Alto PS 5L, PS 5LA Schematic
MODEL: PS 5L/PS 5LA
www.altoproaudio.com
Version 1.0
CONTENT
1. Introduction.......................................................................................1
2. Specification.....................................................................................2
3. Block Diagram...................................................................................3
4. Schematic Diagram..........................................................................5
5. PCB Layout.........................................................................................10
6. Exploded View & Mechanical Parts List..................................14
7. BOM....................................................................................................18
1. Introduction
- 1 -
PS5LA
This cabinet is design for professional stage performance . The special handle
shows unique Italy style. With the accurate crossover point made the timbre
very clean. It adopt special horn in polypropylene reinforced. Matched with 15”
8O 150-300W woofer and 15-30W 8O tweeter made the acoustics of the
cabinet clean and the bass strong. All these characters made it very suitable
for any place.
● One input volume control
● One set of Ø 6.3 stereo MIC jack
● One set of balanced output outlet
● Clip LED indicates the input signal
● Overload and overheat protection functions
PS5L
This cabinet is design for professional stage performance . The special handle
shows unique Italy style. With the accurate crossover point made the timbre
very clean. It adopt special horn in polypropylene reinforced. With wide
directional angle 90°H ± 45°V ( 1kHz - 16kHz) and PS 5L AES 250Watt PEAK
500Watt .Matched with 15” 8O150-300W woofer and 15-30W 8O tweeter
made the acoustics of the cabinet clean and the bass strong. All these
characters made it very suitable for any place.
Technical Specification PS 5L ( 2-way)
y
2.Specification
- 2 -
Passive System type 2-Way Vented box
Continuos Power Handling) 250Watt AES Standard
Peak Power Rating 500Watt Peak
SPL 1W,1m 98dB SPL
MAX SPL 1mt 122dB SPL Calculated
Frequency Response 55Hz ~ 20kHz ± 10dB
Impedance 8 Ohm Nominal
Crossover Frequency 2200Hz at 12dB/Oct
Low-Frequency 15" /385mm -2.5" Voice Coil
High-Frequency 1" Compression- Driver 1" Voice Coil
Horn Coverage H -V 90°H ± 45°V ( 1kHz - 16kHz)
High Frequency Protection Electronic Dynamic Protection
Input Connectors Pin1+ ;Pin1Dimensions H: 660 mm (26") W: 396 mm (15.6") D: 415 mm(16.3")
Weight 43.65 lbs / 19.8 kg
Shipping Weight 51.37 lbs / 23.3kg
Volume 5.35 CFT
Technical Specification PS 5LA
Powered System Type Bi-Amp. With Analog Processor
LOW Output Power 150Watt RMS Bridge Class AB
HIGH Output Power 50Watt RMS Class AB
(Max SPL at 1W,1m) 121dB SPL Calculated
Frequency Response 50HZ/20KHZ +/-10dB
Impedance Low-High) Low 8 Ohm-High 8 Ohm
Crossover Frequency Complex EQ Processor
Protection Low-High Limiter/Compressor Plus PTC
