Avalong Design ST-4 Vacuum Tube Set (4)

Replacement Tube Set for Avalon Gear
The Avalon Design ST-4 is a premium set of four matched 6922 vacuum tubes, engineered specifically for the Avalon VT-737SP channel strip and VT-747SP mastering compressor. These tubes restore your Avalon units to peak performance, ensuring clean signal reproduction, warm tonal character, and professional-grade reliability.

Tested and Matched for Consistency
Each ST-4 vacuum tube is rigorously tested and matched to guarantee even performance across all four tubes. This attention to quality control ensures balanced gain, reduced noise, and consistent sonic characteristics that Avalon gear is known for in both studio and live applications.

Maintain Classic Avalon Sound Quality
Vacuum tubes play a critical role in shaping the tone of Avalon preamps and compressors. The ST-4 set maintains the signature warmth, clarity, and depth that engineers and producers demand when working with Avalon equipment. It’s an essential upgrade when your tubes begin to show signs of wear or tonal degradation.

Designed for Compatibility with Avalon Models
The ST-4 tube set is designed exclusively for the VT-737SP and VT-747SP models, guaranteeing proper fit and performance. By choosing Avalon-tested tubes, users avoid the pitfalls of mismatched third-party replacements that can compromise audio quality.

Durable Construction for Long Life
Built to withstand regular use in professional environments, these tubes are designed for extended operating life. Whether in constant studio operation or in demanding live sound setups, the ST-4 ensures lasting reliability without frequent replacements.

Essential Maintenance for Professional Studios
For studios that rely on Avalon gear as a central part of their workflow, keeping a matched set of tubes on hand is essential. The ST-4 provides engineers with the confidence that their VT-737SP or VT-747SP units will always perform to Avalon’s exacting standards.