Toa DP-K1 User manual

DESCRIPTION
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The TOA DP-K1 is an easy-to-operate digital audio
processor equipped with gain, equalizer, crossover,
compressor, noise gate, matrix, delay and Automatic
Resonance Control functions. The advanced new Automatic
Resonance Control (ARC) function enables the DP-K1 to
automatically measure and process the acoustic response
characteristics of complex environments and provide
compensatory parameter settings to improve speech
intelligibility and sound quality. This latest addition to the TOA
line of digital audio processors makes it easy to bring optimal
sound enhancement even to acoustically challenging venues
such as houses of worship, sports facilities, convention
centers, airports, and many other venues. The DP-K1's
modular design supports up to eight mic/line inputs and eight
line outputs with flexible contact-closure remote control.
DIGITAL AUDIO PROCESSOR
DP-K1
FEATURES
Digital audio processor has built-in rack-mount brackets (3
RU, EIA standard 19 inch rack mount width) for
commercial sound applications such as houses of
worship, sports facilities, convention centers, airports, and
many others.
Cost-effective modular design — up to 8 inputs and 8
outputs
•Users can choose from among a variety of optional modules.
Up to 16 different user-created combination configurations
are possible.
Built-in gain, equalizer, crossover, compressor, noise gate,
matrix and delay audio processor functions
Eight bus matrix allows flexible input-to-output signal
routing for zoning or room combining.
PC software for offsite programming and settings
Network interface for remote programming and
maintenance
Network ports are available on both front and rear panels.
8 internal memories for storage and recall of different
signal routing and parameter configurations.
Preset knob-lock function prevents accidental errors during
operation.
Input and output channel indicators
Cooling fan ensures continuous, reliable operation.
●Advanced new Automatic Resonance Control (ARC)
function improves system intelligibility.
•The ARC function automatically measures frequency
characteristics of the broadcast area and finds resonant
frequencies.
•Automatically creates a filter curve that curbs unwanted
resonant frequencies for the measured room response.
•Improves speech intelligibility and sound quality in facilities with
challenging acoustic environments.
•Room mode compensation
•Unlike earlier, time-consuming manual adjustment methods that
required electroacoustic engineers, operation is quick and easy.
•Fully comprehensive operating capability means no dedicated
device is required

DIGITAL AUDIO PROCESSOR
DP-K1
APPEARANCE AND
DIMENSIONAL DIAGRAM
XLR Connector
Removable Terminal
Block Connector
24 bit
20 bit
A/D
Converter
Mic/Line Input Modules
Digital Input Modules
Monaural type Stereo type
D-921F
2-Channel input module for mic
and line inputs (selectable) with
XLR connectors, adjustable
input sensitivity, and phantom
power.
D-922F
2-Channel input module for
mic and line inputs (selectable)
with XLR connectors and DIP
switches for input sensitivity,
phantom power and ground lift.
D-922E
2-Channel input module for mic
and line level inputs (selectable)
with removable terminal block
connectors, input sensitivity
DIP switches, phantom power
and ground lift.
D-936R
4 stereo input
module equipped
with standard RCA
jacks. This module
features two stereo
transmission
mode:
1) Selection of one
of the four stereo inputs.
2) Mixing of all four stereo inputs,
transmitting the mixed signal to the
D-901 though left/right channel
outputs.
D-937SP
Single channel stereo digital input
module. With the use of this module,
digital signals can be input, permitting
direct connection of the D-901 to
equipment having a digital output.
Owing to the built-in sample rate
converter, the module can handle
signals of various sampling frequencies.
D-923AE
2-Channel digital input module. With
the use of this module, digital signals
can be input, permitting direct
connection of the D-901 to equipment
having a digital output. Owing to the
built-in sample rate converter, the
module can handle signals of various
sampling frequencies.
Applicable AES/EBU Format
D-921E
2-Channel input module for mic
and line level inputs
(selectable) with removable
terminal block connectors,
adjustable input sensitivity and
phantom power.
Applicable S/PDIF Format
Modules
482.6
466
420
Rear View
Front View
Side View
320
57.3
132.6
37.7
Modular design allows you to configure the most cost-
effective design for each application.
TOA offers a range
of modules to suit
a variety of input and
output requirements.

