Benchmark MPA1 Manual de Instruções descarregar pdf (Página 26)

PRE420 Instruction Manual – rev. E Page 26

Specifications

Microphone Preamps

Number of Preamps 4

Connectors Gold-Pin Neutrik™ female XLR with

direct ground feature

Grounding Direct bonding of pin 1 to chassis

Input Impedance (pad off) 8.1k Ohms

Input Impedance (pad on) 1.37k Ohms

Gain Range (with pad off) 22 dB to 60 dB (to direct outputs)

Gain Range (with pad on) 2 dB to 40 dB (to direct outputs)

Maximum Input Level (pad off) +7 dBu (+4.8 dBV, 1.7 Vrms)

Maximum Input Level (pad on) +27 dBu (+24.8 dBV, 17.4 Vrms)

Phantom Power +48V w/individual switches

High-Pass (rumble filter) 40 Hz second-order 12-dB/octave

Preamp Bandwidth -0.02 dB at 10 Hz

-0.17 dB at 200 kHz

- 3 dB at 500 kHz

EIN at 60 dB Gain (20 Hz to 20 kHz) – to any output -128 dBu at 150 Ohms

-131 dBu at 40 Ohms

-133 dBu at 0 Ohms

THD+N (1 kHz, BW=20 kHz, to any output at +27 dBu) -112 dB, 0.00024% at 22 dB Gain

-110 dB, 0.0003% at 35 dB Gain

-108 dB, 0.00038% at 40 dB Gain

-101 dB, 0.00085% at 55 dB Gain

IMD (50Hz and 7 kHz, to any output at +24 dBu) -104 dB, 0.0006% at 35 dB Gain

-104 dB, 0.0006% at 40 dB Gain

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Benchmark MPA1 Manual de Instruções Página 26