ST-70 & ST-120 Auto Bias Modules w/LED Extension

Enhance your amplifier’s performance with our Auto Bias Modules, available for both the ST-70 and ST-120 models. Each module includes an LED extension for clear bias status indication and is designed to ensure precise operation tailored to your specific tube type.

Key Features:

• ST-70 Auto Bias Module:
• Bias for EL34 Tubes: Pre-set to 0.40V for optimal performance.
• LED Extension: Provides a clear visual indication of bias status.

• ST-120 Auto Bias Module:
• Bias for KT88 Tubes: Pre-set to 0.50V for optimal performance.
• LED Extension: Indicates bias status with a visible LED.

Common Benefits:

• Factory-Tested: Each module is thoroughly tested to ensure reliable and accurate operation.
• Easy Integration: Designed to fit seamlessly with your amplifier and enhance performance with minimal setup.

Installation Tips:

• Static Precautions: Handle with care and keep in anti-static packaging until installation. Use grounding techniques to prevent static damage.
• Follow Instructions: Detailed installation instructions are included for a straightforward setup.

Note: Tampering with the module or improper handling will void the warranty. Ensure to follow all provided guidelines for optimal performance and warranty protection.