Master Section Specifications; Audio Performance - Tascam AV-452 Installation & Support Manual

Master section specifications

CASCADE INPUTS Balanced (XLR -type connectors
Input impedance 10 kΩ, input level
+4 dBu
LINE OUTPUT Balanced XLR-type connectors
Output impedance 100 Ω, nominal
output level +4 dBu, maximum output
level +23 dBu
Unbalanced RCA connectors
MEETING OUT
Output impedance 100 Ω, nominal
output level –10 dBV (–7.8 dBu),
maximum output level +15 dBV
(+17.2 dBu)
INTERCOM Barrier strip
70 V, 40 kΩ, 24 V, 12 kΩ or 12 V, 4.7 kΩ
EMG IN 5 V r.m.s.

Audio performance

Frequency 20Hz to 20kHz +1.0/–2.0dB, MIC IN to INSERT SEND
response
20Hz to 20kHz +1.0/–2.0dB, LINE IN to LINE OUTPUT
20Hz to 20kHz +1.0/–2.0dB, LINE IN to MEETING OUTPUT
20Hz to 20kHz +1.0/–2.0dB, LINE IN to OUTPUT (to LINE sources)
50Hz to 20kHz +1.0/–2.0dB, LINE IN to PHONES OUTPUT
THD 0.07%, MIC IN to LINE OUTPUT (GAIN: MIN, DIN AUDIO)
(nominal level,
0.03%, LINE IN to LINE OUTPUT (DIN AUDIO)
1 kHz)
0.03%, LINE IN to OUTPUT (to LINE sources) (DIN AUDIO)
0.03%, LINE IN to MEETING OUTPUT (DIN AUDIO)
Noise level (GAIN: MAX, EIN, 150ohm terminated) –110dBu, MIC IN to INSERT SEND
MIC IN
(DIN Audio+A)
–72 dBV (–70dBu), LINE IN to LINE OUTPUT
LINE IN
(DIN Audio)
–72 dBV (–70dBu), LINE IN to OUTPUT (to LINE sources)
–72 dBV (–70dBu), LINE IN to MEETING OUTPUT
–70 dBV (–68dBu), LINE IN to PHONES OUTPUT
Crosstalk 60dB, L/R at 1kHz
65dB, Input channels at 1kHz
Speaker Noise level (DIN Audio +A): 4 mV (ROOM VOLUME at max, MIC faders at min, inputs shorted); 1.2 mV (ROOM VOLUME minimum
outputs
Signal-to-noise ratio (DIN Audio+A):70 dB (output of 50 W)
8 – Specifications and block diagram
Phones
Connector 1/4" stereo jack
100 mW + 100 mW (68 Ω) control at maximum
Maximum output
power
Speaker outputs
Connector
Load impedance
Rated output power
Maximum output power 100 W +100 W (EIA, JAITA)
TASCAM AV-452 Installation & Support Guide
Binding posts
8 Ω
80 W + 80 W (1 kHz, 1%, 8Ω)
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