• 15-input, rack-mountable stereo mixer (6-space).
• 5 balanced monophonic mic/line channels and 5
additional stereo channels.
• 3-band equalization on each channel.
• 2 post-fade Aux sends on each channel.
• 2 stereo Aux returns with front-panel level and
balance controls.
• Constant level stereo panpot on each monophonic
channel.
• Left/right balance control on each stereo channel.
• Input trim control on each channel.
• Peak input level LEDs on each channel.
• Front-panel output signal level meter.
• 48 V global phantom power switch for mic input
connectors with LED indicator.
• Balanced stereo bus outputs.
• 5 mono channel inserts.
• Independent stereo tape input/output; input signal is routed via channel EQ and replaces tape
inputs on channels 14 and 15.
• Front-panel stereo headphone output with dedicated level control.
• Optional rack-mount kit.
MIXER
COMPA CT
The MPL 1502 Compact Mixer
provides a 15 x 2 stereo mic/line
mixer in a compact tabletop format
which can easily be converted to a 6space rack-mount package. Equipped
with 3-band equalization, pan/balance
control and an input trim on each
channel, the MPL 1502 is ideal for
recording, broadcasting, live concert
and contracting applications. It also
features 5 electronically balanced
mono mic/line inputs (XLR and 1/4″
connectors), 5 stereo line inputs (1/4″
connectors), stereo tape inputs and
outputs (phono connectors), a stereo
headphone jack with dedicated level
control, switchable 48 volt phantom
power, 2 post-fade Aux sends and 2
stereo Aux returns (which have independent level and balance controls
which can also be used as 4 mono Aux
returns) along with electronically balanced stereo bus outputs and 5 channel insert patch points.
1
2
3
−∞
−∞
−∞
+15
1
2
3
−∞
−∞
−∞
1
2
3
−∞
−∞
−∞
1
2
3
−∞
−∞
−∞
1
2
3
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
−∞
+15
−∞
−∞
-20 -10 -6 -2
0+2+6
-20 -10 -6 -2
0+2+6
15 CHANNEL STEREO MIXER
M
PL 1502
MPL 1502
15 CHANNEL
STEREO MIXER
SAMSON
123
4
6 / 75 8 / 9 10 / 11 12 / 13 14 / 15
LEFT/MONOLEFT/MONOLEFT/MONOLEFT/MONOLEFT/MONO
MIC INPUT (BALANCED -50dB TO +4dB)
LINE INPUT (BALANCED 10KΩ -40dB TO +4dB RIGHT RIGHT RIGHT RIGHT RIGHT
LINE INPUT (BALANCED 10KΩ -30dB TO +4dB)
-30+4
0
10
TRIM
-30+4
0
10
TRIM
-30+4
0
10
TRIM
-30+4
0
10
TRIM
-30+4
0
10
TRIM
-50+4
0
10
TRIM
-50+4
0
10
TRIM
-50+4
0
10
TRIM
-50+4
0
10
TRIM
-50+4
0
10
TRIM
HIGH
-15 +15
0
HIGH
-15 +15
0
HIGH
-15 +15
0
HIGH
-15 +15
0
HIGH
-15 +15
0
HIGH
-15
+15
0
HIGH
-15 +15
0
HIGH
-15 +15
0
HIGH
-15 +15
0
HIGH
-15 +15
0
MID
-15 +15
0
MID
-15 +15
0
MID
-15 +15
0
MID
-15 +15
0
MID
-15 +15
0
MID
-15 +15
0
MID
-15 +15
0
MID
-15 +15
0
MID
-15 +15
0
MID
-15 +15
0
LOW
-15 +15
0
LOW
-15 +15
0
LOW
-15 +15
0
LOW
-15 +15
0
LOW
-15 +15
0
LOW
-15 +15
0
LOW
-15 +15
0
LOW
-15 +15
0
LOW
-15 +15
0
LOW
-15 +15
0
+10
AUX 1
+10
AUX 1
+10
AUX 1
+10
AUX 1
