Akai DR16 pro Instrukcja Operatora Pobierz pdf (Strona 42)

4: Recording

Page 33

Input Source

The DR16pro can record from its eight analog inputs, the stereo (two-channel) built-in AES/EBU

digital input, the optional multi-channel digital audio option card (AES/EBU or ADAT) or the inter-

nal two-channel bus signal.

Analog Inputs

The DR16pro has eight analog input connectors on its rear panel. These connectors use 1/4 inch

stereo phone jacks. They accept balanced and unbalanced signals: Tip = hot, ring = cold, sleeve

= ground.

Setting the INPUT Gain Switches

Each pair of the analog inputs (channels 1/2, 3/4, 5/6, and 7/8) has a HIGH/MID/LOW GAIN

switch. Set the gain switches to match the level of the incoming signal. For a low signal level input

such as a microphone, set the switch to the HIGH position. Set the switch to the MID position for

consumer audio equipment (-10 dBu) and the LOW position for professional equipment (+4 dBu).

Setting the GAIN Controls

The front panel GAIN controls allow you to adjust the gain (level) of each analog input channel in

the range of -10 dB to +22 dB. When the controls are at the 9 o’clock position, the gain is 0 dB.

Turn the GAIN controls clockwise to set the channel levels. Adjust the level to get the hottest

possible signal without causing the 0 dB segment of the peak-hold LED bargraph to light.

Note:

The peak-hold meters are after the A/D converters in the signal path. When the amber

0 dB (Peak) segment lights, it indicates the level is too high and digital distortion or clipping

has resulted. You should adjust the GAIN levels so this does not occur.

The meters should be set to “PRE” (pre-mixer monitoring) in the SUB-MENU “MIXER” func-

tions. See “Selecting Pre- or Post- Metering” on page 66.

When recording vocals or acoustic instruments, it is usually a good idea to have a compressor

inserted in the signal path to avoid the distortion that can result due to sudden increases in level.

Digital Inputs

The DR16pro has two digital input connectors on its rear panel: an XLR connector and an RCA/

phono connector used to input AES/EBU and S/PDIF format digital signals.

When you record from a digital source, such as CD, DAT or MD, you cannot adjust the signal level

with the front panel GAIN controls. Most digital audio equipment offer no control over their digital

signal output. This should not present any problem — usable digital audio will have a reasonable

signal level.

It can record from both the built-in stereo digital interface and the 8-input multi-channel digital

audio option card simultaneously allowing up to 10 simultaneous record inputs.

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Akai DR16 pro Instrukcja Operatora Strona 42