HPA D300 User manual

Owner’s Manual
D300 D500
CLIP
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SIGNAL
POWER
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D500
PROFESSIONAL POWER AMPLIFIER
CLIP
PROTECT
SIGNAL
POWER
CHANNEL 2CHANNEL 1
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D300
PROFESSIONAL POWER AMPLIFIER

WARNING

1
D300 / D500
Introduction ………………………………………………………… 2
Features ……………………………………………………………… 3
Front Panel Controls ………………………………………………… 4
Rear Panel Controls ………………………………………………… 5
Get Started …………………………………………………………… 6
Block Diagrams ……………………………………………..……… 9
Specifications ……………………………………………………… 10
Table of Contents
Table of Contents

2
D300 / D500
Introduction
Welcome
Congratulation and thank you for the purchasing D series power amplifiers.
The D Series amplifiers define the standard for portable PA systems with unmatched
performance, technology, affordability and enormously light weight.
These amplifiers are designed to provide a big impact in sound reproduction and to
produce the best and highest quality audio at an affordable price.
We wish you great enjoyment and satisfaction when using your amplifier, whether you
are an installation, or reinforcement engineer.
Unpacking and Installation
Although it is neither complicated to install nor difficult to operate your amplifier, a few
minutes of your time is required to read this manual for a properly wired installation and
becoming familiar with its features and how to use them. Please take a great care may
be needed when moving your set and are required if it ever becomes necessary to re-
turn your set for service. Never place the unit near radiator, in front of heating vents, to
direct sun light, in excessive humid or dusty location to avoid damages and to guaranty
a long reliable use.
Connect your unit with the system components according to the description on the fol-
lowing pages.
CLIP
PROTECT
SIGNAL
POWER
CHANNEL 2CHANNEL 1
0
1
2
3
4
5
6
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D300
PROFESSIONAL POWER AMPLIFIER
D300 / D500
CLASS-D POWER AMPLIFIER
Introduction

3
D300 / D500
Features
Compact size, High performance and lightweight with Class-D Technology.
Integrated Peck limiters provide maximum output while protecting your speakers.
Various (XLR, 1/4” Phone, RCA) inputs ensure compatibility with any source.
5-Way Binding Post, 4-Pole Speakon outputs ensure compatibility with any speaker
connection.
Mode selection with Stereo, Parallel and Bridged MONO.
Advanced protection includes abnormal voltage, over current and High temperature.
Desktop and 19-inches rack mountable type.
Low distortion and low noise level.
Ideal commercial and industrial use.
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Features

4
D300 / D500
Front Panel Controls
1. Power Button
Turns amplifier power on and off. Blue LED
will illuminate when power is turned on.
2. Gain(Level) Controls
Two black rotary level controls, One for
each channel.
3. Indicators :
Signal Presence Indicator : Two green LED’s,
illuminate when the channel input signal ex-
ceeds -20dBu
Clip Indicator : Two yellow LEDs, illuminate
when the channel’s output is being overdriven
Protect Indicator : Two red LEDs, illuminate
when thermal compression begins or/and any
fault detected
CLIP
PROTECT
SIGNAL
POWER
CHANNEL 2CHANNEL 1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
15
17
19
22
29
54
0
1
2
3
4
5
6
7
8
9
10
11
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29
54
D300
PROFESSIONAL POWER AMPLIFIER
Front Panel Controls
1 3 2

5
D300 / D500
Rear Panel Controls
UNBALANCEDBALANCED BALANCED
CH 2 CH 1
CH 2 CH 1
CONNECT 1CONNECT 2
INPUT SPEAKER OUTPUT
BRIDGE
min. 8
BRIDGE PARALLEL
STEREO
MODE
CH 1
BRIDGE
CH 2
CH 2
CONNECT 2
CONNECT 1
PROFESSIONAL POWER AMPLIFIER
1. Balanced XLR Inputs
Two 3-pin XLR input connectors are pro-
vided.
2. MODE Selection
Three mode are provided.Stereo, Parallel
and Bridged mono.
3. 5-Way Binding Post Jacks
One pair per channel, accepts banana
plugs or bare wire.
Note : Binding post outputs on European
models come with safety plugs installed to
prevent European power plugs from being
inserted The side entry positions for these
connectors should be use with European
models .
4. 1/4 Inch Inputs
Two 1/4 inch input connectors are pro-
vided.
5. RCA(Phono) Inputs
Two RCA inputs are provided.(One per
channel).
6. 4-Pole Speakon Output Connectors
These two connectors accept 2-pole or
4-pole Speakon connectors. The channel
connector is wired for both channels so it can
be used for bridge-mono wiring or stereo wir-
ing of two speakers to a single Speakon
7. AC Power Connector
Rear Panel Controls
1
4 5 6 7
12 3

