Turbo-x DA-4060 User manual

1 / 11
INSTALLATION AND OPERATION MANUAL
DIGITAL CLASS-D
4 CHANNEL AMPLIFIER
DA-4060
DA-4120
DA-4240
DA-4350
DA-4500

Important Safety Information
2 / 11
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with dry cloth.
7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce
heat.
9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other.
A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong is provided for your safety. If the
provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit
from the apparatus.
11. Only use attachments/accessories specified by the manufacturer.
12. Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used,
use caution when moving the cart/apparatus combination to avoid injury from tip-over.
13. Unplug this apparatus during lightning storms or when unused for long periods of time.
14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as
power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed
to rain or moisture, does not operate normally, or has been dropped.
15. This appliance shall not be exposed to dripping or splashing water and that no object filled with liquid such as vases shall be placed on
the apparatus.
16. Plug this apparatus to the proper wall outlet and make the plug to be disconnected readily operable.
17. Main plug is used as disconnected device and it should remain readily operable during intended use. In order to disconnect the
apparatus from the mains completely, the mains plug should be disconnected from the mains socket outlet completely.
18. WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture.
19. An appliance with a protective earth terminal should be connected to a mains outlet with a protective earth connection.

3 / 11
Safety Warning
WARNING!
TO PREVENT FIRE OR SHOCK HAZARD, DO NOT USE THE PLUG WITH
AN EXTENSION CORD, RECEPTACLE OR OTHER OUTLET UNLESS THE BLADES
CAN BE FULLY INSERTED TO PREVENT BLADE EXPOSURE.
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE
THIS APPLIANCE TO RAIN OR MOISTURE.
TO PREVENT ELECTRICAL SHOC
K, MATCH WIDE BLADE PLUG TO WIDE SLOT, FULLY INSERT.

4 / 11
Contents
Front Page ------------------------------------------------------------------------------------------------------------------------------------------1
Important Safety Information---------------------------------------------------------------------------------------------------------------- 2
Safety Warning ---------------------------------------------------------------------------------------------------------------------------------- 3
Contents ------------------------------------------------------------------------------------------------------------------------------------ 4
Introduction -------------------------------------------------------------------------------------------------------------------------------------5
Front Panel ------------------------------------------------------------------------------------------------------------------------------------- 6
Rear Panel ---------------------------------------------------------------------------------------------------------------------------------- 7
Speaker Connection --------------------------------------------------------------------------------------------------------------------------- 8
Block Diagram ----------------------------------------------------------------------------------------------------------------------------------- 9
Specification ----------------------------------------------------------------------------------------------------------------------------------- 10
Service and Warranty -------------------------------------------------------------------------------------------------------------------- 11

5 / 11
Introduction
Features:
⚫Switching power technology digital power amplifier
⚫Class-D PA power amplifier of minimum power consumption
⚫Less rack space and less heat generation
⚫Four channel power amplifier into 19” rack mount unit
⚫Rated power output at 120W, 240W, 350W to 500W by four channels
⚫Four channel separate speaker outputs 8-16Ω/100V
⚫Balanced XLR input by phoenix connector for four channels
⚫Each input with separate gain control.
⚫Each four channel with high-cut filter.
⚫Built-in auto standby feature to save power consumption
⚫Separate four channel indicators for protection, clip, input and output
⚫Complete short circuit, overload, high temp, clip and DC protection
⚫Wide AC input from 110V to 230V
Description:
The DA range digital class-D power amplifier is of switching power
technology, which features of minimum power consumption and
much higher efficiency up to 85%, moreover it helps to save
installation rack space, generate less heat so as to extend its
performance life span as a result.
The digital class-D amplifiers are of rated power output at 120W,
240W, 350W & 500W by four channels, so it could be used as four
zone multiple sources public address system at minimum cost. The
versatile loudspeaker outputs of both high impedance 100V & low
impedance 4ohms enable it meet both PA fixed installation and Hi-fi
stereo sound installation jobs.
There are four balanced inputs by phoenix connector for each
channel with gain control. Four separate zone speaker outputs both
by 100V & 4-16ohms. The built-in four channel separate high-pass
filters could be enabled or disabled through the dip switch
pre-setting.
Automatic standby enable after no detection of signal input for one
minute, immediately wake up at sight of any input. Visual working
status indicators include protection, clip, input and output for easy
supervision. With complete short circuit, overload, high temp, clip
and DC protection.
Wide AC power supply from 115V to 230V, thus it support
worldwide sound system installation.

