Yamaha MX12- Manuals

Page 2 - IMPORTANT

MX12/6, 20/6 — Owner’s Manual FCC INFORMATION (U.S.A.) 1. IMPORTANT NOTICE: DO NOT MODIFY THIS UNIT! This product, when installed as indicated in the instructions contained in this manual, meets FCC requirements. Modifications not expressly approved by Yamaha may void your authority, granted by the ...

Page 3 - Warnings; Cautions; Operating Notes

MX12/6, 20/6 — Owner’s Manual Important Read the following before operating the MX12/6, 20/6 Important 1 Warnings • Do not place a container with liquid or small metal objects on top of this unit. Liquid or metal objects inside this unit are a fire and electrical shock hazard. • Do not allow water t...

Page 4 - Channel Control Section; GAIN Control; POST Switch

MX12/6, 20/6 — Owner’s Manual 2 Front & Rear Panels q y t o u e i i t r r w The MX12/6’s panel is used for all followingillustrations in this manual. Channels 1-8 (MX12/6)1-16 (MX20/6) (Monaural) Channels 9-12 (MX12/6)17-20 (MX20/6) (Stereo) Response [dB] +5 +10 +15 –15 –10 –5 0 Frequency [Hz] 1...

Page 5 - Channel Fader

MX12/6, 20/6 — Owner’s Manual y EFFECT Control Controls the level of the signal sent from each channel to the EFFECT bus. This control is located after the channel fader so its level will also be affected by the channel fadersetting. When a stereo channel is used, L and R channel signals are combine...

Page 6 - RETURN; • AUX1, AUX2 Controls; Master Control Section

MX12/6, 20/6 — Owner’s Manual 4 Front & Rear Panels q !2 !0 e r i w !1 !3 !4 o t y u q ST Master Fader Controls the level of the signal that is sent to the STOUT jacks. w MONO Control Controls the level of the signal (the monaural signalthat is formed by combining the signals from theSTEREO bus)...

Page 8 - Connector Section; MONO OUT Jack

MX12/6, 20/6 — Owner’s Manual 6 Front & Rear Panels q w r t e q INPUT Jacks (MX12/6:CH1-8, MX20/6:CH1-16) • MIC Balanced XLR type microphone input jacks (1:Ground, 2:Hot, 3:Cold).These input jacks are compatible with 50-600 Ω microphones. • LINE Balanced TRS phone type line input jacks (T:Hot, R...

Page 9 - Rear Panel; SEND Jack

MX12/6, 20/6 — Owner’s Manual Front & Rear Panels 7 q INSERT I/O Jack (MX12/6:CH1-4, MX20/6:CH1-8) These are input/output jacks that are positionedbetween the equalizer and fader of the inputchannel. They have a nominal input/impedance of 0dB/600 Ω and a nominal output/impedance of 0dB/ 10k Ω . ...

Page 10 - • EFFECT; POWER Switch; Connector polarity

MX12/6, 20/6 — Owner’s Manual 8 Front & Rear Panels • EFFECT This is an impedance balanced phone type output jack with a nominal output/impedance of +4dB/600 Ω . The EFFECT bus signal is sent from this jack. This jack is used to send the signal to an externaleffector, etc. r RETURN L (MONO), R J...

Page 11 - Applications; Example 1) Sound Reinforcement for a live

MX12/6, 20/6 — Owner’s Manual Applications 9 Applications Example 1) Sound Reinforcement for a live performance Procedure q Connect line input devices or microphones to the INPUT jacks and connect a power amp, that isconnected to the main speakers, to the ST OUT Jacks. w Use the GAIN Control on each...

Page 12 - Example 2) Home Recording

MX12/6, 20/6 — Owner’s Manual 10 Applications Example 2) Home Recording AUX 2 (POST) SEND INSERT I/O C-R/PHONES ST OUT INPUT(ST CH) GROUP OUT 4 3 2 1 LINE OUT LINE IN RETURN INPUT Procedure <Preparations> q Connect a tone generator, synthesizer, microphone, etc. to the INPUT jacks, and connect...

Page 13 - Specifications; General specifications

MX12/6, 20/6 — Owner’s Manual Frequency response 20Hz—20kHz +1dB, -3dB @+4dB, 600 Ω (Input Gain control at minimum level) Total harmonic distortion <0.1% (THD+N) @+14dB, 20Hz—20kHz, 600 Ω Hum & Noise -128dB Equivalent input noise -95dB Residual output noise -64dB (68dB S/N) ST OUT: Master fad...

Page 14 - Input Specifications; Output Specifications; Dimensions

MX12/6, 20/6 — Owner’s Manual 12 Supplement ■ Input Specifications Input Gain Input Nominal Input level Connector type connectors Control impedance impedance Sensitivity *1 Nominal Max. before clipping MIC INPUT -60 5k Ω 50-600 Ω mics -80 dB (0.078mV) -60 dB (0.775mV) -40 dB (7.75mV) XLR-3-31 type *...

Page 15 - Block and Level Diagrams

MX12/6, 20/6 — Owner’s Manual Supplement 13 Block and Level Diagrams +30dB +30dB +20dB +20dB +10dB +10dB 0dB 0dB -10dB –10dB -20dB –20dB -30dB –30dB -40dB –40dB -50dB –50dB -60dB –60dB CH INPUT LINE IN GAIN Min.[+10dB] CH INPUT MIC IN GAIN Min.[-16dB] CH INPUT LINE IN GAIN Max.[-34dB] CH INPUT MIC I...

Page 16 - YAMAHA CORPORATION

YAMAHA CORPORATION Pro Audio & Digital Musical Instrument Division P.O. Box 3, Hamamatsu, 430-8651, Japan V629990 R2 1 CP 16 NP Printed in Taiwan