Limestone
About Limestone
Audio equipment manufacturer requiring further research to determine specific company details, founding information, headquarters location, and current operational status.
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Limestone PP1 Monoblock Amplifiers with Ray Tubes
Limestone PP1 monoblocks now feature Ray Tubes, emphasizing vintage warmth with modern reliability.
Standard configuration includes Ray Tubes Select series, with Reserve series available for premium sound quality.
PP1 delivers 45W in Class AB using KT88/6SN7 tubes, optimized for 4 and 8 Ohms.
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