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AM700 Audio Measurement Set Service Manual
1–7
Table 1–2: Analog analyzer specifications (cont.)
Capabilities Description
Amplitude measurement
Amplitude Accuracy at CAL Frequency
+8 dBu FS ±0.1 dB at 120 Hz
Other gain steps FS ±0.15 dB at 120 Hz
Amplitude Accuracy (relative to Accuracy at CAL
Frequency) (High Resolution Mode)
10 Hz to 20 kHz
Inputs >1 mV (–57.8dBu) to10mV (–37.8dBu) ±1.0 dB
Input >10 mV (–37.8 dBu) to 1.946 V (+8 dBu) ±0.1 dB, typically ±0.05 dB, 50 Hz to 10 kHz
Input >1.946 V (+8 dBu) to <64 V (+36 dBu) for
input frequency below 20 kHz and to <16 V
(+26 dBu) for input frequencies from 20 to
80 kHz
±0.15 dB, typically ±0.05 dB, 50 Hz to10 kHz
Amplitude Accuracy (relative to Accuracy at CAL
Frequency) (High Bandwidth Mode)
10 Hz to 20 kHz 20 to 70 kHz 70 to 80 kHz
Inputs >1 mV (–57.8dBu) to10mV (–37.8dBu) ±1.0 dB ±1.0 dB ±2.0 dB
Input >10 mV (–37.8 dBu) to 1.946 V (+8 dBu) ±0.15 dB
(Typically ±0.05 dB from
50 Hz to10 kHz)
±0.2 dB ±1.0 dB
Input >1.946 V (+8 dBu) to < 64 V (+36 dBu) for
input frequency below 20 kHz and to <16 V (+26
dBu) for input frequencies from 20 to 80 kHz
±0.20 dB
(Typically ±0.05 dB from
50 Hz to10 kHz)
±0.25 dB ±1.0 dB
Interchannel Amplitude Accuracy at 120 Hz
High Resolution Mode
At +8 dBu FS ±0.1 dB, typically ±0.05 dB
At other gain steps FS ±0.15 dB
High Bandwidth Mode
At +8 dBu FS ±0.2 dB, typically ±0.05 dB
At other gain steps FS ≥62.5 mV (–22 dBu) ±0.25 dB
Interchannel Amplitude Flatness Relative to Interchannel
Amplitude Accuracy at 120 Hz
High Resolution Mode (10 Hz to 20 kHz)
At +8 dBu FS ±0.1 dB, typically ±0.05 dB
At other gain steps FS ±0.15 dB, typically ±0.05 dB