Samson Mixpad 9 Manual de usuario
• 9-channel stereo ultra-compact mixer.
• 3 balanced monophonic mic/line channels and 3
additional stereo channels.
• Independent CD/tape input; signal is routed via
channel EQ.
• Trim controls on mic input channels.
• 48 volt phantom power for mic input connectors.
• 2-band equalization on all channels.
• Constant level stereo panpot on each monophonic
channel.
• Left/right balance control on each stereo channel.
• 2 Aux sends (one pre-fade and one post-fade) on
each channel.
• 2 stereo Aux returns with front panel level controls.
• Front-panel stereo headphone output.
• Master peak and power LEDs.
• 2 balanced main outs.
• Optional battery power for convenience in ENG,
field broadcast and recording applications.
MIXPAD 9
ULTRA-COMPACT
MIXER
The ultra-compact MIXPAD 9 Mixer is a 9 input
stereo mic/line mixer in a very small package. Equipped
with 2-band equalization and pan/balance and level con-
trols on each channel, the MIXPAD 9 is an ideal device
for ENG, field recording, broadcasting and contracting
applications. It also features optional battery power, a
front-panel stereo headphone jack, 3 electronically bal-
anced mic/line inputs (XLR and 1/4″connectors), 3
stereo line inputs (1/4″connectors), a CD/tape input
(phono connectors), 48 volt phantom power, 2 Aux
sends and 2 stereo Aux returns (which have indepen-
dent level controls and so can be used as 4 mono Aux
returns), as well as a main level control and power and
peak LEDs.
Contact:
Samson Technologies Corp., P.O. Box 9031, Syosset, NY 11791-9031 •Phone: (516) 364-2244 •Fax: (516) 364-3888 •www.samsontech.com
SAMSON
LOW
HIGH+15-15
O
+15-15
O
+10
O
+10
O
LR
PAN
LEVEL
AUX 2
AUX1 PRE
LINE 1
PAN
LOW
HIGH+15-15
O
+15-15
O
+10
O
+10
O
LR
LEVEL
AUX 2
AUX1 PRE
LINE 1
TRIM -50
-10
0
+4
MIC 1
LOW
HIGH+15-15
O
+15-15
O
+10
O
+10
O
LR
LEVEL
AUX 2
AUX1 PRE
LOW
HIGH+15-15
O
+15-15
O
+10
O
+10
O
LR
LEVEL
AUX 2
AUX1 PRE
4L
5R
6L
7R
AUX
SEND 1 AUX
SEND 2 RIGHT
OUTPUT
BALANCED
+4dBu
AUX
RETURN
1/2
AUX
RETURN
3/4
AUX RET. 3/4
AUX RET.1/2
+10
POWER
LEFT RIGHT
TAPE/CD
LOW
HIGH+15-15
O
+15-15
O
+10
O
+10
O
LR
PAN
LEVEL
AUX 2
AUX1 PRE
LINE 1
TRIM -50
-10
0
+4
MIC 1
MAIN LEVEL
O
O
BALANCE BALANCE
TRIM -50
-10
0
+4
MIC 1
LEFT RIGHT
+10
MIXPADPAD
9
LOW
HIGH+15-15
O
+15-15
O
+10
O
+10
O
LR
LEVEL
AUX 2
AUX1 PRE
8L
9R
LEFT
BALANCE
123 456789
MONOMONO MONO
O
+10
O
+10
O
+10
O
+10
O
+10
O
+10
O
+10
ARCHITECT’S & ENGINEER’S
SPECIFICATION
The mixer shall be 9 in/2 out and shall incorporate 3
monophonic and 3 stereo line input channels, including 3
microphone channels. Microphone inputs shall be on XLR-
type connectors, monophonic line inputs shall be on bal-
anced 1/4′′ Tip-Ring-Sleeve phone connectors, and stereo
line inputs shall be on 1/4′′ phone connectors. An indepen-
dent stereo line-level CD/tape input (routed to channels 8-
9) shall be on phono connectors. Each channel shall have 2
Aux sends, 2-band equalization and a level control. In addi-
tion, monophonic channels shall have a stereo panpot and
stereo channels shall have a left/right balance control.
Microphone inputs (on channels 1-6) shall have an input
trim control.
