Great American Sound Thaedra preamplifier Specifications

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Description: Solid-state, AC-powered preamplifier, with built-in head amp for low-output cartridges.
Serial number of review sample: 500108.
Price: $899–$909 (1976); no longer available (2019).
Manufacturer: Great American Sound Co., Inc., Chatsworth, CA 91311 (1976); GAS Audio, Carson City, NV 89706 (2019). Web:

Great American Sound Co., Inc.
GAS Audio, Carson City, NV 89706 (2019)

JRT's picture

Perhaps should be mentioned with this preamplifier. My understanding, perhaps incorrect, is that James Bongiorno was still working at SAE when he designed Ampzilla as a kit for Popular Electronics, and soon after left SAE and started GAS with Ampzilla as his first product.

JRT's picture

Note that GAS Thaedra preamplifier, subject of this article, was (almost) a fully developed retail product only two years after the Ampzilla magazine article.

Bogolu Haranath's picture

Q: What is Godzilla's favorite cheese?.....
A: Gorgonzola .... :-) .......