Technical specifications – ESI ESU1808 User Manual

Page 21

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ESU1808

ESI

21

8. Technical Specifications

Interface

Type

USB 2.0 Full Speed / High Speed support

Firmware

Firmware update via USB possible

Digital Clock

Low jitter due to USB independent PLL

I/O Configuration

18 audio input channels & 8 audio output channels audio interface

1 port (16 channels) input & 1 port (16 channels) output MIDI interface

Resolution & Sample Rates

24bit / 44.1kHz, 48.0kHz, 88.2kHz, 96.0kHz in High Speed mode

Line Input

Type

12 x Balanced/Unbalanced 1/4" TRS Input

Level

IN 9-16: +4dBu Nominal (@-16dBFS) , +20.2dBu max, deviation +/- 0.2dB

IN 5-8: -10dBu Nominal (@-16dBFS) , +8.4dBu max, deviation +/- 0.1dB

Frequency Response

20Hz to 20kHz, +/- 0.05 dB

THD + N

IN 9-16: 0.0006% A-weighted (1kHz @ -3dBFS)

IN 5-8: 0.0004% A-weighted (1kHz @ -3dBFS)

Dynamic Range

102.0 dB A-weighted (1kHz @ -60dBFS)

Impedance

IN 9-16: 10k ohm (1/4" TRS), IN5-8 : 20kohm

A/D Converter

Type

Dynamic Range

S/(N+D) Ratio

Interchannel Isolation

24bit, 96KHz

107dB (@ -60dBFS A-Weighted)

-100dB (@ -1dBFS, measurement method)

110dB

Microphone Preamplifier

Type

Balanced XLR (+48V Phantom Power support)

Max Input Level

-5dBu max (PAD OFF), +15.0dBu max (PAD ON)

Gain Range

+20.0dB min ~ +68dB max (PAD OFF), 0dB min ~ +48dB max

Equivalent Input Noise

126 dBu (22kHz BW, +60dB Gain, 150 ohm)

THD + N

0.0009% A-weighted (1kHz @ gain +35dB)

Frequency Response

10Hz ~ 50kHz @+50dB (40Hz~15kHz : +0.06, -0.58dB)

Impedance 1.5K

Ohm

Hi-Z Instrument Input

Type

2 X Unbalanced 1/4" with Gain control

Level

-10dBu Nominal (@-16dBFS) , +8.4dBu max

Gain Range

0dB min ~ +38dB max

Frequency Response

20Hz to 20kHz, +/- 0.24 dB

THD + N

0.001% A-weighted (1kHz @ -3dBFS)

Dynamic Range

100.2 dB A-weighted (1kHz @ -60dBFS)

Impedance 200K

Ohm

Analog Output

Type

8 x Balanced/Unbalanced 1/4" TRS Output

Level

+4dBu Nominal (@-16dBFS) , +20.0dBu max, deviation +/- 0.2dB

-10dBu Nominal (@-16dBFS) , +8.2dBu max, deviation +/- 0.1dB

ATT Range

0dB ~ -63.5dB (0.5dB step size)

Frequency Response

20Hz to 20kHz, +/- 0.02 dB

THD + N

0.0007% A-weighted (@ -3dBFS)

Dynamic Range

111dB A-weighted

Impedance

330 ohm (1/4" TRS)

D/A Converter

Type

Dynamic Range

S/(N+D) Ratio

Interchannel Isolation

24bit, 192KHz

112dB (@ -60dBFS with A-Weighted)

-94dB (@ -1dBFS, measurement method)

100dB

MIDI I/O

Type

5pin DIN Standard MIDI Connector

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