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Welcome to TSA Thermionics Web Site. Established in 1993:- Our aim is to offer the best in electronic valve and custom designed audio signal processors/ hi-end amplification;either dual mono-block or stereo pre/power set up. To compliment the sales and design service we also offer a Service and Repair workshop. We are the First choice for audio solutions ranging from Guitar rigs to new sales, hi-end hifi, sourcing obscure components to of course, Thermionic valve replacements. All at the best pricing.


So happy browsing.