The mixer shall provide main outputs on balanced
1/4′′ Tip-Ring-Sleeve phone connectors, effects outputs on
1/4′′ phone connectors, and a headphone output on a 1/4′′
Tip-Ring-Sleeve phone connector. 2 stereo effects returns
shall be provided on 1/4′′ phone connectors, and each
shall have an independent level control. The mixer shall be
powered either from provided mains adapter or from
optional battery pack. The unit shall be of an ultra-compact
type.The mixer shall have residual noise of 95 dB, THD less
than 0.01%, and frequency response of ±3 dB from 10 Hz
to 50 kHz. Dimensions shall be 9.4″(239 mm) wide, 9″
(228 mm) deep and 2.3″(58 mm) high. Weight shall be 5.5
lb. (2.5 kg). The mixer shall carry a three-year warranty.
The mixer shall be a SAMSON MIXPAD 9.
PEAK
DETECTOR
PEAK
DETECTOR
R
T
S
R
T
S
R
T
S
R
T
S
R
T
S
AUX 1
UNBALANCED
Zout = .1k
+4dbu
AUX 2
UNBALANCED
Zout = .1k
+4dbu
MAIN L
BALANCED
Zout = .1k
+4dbu
MAIN R
BALANCED
Zout = .1k
+4dbu
PHONES
UNBALANCED
Zout = .15k
150mW
+10dB
-10db
+10db
HEADPHONE
+4db
+4db
-10dbu
-10dbu
-10db
-10db
0dbu
0dbu
0db
0db
+14db
+14db
AUX 1
AUX 2
LEFT
RIGHT
R
I
G
H
T
L
E
F
T
A
U
X
2
A
U
X
1
R
I
G
H
T
L
E
F
T
A
U
X
1
A
U
X
1
-10dbu
-10dbu
-10dbu
-10dbu
0dbu
0dbu
0dbu
0dbu
AUX 1
-10db
AUX 2
-10db
PAN
-3db
mid
PRE/POST
+10db
0dbu
-10dbu
-10db
Level
LOW HIGH
0dbu 2 BAND EQ
+/-15db
(NON-INV)
0dbu
PAD
-20db
+30db
MIC PRE
(LINE)
+42VDC
MIC INPUT
BALANCED
XLR
Zin = 1k5
LINE INPUT
BALANCED
TRS
Zin = 10k
2
3
1
R
RN
TN
T
S
CHANNELS 1-3
MONO TYPES
MAIN
PRE/POST AUX 1
AUX 2
BAL
-10db
-10db
0db
mid
0dbu
+10db
-10dbu
-10db
-10dbu
-10db
Level
0dbu
+10db
2 BAND EQ
+/-15db
(NON-INV)
2 BAND EQ
+/-15db
(NON-INV)
0dbu
0dbu
0dbu
LOW HIGH
LOW HIGH
0dbu
AUX 3
AUX 4
TN
T
S
LINE INPUT
UNBALANCED
TS
Zin = 10k
(ODD)
TN
T
S
LINE INPUT
UNBALANCED
TS
Zin = 10k
(EVEN)
CHANNELS 4-9
STEREO TYPES
TAPE IN
AUX RETURNS 1-4
STEREO TYPES
AUX RTN 1/2
UNBALANCED
TRS
Zin = 10k
R
RN
TN
T
S
AUX RTN 1/2
-10db
-10db
(PARALLEL TO 8-9)
L
R
MIXPAD 9 SPECIFICATIONS
CHANNEL section
Total harmonic distortion (with 30 kHz LPF): < 0.01%
Residual noise (with 30 kHz LPF, VR min):
L/R main: 95 dB
Aux send 1/2: 85 dB
Frequency response (±3 dB): 10 Hz to 50 kHz
Maximum voltage gain:
Mic to main: 74 dB
Line to main (mono ch): 54 dB
Line/Tape to main (stereo ch): 34 dB
Aux return to main: 20 dB
Crosstalk (1 kHz):
Channel vs. channel: 70 dB
Input vs. output: 75 dB
EIN (“A”filter on, input shorted): Mic:-128 dB
Line: -111 dB
Maximum input level (1 kHz, ± 3dB):
Mic input (mono ch): +22 dBu
Line input (stereo ch): +7 dBu
Headphone output level (600 Ωloaded): 100 mW
Peak LED sensitivity (before clipping): 3 dB ±2 dB
EQUALIZATION
10 kHz High (shelving): ±15 dB
100 Hz Low (shelving): ±15 dB
GENERAL
Dimensions: 9.4″(w) x 9″(d) x 2.3″(h)
239 mm (w) x 228 (d) x 58 (h)
Weight: 5.5 lb. / 2.5 kg.
Specifications subject to change without notice. © 1998 SAMSON
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