Klein-hummel K8-AESI16 User Manual
K8-AESI16
16-CHANNEL LINE AUDIO INPUT TO K8 BUS
KEY FEATURES TECHNICAL SPECIFICATIONS
Professional quality digital audio
Puts 8 AES3 inputs, 16 audio channels onto the K8 bus
Drives (2) 200 meter K8 cabling legs
Low latency
No software configuration required
Remote control and monitoring
Single cable solution
Standard category 5 cabling
PRODUCT DESCRIPTION
The K8 digital audio distribution system transports
professional quality audio across a facility over standard
category 5 cable. It can be used for simple point-topoint connections or can form a distribution backbone
for sending up to 16 audio channels to multiple remote
locations.
The K8-AES16 offers the ability to take 8 stereo AES3
signals and encode them onto the K8 system. The K8AESI16 may also be stacked with an 8 audio channel K8
device to provide 8 channels of audio in each format
chosen.
The system is fast to implement and requires no
configuration. It is easily connected together with up
to 200 meter lengths of category 5 cable. For advanced
applications the entire system may be controlled and
monitored from a single connection via RS-485 or
optionally with Ethernet or USB adaptors.
Frequency Response 20 Hz – 22 kHz
Signal to Noise Ratio >100dB(A)
Input AES3, XLR female connectors x 8
Output Level +4 dBu, +22 dBu Peak
Output Two K8 bus outputs, each drives 200 meters
Control RS-485, DB-9 female connector, open
Optional USB adaptor
Optional Ethernet adaptor
Configuration Switch 4-position DIP
Digital Audio Format 48 kHz sampling rate, 24 bit, proprietary
Latency 1.2ms, 48 kHz input sampling frequency
Power Requirements 95 - 240 Volts AC (±10%), 50 - 60 Hz, wide
Front Panel Indicators Power, Input OK
Rear Panel Indicators OK, wink
Weight 7 lbs / 3,2kg
Dimensions 19” wide x 1.75” high x 8“ deep
Operating Temperature
Range
(16 total channels)
Sample rate input range 32 kHz - 192 kHz
published protocol
38400 Baud, 8 Data, 1 Stop, No Parity
1.3ms, 44.1 kHz input sampling frequency
0.6ms, 96 kHz input sampling frequency
range power supply
15 Watts
IEC power cord and connector
0…70°C (32…160°F)
The K8 bus has a total latency of 0.5ms making it useable
in both distributed and live performance settings.
K8-AESI16
16-CHANNEL LINE AUDIO INPUT TO K8 BUS
APPLICATIONS
For large paging and background music applications pull a single category 5 cable out to each remote amplifier location
or daisy chain from one amplifier room to the next. All locations have access to 16 channels of digital audio without
concern over ground loops or induced noise.
Use K8 as a mini snake for sending audio feeds from an auditorium out a remote broadcast truck.
Mount a K8 device in a cluster of powered speakers and drive the entire cluster with a single category 5 cable.
Use K8 as a digital snake between the mixing console and the amplifier racks. Put another K8 branch and output device
on stage to drive the stage monitors.
Distribute central background music and paging out to individual venue systems in cruise ships, entertainment
facilities, convention centers, schools and conference facilities.
ARCHITECT & ENGINEERING SPECS
The audio transport system shall carry 16 channels of digital audio integrated with bi-directional remote control and
monitoring data over a single category 5 cable up to 200 meters in length without being actively refreshed. The digital
audio format shall be uncompressed, 48kHz sampling rate, 24 bit quantization depth and shall have a total latency
through the transport system of less than 0.5 milliseconds. The system shall pass audio when powered up with no
software configuration required. The input to the digital audio system shall be via an 8 stereo channel AES3 standard
digital audio input with XLR female connectors mounted in an EIA standard 1 unit rackmount case with universal voltage
power supply. The signal to noise ratio of the system shall be greater than 100 dB and the audio input device shall drive 2
individual category 5 cables to a length of 200 meters. An RS-485 control port shall allow remote monitoring and control
of all devices on a single K8 bus. Input sampling rates between 32 kHz and 192 kHz shall be accepted. The unit shall
indicate an audio signal lock condition for each channel on the front panel. System status OK and device identification
shall be shown with lighted indicators on the back panel. Termination of the digital audio and control lines shall be made
with DIP switches on the rear panel. The AES3 digital audio input to the digital audio distribution system shall be K+H
K8-AESI16.
K+H Vertriebs- und Entwicklungsgesellschaft mbH
Auf dem Kessellande 4A
30900 Wedemark
Germany
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