Yamaha Input Expander EXi8

Yamaha Input Expander EXi8

EXi8 input expanders convert analog microphone/line audio to digital and transmits the signal using Yamaha’s YDIF format. The EXi8’s preamps can be controlled remotely from MTX/MRX series processor via Ethernet cable.


Sampling frequency rate:

Internal: 48 kHz/ 44.1 kHz


Signal delay:

Less than 2.5 ms


Total harmonic distortion:

Less than 0.05% (+4 dBu, Gain: -6 dB), Less than 0.1% (+4 dBu, Gain: +66 dB)


Frequency response:

20 Hz to 20 kHz, -1.5 dB min, 0 dB typ., +0.5 dB max


Dynamic range:

107 dB (Gain: -6 dB)

Equivalent input noise (EIN):

-126 dBu (Gain: +66 dB)

Phantom power:

+48 V (per channel; individually settable)



-100 dB (@1 kHz)


Heat dissipation (per hour):

21.5 kcal max.


Power supply voltage:

100 V 50/60 Hz


Power consumption:

25 W max.


Dimensions (W x H x D):

480 x 44 x 351 mm, 1U

Included Accessories:

Power cord

Euroblock plugs (3-pin, tabbed) x 8