Tegeler Tube Summing Analog 40-Channel Tube Summing Mixer

The Tegeler Audio Manufaktur Tube Summing Mixer is a high-end analog summing solution designed to bring depth, width, and harmonic richness to modern digital mixes. By routing multiple stems out of a DAW and into a true tube-driven summing stage, this unit delivers the unmistakable cohesion and musicality associated with classic analog consoles. The result is a more three-dimensional soundstage with enhanced low-end solidity, smoother highs, and a natural sense of glue that elevates mixes beyond in-the-box summing.

Built around a carefully designed tube signal path, the Tube Summing Mixer adds subtle saturation and harmonic complexity while preserving clarity and transient detail. It is ideal for engineers and producers who want to combine the precision of digital workflows with the warmth and depth of analog processing. Whether used for summing drums, instruments, vocals, or full mixes, the unit enhances separation and stereo imaging, helping individual elements sit together more naturally within the mix.

Designed for professional studio environments, the Tube Summing Mixer features balanced inputs and outputs for clean, noise-free integration with audio interfaces, outboard gear, and mastering chains. Its robust 19-inch, 2U rack-mountable chassis and internal power supply ensure reliable, consistent operation in demanding studio conditions. With its elegant design and premium build quality, the Tegeler Tube Summing Mixer is a powerful centerpiece for hybrid analog-digital production setups.

Key Features

• Analog tube summing mixer for professional studios
• Adds warmth, depth, and harmonic richness to digital mixes
• Improves stereo imaging and mix cohesion
• Ideal for summing stems or full mixes from a DAW
• True tube-driven signal path
• Balanced inputs and outputs for professional connectivity
• Internal power supply for stable, low-noise operation
• 19-inch rack-mountable 2U chassis

Technical Specifications

Frequency Response: 20 Hz – 40 kHz
Maximum Input Level: +22 dBu
Input Impedance: ≥ 10 kΩ
Output Impedance: < 600 Ω
Maximum Output Level: +24 dBu
Dynamic Range: ≥ 110 dB
Voltage: 230 V~/50 Hz or 115 V~/60 Hz
Fuse: 500 mA slow-blow
Maximum Power Consumption: < 25 W
Dimensions: 2U rack height, Height: ~3.5", Width: 19", Depth: ~9.8"