XLR Connector
Removable Terminal Block Connector
RCA Pin Jack Connector
8 inputs/8 outputs 24 inputs/16 outputs
Remote Control Module
Line Output Modules
Applicable AES/ EBU Format Applicable S / PDIF Format
Digital Output Modules
D-971M
4-channel line outputs module
equipped with XLR connectors.
D-972AE
4-channel digital output module.
With the use of this module, digital
signals can be output, permitting
direct connection of the D-901 to
equipment having a digital input.
D-983
For external remote control of
memory presets, gain control,
stereo input selection and
channel ON/OFF operation plus
tally outputs.
D-981
For external remote control of
memory presets, gain control,
stereo input selection and
channel ON/OFF operation plus
tally outputs.
D-961SP
2-Channel stereo digital output
module. With the use of this
module, digital signals can be
output, permitting direct connection
of the D-901 to equipment having a
digital input.
D-971R
4-channel line outputs module
equipped with standard RCA pin
jack.
D-971E
4-channel line outputs module
equipped with removable terminal
block connectors.
BLOCK DIAGRAM
SIG LED 1234
SIG LED
SIG LED
SIG LED
SIG LED
SIG LED
SIG LED
SIG LED
5678
Filter
Filter
Gain
1
Filter
Filter
Gain
2
Filter
Filter
Gain
3
Filter
Filter
Filter
Filter
Filter
Filter
Gain
4
Filter
Gain
5
Filter
Gain
6
Filter
Gain
7
Filter
C/G
C/G
C/G
C/G
C/G
C/G
C/G
C/G
Gain
Gain
Gain
Gain
Gain
Gain
Gain
Gain
Gain
8
+15 V PAD AD
+15 V PAD AD
+15 V PAD AD
DIP SW
+15 V PAD AD
DIP SW
L
R
L
R
L
R
L
R
AD
AD
Selector
DIR DE-EMP SRC
DIR DE-EMP SRC
DIR DE-EMP SRC
DIR DE-EMP SRC
Selector
OPTICAL
OPTICAL
COAXIAL
COAXIAL
Microphone/Line
Input Module
(D-921F or D-921E)
Microphone/Line
Input Module
(D-922F or D-922E)
Digital Input Module
(D-923AE)
Stereo Input Module
(D-936R)
Digital Input Module
(D-937SP)
Automatic
Automatic
SIG LED
1234 ON
SIG LED
ON
SIG LED
ON
SIG LED
ON
SIG LED
ON
SIG LED
ON
SIG LED
ON
SIG LED
5678
ON
Filter COMP Delay
1
Filter COMP Delay
2
Filter COMP Delay
3
Filter COMP Delay
4
Filter COMP Delay
5
Filter COMP Delay
6
Filter COMP Delay
7
Filter COMP Delay
Gain
Gain
Gain
Gain
Gain
Gain
Gain
Gain
8
DA
DA
DA
DA
DIT
DIT
DIT
DIT
DIT
DIT
DIT
DIT
DA
DA
DA
DA
CPU
EtherNet
OPTICAL
COAXIAL
OPTICAL
COAXIAL
Control
IN 1
IN 8
OUT 1
OUT 8
Control
IN 1
IN 24
OUT 1
OUT 16
Line Output Module (D-971M or D-971E)
Line Output Module (D-971R)
Digital Output Module (D-972AE)
Digital Output Module (D-961SP)
Remote Control Module (D-981)
Remote Control Module (D-983)

SPECIFICATIONS
Specifications are subject to change without notice.
Printed in Japan (0608) 833-52-360-00 u
TOA Corporation
URL : http://www.toa.jp/
Power Source AC mains, 50/60Hz
Power Consumption 40W
Frequency Response 20 – 20,000Hz, ±1dB (+4dB* Input)
Input Max. 8 channels, modular construction (modules optional)
Output Max. 8 channels, modular construction (modules optional)
IO Configuration*
2
2-IN/4-OUT, 2-IN/8-OUT, 4-IN/4-OUT, 4-IN/8-OUT, 6-IN/4-OUT, 6-IN/8-OUT, 8-IN/8-OUT
Signal Processing
Automatic Resonance Control Function Parametric equalizer: 20 – 20,000Hz, ±12dB, Q: 0.267 to 69.249
Level Control –
∞ to +12dB (0.5dB steps), with polarity selector
Equalizer/Filter Parametric equalizer: 20 – 20,000Hz, ±12dB, Q: 0.267 to 69.249
Filtering: High-pass filter: 20 – 20,000Hz, 6dB/oct, 12dB/oct
Low-pass filter: 20 – 20,000Hz, 6dB/oct, 12dB/oct
Notch filter: 20 – 20,000Hz, Q: 8.651 to 69.249
All-pass filter: 20 – 20,000Hz, Q : 0.267 to 69.249
High shelving filter: 6 – 20,000Hz, ±12dB
Low shelving filter: 20 – 500Hz , ±12dB
Horn equalizer: 20,000Hz, 0 to +18dB,(0.5dB steps)
Crossover filter: 20 – 20,000Hz, 6dB/oct, 12dB/oct, 18dB/oct, 24dB/oct
Compressor Threshold: –16 to +24dB* (1dB steps)
Ratio: 1 : 1, 2 : 1, 3 :1, 4 : 1, 8 : 1, 12 : 1, 20 : 1,
∞ : 1
Attack time: 0.02 to 100ms
Release time: 10ms to 5s
Noise gate Threshold: –
∞ to –26dB* (1dB steps)
Attack time: 0.1 to 100ms
Release time: 20ms to 5s
Delay Delay time: 0 to 682.0ms (0.021ms steps)
Matrix 8 ×8
Level control: –∞to 0dB (1dB steps), with polarity selector
Preset memory 8
Auxiliary Function Key lock function
Setting Software OS: Windows*
3
2000/XP
Control system: 10 BASE-T/100 BASE-TX, Auto-negotiation, RJ45 connector
Front Panel Section Preset memory recall knob: 1
Input indicator: Green LED
Output indicator: Green LED
Module Slot (Rear Panel) Input module slots: 4
Output module slots: 2
Remote control module slot: 1
Operating Temperature +5°C to +40°C
Finish Panel: Aluminum, hair-line finish, black
Others: Pre-coated steel plate, black, 30% gloss
Dimensions 482.6 (W) ×132.6 (H) ×320 (D)mm (excluding projection)
Weight 7.4kg
Accessory Power cord (2m) ×1, Rack mounting bracket (preinstalled on the unit) ×2, Rack mounting screw ×4,
Blank panel (preinstalled on the unit) ×8, Module mounting screw (spare) × 4, CD (software) × 1
Option Mic/Line input modules: D-921E, D-921F, D-922E, D-922F
Stereo input module: D-936R
Digital input modules: D-923AE, D-937SP
Line output modules: D-971E, D-971M, D-971R
Digital output modules: D-972AE, D-961SP
Remote control modules: D-981, D-983
*0dB =0.775 V
*
2
It is not possible to use 8-IN/4-OUT setting.
*
3
Windows is a trademark of Microsoft Corporation.
Note: When installing the unit, never block the intake vents provided in the unit's bottom near the rear.