Paradigm Founder 70LCR vs Paradigm Founder 90C

Last updated: October 5, 2026

Short answer: the Paradigm Founder 70LCR. It ranks #21 of 98 center channel speakers by sound quality, rated 4.1/5, at $1,799.99; the Paradigm Founder 90C ranks #96, rated 2.5/5, and costs $2,899.99, so there is little reason to consider the other one.

Paradigm Founder 70LCR vs Paradigm Founder 90C

The Paradigm Founder 70LCR is the better-sounding choice. 3-way sealed enclosure featuring an AL-MAC ceramic dome tweeter nested inside an AL-MAG coaxial midrange, flanked by dual 5.5-inch Carbon-X woofers. Watch for: 69Hz bass extension (-2dB) requires bass management with a dedicated subwoofer.

The case for the Paradigm Founder 90C: A three-way center with a coaxial 1” AL-MAC ceramic dome tweeter in a 6” AL-MAG midrange, plus two 7” Carbon-X passive radiators in a sealed cabinet. The tradeoff: Its preference score is low for the price, 2.08 without a subwoofer and 4.22 with one: the listening window spans 4.6dB from 300Hz to 5kHz and the predicted in-room response is not smooth (0.40).

Buy the Paradigm Founder 70LCR. It is rated higher for sound quality than the Paradigm Founder 90C and costs less, so only choose the other one for a particular feature it does better.

Want more options? Browse the full Passive Home rankings.

Specifications Side By Side

Paradigm Founder 70LCR Paradigm Founder 90C
Price$1,799.99$2,899.99 each
Ranked#21 of 98 in Center Channel Speakers#96 of 98 in Center Channel Speakers
Drivers1” AL-MAC tweeter with OSW waveguide, 6” AL-MAG coaxial midrange, 2 x 5.5” Carbon-X woofersCoaxial 1” AL-MAC ceramic dome tweeter and 6” AL-MAG midrange, 2x 7” Carbon-X passive radiators
Frequency Response69Hz - 23kHz (±2dB)55Hz-23kHz ±2dB (manufacturer specified)
Sensitivity92dB in room, 89dB anechoic (2.83V/1m)91dB anechoic, 94dB in-room (manufacturer specified)
Impedance8 ohms compatible8 ohms nominal (manufacturer specified)
Enclosuresealed-
Dimensions8”H x 18.9”W x 12.3”D (204 x 480 x 313 mm)8.9”H x 35.7”W x 12.9”D (226 x 908 x 327 mm)
Weight30 lbs (13.6 kg)48.1 lbs (21.8 kg)
DIY KitNoNo
Woofer Cabinet-sealed with passive radiators
Bass Extension (-3dB)-52.7Hz (measured, Erin’s Audio Corner)
Bass Extension (-10dB)-about 42.0Hz (measured, Erin’s Audio Corner)
Spinorama Preference Score-2.08
Spinorama Preference Score with Perfect Sub-4.22

How Paradigm Founder 70LCR compares with other leading options:

Prices on this page were last checked October 5, 2026 at 10:21 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.

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The Two Speakers In Full

Paradigm Founder 70LCR: $1,799.99 Estimated Audio Advice eBay

Paradigm Founder 70LCR ranking card

Pros: 3-way sealed enclosure featuring an AL-MAC ceramic dome tweeter nested inside an AL-MAG coaxial midrange, flanked by dual 5.5-inch Carbon-X woofers. Coaxial acoustic centering prevents horizontal lobing while sealed loading enables clean in-cabinet integration.

Cons: 69Hz bass extension (-2dB) requires bass management with a dedicated subwoofer. Premium price tier. Rating estimated from Founder series measurements.

DIY KitNo
Dimensions8”H x 18.9”W x 12.3”D (204 x 480 x 313 mm)
Drivers1” AL-MAC tweeter with OSW waveguide, 6” AL-MAG coaxial midrange, 2 x 5.5” Carbon-X woofers
Enclosuresealed
Frequency Response69Hz - 23kHz (±2dB)
Impedance8 ohms compatible
Sensitivity92dB in room, 89dB anechoic (2.83V/1m)
Weight30 lbs (13.6 kg)

Paradigm Founder 90C: $2,899.99 each Audio Advice eBay

Paradigm Founder 90C ranking card

Pros: A three-way center with a coaxial 1” AL-MAC ceramic dome tweeter in a 6” AL-MAG midrange, plus two 7” Carbon-X passive radiators in a sealed cabinet. Erin’s Audio Corner measured bass to 52.7Hz (-3dB) and about 42Hz (-10dB), and Paradigm rates it at a high 91dB sensitivity. Measured bass extension of 52.7Hz (-3dB).

Cons: Its preference score is low for the price, 2.08 without a subwoofer and 4.22 with one: the listening window spans 4.6dB from 300Hz to 5kHz and the predicted in-room response is not smooth (0.40). At $2900 several far cheaper centers here measure better. It is 908mm wide and weighs 48 lb.

Bass Extension (-10dB)about 42.0Hz (measured, Erin’s Audio Corner)
Bass Extension (-3dB)52.7Hz (measured, Erin’s Audio Corner)
DIY KitNo
Dimensions8.9”H x 35.7”W x 12.9”D (226 x 908 x 327 mm)
DriversCoaxial 1” AL-MAC ceramic dome tweeter and 6” AL-MAG midrange, 2x 7” Carbon-X passive radiators
Frequency Response55Hz-23kHz ±2dB (manufacturer specified)
Impedance8 ohms nominal (manufacturer specified)
Sensitivity91dB anechoic, 94dB in-room (manufacturer specified)
Spinorama Preference Score2.08
Spinorama Preference Score with Perfect Sub4.22
Weight48.1 lbs (21.8 kg)
Woofer Cabinetsealed with passive radiators