Press Release: The TubeBox is an API lunchbox compatible version of our popular TC01 tube preamplifier circuit. API's well-designed and proven lunchbox system offers the TubeBox discrete backplane connectors providing all the necessary standardised power rails, grounds, I/O buses, and so on, in a reliable industry standard format.
The TubeBox circuit itself features a Class A tube preamplifier, selectable phantom power, phase reversal, adjustable -20dB PAD, and an in-line optical compressor. A standout feature is the front panel microphone input typically not found on other lunchbox compatible products.
Perfect for all applications where compact portable custom channel strips are a must the TubeBox is well equipped for multi-track recording, broadcast, video, and sound reinforcement applications.
For further information, check out www.smproaudio.com
