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Summary of Contents for API ASM164
- Page 1 ASM164 Rackmount Analog Summing Mixer OPERATORÕS MANUAL Created 2024-07-17 W ri t t en f o r A ut o mat ed Pro cesses, I n co r po rat ed by Dan i el Pf ei f er...
- Page 2 No part of this publication may be reproduced in any form or by any means, whether mechanical or electronic, without the written permission of Automated Processes, Inc. As research and development is a continual process, API reserves the right to change the features and specifications described herein without notice or obligation. API cannot be held responsible for any loss or damage arising directly or indirectly from any error or omission in this manual.
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Page 3: Table Of Contents
5.4 Mix-A and Mix-B Rear Panel Connections ........17 6.0 Application Guide ..............18 6.1 Getting Started (Parallel Processed Drum Stem) ......18 6.2 Cascading Multiple ASM164 Mixers For More Channels ....19 Appendix ..................20 A1 ASM164 Technical Specifications ........... 20 A2 ASM164 Housekeeping .............. -
Page 4: About This Manual
Experienced engineers may get up and running quick- ly, but if you are new to API equipment, itÕs recommended that you read the entire manual at least once and keep it handy while recording, editing, and mixing. -
Page 5: Important Safety Instructions
Important Safety Instructions Please read these instructions Keep this information in a safe place Do not use this device near water Clean only with a dry cloth Do not block any ventilation openings Do not install near any heat sources such as radiators, heat registers, stoves, or other devices that produce heat Do not defeat the safety purpose of the polarized or grounding type AC plug Protect the AC power cord from being walked on or pinched... -
Page 6: Overview And Features
This is conceived from many user requests when looking at the API console lineup, specifically the summing side of the API The BOX audio production console. The result is a feature-rich rackmount mixer designed for professional project studios, home studios, and production facilities of all kinds. -
Page 7: Input Channels 1-16
2.0 Input Channels 1-16 The ASM164 is equipped with 16 summing inputs, each with the following features: Balanced, line-level, low-impedance input ¥ Balanced insert with illuminated switch ¥ 31-position detented level control ¥ 0dB level control bypass (globally assigned) ¥... - Page 8 Level Control: Controls the output level of the channel to the assigned mix buses 31-step detented potentiometer for accurate recall ¥ -∞dB to +6dB range ¥ 0dB is unity gain ¥ Bypassed and level set to unity gain when the 0dB BYP switch ¥...
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Page 9: Input Channel Rear Panel Connections 1-16
2.3 Input Channel Rear Panel Connections 1-16 All 16 input channel connections are balanced, line-level, low-impedance signals on DB25 connectors, using the standard 8-channel pin-out. NOTE: Only the connections for channels 1 thru 8 are shown below. Channel Input: Channel input connections 1-16 Channel Insert Send: Channel insert send connections 1-16 The channel input signal is always present at the insert send connection... -
Page 10: External Input (Ext In)
3.0 External Input (EXT IN) The ASM164 is equipped with a stereo External Input (EXT IN) with the following features: Balanced, line-level, low-impedance stereo unity gain input ¥ Stereo 4-segment LED level meter ¥ Illuminated Mix-A and Mix-B bus assignment switches ¥... -
Page 11: External Input (Ext In) Rear Panel Connections
3.3 External Input (EXT IN) Rear Panel Connections EXTERNAL INPUT LT and RT (EXT IN): External input stereo connections Balanced, line-level, low-impedance ¥ 3-pin, female XLR connectors (1=G, 2=+, 3=-) ¥ A S M 1 6 4 A n a l o g S u m m i n g M i x e r A P I... -
Page 12: Mix-A And Mix-B Outputs
(EQ, compression, etc.) and other routing possibilities. A key feature of the ASM164 is Mix-A output to Mix-B bus summing capability (A TO B). This provides flexible mix routing options including stereo parallel processing. When the A TO B switch is engaged, the output of Mix-A is summed into the Mix-B inputs, along with other Mix-B assignments from channels and possibly the external input (EXT IN). -
Page 13: Mix-A And Mix-B Signal Flow
4.1 Mix-A and Mix-B Signal Flow 4.2 Mix-A and Mix-B Controls Mix Output Level Control (Mix-A and Mix-B): Controls the associated Mix-A and Mix-B output levels 31-step detented potentiometer for accurate recall ¥ -∞dB to +6dB range ¥ 0dB is unity gain ¥... -
Page 14: Mix Output Vu Meters
Mix-B (channels and/or external inputs) Illuminates in white when engaged ¥ 4.3 Mix Output VU Meters The ASM164 equipped with high-quality VU level meters that can be selected to indicate the output levels of Mix-A or Mix-B. - Page 15 MIX-A and MIX-B LT and RT: Left and Right Mix-A and Mix-B stereo output connections Balanced, line-level, low-impedance ¥ 3-pin, female XLR connectors (1=G, 2=+, 3=-) ¥ A S M 1 6 4 A n a l o g S u m m i n g M i x e r A P I...