6
D300 / D500
Get Started
This is the default mode the amplifier is set to from the factory.
1. Connect Left/Right signal source to Channel 1 and Channel 2 using either the XLR,
1/4 Inch or RAC connectors.
2. Connect a speaker to each channel output using Speakon, Banana Plugs or bere
wire.
Get started
Stereo Bypass Mode
UNBALANCEDBALANCEDBALANCED
CH 2 CH 1
CH 2 CH 1
CONNECT 1CONNECT 2
INPUT SPEAKER OUTPUT
BRIDGE
min. 8
BRIDGEPARALLEL
STEREO
MODE
CH 1
BRIDGE
CH 2
CH 2
CONNECT 2
CONNECT 1
PROFESSIONAL POWER AMPLIFIER
MONOMONOMONO AUX
RETURN
CHANNEL5
STEREORETURN
AUX/EFXSEND
TAPEIN/USBPHONES/CTRL-R
CH
5
TAPEIN RECOUT
ALT3/4 OUTPUTFOOTSWITCH
MAINOUTPUT
CONTROLROOM
LINE
INSERT
5
MIC
ALT3/4
MAIN
TAPEIN
PHANTOMPOWER POWER
PROGRAM
SELECT
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL6
CH
6
LINE
INSERT
6
MIC
MF
2.5kHz
HF
12kHz
LF
80Hz
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL7
CH
7
LINE
INSERT
7
MIC
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL8
CH
8
LINE
INSERT
8
MIC
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL9/10
CH
9/10
LINE9
LINE10
9/10
MIC
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL11/12
CH
11/12
LINE11
LINE12
11/12
LINE13
LINE14
LINE13
LINE14
LINE15
LINE16
13/14
MIC
LINE15
LINE16
15/16
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL13/14
CH
13/14
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL15/16
CH
15/16
PFL
+10
5
0
5
10
15
20
30
40
EFXRTN
EFX
PFL
+10
5
0
5
10
15
20
30
40
ALT3/4
TOMAIN L/R
+10
5
0
5
10
15
20
30
40
MAINL/R
+10
5
0
5
10
15
20
30
40
ON
OFF
-20
-10
-7
-4
-2
0
+2
+4
+7
CLIP
AUX
EFX
HEADPHONE
-30+14
-6 -50
30
-15+15
0
-12+12
0
-15+15
0
010
5
PAN
LR
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-30+14
-6 -50
30
-15+15
0
-12+12
0
-15+15
0
010
5
PAN
LR
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-30+14
-6 -50
30
-15+15
0
-12+12
0
-15+15
0
010
5
PAN
LR
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-30+14
-6 -50
30
-15+15
0
-12+12
0
-15+15
0
010
5
PAN
LR
CHANNEL1
CH
1
LINE
INSERT
1
MIC
OUTIN
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL2
CH
2
LINE
INSERT
2
MIC
MF
2.5kHz
HF
12kHz
LF
80Hz
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL3
CH
3
LINE
INSERT
3
MIC
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL4
CH
4
LINE
INSERT
4
MIC
PFL
+10
5
0
5
10
15
20
30
40
-30+14
-6 -50
30
-15+15
0
-12+12
0
-15+15
0
010
5
PAN
LR
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-30+14
-6 -50
30
-15+15
0
-12+12
0
-15+15
0
010
5
PAN
LR
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-30+14
-6 -50
30
-15+15
0
-12+12
0
-15+15
0
010
5
PAN
LR
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-30+14
-6 -50
30
-15+15
0
-12+12
0
-15+15
0
010
5
PAN
LR
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-20+20
-10-50
30
-15+15
0
-12+12
0
-15+15
0
010
5
BALANCE
LR
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-20+20
-10-50
30
-15+15
0
-12+12
0
-15+15
0
010
5
BALANCE
LR
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-15+15
0
-12+12
0
-15+15
0
010
5
BALANCE
LR
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-15+15
0
-12+12
0
-15+15
0
010
5
AUX
010
5
AUX
010
5
MAIN
010
5
EFX
010
5
LEVEL
010
5LEVEL
010
5
AUX
010
5
BALANCE
LR
PERFORMANCE
HALLREVERB
PLATEREVERB
SPRINGREVERB
ECHO
FLANGE+VERB
CHORUS+VERB
ECHO+VERB
CHORUS
FLANGE
PFL
16CH MIXING CONSOLE
M1624FX-USB HPA
75Hz75Hz75Hz75Hz75Hz75Hz75Hz75Hz75Hz75Hz
L/ALT3 R/ALT4
MUTE
ALT3/4
MUTE
ALT3/4
MUTE
ALT3/4
MUTE
ALT3/4
MUTE
ALT3/4
MUTE
ALT3/4
MUTE
ALT3/4
MUTE
ALT3/4 ON
MUTE
ALT3/4
MUTE
ALT3/4
MUTE
ALT3/4
MUTE
ALT3/4
BRIDGE PARALLEL
STEREO
MODE
CH 1
BRIDGE
CH 2
CH 2
CONNECT 2
CONNECT 1

