Unleashing the Potential of the Dynaco ST-70: A Comprehensive Guide

A Brief History of the Dynaco ST-70

The Dynaco ST-70, a revolutionary tube amplifier, has been a staple in the audiophile community since its inception in 1959. With its sleek design and impressive performance, it quickly gained popularity among music lovers. Over the years, the ST-70 has undergone various modifications, catering to the evolving tastes and preferences of its enthusiasts. In this article, we’ll delve into the world of the Dynaco ST-70, exploring its history, features, and the best ways to experience its full potential.

Restoring and Modifying the Dynaco ST-70

The original production of the Dynaco ST-70 ran from 1959 to 1977, making it a rare find in working order. However, with the help of skilled restorers and modders, it’s possible to revive this classic amplifier to its former glory. Mike Garry, owner of Hudson Valley HiFi, shared his expertise on restoring and modifying the ST-70, stating, “The amp can be restored with its original design intact or, if one desires, it can be heavily modded by removing the driver board and replacing it with one of the many modern boards available.”

The Advantages of Modding

Modding the ST-70 provides numerous benefits, including:

* Increased flexibility in selecting driver tubes
* The ability to change the entire circuit design
* Compatibility with a wide range of speaker systems
* Access to modern components and upgraded materials

Purchasing and Servicing the Dynaco ST-70

For those who don’t have the expertise or time to restore and modify their ST-70, it’s possible to purchase a fully serviced unit from reputable vendors. Kenny Russell, from GetDynaco, is one such expert who carefully restores and tests the amplifier before releasing it to the market. Additionally, you can find serviced units at shops like Aural HiFi in Denver, CO.

Possible Sources

When searching for a serviced Dynaco ST-70, consider the following options:

* Reverb: A popular online marketplace for buying and selling vintage audio equipment
* eBay: A vast platform for purchasing and selling a wide range of products, including the ST-70
* Hudson Valley HiFi and Aural HiFi: Reputable audio shops that specialize in restoring and selling vintage equipment

Conclusion

The Dynaco ST-70 is an iconic tube amplifier that offers a unique listening experience for audiophiles. By understanding its history, restoration options, and modding possibilities, you can unlock its full potential and enjoy the rich, warm sound it’s capable of producing. Whether you’re a seasoned audiophile or new to the world of Hi-Fi, the ST-70 is an investment worth considering.

The Dynaco ST-70 Stereo Tube Amplifier: A Comprehensive Overview

Average Street Price	$1,400
Date Released	1959

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