API ASM164 16-Channel Analog Summing Mixer

The API ASM164 is a 16-channel analog summing mixer that brings the legendary API sound to a rack-friendly format. Based on the summing section of THE BOX console, the ASM164 is perfect for smaller studios that can’t fit a console or mixer who wants to add some API flavor to their racks. Key features include 16 channels of analog summing, two stereo mix buses, hardware inserts on every channel, and proprietary API op-amps that deliver unmistakable API tone. With intuitive controls and extensive connectivity, the ASM164 integrates easily into any studio setup.

ALL-ANALOG SIGNAL PATH

The heart and soul of the ASM164 lies in its all-analog signal paths, including proprietary API 2510 and 2520 op-amps on the inputs and outputs and custom output transformers that deliver the warmth, punch, and clarity that API is known for. Each channel (including Mix-A and Mix-B) feature insert send and return points for direct connection to outboard processors or patch bays.

PRECISE CONTROLS AND FLEXIBLE ROUTING

All channels sport 31-step detented level controls for precise adjustments and perfect recall, while the pan knobs are continuously variable with a center detent. Each channel can be assigned to Mix-A, Mix-B, or both, giving you the flexibility to try out different mix bus processing or break your mix into stems. All channel inputs, sends, and returns are accessed via DB-25 connectors for seamless integration with professional audio interfaces and converters, while the mix outputs and inserts all feature dedicated XLR and TRS jacks.

COMPREHENSIVE METERING

The ASM164 also boasts comprehensive metering, including real analog VU meters for monitoring your mix levels and 4-segment LED meters on each channel for instant visual feedback. Additionally, the rear panel I/O includes a balanced stereo external input assignable to either mix bus. A robust external power supply ensures clean, reliable power delivery and noiseless performance.

LEGENDARY SOUND

The API ASM164 is a powerful solution for engineers and producers looking to capture the unmistakable depth, punch, and warmth of API’s legendary analog summing in a compact, rack-friendly format. Built on the same sonic foundation as THE BOX console, the ASM164 delivers pristine signal integrity with proprietary API op-amps, custom transformers, and an all-analog signal path that ensures every mix retains the rich harmonic detail and dynamic depth that define API’s legacy.

Specifications:

• 16-channel analog summing unit based on the THE BOX console in a 19-inch rack-mount package 
• Balanced, line-level, DB-25 connectors
  
• Global 0 dB channel level control bypass
  
• Proprietary API 2510 input opamps provide legendary API tone
  
• Insert send/return on each channel
  
• 4-segment LED level meters provide instant visual feedback on each channel
  
• 2 stereo program buses each channel assignable to Mix-A and/or Mix-B
  
• Continuously variable panning with center detent
  
• 31-step detented level control provides prefect recall and precise adjustments
  
• Balanced stereo external input (assignable to Mix-A and/or Mix-B)
  
• Signature API 2520 opamps and proprietary output transformers
  
• Analog stereo output level VU meters
  
• Comprehensive rear panel connections with balanced in/out
  
• External power supply