LOW-Frequenc
Horn Coverage H -V 90° H* 45° V
Input Sensitivity Line +4dB/1.23V
Impedance 30kOhms Balanced -15kOhms Unbalanced
Connectors Input with Jack / Link with XLR
Plastic Reinforced Calinet Trapezoidal & Monitor Shape
Hardware Suspension Six Suspension Point
Amplifier Protections Soft Start- Short Circuit-DC voltage -Thermal Protection
External Control Volume-Clip -Ground Switch
Power Supply 230Volt/115Volt 50/60Hz
Dimensions (H*W*D) H: 660 mm (26") W: 396mm (15.6") D: 415mm (16.3")
Net Weight (Lbs/Kg) 49.82 lbs /22.6kg
Gross Weight (Lbs/Kg) 57.54 lbs /26.1 kg
ShippingVolume 5.35CFT
High-Frequen15"/385mm-2.5" Voice Coil 1" Compression Driver -1" Voice Coil
D
2.Block Diagram
PS5L
- 3 -
654321
C
B
A
BLOCK DIAGRAM
CROSSOVER CIRCUIT
B
2-
1+
1-
DRIVER SPEAKER
SPK2
2+
WOOFER SPEAKER
2-
B
SPK1
2+
1+
1-
INPUT
1 2 3 4 5 6
D
C
B
A
D
- 4 -
4321
C
B
A
HI SPEAKER
LOW SPEAKER+
BRIDGE OUT+
AMP
HI POWER
AMP
LOW POWER
HPF
PS 5LA BLOCK DIAGRAM
VOLUME
LPF
LOW SPEAKER-
BRIDGE OUT-
AMP
LOW POWER
PT-4LA
V+
V-
MIX AMP
SIGNAL INPUT
D
C
POWER SWITCH
AC INPUT
B
1 2 3 4
A
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- 5 -
4. Schematic Diagram
J4
B
10
CN-5PX2-F
A
C14
C
R9
10K
CLIP LED (RED)
2
VR1
1
B50K
3
D1
D
4321
10u/63V
33P
*2K2
R4
C11
10K
R5
1K
R8
*1K
C13
R6
-15V
R2
22u/25V
J2
CN-BAL-MALE
_
U1B
22nF
C4
C2
U1A
48
_
2
10K
C8
213
4
NJM2068LD
+
220nF
220nF
1
+
3
R1
22u/25V
C5
C3
NJM2068LD
+15V
10P
10K
C1
3c5e1a4d2b
J1
R3
100nF
100nF
C12
R7
10K
Z3
15V1W
15V1W
Z1
15V 1W
C6
0.1u
TO PL
5
2
820E 1W
C9
220u/25V
15K 0.5W
R13
-15V
GND
6
P
3
R11
SW PS-22E85L
SW PS-22E85L
1 2 3 4
R12
820E 1W
Z2
15V 1W
+15V
C15
C10
R10
C7
10E
220u/25V
0.1u
CN1
SW1B
SW1A
0.01uF/400V
1
2
4
1
47K
Z6
15V1W
Z4
Z5
15V1W
D
LINK
INPUT
C
B
A
D
- 6 -
87654321
C
B
A
U3
+Vc
LM3886
C10
100u/50V
C17
C25
C4
100u/50V
0.1uC60.1u
V+
1
NC
2
OUT
3
V-
4
V+
5
NC
6
GND
7
MUTE
8
-VIN
9
+VIN
10
NC
11
*220P
HI OUT+
-Vc
T3
0.01u
C21
R13
10E
RXE040
R8
C18
10P
27K
R9
150E
0.1u
56P
C11
JUMP
R10
R14
33K
R15
33K
C23
*220P
+Vc
C8
U1
LM3886
C24
100u/50V
C12
0.1uC50.1u
V+
NC
OUT
VV+
NC
GND
MUTE
-VIN
+VIN
NC
C1
100u/50V
1
2
3
4
5
6
7
8
9
10
11
-Vc
LOW BRIDGE+
T2
R1
10K
C13
10P
R2
560E
C19
10u/50V
C14
560P
R3
1k
R12
220K
R11
10K
+Vc
C9
U2
LM3886
R6
10K
D1
VTL5C4
R16
10K
100u/50V
C15
0.1uC20.1u
V+
NC
OUT
VV+
NC
GND
MUTE
-VIN
+VIN
NC
-Vc
C3
1
2
3
4
5
6
7
8
9
Z1
100u/50V
10
11
R7
-Vc
LOW BRIDGE-
T1
R4
10K
C16
10P
R5
560E
C20
BC327
220u/16V
10u/50V
R18
470K
R17
1K
C7
10K
8V2
Q1
+Vc
C27
T6
VacT8GNDT7Vac
6800u/50V
BU10-04
C28
0.1u/275V
-Vc
C26
6800u/50V
BR1
C22
0.1u
D
C
CN1
123456789
CN-5PX2-F
10
-Vc
+Vc
1 2 3 4 5 6 7 8
B
A
D
- 7 -
4321
C
B
A
DRIVER
(BLACK)+(BLUE)
_
Hi O/P
P3
+
WOOFER
_
HI
P4
P1
L1
(BROWN)
_
+
+
LOW
C1
6.8uF 100V/200V
1.55mH (BIG)
(BLACK)
_
P2
R3
DS2
15R/20W
DS1
C4
R1
PTC2
R2
RX040
I2V 2.1A
I2V 2.1A
1R5/20W
JUMP
JUMP
R4
39R/20W
L2 0.35mH
C2
3.3uF/100V
PTC1
JUMP
IN
+
D
_
1 2 3 4
C
B
A
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