7
D300 / D500
Bridged-Mono Mode delivers The power of both amp channels into a signal 8ohm load.
1.The Mode button should be located to “BRIDGE”.
2.Connect signal source to Channel 1 only using the Channel 1’s XLR, 1/4 Inch or RAC
connectors.
3.Connect the speaker as shown.
a. If using the Binding Post output, connect the positive terminal of the speaker to
the positive terminal of Channel 1 and the negative terminal of speaker to the negative
terminal of Channel 2.
b. If using a Speakon connector, connect the positive terminal of the speaker to 1+
and the negative terminal to 2-. Plug the connector into the Channel 1 output only.
Bridge-Mono Mode
Get started
UNBALANCEDBALANCEDBALANCED
CH 2 CH 1
CH 2 CH 1
CONNECT 1CONNECT 2
INPUT SPEAKER OUTPUT
BRIDGE
min. 8
BRIDGEPARALLEL
STEREO
MODE
CH 1
BRIDGE
CH 2
CH 2
CONNECT 2
CONNECT 1
PROFESSIONAL POWER AMPLIFIER
BRIDGE PARALLEL
STEREO
MODE
CH 1
BRIDGE
CH 2
CH 2
CONNECT 2
CONNECT 1
MONOMONOMONO AUX
RETURN
CHANNEL5
STEREORETURN
AUX/EFXSEND
TAPEIN/USBPHONES/CTRL-R
CH
5
TAPEIN RECOUT
ALT3/4 OUTPUTFOOTSWITCH
MAINOUTPUT
CONTROLROOM
LINE
INSERT
5
MIC
ALT3/4
MAIN
TAPEIN
PHANTOMPOWER POWER
PROGRAM
SELECT
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL6
CH
6
LINE
INSERT
6
MIC
MF
2.5kHz
HF
12kHz
LF
80Hz
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL7
CH
7
LINE
INSERT
7
MIC
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL8
CH
8
LINE
INSERT
8
MIC
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL9/10
CH
9/10
LINE9
LINE10
9/10
MIC
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL11/12
CH
11/12
LINE11
LINE12
11/12
LINE13
LINE14
LINE13
LINE14
LINE15
LINE16
13/14
MIC
LINE15
LINE16
15/16
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL13/14
CH
13/14
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL15/16
CH
15/16
PFL
+10
5
0
5
10
15
20
30
40
EFXRTN
EFX
PFL
+10
5
0
5
10
15
20
30
40
ALT3/4
TOMAIN L/R
+10
5
0
5
10
15
20
30
40
MAINL/R
+10
5
0
5
10
15
20
30
40
ON
OFF
-20
-10
-7
-4
-2
0
+2
+4
+7
CLIP
AUX
EFX
HEADPHONE
-30+14
-6 -50
30
-15+15
0
-12+12
0
-15+15
0
010
5
PAN
LR
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-30+14
-6 -50
30
-15+15
0
-12+12
0
-15+15
0
010
5
PAN
LR
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-30+14
-6 -50
30
-15+15
0
-12+12
0
-15+15
0
010
5
PAN
LR
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-30+14
-6 -50
30
-15+15
0
-12+12
0
-15+15
0
010
5
PAN
LR
CHANNEL1
CH
1
LINE
INSERT
1
MIC
OUTIN
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL2
CH
2
LINE
INSERT
2
MIC
MF
2.5kHz
HF
12kHz
LF
80Hz
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL3
CH
3
LINE
INSERT
3
MIC
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL4
CH
4
LINE
INSERT
4
MIC
PFL
+10
5
0
5
10
15
20
30
40
-30+14
-6 -50
30
-15+15
0
-12+12
0
-15+15
0
010
5
PAN
LR
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-30+14
-6 -50
30
-15+15
0
-12+12
0
-15+15
0
010
5
PAN
LR
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-30+14
-6 -50
30
-15+15
0
-12+12
0
-15+15
0
010
5
PAN
LR
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-30+14
-6 -50
30
-15+15
0
-12+12
0
-15+15
0
010
5
PAN
LR
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-20+20
-10-50
30
-15+15
0
-12+12
0
-15+15
0
010
5
BALANCE
LR
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-20+20
-10-50
30
-15+15
0
-12+12
0
-15+15
0
010
5
BALANCE
LR
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-15+15
0
-12+12
0
-15+15
0
010
5
BALANCE
LR
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-15+15
0
-12+12
0
-15+15
0
010
5
AUX
010
5
AUX
010
5
MAIN
010
5
EFX
010
5
LEVEL
010
5LEVEL
010
5
AUX
010
5
BALANCE
LR
PERFORMANCE
HALLREVERB
PLATEREVERB
SPRINGREVERB
ECHO
FLANGE+VERB
CHORUS+VERB
ECHO+VERB
CHORUS
FLANGE
PFL
16CH MIXING CONSOLE
M1624FX-USB HPA
75Hz75Hz75Hz75Hz75Hz75Hz75Hz75Hz75Hz75Hz
L/ALT3 R/ALT4
MUTE
ALT3/4
MUTE
ALT3/4
MUTE
ALT3/4
MUTE
ALT3/4
MUTE
ALT3/4
MUTE
ALT3/4
MUTE
ALT3/4
MUTE
ALT3/4 ON
MUTE
ALT3/4
MUTE
ALT3/4
MUTE
ALT3/4
MUTE
ALT3/4