+10
AUX 1
+10
AUX 1
+10
AUX 1
+10
AUX 1
+10
AUX 1
+10
AUX 1
+20
AUX 1 LEVEL
0
RL
BALANCE
RL
BALANCE
+20
AUX 2 LEVEL
0
CHANNEL 14 / 15
OFF
ON
TAPE IN
PHANTOM POWER
LEFT
RIGHT
HEADPHONE
LEVEL
010
MAIN
0
14 /1512 /1310 /118 / 96 / 754321
GAIN
0
GAIN
0
+15
GAIN
0
+15
GAIN
0
+15
GAIN
0
+15
GAIN
0
+15
GAIN
0
+15
GAIN
0
+15
GAIN
0
+15
GAIN
0
+15
PEAK
PAN
LR
PEAK
PAN
LR
PEAK
PAN
LR
PEAK
PAN
LR
PEAK
PAN
LR
PEAK
BALANCE
LR
PEAK
BALANCE
LR
PEAK
BALANCE
LR
PEAK
BALANCE
LR
PEAK
BALANCE
LR
AUX 2
+10
0
AUX 2
+10
0
AUX 2
+10
0
AUX 2
+10
0
AUX 2
+10
0
AUX 2
+10
0
AUX 2
+10
0
AUX 2
+10
0
AUX 2
+10
0
AUX 2
+10
0
0
0
0
0
0
0
0
0
0
0
ON
OFF
POWER
RIGHT
LEFT/MONO
CHANNEL INSERT - TIP RETURN - RING SEND
MAIN OUT
(BALANCED 600 Ω +4dB)
1
2
AUX SEND
(UNBALANCED 2KΩ +4dB)
SAMSON TECHNOLOGIES CORP., HICKSVILLE, NEW YORK
SERIAL NUMBER
AVIS:
RISQUE DE CHOC ELECTRIQUE
NE PAS OUVRIR
DO NOT EXPOSE THIS EQUIPMENT
TO RAIN OR MOISTURE
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
!
M
PL 1502
15 CHANNEL STEREO MIXER
TIP RING SLEEVE
TIP +
RING -
SLEEVE GND
PHANTOM
48V
RIGHT LEFT
TAPE IN
(10KΩ -10dB)
12345
RIGHT
LEFT/MONO
2
1
AUX RETURN
(UNBALANCED 2KΩ +4dB)
115V
230V
VOLTAGE SELECTOR
FUSE RATING
0.3A/250V(115V)
0.15A/250V(230V)
~115/230V,50/60Hz 23W
SAMSON
TAPE OUT
(600Ω +4dΒ)
L
R
MPL1 502
Contact:
Samson Technologies Corp., P.O. Box 9031, Syosset, NY 11791-9031 • Phone: (516) 364-2244 • Fax: (516) 364-3888 • www.samsontech.com
ARCHITECT’S & ENGINEER’S
SPECIFICATION
The mixer shall be 15 in/2 out and shall incorporate 5 mono-
phonic microphone/line input channels and 5 stereo line input
channels. Microphone inputs shall be on balanced XLR connectors;
monophonic line inputs shall be on balanced 1/4″ tip-ring-sleeve
phone connectors; and stereo line inputs shall be on 1/4″ phone
connectors. An independent stereo line-level tape input (routed to
channels 14 and 15) shall be on phono connectors. Each channel
shall have a trim control, 2 auxiliary sends, 3-band equalization, a
peak LED (5 dB before clipping) and a gain control. In addition,
monophonic channels shall have a stereo panpot; stereo channels
shall have a left/right balance control.
The mixer shall provide main outputs on balanced 1/4″ tip-
ring-sleeve phone connectors and a headphone output on 1/4″ tipring-sleeve phone connectors, as well as aux sends on 1/4″ phone
connectors and line-level tape outs on phono connectors. Two
stereo Aux returns shall be provided on 1/4″ phone connectors,
and each shall have independent level and balance controls. Five
channel inserts for the connection of outboard signal processors
shall be on 1/4″Tip-Ring-Sleeve phone connectors. Phantom power
of +48 V shall be provided for operation of condenser microphones. Indicators shall be provided for power and +48 V. The
unit shall be of a tabletop type with optional rack-mount ears.
