Yamaha Q2031B Operation Manual page 10

SPECIFICATIONS
Q2031B GQ1031C
GQ2015A
FREQUENCY RESPONSE
20 Hz ~ 20 kHz ±0.5dB @ +4dB* 600Q
TOTAL HARMONIC DISTORTION
Less than 0.05% (THD+N), 20 Hz ~ 20 kHz @ +4 dB* 600^2, Equalizer...all flat (OdB)
HUM & NOISE
(Average, Rs=600£2 BPF: 20Hz - 20kHz)
-96 dB* I -94 dB* | -96 dB*
Equalizer ... all flat (0 dB), Input Level ... Max.
MAXIMUM VOLTAGE GAIN
0 dB, Input Level ... Max.
EQUALIZER CONTROLS
Center Frequencies:
31 band (1/3 octave)
20, 25, 31.5, 40, 50, 63, 80, 100, 125,160, 200, 250, 315,
400,500, 630, 800,1 k, 1.25k, 1.6k, 2k, 2.5k, 3.15k, 4k, 5k,
6.3k, 8k, 10k, 12.5k, 16k, 20kHz
15 band (2/3 octave)
25,40,63,100,160, 250,
400, 630, Ik, 1.6k, 2.5k, 4k,
6.3k, 10k, 16kHz
Variable Range:
±12dB/±6dB
HIGH PASS FILTER
(Rolloff Frequency)
12dB/octave
(20'-200Hz at-3dB point.)
12dB/octave (80Hz at -3dB point.)
PEAK LED INDICATOR
Red LED on each channel turns on when post-EQ signal reaches the level 3 dB below
clipping.
SIGNAL LED INDICATOR Green LED on each channel turns on when post-EQ signal reaches the level 13 dB
below nominal level.
POWER REQUIREMENTS
U. S. & Canadian Models : AC120V, 60Hz
General Model : AC230V, 50Hz
POWER CONSUMPTION 20W
13W
15W
DIMENSIONS (W
X
H
X
D)
480
X
93.4
X
230mm
480
X
49.4
X
230mm
WEIGHT 4.0kg
2.8kg
3.0kg
* 0 dB is referenced to 0.775V RMS.
• INPUT SPECIFICATIONS
INPUT
Connectors
Input
Impedance
Source
Impedance
Input Level
Connectors **
Sensitivity * Nominal Level
Maximum
Before Clipping
INPUT
(A, B)
15 kQ
600 Q
Lines
+4 dB (1.23V) +4 dB (1.23V)
+24 dB (12.3V)
XLR-3-31 Type
Phone Jack (TRS)
• OUTPUT SPECIFICAT IONS
OUTPUT
Connectors
Output
Impedance
Load
Impedance
Output Level
Nominal Level
Maximum
Before Clipping
Connectors
OUTPUT
(A, B)
150 Q
600 Q Lines
+4 dB (1.23V)
+24 dB (12.3V)
XLR-3-32 Type
Phone Jack (TRS)
* The input level required to obtain the nominal output level.
** XLR"type connectors are balanced. 1=Ground, 2=+, 3=-
Phone jacks are balanced. T=+, R=-, S=Ground
• Specifications subject to change without notice.
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