8
D300 / D500
When using the Parallel Mode, the amplifier is configured to use the input on Channel 1
only.
The amplifier allows two different output level of each channels individually by potential
meter on the front panel.
1. The Mode button should be located to “PARALLEL”.
2. Connect signal source to Channel 1 only using the Channel 1’s XLR, 1/4 Inch or RAC
connectors.
Parallel Mode
UNBALANCEDBALANCEDBALANCED
CH 2 CH 1
CH 2 CH 1
CONNECT 1CONNECT 2
INPUT SPEAKER OUTPUT
BRIDGE
min. 8
BRIDGEPARALLEL
STEREO
MODE
CH 1
BRIDGE
CH 2
CH 2
CONNECT 2
CONNECT 1
PROFESSIONAL POWER AMPLIFIER
BRIDGE PARALLEL
STEREO
MODE
CH 1
BRIDGE
CH 2
CH 2
CONNECT 2
CONNECT 1
MONOMONOMONO AUX
RETURN
CHANNEL5
STEREORETURN
AUX/EFXSEND
TAPEIN/USBPHONES/CTRL-R
CH
5
TAPEIN RECOUT
ALT3/4 OUTPUTFOOTSWITCH
MAINOUTPUT
CONTROLROOM
LINE
INSERT
5
MIC
ALT3/4
MAIN
TAPEIN
PHANTOMPOWER POWER
PROGRAM
SELECT
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL6
CH
6
LINE
INSERT
6
MIC
MF
2.5kHz
HF
12kHz
LF
80Hz
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL7
CH
7
LINE
INSERT
7
MIC
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL8
CH
8
LINE
INSERT
8
MIC
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL9/10
CH
9/10
LINE9
LINE10
9/10
MIC
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL11/12
CH
11/12
LINE11
LINE12
11/12
LINE13
LINE14
LINE13
LINE14
LINE15
LINE16
13/14
MIC
LINE15
LINE16
15/16
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL13/14
CH
13/14
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL15/16
CH
15/16
PFL
+10
5
0
5
10
15
20
30
40
EFXRTN
EFX
PFL
+10
5
0
5
10
15
20
30
40
ALT3/4
TOMAIN L/R
+10
5
0
5
10
15
20
30
40
MAINL/R
+10
5
0
5
10
15
20
30
40
ON
OFF
-20
-10
-7
-4
-2
0
+2
+4
+7
CLIP
AUX
EFX
HEADPHONE
-30+14
-6 -50
30
-15+15
0
-12+12
0
-15+15
0
010
5
PAN
LR
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-30+14
-6 -50
30
-15+15
0
-12+12
0
-15+15
0
010
5
PAN
LR
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-30+14
-6 -50
30
-15+15
0
-12+12
0
-15+15
0
010
5
PAN
LR
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-30+14
-6 -50
30
-15+15
0
-12+12
0
-15+15
0
010
5
PAN
LR
CHANNEL1
CH
1
LINE
INSERT
1
MIC
OUTIN
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL2
CH
2
LINE
INSERT
2
MIC
MF
2.5kHz
HF
12kHz
LF
80Hz
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL3
CH
3
LINE
INSERT
3
MIC
PFL
+10
5
0
5
10
15
20
30
40
CHANNEL4
CH
4
LINE
INSERT
4
MIC
PFL
+10
5
0
5
10
15
20
30
40
-30+14
-6 -50
30
-15+15
0
-12+12
0
-15+15
0
010
5
PAN
LR
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-30+14
-6 -50
30
-15+15
0
-12+12
0
-15+15
0
010
5
PAN
LR
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-30+14
-6 -50
30
-15+15
0
-12+12
0
-15+15
0
010
5
PAN
LR
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-30+14
-6 -50
30
-15+15
0
-12+12
0
-15+15
0
010
5
PAN
LR
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-20+20
-10-50
30
-15+15
0
-12+12
0
-15+15
0
010
5
BALANCE
LR
TRIM
PEAK
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-20+20
-10-50
30
-15+15
0
-12+12
0
-15+15
0
010
5
BALANCE
LR
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-15+15
0
-12+12
0
-15+15
0
010
5
BALANCE
LR
AUX
EFX
010
5
PRE/POST
MF
2.5kHz
HF
12kHz
LF
80Hz
-15+15
0
-12+12
0
-15+15
0
010
5
AUX
010
5
AUX
010
5
MAIN
010
5
EFX
010
5
LEVEL
010
5LEVEL
010
5
AUX
010
5
BALANCE
LR
PERFORMANCE
HALLREVERB
PLATEREVERB
SPRINGREVERB
ECHO
FLANGE+VERB
CHORUS+VERB
ECHO+VERB
CHORUS
FLANGE
PFL
16CH MIXING CONSOLE
M1624FX-USB HPA
75Hz75Hz75Hz75Hz75Hz75Hz75Hz75Hz75Hz75Hz
L/ALT3 R/ALT4
MUTE
ALT3/4
MUTE
ALT3/4
MUTE
ALT3/4
MUTE
ALT3/4
MUTE
ALT3/4
MUTE
ALT3/4
MUTE
ALT3/4
MUTE
ALT3/4 ON
MUTE
ALT3/4
MUTE
ALT3/4
MUTE
ALT3/4
MUTE
ALT3/4
Get started

