Ecler SAMI-402 User Manual
Ecler SAMI-402 User Manual

Ecler SAMI-402 User Manual

Analogue preamplifiers & mixers

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SAMI-402
ANALOGUE PREAMPLIFIERS & MIXERS
Installation Mixers
USER MANUAL
50-0452-0100
SAMI-402
EN

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Summary of Contents for Ecler SAMI-402

  • Page 1 SAMI-402 ANALOGUE PREAMPLIFIERS & MIXERS Installation Mixers USER MANUAL 50-0452-0100 SAMI-402...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS 1. PRECAUTIONS..........................3 1.1 Important Notice ..........................3 1.2 Key Safety Directions ........................4 1.3 Cleaning Directions ........................4 2. WARRANTY & ENVIRONMENT ....................5 3. PACKAGE CONTENTS ........................5 4. DESCRIPTION & FEATURES ....................... 6 4.1 Main Features ..........................6 5.
  • Page 3: Precautions

    WARNING: Ecler products have a long lifetime of more than 10 years. This product must never be discarded as unsorted urban waste, but must be taken to the nearest electrical and electronic waste treatment centre.
  • Page 4: Key Safety Directions

    1.2 Key Safety Directions Read the following directions. 11. Only use attachments/accessories specified by the manufacturer. Keep the following directions. 12. Unplug the device during lightening Heed all warnings. sorts or when unused for long periods of Follow all directions. time.
  • Page 5: Warranty & Environment

    Recycling materials and using non-contaminant components are also top priorities in our green crusade. Ecler has deeply evaluated and analyzed the environmental impacts of all the processes involved in the production of this product, including packaging, and has alleviated, reduced and/or compensated for them.
  • Page 6: Description & Features

    4. DESCRIPTION & FEATURES SAMI-402 is an installation audio mixer in standard rack format, featuring 3 MIC/LINE Stereo inputs, 1 LINE Stereo input, 1 main mix output and one AUX/REC additional output. It includes a 3 band tone control section, Talkover (priority) function assignable to each MIC/LINE input over the mix bus, ST/MONO mix switch and MUTE port for external dry contact triggering.
  • Page 7: Install & Connect

    On the opposite, input and output level controls use classic and easily accessible rotary knobs. Due to its low power consumption and heat sink, the SAMI-402 does not need any fan cooling. However, avoid installing it in dusty environments and/or in a location with extreme temperature and moisture.
  • Page 8: Start-Up & Operation

    6.1 Connections 6.1.1 Inputs SAMI-402 supports two types of audio signals for each of its first three inputs (mono MIC or stereo LINE), selectable by a MIC/LINE switch on the rear panel. Microphone signal: 3 mixing channels offer a Euroblock connector for a nominal input level from –50dBV (3.16mV) to –20dBV (0.1mV), with a GAIN control on the rear panel to adjust...
  • Page 9 LINE inputs 1-3 of the SAMI-402 are standard line inputs (0dBV) and the sensitivity of the LINE input 4 can be selected (0/-6dBV) by internal jumper (the default position is 0dBV). A sensitivity of - 6dBV is ideal for low-level sound sources such as media players, portable MP3 players, tablets, computers, mobile phones, etc.
  • Page 10: Outputs

    6.1.2 Outputs The SAMI-402 has a main stereo output (OUT L / OUT R), with electronically balanced Euroblock connectors. Connection is made according to the following diagram: The mixer's main output level (OUTPUT VOL) must be set in order to avoid your system power amp clipping indicators (CLIP) to be permanently lit.
  • Page 11: Other Connections On The Back Panel

    6.1.3 Other connections on the back panel AUX/REC output with a nominal output of 0dBV (10kΩ load) and an extra gain setting of +6dB, enabled by internal jumper (0dBV is the default position). Please note that the “Output Sensitivity” selector always affects the main output.
  • Page 12: Starting-Up

    Plug the external PSU to the DC IN connector located on the rear panel and then, after connecting it to the power outlet, press the on/off switch to power the unit. Even the power-up noise of SAMI-402 is minimal, we highly recommend to power up all equipment in the following order: 1.
  • Page 13: Ground Loops, Background Noise

    Cable shields, when connected to the chassis, must never be linked together. This will avoid ground loops. The SAMI-402 mixer has been designed to produce the lowest background noise. Independently from the electronic design, the resulting background noise directly relies on the correct use and installation of the mixing unit.
  • Page 14: Panel Functions

    7. PANEL FUNCTIONS 7.1 Front Panel Channel volume control, VOL x4 Output main volume control, OUTPUT VOL Talkover switch, tk x3 LED indicator, MUTE Bass control, BASS LED indicator, POWER ON Midrange control, MID Led Vu-meter, LEVEL Treble control, TREBLE 7.2 Rear Panel Mains socket Mono-stereo switch, L+R...
  • Page 15: Technical Data

    8. TECHNICAL DATA 8.1 Technical Specifications SAMI-402 ANALOGUE AUDIO INPUT PORTS Number of input ports 3, MIC/LINE 1, LINE Connection type MIC: 3-pin Euroblock LINE: RCA Input sensitivity LINE 1-3: 0dB LINE 4: 0dB/-6dB (internally selectable) MIC 1-3 BAL: -35dB Input sensitivity adjust MIC/LINE: ±15dB...
  • Page 16 ELECTRICAL Power supply ±17.5VDC External PSU AC mains requirement 100-240 V @ 50-60Hz (External PSU: 17.5VDC) AC mains connector IEC inlet connector Power consumption 10.8VA / 4.5W Cooling Passive PHYSICAL Operating temperature Min: -10°C ; 14°F Max: 40°C ; 104°F Operating humidity <85% HR Storage temperature Min: -10°C ;...
  • Page 17: Mechanical Diagram

    8.2 Mechanical Diagram All measurements are in mm.
  • Page 18 NEEC AUDIO BARCELONA S.L. reserves the right to make changes or improvements in the design or manufacturing that may affect these product specifications. For technical queries contact your supplier, distributor or complete the contact form on our website, Support / Technical requests. Motors, 166‐168 08038 Barcelona, Spain Tel. (+34) 932238403 information@ecler.com www.ecler.com...

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