LIVE
Waiting for new listings…
0 other audiophiles online
Yamaha KA-20 Keyboard Amplifier 150W Black, Remote, Jack & DIN I/O
Yamaha 2 views

Yamaha KA-20 Keyboard Amplifier 150W Black, Remote, Jack & DIN I/O

USD$353 GBP$261
Location
GB
Seller
tonbrid85
Source
eBay UK
Posted
3h ago
Last seen
32m ago

RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.

Our Thoughts RADAR AI

This is a buyer’s market for this category right now: at £261, it sits above the £171 median and just under the £314 75th percentile, so it reads as a somewhat ambitious ask rather than a bargain. It isn’t wildly off, but there’s not much room for error at this level.

What makes it interesting is the practical appeal of a solid Yamaha amp with flexible inputs and enough power for rehearsal-room or keyboard use, plus the chance to get a working example without paying top-end money. If the listing is clean, complete, and properly tested, it can still make sense for someone who wants a dependable utility piece; I’d just want proof of condition and all the expected accessories before paying near the upper quartile.

Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.

About Yamaha

Yamaha stands as one of the world's most storied audio manufacturers, with roots extending far beyond consumer electronics. Founded in 1887 by Torakusu Yamaha in Hamamatsu, Japan, the company began as a reed organ manufacturer before expanding into pianos and eventually becoming a comprehensive musical instrument maker. This deep heritage in acoustics and materials science would prove foundational to its later audio ventures. The company operated under its original name, Nippon Gakki Co., Ltd., until 1987, when it was renamed Yamaha Corporation in honor of its centennial.

Yamaha's entry into high-fidelity audio proved transformative for the industry itself. In 1954, the company released the Yamaha Hi-Fi Player, widely recognized as the world's first audio component to bear the "Hi-Fi" designation in its name. The company subsequently built a comprehensive product portfolio spanning amplifiers—beginning with the acclaimed A-100 in 1960—speakers, turntables, and digital audio equipment. The NS-1000 speakers, introduced in 1974 with beryllium drivers, became iconic reference monitors. Yamaha also pioneered digital audio technology, shipping the world's first CD recorder in 1988.

Today, Yamaha occupies a distinctive position as a mid-to-high-end generalist rather than a niche specialist. The brand commands respect among both casual listeners and serious audiophiles, balancing accessibility with genuine engineering credibility. Its reputation rests on six decades of consistent innovation, proven reliability, and the unique advantage of applying musical instrument expertise to audio reproduction. Vintage Yamaha components remain highly sought by collectors, while current products maintain the brand's tradition of delivering performance and durability across multiple price tiers.

See all Yamaha listings on RADAR.

More Yamaha listings