9
D300 / D500
Block diagrams
Block diagrams

10
D300 / D500
D-300 D-500
Rated Output Power
Stereo Output @4ohms, THD 1.0% 150 Watts X 2 250 Watts X 2
Bridge Mono Output @8ohms, THD 1.0% 300 Watts 500 Watts
Input Sensitivity for full output at maximum gain
Balanced XLR Input(Impedance 20kohms) +4dBu ± 2dB
Balanced 1/4 Inch Input(Impedance 20kohms) +4dBu ± 2dB
Unbalanced RCA Input(Impedance 10kohms) +4dBu ± 2dB
Frequency Response @4ohms 1watt, 20Hz ~20kHz +0.5/-1dB
Signal to Noise Ratio at rated power output Less than 90dB
Crosstalk at all control maximum -65dB at 1kHz
THD @1kHz 1/2 rated power Less than 0.1%
Operating Temperature/Humidity @non-condensing 0°~40°C at 95% humidity
Indicators
PROTECT DC, Thermal, Over load
CLIP 0 dBr
SIGNAL -26 dBr
POWER SOURCE AC100V~AC240V 50Hz-60Hz
Construction
Cooling Convection Cooled
Dimensions (W × H × D) 482mm X 44 mm X 330mm
Net Weight 4.3 kg 4.7kg
Necessary modifications are carried out without notice.
Specifications
Specifications

11
D300 / D500

12
D300 / D500

13
D300 / D500