Mackie 406M, Руководство по обслуживанию

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8
Maximum Voltage Gain
Mic Input to
Insert Output:
40 dB
Tape Output: 60 dB
Main Mixer Output: 72 dB
Line Input to
Insert Output:
20 dB
Tape Output: 20 dB
Main Mixer Output: 52 dB
Stereo Line Input to
Tape Output:
20 dB
Main Mixer Output: 32 dB
Tape Input to
Tape Output:
10 dB
Main Mixer Output: 22 dB
Effects Return to
Main Mixer Output:
22 dB
Monitor Output: 22 dB
Input Impedance
Mic Input: 3k
Ω
, bal
Insert Input: 10k
Ω
, unbal
Line Input: 40k
Ω
, bal
Stereo Line Input: 10k
Ω
, unbal
Tape Input: 10k
Ω
, unbal
Effect Return: 10k
Ω
, unbal
Power Amp In: 10k
Ω
, unbal
Output Impedance
Main Mixer Output: 150
Ω
Insert Output: 150
Ω
Tape Output: 150
Ω
Monitor Output: 150
Ω
Effects Send: 150
Ω
Power Amp Out: 0.032
Ω
@ 1kHz
Digital Effects
Resolution: 16-bit, 2-channel
Sample Rate: 31.25kHz
Bandwidth: 15.6kHz
VU Meters
Main and Monitor
8 segments: Clip, +5, 0, –5, –10,
–15, –20, –30
Equalization
Rumble Reduction:
75Hz, –18 dB/octave
Channel EQ:
High ±15 dB @ 12kHz
Mid ±12 dB @ 2.5kHz
Low ±15 dB @ 80Hz
Graphic EQ (9 bands):
Q = 1.414, ISO octave centers
±15 dB @ 63, 125, 250, 500 1k,
2k, 4k, 8k, 16k Hz
Main Mixer Section Rated
Output
Main Mixer, Monitor, & Effects:
+4 dBu
Maximum Main Mixer Section
Output:
+20 dBu
Maximum Input Levels
Mic Input:
Trim @ 0 dB (HI) –20 dBu
Trim @ –40 dB (LOW) +20 dBu,
Line Input:
Trim @ 0 dB (HI) 0 dBu
Trim @ –40 dB (LOW) +40 dBu
Insert Input: +20 dBu
Stereo Line Input: +20 dBu
Tape Input: +20 dBu
Effects Return: +20 dBu
Power Amp In: +22 dBu
Input Sensitivity
Minimum Input Level to produce
+4 dBu @ Main Mixer Output
Mic Input:
–68 dBu
Insert Input: –28 dBu
Line Input: –48 dBu
Stereo Line Input: –28 dBu
Tape Input: –18 dBu
Effects Return: –18 dBu
Frequency Response
Mic Input to Main Mixer Output
(Trim at 0 dB):
+0, –1 dB, 32Hz to 20kHz
+0, –3 dB, 16Hz to 80kHz
Mic Input to Power Amp Output
@ rated power output:
+0, –1 dB, 32Hz to 20kHz
+0, –3 dB, 16Hz to 55kHz
Distortion, THD and SMPTE
IMD; 20Hz to 20kHz
Mic Input to Main Mixer Output:
< 0.005% @ +4 dBu output
Mic Input to Power Amp Output:
< 0.15%, 250mW to rated
power
Common Mode Rejection
Ration (CMRR)
60 dB @ 1kHz, Trim @ 0 dB
Noise, 20Hz to 20kHz
(150
Ω Ω
Ω Ω
Ω
source impedance)
Equivalent Input Noise (EIN):
–127 dBu
Residual Output Noise:
Main Mixer, Monitor, & Effects
outputs with Channel & Mas
-ter levels off:
–95 dBu
Main Mixer Output Noise:
Master @ nominal (–10 dB), all
channels off:
–92 dBu
Master & 1 input channel @
nominal (–10 dB & –20 dB),
Trim @ 0 dB:
–85 dB
Crosstalk @ 1kHz
Adjacent Inputs or Input to Out-
put:
–90 dB
Fader Off –90 dB
Break Switch Mute –80 dB
Input Level Trim Control
Range
0 to –40 dB
Phantom Power
+15V DC
Specifications