6 / 11
Front Panel
1. PROT
Protection indicator will light on in orange once the amplifier comes into protection status. The protection maybe resulted from speaker
line short circuit, speaker line open circuit, amplifier overload and inner working temperature over 55℃, this indicator give visually
guidance ask for repair and It will light off once these failures been repaired. There are four separate protection indicators for each four
channels.
2. CLIP
Clip indicator will light on in red once the input or output is too high. There are four separate CLIP indicators for each four channels.
3. INPUT
Input indicator will light on in green once there is any input signal has been detected. There are four separate input indicators for each
four channels.
4. OUPUT
Output indicator will light on in green once there is output signal has been passed. There are four separate output indicators for each four
channels.
5. POWER
Power indicator will be light on in blue once the unit has been powered whether by AC or DC.
6. POWER SWITCH
Power switch used to power on and power off the equipment.

7 / 11
Rear Panel
1. AC POWER CORD
AC power cord for input from 110V to 230V, the power cord itself is auto-switching.
2. 100V SPEAKER OUTPUT
The speaker outputs shall be connected to 100V line loudspeakers, the negative end to the speaker negative end and the positive end
to the speaker positive end. There are four channel separate 100V speaker outputs which could be managed respectively. These speaker
output are supplied in phoenix connector.
Never mixed the negative end and the positive one, which may cause the short circuit protection.
Never connection the low impedance loudspeaker to these 100V ends, which may burn up the speaker or have heavy distortion.
3. LINE INPUT
The line input support both balanced or unbalanced input, these input are supplied in phoenix connectors. There are four channel
separate line inputs which could be managed respectively.
4. 8Ω SPEAKER OUTPUT
The speaker outputs shall be connected to low impedance 8Ω loudspeakers, the negative end to the speaker negative end and the
positive end to the speaker positive end. There are four channel separate 8Ω speaker outputs which could be managed respectively.
These speaker output are supplied in phoenix connector.
Never mixed the negative end and the positive one, which may cause the short circuit protection.
Never connection the 100V line loudspeaker to these 4Ω ends, which may burn up the speaker or have heavy distortion.
5. GAIN CONTROL
The gain control is used to adjustment the input sensitivity from various inputs so as to have the best response.
6. HIGH PASS FILTER
The high pass filter function will be enabled or disabled by pre-set the four channel separate dipswitch. There are four channel separate
high pass filters which could be managed respectively.
7. AUTO-STANDBY
The Auto standby function will be enabled or disabled by pre-set the four channel separate dipswitch. The enabled auto-standby function
will automatically power come into standby once no input has been detected within 2 minutes. The amplifier will immediately wake up
once there is detection of input signal. There are four channel separate auto-standby dipswitch which could be managed respectively.

8 / 11
Speaker Connection
Before connecting speakers, disconnect the AC power cable. Note the proper connecting terminals as shown below. Make sure that the total
impedance is not less than the rated impedance indicated.
-Connecting 8-16Ω Speaker Systems
When connecting conventional 4-16Ω speaker systems, connect the speaker’s positive (+) side to the terminal labeled 4-16Ω. Connect the
speaker’s negative (-) side to the terminal labeled COM.
-Connecting High-Voltage Distributed Speaker Systems
When connecting a low-impedance (100V) speaker system in parallel, connect the speaker’s positive (+) side to the terminal labeled 100V.
Connect the speaker’s negative (-) side to the terminal labeled COM.
FOR 4Ω LOW IMPEDANCE SPEAKER CONNECTION FOR 8Ω LOW IMPEDANCE SPEAKER CONNECTION
FOR 100V SPEAKER WITH TRANSFORMER CONNECTION WRONG SPEAKER CONNECTION

9 / 11
Block Diagram

Specifications
10 / 11
Model
DA-4060
DA-4120
DA-4240
DA-4350
DA-4500
Description
Class-D Four Channel Power Amplifier
Rated Power Output
4x60W
4x120W
4x240W
4x350W
4x500W
Speaker Output
8Ω & 100V
Frequency Response
L/H Cut OFF 20Hz-20KHz (+1/-2dB)
L/H Cut ON 80Hz-20KHz (+1/-3dB)
Input
0.775V, 0dBu, balanced phoenix connector by four channels
Input Impedance
10KΩ
THD
<0.1% (1KHz/-3dBv, 100W)
S/N Ratio
>80dB
Crosstalk
>60dB, 1kHz, Max output
Power Consumption
300W
600W
1200W
1750W
2250W
Power Supply
Wide AC input from 110V & 230V, 50-60Hz
Dimension
482(W)x420(D)x44(H) mm
Weight
6,5 -kg
7 kg
7,5 kg
8 kg
8,5 kg
Warranty
2 years warranty