. If you’re chasing a vintage-leaning, touch-responsive tone in a smaller cabinet rather than raw SPL for a PA rig, this driver is built for that job.
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