Great Plains Audio designs and manufactures some of the finest loudspeakers in the world. We continue this tradition of excellence with the release of our newest loudspeaker, the Great Plains Audio Model 212-8A. The extension of usable lower frequency limits … Continue reading →
The Great Plains Audio 604-8H III Rev. 2 is more than just an evolution in the classic series of 604 Duplexes, it’s an AUDIO REVELATION! For more than fifty years, there has been one studio monitor loudspeaker that has been … Continue reading →
Great Plains Audio is now offering repair services for vintage JBL products. This includes new foam surrounds, cones, and diaphragms. We can also regauss your JBL Alnico magnets. Great Plains Audio uses only the finest available parts for speaker repair, … Continue reading →
The Allsonics Allure loudspeaker system uses Great Plains Audio compression drivers and low frequency transducers. They are $4,950/pair. The matching Momentum sub-woofers also use our our famous 416. Read the Part-Time Audiophile review of the Allure loudspeaker system. … Continue reading →
Serious Stereo’s Serious Stereo Speaker uses our world famous Great Plains Audio 604-8H III Duplex. They sell for $13,750/pair. Read the Six Moons review of this amazing loudspeaker. … Continue reading →
Alnico magnets, by their nature, are easy to degauss (demagnetize) with drive. They will not change with time and their dependence on temperature is really small – maybe 1% at 100 degrees Fahrenheit. Alnico stability and resistance to back EMF … Continue reading →
The Altec Lansing 9862 studio monitor speaker system was produced in the early eighties for sale exclusively to the Japanese market. It was a four way system using the 950-8A ring radiator tweeter, a 902 type driver on a special … Continue reading →
The Altec-Lansing Valencia 846B is an American audio classic that inspired the development of the legendary Model 19. It shares many similarities with the newer and larger Model 19. There were two versions of the Valencia: the 846A and 846B. … Continue reading →
The Altec-Lansing M500 Maestro is a largely lost and forgotten loudspeaker, but it is, perhaps, the best the company ever built. It arrived in the final days of Altec-Lansing, Inc., and production was cut short due to the sale of … Continue reading →
Altec Lansing invented the first DUPLEX® Loudspeaker System in 1941 (some sources say 1943 – we’re really not sure). Called the “601”, it was of the field-coil type and included a small-format HF compression driver mounted to a 12″ low … Continue reading →
