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2008 THD Bivalve

Give us a call for our current THD amp inventory. THD has done it again - all the features of their great Univalve amp but with twice the power and flexibility. Like the Univalve, the Bivalve has a built-in power attenuator, a... $Call For Price

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New THD Flexi 50

Give us a call for our current THD amp inventory. Similar in apperance to its siblings the Univalve and Bivalve, the Flexi 50 has a different design, incorporating a pair of EL34s running in class A/B and a master volume, rather... $Call For Price

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New THD Univalve

Give us a call for our current THD amp inventory. Hmmm...where to begin, well it's a single ended Class A head with a built-in power attenuator. Oh, and you can really use any power tube (yes, we said tube - it's single-ended) you... $Call For Price

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