Inter-m MX-1646D Operation Manual
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Inter-m MX-1646D Operation Manual

Professional audio mixer
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Operation Manual
Professional Audio Mixer
MX-1646D

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Summary of Contents for Inter-m MX-1646D

  • Page 1 Operation Manual Professional Audio Mixer MX-1646D...
  • Page 2 A personal welcome to you from the management and employees of Inter-M All of the co-workers here at Inter-M are dedicated to providing excellent products with inherently good value, and we are delighted you have purchased one of our products.

  • Page 3: Table Of Contents

    How to Operate ..........................3 Front Panel ............................4 Rear Panel .............................12 How to Operate Effector / Playback / Record ...............14 Troubleshooting ..........................20 Applications ..........................21 Block Diagram ..........................22 Specifications ..........................23 Service Procedures............................26 Schematic.............................26 Parts List ............................26 Variations and Options .......................26 Warranty ............................26 MX-1646D...

  • Page 4: Unpacking

    PROFESSIONAL AUDIO MIXER Unpacking Unpacking Although your MX-1646D is neither complicated nor difficult to operate, we recommend you take a few minutes to read this brief manual and familiarize yourself with the important information regarding product features, setup and operation.

  • Page 5: Features

    7. Adjust the FADER VOLUME of the channel you want to output. Check the output level with the level meter. 8. While listening to the sound through the monitor output or headphones, use the EQ VOLUME to adjust the output sound quality as your preference. MX-1646D...

  • Page 6: Front Panel

    ■ STEREO 1/2 channel: 2 bands (High / Low) fixed EQ The center frequency, range, and type of each equalizer are shown below. 1) High EQ (HIGH): 10kHz, ±15dB shelving type 2) Mid EQ (MID): 1.2kHz, ±15dB peaking type 3) Low EQ (LOW): 100Hz, ±15dB shelving type MX-1646D...
  • Page 7 G1 ~ G4 switch: Select this switch to send the corresponding input channel signal to the Group 1/2/3/4 channel respectedly. 9. INPUT CHANNEL VOLUME It is a volume to adjust the level of the input channel. Keep the volume down when not in use. ■ Adjustment Range: -∞ ~ +10dB MX-1646D...
  • Page 8 6. SD/USB SELECTION SWITCH You can select SD card or USB memory to use it for Playback or Recording. ※ The AUX, FX, PAN, and FADER parts of the STEREO channel are the same as those of the MONO channel. MX-1646D...
  • Page 9 These level meters indicate the output level of the MIX L / R or the output level of the channel selected by the SOLO. Normally, the level of the MIX output is displayed. When the SOLO function is activated, the level of the SOLO output is displayed. MX-1646D...
  • Page 10 It is a switch to output effector output signals to your desired bus. ■ MIX: Mix the effector signal with the Mix output channel. ■ G 1,2: Mix the effector signal with Group Output 1, 2 channels. ■ G 3,4: Mix the effector signal with Group Output 3, 4 channels. MX-1646D...
  • Page 11 It is an LED number indicator that displays the effect program number, track number, and folder number. 8. CONTROL ENCODER It is an encoder that allows you to select the effect program number, desired track, or folder. ※ For detailed information on how to operate digital functions, refer to How to Operate Effector/Play/Record. (page 14) MX-1646D...
  • Page 12 ■ Adjustment Range: -∞ ~ +10dB 2. RECORDING VOLUME It adjusts the level of the recording signal. When the volume is in 0dB (▼ Mark), the reconding level is the same with the Mix output level. ■ Adjustment Range: -∞ ~ +10dB MX-1646D...
  • Page 13 It is a switch to send the GROUP output signal to the L or R of the MIX bus. 9. MIX OUTPUT FADER It is a volume to adjust the MIX output level. ■ Adjustment Range: -∞ ~ +10dB, Rated Output: 0dB MX-1646D...

  • Page 14: Rear Panel

    It is a phantom power switch to output +48V PHANTOM power through the MIC input terminal. You can use each channel switch to individually control the phantom power output. If you turn on the PHANTOM POWER switch, the power is output to HOT and COLD of the MIC input terminal. MX-1646D...
  • Page 15 It is a terminal to output mix audio signals (XLR Female Jack). Use the XLR (1: GND, 2: HOT, 3: COLD) connector to connect to the amplifier or powered speaker. ■ Rated Output Level: 0 dBu 13. AC INLET (POWER INPUT) It is a terminal to connect the provided AC power cable. MX-1646D...

