Yamaha 4FX Owner's Manual - Page 26

Appendix Appendix Specifications ■ Electrical Characteristics Conditions MIN Total Harmonic Distortion (MIC to ST OUT) (THD+N) 20 Hz-20 kHz @+14 dBu 600 ohms (CH1 to 4) with Signal input CH ST Switches are On, Signal input CH Fader, ST Master Fader at nominal level Frequency Response (MIC to ST OUT) 20 Hz-20 kHz @+4 dBu 600 ohms with GAIN control at minimum level -3 Equivalent Input Noise (CH1 to 4) Hum & Noise (20 Hz-20 kHz) Rs=150 ohms, Gain=Maximum, Sensitivity =-60 dBu, Hum & Noise are measured with a -6 dB/octave filter @12.7 kHz;equivalent to a 20 kHz filter with infinite dB/octave attenuation. Residual Output Noise (ST OUT) ST, GROUP Master Fader at nominal level and all CH Group Switches and ST Switches are off. (ST, GROUP OUT) AUX Master Control at nominal level and all CH mix controls at minimum level. (AUX SEND) ST, GROUP Master Fader and one CH Fader at nominal level. (CH1 to 4) (ST, GROUP OUT) CH MIC INPUT to CH INSERT OUT CH MIC INPUT to GROUP OUT, ST OUT (CH to ST) CH MIC INPUT to ST OUT (GROUP to ST) CH MIC INPUT to REC OUT (CH to ST) CH MIC INPUT to AUX SEND (PRE) Maximum Voltage Gain CH MIC INPUT to AUX SEND (POST), EFFECT SEND CH LINE INPUT to GROUP OUT, ST OUT (CH to ST) ST CH MIC INPUT to GROUP OUT, ST OUT (CH to ST) PAN/BAL : panned hard left or hard right. ST CH LINE INPUT to GROUP OUT, ST OUT (ST CH to ST) ST CH LINE INPUT to AUX SEND (PRE) ST CH LINE INPUT to AUX SEND (POST), EFFECT SEND ST CH INPUT to GROUP OUT, ST OUT (ST CH to ST) RETURN to ST OUT RETURN to AUX SEND 2TR INPUT to ST OUT Crosstalk (1 kHz) Adjacent inputs input to output Monaural/Stereo Input GAIN Control variable range Where 0 dBu = 0.775 V TYP MAX UNIT 0.1 % 0 1 dB -128 dBu -100 dBu -88 (92 dB S/N) dBu -81 (85 dB S/N) dBu -64 (68 dB S/N) dBu 60 dB 84 dB 94 dB 62.2 dB 76 dB 86 dB 58 dB 84 dB 58 dB 47 dB 57 dB 34 dB 16 dB 9 dB 27.8 dB -70 dB -70 dB 44 dB ■ General Specifications Monaural/Stereo CH High Pass Filter Monaural/Stereo CH Equalization Turn over /roll-off frequency of shelving, 3 dB below maximum variable level Internal Digital Effect Phantom Power Monaural/Stereo Input PEAK Indicator Level Meters Included Accessories Options Power Consumption Dimensions (W × H × D) Weight Where 0 dBu = 0.775 V 80 Hz 12 dB/octave ±15 dB (Max. Variation) HIGH: 10 kHz (shelving) MID: 2.5 kHz (peaking) LOW: 100 Hz (shelving) 16 programs, Parameter control FOOT switch (ON/OFF) Supplied when Phantom +48 V switch is ON. (XLR-type input jacks) On each channel: red indicator lights if post-EQ signal (on ST channels, if either post-EQ signal or post-mic-amp signal) comes within 3 dB of the clipping level. Two 12-points LED level meters [ST (L, R)] Peak point: red indicator +5, +3, +1, 0: yellow indicators -1, -3, -5, -7, -10, -15, -20: green indicators Power adaptor (PA-20) Footswitch (FC5) 36 W 322 mm × 108 mm × 416.6 mm 5 kg 26 MG12/4FX