Fredenstein F601A – 500 Series Microphone Preamp Module

The Fredenstein F601A is a high-performance microphone preamplifier designed for the 500 Series format, offering exceptional versatility and sonic clarity for professional recording applications. It features a fully discrete Class-A gain stage with an innovative zero-negative-feedback design, enhancing low-frequency reproduction and transient response while delivering detailed high-frequency information without harshness. The preamp includes switchable Lundahl input and output transformers, allowing engineers to select transformer engagement for subtle tonal coloration and noise rejection. Additional controls include a 60 Hz high-pass filter, 48V phantom power, and polarity reversal, with a front-panel DI input for instruments. Output levels are displayed via a conventional VU meter. The F601A's low noise, low distortion, and wide frequency response provide exceptional sonic results, outperforming traditional microphone preamplifiers. 

Key Features:

• Discrete Class-A Gain Stage: Ensures high-quality, transparent amplification.
• Zero-Negative-Feedback Design: Improves low-frequency and transient reproduction.
• Switchable Lundahl Transformers: Offers selectable transformer engagement for tonal coloration and noise rejection.
• 60 Hz High-Pass Filter: Reduces low-frequency rumble and handling noise.
• 48V Phantom Power and Polarity Reversal: Provides essential features for condenser microphones and phase adjustments.
• Front-Panel DI Input: Allows direct connection of instruments.
• VU Meter: Displays output levels for precise monitoring.

Specifications:

The Fredenstein F601A is an essential tool for audio professionals seeking precise and musical dynamic control with advanced sound-shaping capabilities. Its combination of high-quality components and versatile features make it a valuable asset in any recording setup.