Introduction
1
AD824—Owner’s Manual
1 Introduction
Welcome
Thank you for choosing the Yamaha AD824 AD Converter. The AD824 is a high-per-
formance 8-channel analog-to-digital converter, with 24-bit linear analog-to-digital
converters and 128-times oversampling, providing a typical dynamic range of 110 dB.
Optional mini YGDAI (Yamaha General Digital Audio Interface) cards offer a variety
of digital output interfaces, with support for all the popular digital audio interconnect
formats, including AES/EBU, ADAT, and Tascam TDIF-1.
Analog inputs feature electronically balanced XLRs, high-quality mic preamps, inde-
pendently switchable 48-volt phantom powering, and rotary gain adjustment. Inputs
can be used with either microphones or line-level sources. Analog outboard equipment
can be patched into each channel by using the electronically-balanced analog insert
points on two 1/4" TRS phone jacks.
Remote control from a Yamaha DME32, personal computer, or other device is possible
using an exclusive control protocol.
Installation
The AD824 can be used freestanding on a stable surface, somewhere that complies with
the important information at the beginning of this manual, or mounted in a rack.
When mounting the AD824 in a rack, leave adequate ventilation space around the
AD824 (at least 10 cm of free space behind). If the AD824 is mounted in a portable rack
case, keep the rear of the case open when using the AD824 so as not to obstruct the flow
of air from the air vents. Do not mount the AD824 next to equipment that produces a
lot of heat, such as a power amplifier.
Connecting the Power Cord
Connect the power-cord plug to a suitable AC wall outlet, one that conforms to the
power supply requirements stated on the AD824 rear panel.
Turning On the Power
To prevent audible thumps and clicks, turn on your audio equipment in
the following order (reverse this order when turning off)—sound
sources, AD824, mixer or recorder (e.g., 02R, DME32, D24, etc.), power
amplifiers.
1
Press the [POWER] switch to turn on the AD824.
The AD824 starts up and the POWER indicator lights up.
2
Press the [POWER] switch again to turn off the AD824.
The POWER indicator goes out.
Warning: Turn off all equipment before making any connections.
ON
OFF
POWER
