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Operating Instruction Manual
TOA POWERED MIXER
Model MCX-106
TOA ELECTRIC CO., LTD.
KOBE, JAPAN
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Contents General Description Features Front Panel [Input Section] Front Panel [Output Section] Front Panel [Stereo Cassette Recorder Section] Front Panel [Patch Bay & Bus Link] Rear Panel Connection Examples Input Connections How to get a good mix. Recording Level Setting Type of Cassette Tape Maintenance of Stereo Cassette Deck Block and Level Diagrams Specifications Characteristic Diagrams Appearance Precautions 1. XLR Type Audio Connector 2. Description of components and functions on the The
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General Description The MCX-106 is a compact self-powered mixer with a Microprocessor controlled stereo cassette deck, designed to allow recording a live demo tape, performing to pre-recorded program material, recording sound on sound with an external tape source, and simultaneously performing as a six-channel "powered" main sound system and a six- channel independent monitor mixer. The MCX-106 features: six input channels, a 300 watt power am plifier, 9-band graphic equalizer, automatic compres
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Front Panel, Input Section Peak Indicator (PEAK) The peak indicator lights when the pre or post EQ signal level reaches 3dB below clipping, giving a visual reference for Foldback Control (FB) Input Trim Control (TRIM) optimum setting of the trim con- The Foldback control deter- The input trim adjusts the gain trol. mines the level of signal assign- of the head-amp stage of the as- ed to the foldback mixing buss, sociated channel, providing 39 thus setting the level of that dB of gain control. Wh
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Front Panel, Output Section Aux Recording Balance Reverberation High Equalizer — - Reverberation Low Equalizer Foldback Master Control (FB) (AUX REC BAL) Control Control The FB master control adjusts This control a d j u s t s t h e level (REV HIGH EQ) (REV LOW EQ) the overall combined signal balance of the aux in, L and R The high EQ control alters the The low EQ control alters the level of the six independent signals routed to the L and R high frequency response? of the low frequency response
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Front Panel Stereo Cassette Deck Section Counter Reset Button Cue Indicator DBX Button Resets the tape couter to "000". Remains l i t during operation of Pressing this b u t t o n alternately the Cue function. enables or disenables the inter- nal dbx noise reduction feature in either the playback or Tape Counter DBX Indicator recording modes. Indicates how far the tape has Lights when the dbx noise; travelled. reduction circuitry is activated. Cue Button Tape Indicator Pressing this button and t
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Front Panel, Patch Bay & Buss Link Graphic Equalizer Input Jack Effects Return Jack (EFT/RET) (GEQ) Power Amplifier Input Jack The EFF/RET jack is provided to The GEQ input jack allows the (PWR) connect an external effects graphic equalizer to be used in- The PWR Amp input jack allows device to the MCX-106. When a dependently of the MCX-106 the internal power amplifier to plug is inserted t h e internal with other external equipment, be used w i t h external equip- reverberation unit is automat
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Connection Examples Low Z input should be connected SUB MIXER (MCX-106) with low impedance (50 ohm ~ 600 ohm) Built in Power microphones Amplifier for Foldback From Speaker Jack on Rear Panel MAIN MIXER (MCX-106) WIRELESS TUNER SUCH AS WT-02, WT-06 From Speaker Jack on Rear Panel HEAD PHONES KEYBOARD TAPE DECK REMOTE CONTROL FOOTSWITCH MUSICAL INSTRUMENT MAIN SPEAKER SYSTEM SPEAKER SYSTEM for foldback _ _ — 7 —
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Input Connections Generally speaking, there are two rules to follow when connecting equipment outputs to the inputs of other equipment. 1. Properly match the impedances of the outputs and inputs. 2. Connect low impedance outputs to high impedance inputs. It goes without saying that not only input and output impedance matching but also level matching should be taken into consideration. Each input channel of the MCX- 106 is provided with an input TRIM control, so the usable signal level range is v
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How to get a good mix Before connecting other equipment to the Powered mixer, If the trim control is set as shown in the left figure, the check the impedance and level of both. If the impedances input level controls can be set to the same position. and levels do not match, mixing will be very difficult and the S/N ratio will also be adversely affected. The input level controls are used in general between 6 and 8. Each input channel of the MCX-106 is provided with a TRIM control. Thorough underst
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Types of Cassette Tape Types of cassette tape micron: 1/1000mm openings with adhesive tape if you desire to erase or C-60 C-120 record the tape at a later date. Type C-30 C-46 C-90 Tape travel hour 30 min. 46 min 6O min. 90 min. 120 min. Hints on Cassette Tape Handling Tape thickness 18 micron 18 micron 18 micron 12 micron 9 micron 1. Tape Slack can cause the tape to twist or break. When necessary, always take up slack by inserting CAUTION: a pencil or similar object into the reel hub and A C-12
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Block and Level Diagrams BLOCK DIAGRAMS LEVEL DIAGRAM — 11 —
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Specifications MIXER SECTION Maximum Voltage Gain Frequency Response INPUT to PGM out 59dB +0, -3dB 30Hz~20kHz (HIGH Z input TRIM at "0" positio INPUT to EFF out 45dB INPUT to FB out 59dB Total Harmonic Distortion INPUT to REC out 45dB 0.05% +4dBm at 1kHz. INPUT to GEQ out 59dB AUX to PGM out 14dB Hum and Noise (Open) EFF/RET to PGM out 24dB Equivalent Input Noise -130dBm (20Hz~20kHz Equalization Equivalent Input Noise -133dBm (IHF A) 63Hz ±12dB Peaking 2kHz ±12dB Peaking All level Controls Mini
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Specifications STEREO CASSETTE DECK SECTION Mechanism Motor 1 Motor 3 Solenoid Mechanism Electronically Governor Control Frequency Response 4 Bit Micro Computer 40 Hz to 12.5 kHz (Metal) (Overall Record/Playback) Tape Noise Reduction Compact Cassette C-30, C-46, C-60 or C90 *DBX type II (IN/OUT Switchable) Track Format Signal to Noise Ratio 4-Track, 2-Channel (Stereo) 70dB *DBX IN 20 Hz~20 kHz Heads 90 dB *DBX IN IHF-A Weighted 2 Channel Stereo Recording/Play Back (Permalloy) Total Harmonic Dist
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Characteristics Diagrams HIGH Z IN. TRIM/MIN . & INPUT EQ GEQ POWER AMP POWER BAND WIDTH POWER AMP TOTAL HARMONIC DISTORTION POWER AMP COMPRESSOR REVERBERATION FREQUENCY RESPONSE Appearance — 14 —
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TOA ELECTRIC CO., LTD. KOBE, JAPAN Printed in Japan 133-02-690-80
