Electrical Characteristics - Yamaha QL1 Referenzhandbuch

Electrical characteristics

All faders are nominal when measured. Output impedance of signal generator: 150 ohms

Frequency Response.
Input Output RL
*2
600 Ω
OMNI OUT 1-16
*1
INPUT 1-32
PHONES 8 Ω
*1. QL1: INPUT 1-16
*2. QL1: OMNI OUT 1-8

Total Harmonic Distortion.
Input Output RL
*1 *2
600 Ω
INPUT 1-32 OMNI OUT 1-16
*2
600 Ω
OMNI OUT 1-16
Internal OSC
PHONES 8 Ω
*1. QL1: INPUT 1-16
*2. QL1: OMNI OUT 1-8
*3. Total Harmonic Distortion is measured with a 18 dB/octave filter @80 kHz

Hum & Noise.
Input Output RL
*1 *2
600 Ω
INPUT 1-32 OMNI OUT 1-16
*2
All INPUTs 600 Ω
OMNI OUT 1-16
*2
— 600 Ω
OMNI OUT 1-16
— PHONES 8 Ω
*1. QL1: INPUT 1-16
*2. QL1: OMNI OUT 1-8
*3. Hum & Noise are measured with A-weight filter.
Fs= 48 kHz @20 Hz–20 kHz, referenced to the nominal
output level @1 kHz
Conditions Min. Typ.
–1.5 0.0
GAIN: +66dB
–3.0 0.0
Fs= 48 kHz
Conditions Min. Typ.
+4 dBu @20 Hz–20 kHz, GAIN:
+66dB
+4 dBu @20 Hz–20 kHz, GAIN: –6dB
Full Scale Output @1 kHz
Full Scale Output @1 kHz, PHONES
Level Control: Max.
Fs= 48 kHz, EIN= Equivalent Input Noise
Conditions Min. Typ.
–128
Rs= 150 Ω, GAIN: +66dB
EIN
Master fader at nominal level and
one Ch fader at nominal level.
–62
Rs= 150 Ω, GAIN: –6dB
Master fader at nominal level and –84
one Ch fader at nominal level.
Rs= 150 Ω, GAIN: –6dB
Master fader at nominal level and all
*1
INPUT 1-32 in faders at nominal
level.
Residual Output Noise, ST Master Off
Residual Output Noise, PHONES
Level Control Min.

Dynamic Range.
Input Output
*1
INPUT 1-32 OMNI OUT 1-16
—
OMNI OUT 1-16
*1. QL1: INPUT 1-16
*2. QL1: OMNI OUT 1-8
Max. Unit
*3. Dynamic Range are measured with A-weight filter.
0.5
dB

0.5 Sampling Frequency
Parameter
Frequency
Max. Unit
Range
External Clock
0.1
0.05
%
0.02
Jitter of PLL
0.2
Frequency
Internal Clock Accuracy
Jitter
Max. Unit
–80
QL5: dBu
–64
QL1:
–67
–88
–88
41
Fs= 48 kHz
RL Conditions
*2
600 Ω AD + DA, GAIN: –6dB
*2
600 Ω DA Converter
Conditions Min.
Fs= 44.1 kHz
Fs= 45.9375 kHz (44.1 kHz +4.1667%)
Fs= 44.1441 kHz (44.1 kHz +0.1%)
Fs= 44.0559 kHz (44.1 kHz –0.1%)
Fs= 42.336 kHz (44.1 kHz –4.0%)
–200
Fs= 48 kHz
Fs= 50 kHz (48 kHz +4.1667%)
Fs= 48.048 kHz (48 kHz +0.1%)
Fs= 47.952 kHz (48 kHz –0.1%)
Fs= 46.080 kHz (48 kHz –4.0%)
DIGITAL IN Fs= 44.1 kHz
DIGITAL IN Fs= 48 kHz
Word Clock : Int 44.1 kHz
Word Clock : Int 48 kHz
Word Clock : Int 44.1 kHz
–50
Word Clock : Int 48 kHz
Word Clock : Int 44.1 kHz
Word Clock : Int 48 kHz
Min. Typ. Max. Unit
108 dB
112 dB
Typ. Max. Unit
+200 ppm
10 ns
44.1
kHz
48
+50 ppm
4.429
ns
4.069
Data List