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GPA family of loudspeakers

An Introduction to Great Plains Audio and Troy Audio – Keeping the Altec Tradition Vibrant! by Jeff Day

12-07-2019 | By Jeff Day | If you read my “Today’s Fresh Catch: The Great Plains Audio 802-16G Series II & 416-16B Drivers” post (HERE), you know I am pretty excited about the Great Plains Audio and Troy Audio commitment to keeping the vintage Altec tradition vibrant. I asked our Great Plains Audio and Troy Audio friends if they would tell...

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The Vintage Altec Experience by Jeff Day

The Vintage Altec Experience by Jeff Day Let’s start with a short Altec history lesson  Original text published: https://jeffsplace.positive-feedback.com/the-vintage-altec-experience/ I’ve been wanting to write an article about the “musicality magic” of vintage Altec loudspeakers for a while now, so consider this a mini-installment towards that goal, with – I hope – much more to come....

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GPA 212-8A

Great Plains Audio Model 212-8A

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 and the expansion of available dynamic range have placed greater demands on audio monitoring systems. As audio-video facilities are constructed or upgraded to accommodate HDTV, equal attention should be placed on providing a superior acoustic setting. Th e 212-8A will deliver the high definition audio reproduction required for this environment. Recording studios, mastering facilities, and home theater rooms are also......

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GPA 604-8H-III-Rev-02

Great Plains Audio 604-8H III Rev. 2 Duplex

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 the defacto standard by which all others have been measured. Though it has been through various generations, it is still known by the simple model number which graced the very first unit manufactured – 604. The popularity of this outstanding loudspeaker grew until, by the 1970's, 604-based systems were used in more recording studios than all other types combined. It’s......

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Altec Lansing Valencia

Altec Lansing Valencia: Improving a Classic

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. For our testing purposes we chose the 846B due to its impedance, and that it was a tuned port enclosure. We had two goals with our Valencias: 1. Make them perform like a Model 19 and 2. Make them outperform a Model 19. Many Altec Model 19 fans will immediately point-out the differences between these two loudspeaker system, and claim......

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Altec-Lansing-M500-Maestro

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

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 the company. Why is the M500 Maestro important to us today? It provides the framework for what would have been the replacement for the highly acclaimed Model 19. It has been suggested that the new model would have been called the Model 19MR or Model 19-MR3. So the M500 is of great importance to Altec-Lansing fans around the globe. The......

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Altec Lansing Model 19 Cabinet Plans

Follow the links below to download and print sections of the Vintage Altec Lansing Model 19 Cabinet Plans for use in your wood shop. Refer to the Model 19 Cabinet Plans page for NOTES that accompany the plans. Altec Lansing Model 19 Front View Altec Lansing Model 19 Side View Altec Lansing Model 19 Top Down View Altec Lansing Model 19 Bottom Up View Model 19 Material & Finish Data The Model 19 was available in three materials &  finishes as indicated below:   Materials and finishes were applied per the chart below:   Thanks to Art J. for his Photo-Shop efforts in producing these jpg images....

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