Alto_A1000.4_Power_Amp_Service_Manual.pdf

(1217 KB) Pobierz
MODEL:
A1000.4
www.altoproaudio.com
Version 1.0
CONTENT
1. Introduction.............................................................................................1
2. Specification............................................................................................2
3. Block Diagram.........................................................................................3
4. Schematic Diagram.................................................................................4
5. Wiring Diagram......................................................................................12
6. Printed
Circuit Board..........................................................................13
7.
Exploded View & Mechanical Parts List..................................................15
8.
Electrical Parts List.............................................................................18
1. Introduction
£»
£»
£»
£»
£»
£»
£»
£»
£»
£»
1.5U for channel high power amplifier.
Fantastic audio quality even with extremely high volume levels.
Solid and durable, can be mounted into a cabinet.
User-controllable clip limiter.
4×480Watts on 4 ohms (EIAJ)
Balanced XLR inputs and 1/4”TRS jack to ensure noiseless long wiring.
Neutrik Speak-on connectors for output.
Front panel LED indicators for signal, limit and clip.
Accurate gain control.
Independent thermal overload protection on each channel automatically
protects amplifier and speakers.
£»
Single channel over-heat protection.
- 1 -
2. Specification
MODEL
8 ohms per channel(EIAJ)
4 ohms per channel(EIAJ)
4 ohms per channel(RMS)
Input Sensitivity @4 ohms
Controls
Indicators (per channel)
A1000.4 DRAGONFLY
260W
480W
245W (at THD 1%)
+3dBu
FRONT: Power switch, LEVEL knobs
REAR: Four LIMITER Switches for channel 1- channel 4
Power-On: Green LED
Clip: Red LED
Limit: Yellow LED
Signal: Green LED
Connectors of each channel
Power Supply
Dimension
Net Weight
Input: COMBO connector
Output: Neutrik Speak-on connector
190-240 Vac~50Hz / 95-120Vac~60Hz
314mm*440mm*66.6mm
20Hz 20KHz@0.1%THD, Stereo Mode
6.8Kg
- 2 -
1
2
3
4
3. Block Diagram
D
D
A1000.4
BLOCK DIAGRAM
D300W
AMP
PM8PWR
POWER SUPPLY
D300W
AMP
AC-FILTER
D300W
AMP
PM8PWR
POWER SUPPLY
D300W
AMP
CH1
C
C
-3-
2
3
CH2
PRE-AMP
B
CH3
B
CH4
A
A
1
4

Plik z chomika:

Inne pliki z tego folderu:

Inne foldery tego chomika:

Zgłoś jeśli naruszono regulamin