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Altec-Lansing-M500-Maestro

July 26, 2017November 4, 2022

The Altec Lansing Model 19-MR3: The Loudspeaker That Never Was

By GPA

July 25, 2017November 3, 2022

Altec Lansing Model 19 Cabinet Plans

By Jeff Markwart Altec-Lansing / Cabinet / Model 19

July 25, 2017November 3, 2022

Altec Lansing VOTT from Sound Practices Magazine

By Jeff Markwart Altec-Lansing / Voice of the Theatre / VOTT

July 25, 2017November 3, 2022

Altec Lansing Compression Driver Rear Loading Caps

By Jeff Markwart Altec-Lansing / Compression Driver / Rear Loading Cap

July 25, 2017November 3, 2022

Altec-Lansing 604E Super Duplex

By Jeff Markwart 604E Super Duplex / Altec-Lansing

GPA 604-8H-III-Rev-02

July 25, 2017November 3, 2022

Great Plains Audio 604-8H-III

By Jeff Markwart 604-8H III / Great Plains Audio / Review

July 24, 2017November 3, 2022

Recommended Parts – Substitutions – Construction Hints

By Jeff Markwart Crossover

July 24, 2017November 3, 2022

Altec Lansing 604-8K Duplex Studio Monitor

By Jeff Markwart 604-8K / Altec-Lansing / DUPLEX

About Us

Great Plains Audio was born out of the Altec Lansing corporation in 1998. It carries forward the loudspeaker design and manufacturing tradition that began with Western Electric in the early 20th century. Great Plains Audio is the only place where the legendary Western Electric/Altec Lansing sound reproduction technologies live on.

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7127 Northwest Third St. Oklahoma City,
Oklahoma, USA, 73127
405-789-0221