16-Ch Rack Passive Summing Mixer with Mute Switch – TRS Balanced Analog

16-Channel Rackmount Passive Analog Summing Mixer – TRS Balanced

Take your mixes to the next level with this 16-channel rackmount passive analog summing mixer, designed for professional hybrid studio workflows. With balanced TRS I/O and a precision-engineered summing network, this unit delivers ultra-clean, transparent summing — allowing your audio to retain its full integrity while gaining depth and dimension.

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Why Passive Analog Summing?

Passive summing is the go-to solution for engineers seeking the depth and spatial imaging of analog mixing without introducing additional noise from active circuitry. By routing your DAW outputs through a dedicated summing mixer, you achieve a wider stereo field, improved separation, and a more natural, three-dimensional soundstage compared to in-the-box mixing. Read more about: https://vintagemaker.net/analogsummingmixer/

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Key Features

• 16× balanced TRS inputs for full mix control
• 4× balanced TRS stereo outputs (L/R) for flexible routing
• Floating Differential Sum Bus – exclusively designed by Vintagemaker for ultra-transparent, low-distortion summing
• 8× stereo (16-channel) mute switches
• 3 stereo / 6 mono switch configuration
• Fully passive design – zero coloration, maximum transparency
• Rackmount format for seamless studio integration
• Compact, road-ready construction
• Compatible with all major DAWs, interfaces, and patchbays

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STM – Stereo to Mono Switch

The STM (Stereo to Mono) switch provides a solid, true analog mono foundation for critical elements like kick, bass, vocals, and snare. Easily convert stereo inputs into a centered mono signal — ideal for tightening low-end and improving mix focus.

Read more: https://vintagemaker.net/mono-channel-conversion-switch/

Save DAW channels while enhancing clarity and separation. Instantly switch back to stereo for instruments that require width, or maintain full stereo operation with your DAW’s panning.

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Perfect For

Professional studios, mixing engineers, and home studio users looking to combine digital precision with analog depth and realism.

 

Specifications

• Channels: 16
• Input Type: Balanced TRS
• Output Type: Balanced TRS Stereo — 4x TRS Out (L/R)
• Design: Passive Analog Summing Circuit
• Circuit: Floating Differential Sum Bus — designed by Vintagemaker
• Resistors: Studio grade Vishay Dale military metal-film resistors
• Signal Path: Stereo Balanced Discrete In/Out
• Insertion Input Resistance: -15dB / -20dB / -25dB (order)
• Output Impedance: 600–1k Ohms Balanced
• Frequency Response: 0–500kHz
• Crosstalk at 1kHz: -95dB
• Signal to Noise Ratio (SNR): -110dB
• TRS Wiring: Tip: HOT / Ring: COLD / Sleeve: GROUND
• Form Factor: Rackmount
• Enclosure: Laser engraved massive aluminium alloy box
• Build: Pure handmade — hand wired and tested point-to-point
• Compatibility: Universal DAW / Interface

Maximum level > +28dBu • Noise floor < -94.5dBu 22Hz-22kHz bandwidth
THD+N < 0.004% • IMD < 0.004%
Crosstalk rejection (Passive Section) > 110dB

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