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NuForce IA-18 Integrated Amplifier (Solid State) NuForce IA-18 Integrated Amplifier is a single-chassis integrated stereo amplifier of unprecedented value and performance capabilities. This remarkable unit incorporates components used in NuForce’s celebrated Reference Series products. Though I have the box, I much prefer a local buyer. I can ship but buyer must arrange and pay for it, thanks. 6moons review https://6moons.com/audioreviews/nuforce19/1.html Technical Specs: Number Of Channels 2 Frequency Response 20 Hz - 50 kHz (+/- 1dB) Watts RMS per Channel (2 Ω) 335 W Watts RMS per C
The NuForce IA-18 is a solid integrated amp from the early 2010s, but with newer Class D designs now dominating and NuForce's shift to Optimus line, this listing's timing feels neutral—neither a fire sale nor a collector's holdout. At AUD2,750 for unknown condition, it's smack in the sweet spot of recent AUD comps (25th percentile AUD2,688 to 75th AUD2,887, median AUD2,788), making it a fair ask for a buyer willing to inspect. No bargain steal, but not ambitious either if it's clean.
Before biting, verify the power supply's health—those switchers can hum or fail from heat stress over a decade—and test all inputs/outputs for channel imbalance, a known quirk in early IA-18s. Insist on original remote, manual, and power cord; missing bits tank resale. Probe the seller hard on hours used and service history.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
NuForce emerged in 2005 as a California-based innovator in high-end audio, co-founded by engineer Jason Lim, whose prior work at tech giants like Motorola and Oracle informed its pioneering designs. The company quickly distinguished itself by securing three US patents in Class D amplifier technology, establishing a reputation for efficient, high-performance amplification that challenged traditional solid-state approaches. In the early 2010s, Lim spun off its high-end assets into NuPrime Audio in 2014, while Optoma acquired the core NuForce brand around 2015, integrating it into a lineup blending pristine audio with video systems.
NuForce specialized in compact, audiophile-grade components, particularly digital amplifiers, DACs, and wireless streaming solutions tailored for home cinema and hi-fi setups. Its portfolio emphasized modular separates—preamps, power amps, and integrated units—alongside headphones, cables, and accessories that prioritized clarity and power efficiency. Post-acquisition, the focus expanded to complement Optoma projectors, though the brand retained its core strength in Class D tech for both stereo and multi-channel applications.
Positioned as a mid-tier disruptor, NuForce earned acclaim from outlets like The Absolute Sound for value-driven performance that punched above its price, appealing to savvy buyers seeking modern efficiency without ultra-premium excess. Though less prominent today under Optoma, its legacy endures among enthusiasts valuing innovative, patent-backed amplification in a boutique market segment.
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