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About the ST70
The Dynaco ST-70 is a legendary tube stereo power amplifier, first introduced as Dynaco's inaugural stereo model. It is celebrated for its warm, musical sound and robust build quality. The amplifier uses four EL34 output tubes, one GZ34/5AR4 rectifier tube, and two 7199 input (driver) tubes, along with high-quality ultralinear output transformers. The ST-70 is known for its low-powered, high-fidelity output, making it a favorite among audiophiles for both vintage and modern systems. Over the years, various iterations have been released, including updated circuit boards and improved feedback mechanisms in later models.
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