The mixer shall have E.I.N. of -128 dBu (mic) and -131 dBu
(line), THD less than 0.03% and frequency response of ±1.5 dB from
17 Hz to 30 kHz. Dimensions shall be 13.8 ″ (350 mm) wide (19″
wide with optional rack ears), 10.4″ (264 mm) deep (6 rack
spaces) and 3.2" (82 mm) high. Weight shall be 7.7 lb. (3.5 kg).
The mixer shall carry a one-year warranty.
The mixer shall be a SAMSON MPL 1502.
Specifications subject to change without notice. © 1998 SAMSON
MPL 1502 SPECIFICATIONS
CHANNEL SECTION
Mic E.I.N. (D.I.N. audio), A filter, 150 Ω source: -128 dBu
Line E.I.N. (D.I.N. audio), A filter, input shorted: -131 dBu
Trim gain range: 0 dB to +54 dB
Input level:
Ch. 1 - Ch. 5 mic input: -50 dBu to +4 dBu
(2 kΩ, balanced XLR)
Ch. 1 - Ch. 5 line input: -40 dBu to +14 dBu (10 kΩ,
balanced stereo phone jack)
Ch. 6 - Ch. 15 line input: -40 dBu to +14 dBu (10 kΩ,
unbalanced phone jack)
Aux return 1 - 2: +4 dBu (47 kΩ, unbalanced phone jack
Max. input:
Ch. 1 - Ch. 5 mic input: +17 dBu
Ch. 1 - Ch. 15 line input: +27 dBu
Channel fader range: +15 dB to -80 dB
Aux send gain range: +10 dB to -75 dB
Standard output level:
Main out: +4 dBu (balanced, 600 Ω loaded)
Aux out: +4 dBu (unbalanced, 2.2 kΩ loaded)
Headphones: +4 dBu (unbalanced, 2.2 kΩ loaded)
Maximum output:
Main out: +26 dBu (balanced, 600 Ω loaded)
Aux out: +22 dBu (unbalanced, 2.2 kΩ loaded)
Tape out: +22 dBu (unbalanced, 600 Ω loaded)
EQUALIZATION
10 kHz High (shelving): ±15 dB
2.5 kHz (peaking): ±12 dB
80 Hz Low (shelving): ±15 dB
GENERAL
Frequency response (0 dBu = .775 V RMS): 17 Hz to 30 kHz (±1.5 dB)
THD+N, unity gain, 20 Hz to 20 kHz: < 0.03%
Max. gain (mic in to main mix out): 84 dB
Ch-to-ch crosstalk (1 kHz): -80 dB
Stereo channel L/R crosstalk (1 kHz): -65 dB
Dimensions: 13.8″ (w) x 10.4″ (d) x 3.2″ (h)
350 mm (w) x 264 mm (d) x 82 mm (h)
Weight: 7.7 lb. / 3.5 kg
+48V
CH1 - CH5
CH6 - CH13
LINE
TAPE IN
CH 14 / CH 15
LINE
AUX 1
RETURN
MIC
2
3
1
LINE
L / MONO
R
L
R
L / MONO
R
L / MONO
R
H.A.
H.A.
H.A.
B.A.
B.A.
H.A.
H.A.
RETURN
TRIM
AUX 2
3 BAND EQ
3 BAND EQ
3 BAND EQ
TAPE IN SW
(SAME AS AUX RETURN 1)
3 BAND EQ
3 BAND EQ
CH GAIN
B.A.
LED DRIVER
B.A.
CH GAIN
B.A.
LED DRIVER
PAK LED
FADER
B.A.
CH GAIN
B.A.
LED DRIVER
B.A.
B.A.
A
A
M
U
U
A
X
X
I
1
2
N
L
AUX 1
AUX 2
L OUT
PAN
R OUT
L OUT
BALANCE
R OUT
AUX 1
AUX 2
L OUT
BALANCE
R OUT
AUX 1
AUX 2
L OUT
R OUT
M
A
I
N
R
SUM
SUM
B.A.
MASTER VR
B.A.
B.A.
H / P LEVEL
B.A.
POWER SUPPLY
+15V
-15V
+48V
PHANTOM
POWER
SUM
SUM
S.A.
S.A.
AUX SEND 1
AUX SEND 2
MAIN L
MAIL R
H/P OUT
SELECT SW
AC115V / 230V