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Page 16: Rear Panel Connections
5.0 Rear Panel Connections The ASM164 provides a comprehensive set of rear panel connections. 5.1 Power Connector The ASM164 is powered by an external power supply unit that is included with your mixer. POWER: 6-pin female DIN external power connector Threaded, locking connector ¥... -
Page 17: External Input (Ext In) Rear Panel Connections
5.3 External Input (EXT IN) Rear Panel Connections EXTERNAL INPUT LT and RT (EXT IN): External input stereo connections Balanced, line-level, low-impedance ¥ 3-pin, female XLR connectors (1=G, 2=+, 3=-) ¥ 5.4 Mix-A and Mix-B Rear Panel Connections The Mix-A and Mix-B insert connections are balanced, line-level, low-impedance signals on ¼Ó... -
Page 18: Application Guide
6.0 Application Guide If youÕve read this far, you can tell that the API ASM164 is a well-conceived, professional line-level audio mixer that can provide valuable mixing capabilities in almost any workflow where high-quality precision mixing is needed. ItÕs dual stereo buses, inserts, and blending capabilites offer flexible functionalities that make creative processes easy and innovative signal routing possible. -
Page 19: Cascading Multiple Asm164 Mixers For More Channels
48, 64 channels, or more. 1. Connect inputs and inserts as described above. 2. Connect the MIX-B LT and RT OUTPUTS of the first ASM164 to the LT and RT EXTERNAL INPUTs on the second ASM164. 3. Assign the external inputs (EXT IN) on the second ASM164 to Mix-A or Mix-B to link the two mixers together to create a 32-channel mixing system. -
Page 20: Appendix
Make sure you register your ASM164 at: https://service.apiaudio.com/warranty Here is a great place to write down the serial number of your ASM164 and your purchase date, just in case you need that information someday in the future. ASM164 serial number _______________... -
Page 21: A3 Asm164 Block Diagrams
A3 ASM164 Block Diagrams A3.1 Input Channel Block Diagram A3.2 External Input Block Diagram A S M 1 6 4 A n a l o g S u m m i n g M i x e r A P I... -
Page 22: A3.3 Mix-A And Mix-B Block Diagram
A3.3 Mix-A and Mix-B Block Diagram A S M 1 6 4 A n a l o g S u m m i n g M i x e r A P I... -
Page 23: A4 Asm164 Recall Sheet
A4 ASM164 Recall Sheet A S M 1 6 4 A n a l o g S u m m i n g M i x e r A P I... -
Page 24: A5 Api Limited Warranty And Service Information
API. Therefore, service or modification of any API unit except by an authorized API representative may VOID this warranty. c) API reserves the right to inspect any products that may be the subject of any warranty claims before repair or replacement is carried out. Final determination of warranty coverage lies solely with API. - Page 25 8301 Patuxent Range Road! Jessup, MD 20794 USA 301-776-7879 http://www.apiaudio.com...
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