  • Page 16: How To Operate Effector / Playback / Record

    ② You can select the type of effector in the FX mode and check the current effect number through the LED number indicator. ③ Turn the ENCODER switch to move to the effector number that you want to select. The effector number blinks. MX-1646D...
  • Page 17 SD/USB ON/OFF switch. ST 3 ST 4 ③ Select the SD/USB selection switch to select your desired memory to use during playing/recording. ④ Use the SD/USB VOL to adjust the SD/USB playback output level. SD/USB PC AUDIO SD/USB MX-1646D...
  • Page 18 8k, 16k, 32k, 11.025k, 22.05k, 44.1k, 12k, 24k, 48kHz Format 16 bit PCM Extension MP3 Playback Sample Rate 8k, 16k, 32k, 11.025k, 22.05k, 44.1k, 12k, 24k, 48kHz Bit Rate 8 ~ 320kbps Extension WAV Recording Sample Rate 44.1kHz Format 16 bit PCM MX-1646D...
  • Page 19 ② Record Mode: You can record the MIX output signal of the mixer in the USB memory or SD card. ③ Press the REC button to switch between Play mode and Record mode. ④ For the BUTTON LED indication according to each status, refer to [Table 4: BUTTON LED Indication by Status]. MX-1646D...
  • Page 20 ⑥ If you move a track during play or pause, then the selected track is played after moving to the tack. ⑦ If you move a track during stop, it stops after moving to the track. 8. PLAY Mode: How to Control Folder MODE PUSH TO SELECT MX-1646D...
  • Page 21 RECORD folder does not exist, it will be created automatically.) If the same file name exists, the last digit is incremented (RECORD1, RECORD2…) and saved. ⑧ Press the REC button in RECORD mode to change into PLAY mode. ⑨ For the LED indication according to each status, refer to [Table 4: BUTTON LED Indication by Status]. MX-1646D...

  • Page 22: Troubleshooting

    3) Check whether the fader volume of the ST3 channel is adjusted to an PC audio appropriate level. 4) Check whether the PC AUDIO selection switch of the ST3 channel is pressed. 5) Check whether the bus selection switch of the ST3 channel is pressed. MX-1646D...

  • Page 23: Applications

    AUX1 Keyboard GROUP OUTPUTS GROUP OUTPUTS AUX OUTPUTS AUX OUTPUTS Emergency Broadcasting System Process Graphic Equalizer DSP Embedded Power Amplifier Power Amplifier Power Amplifier Stage Monitor Speaker Main Speaker Main Speaker Front Fill Speaker Subwoofer Speaker Side Fill Speaker MX-1646D...

  • Page 24: Block Diagram

    PROFESSIONAL AUDIO MIXER Block Diagram Block Diagram SUMMING BUS MX-1646D...

  • Page 25: Specifications

    PROFESSIONAL AUDIO MIXER Specifications Specifications MX-1646D INPUT / OUTPUT Connector XLR type Female, Electrically Balanced Input Impedance More then 2kΩ MIC INPUT Nominal Level -60dBu ~ -16dBu Phantom Power +48V±3V per Channel Connector TRS Jack, Electrically Balanced Hi-Z INPUT Input Impedance More then 50kΩ...
  • Page 26 PROFESSIONAL AUDIO MIXER MX-1646D Typical Performances Frequency Response ±1dB (20Hz ~ 20kHz) MIC to MIX +60dB Input Gain NOISE (MIC EIN) MIC to MIX +60dB input Gain -125dBu (Typ. -128 dBu) 150Ω Terminated, A-WTD 1kHz, MIC to MIX, +16dB input gain, Less than 0.01% (Typ.
  • Page 27 PROFESSIONAL AUDIO MIXER ※ DIMENSIONS MX-1646D...

  • Page 28: Service

    To obtain specific warranty information and available service locations contact Inter-M directly or the authorized Inter-M Distributor for your specific country or region.
  • Page 29 NOTE...
  • Page 30 NOTE...
  • Page 32 Inter-M, Ltd. (Korea) began operations in 1983. Since then, Inter-M has grown to become one of the largest manufacturers of professional audio and commercial sound electronics equipment in the world. Inter-M has gained worldwide recognition for its own branded products, as well as private label manufacturing of electronics sold under other names (OEM).

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