P
1
/
7
Formosa Audiomate Ltd.
Web site:
http://www.formosa
-
audio.com
TEL: 886
-
2
-
3234 1012 FAX: 886
-
2
-
3234 7349
E
-
mail: cathy@formosa
-
audio.com
March
11
, 20
1
3
.
(
ODM/OEM
are
WELCOME
)
A.
Picture:
P
2
/
7
Formosa Audiomate Ltd.
Web site:
http://www.formosa
-
audio.com
TEL: 886
-
2
-
3234 1012 FAX: 886
-
2
-
3234 7349
E
-
mail: cathy@formosa
-
audio.com
March
11
, 20
1
3
.
B.
Introduction
MT
-
2X04USB is 2CH stereo digital power amplifier with high performance DSP application
for stage, professional audio, home hi
-
end audio and karaoke products. Thanks to the
accurate digital signal processing, it is flexible to adapt various sound applications and
advantages as bel
l
ows:
Class
-
D and switching power Design for high efficiency, high stability & lighter weight.
Output power setting from 200Wx2CH ~1000W (BTL)
On b
oard digital signal processing includes crossovers,
compressors,
PEQs(frequency
point, Gain, Q value), delay time setting, output limit setting.
Easy Graphic User Interface (GUI) Control for DSP parameter adjustment and preset
saved/load through USB
(what you change
through GUI
, what you feel
synchronously
)
C.
Specifications
1.
Output power @ THD 1%
SE
-
2CH/8Ohm
SE
-
2CH/ 4Ohm
BTL
–
8Ohm
䵔
-
2304啓B
(
amplifier:
LD
-
2304K)
200W
rms
300W
rms
600W
rms
MT
-
2504USB
(
amplifier: LD
-
25
04K
II
)
3
0
0W
rms
500W
rms
1000W
rms
2. S/N Ratio @ rated power
………………………
.................................... > 100 dB @ A
-
WEI
3. THD @
-
3dB rated power
……………………………………………………………
< 0.05%
4. Input sensitivity
……………………………………………………………………………
0.5
V
5. Input Impedance
…………………………………………………………
..................... 22K
Ω
6. dimension: 19
”
1U rack
7. package: 1pc/carton
P
3
/
7
Formosa Audiomate Ltd.
Web site:
http://www.formosa
-
audio.com
TEL: 886
-
2
-
3234 1012 FAX: 886
-
2
-
3234 7349
E
-
mail: cathy@formosa
-
audio.com
March
11
, 20
1
3
.
D.
Hardware block diagram
E.
DSP processing (24
-
bit, 48kHz, 2in
-
2out)
1.
block diagram
HPF
LPF
10Band
PEQ
Compressor
Bridge
&
Signal
Routing
Delay
Limiter
HPF
LPF
10Band
PEQ
Compressor
Delay
Limiter
CH1
out
CH2
out
CH1
in
CH2
in
Vol
& Invert
Vol
& Invert
P
4
/
7
Formosa Audiomate Ltd.
Web site:
http://www.formosa
-
audio.com
TEL: 886
-
2
-
3234 1012 FAX: 886
-
2
-
3234 7349
E
-
mail: cathy@formosa
-
audio.com
March
11
, 20
1
3
.
2.
processing block
A.
input volume control : with slew and mute
control
B.
HPF, LPF:
1)
cutoff
fr
equency : 20~20kHz
2)
Slope type:
Butterworth
-
12,24dB/oct
Bessel
-
12,24dB/oct
Linkwitz
-
Riley
-
12,24 dB/oct
C.
10
-
Band PEQ:
1)
frequency : 20~20kHz
2)
Gain: +/
-
12dB
3)
Q: 0.1~1
6
D.
Delay: 12.5ms max per channel
E.
Compressor:
1)
Threshold
:6dB~
-
20dB
2)
Ratio: 1:1~20:1
3)
Attack: 0.1~200ms
4)
Release: 10~1000ms
F.
Limiter:
1)
threshold : 0dB ~
-
12dB
2)
Time constant: 50~500 dB/sec
G.
Bridge:
1)
B
ridge
d
by CH1 signal
2)
Bridged by CH2 signal
3)
Bridged by CH1
+
CH2
(mix)
signal
P
5
/
7
Formosa Audiomate Ltd.
Web site:
http://www.formosa
-
audio.com
TEL: 886
-
2
-
3234 1012 FAX: 886
-
2
-
3234 7349
E
-
mail: cathy@formosa
-
audio.com
March
11
, 20
1
3
.
F.
GUI control
Software
1.
Full
Control of the DSP
2.
Graphic
al
Frequency Response Display(PEQ and HPF ,LPF)
3.
Graphical Compressor Curve Display
4.
Link Function: for linking the parameters of ch1&ch2
5.
Indicator: For user turn on th
e LED on the front panel
to identify the status
6.
preset SAVE/LOAD
P
6
/
7
Formosa Audiomate Ltd.
Web site:
http://www.formosa
-
audio.com
TEL: 886
-
2
-
3234 1012 FAX: 886
-
2
-
3234 7349
E
-
mail: cathy@formosa
-
audio.com
March
11
, 20
1
3
.
G.
Applications examples
1.
Stereo in stereo out:
2.
Bridged out
MT
-
2X04USB
STEREO IN
STEREO
OUT
USB
MT
-
2X04USB
MONO IN Ch1
Bridged out ch1
MONO IN Ch2
Bridged out ch2
MT
-
2X04USB
P
7
/
7
Formosa Audiomate Ltd.
Web site:
http://www.formosa
-
audio.com
TEL: 886
-
2
-
3234 1012 FAX: 886
-
2
-
3234 7349
E
-
mail: cathy@formosa
-
audio.com
March
11
, 20
1
3
.
3.
Bi
-
amp for Two way Speaker
4.
Subwoofer
High
Low
CH1+Ch2
Bridged
MT
-
2X04USB
MT
-
2X04USB
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