Cleaning, Troubleshooting, Specifications

3 Setting UP

3.3Powering Up and 1. To power up, press the ON/OFF key.

Powering Down The three DC OUT OK LEDs will be lit.

	The power LEDs (if any) on the components connected to the PSU 4000 will light if the components
	are on.
	For details on operating WMS 4000 components, refer to the appropriate manuals.
	2. To power down, press ON/OFF again.
3.4 Fuse

	Make sure to replace the fuse integrated in the IEC receptacle with a fuse of the same
Warning!	type (2 A slow-blow only. Other types of fuses may cause malfunctioning or a risk of fire.

4 Cleaning

Important! 1. Disconnect the AC adapter from the power outlet.

2. Use a cloth moistened (not wet!) with water to clean the surfaces of the equipment.

Never use caustic or scouring cleaners or cleaning agents containing alcohol or solvents since these may damage the enamel or plastic parts.

5 Troubleshooting

Problem		Possible Cause		Remedy
	1.	PSU 4000 is not connected to power.	1.	Connect PSU 4000 to power.
	2.	PSU 4000 is OFF.	2.	Switch PSU 4000 ON.
None of the front panel LEDs is lit.	3.	Fuse on the distribution fuse board is	3.	Check fuse.
None of the front panel LEDs is lit.		blown.
	4.	Fuse on PSU 4000 is blown.	4.	Replace fuse with fuse of same type (2 A
				slow-blow).
	5.	PSU 4000 is defective.	5.	Disconnect all connecting cables from DC
				OUT jacks. If LEDs fail to illuminate, con-
				tact your nearest AKG Service Center.

Connected cmponent(s) fail(s) to function	1.	Connected component(s) is (are) off.	1.	Switch component(s) on.
Connected cmponent(s) fail(s) to function	2.	DC connector on connecting cable is not	2.	Disconnect connecting cable and plug
although associated OK LED(s)		plugged all the way in.		connector all the way into DC OUT jack.
is (are) lit.	3.	Connecting cable is defective.	3.	Replace connecting cable.
	4.	Incorrect voltage (component defective).	4.	Contact your nearest AKG Service Center.
	5.	Incorrect polarity (component defective).	5.	Contact your nearest AKG Service Center.

	1.	DC output is shorted.	1.	Eliminate the short.
	2.	DC output is overloaded.	2.	Check connected load:
				Total current consumption of all connected
				components msut not exceed 2.5 A
One of the FAIL LEDs is lit.				(DC OUT 1) or 2 A (DC OUT 2-3).
One of the FAIL LEDs is lit.	3.	Unit is overheated.	3.	Check ventilator, check connected load,
				place unit in a cooler location.
	4.	Connecting cable or connected	4.	Disconnect cable. If OK LED illuminated,
		component is defective.		replace connecting cable or have compo-
				nent checked by AKG Service.
	5.	Internal error.	5.	Contact your nearest AKG Service Center.

6 Specifications

6.1 Input	Input voltage	90 VAC to 264 VAC
	Frequency	47 to 63 Hz
6.2 Outputs
6.2 Outputs	Output voltage	3 outputs, 12 VDC each
	Max. output current	DC OUT 1: 2.5 A, DC OUT 2-3: 2 A
6.3 System
6.3 System	Weight:	1.3 kg (3.2 lbs.)
	Size	200 x 190 x 44 mm (7.8 x 7.5 x 1.7 in.)
6.4 Standards	This product conforms to the standards listed in the Declaration of Conformity. To order a free copy of
	the Declaration of Conformity, visit http://www.akg.com or contact sales@akg.com.

PSU 4000

PSU4000 specifications

The AKG Acoustics PSU4000 is a robust power supply unit designed for professional audio applications, providing reliable and consistent power for a variety of AKG microphones and wireless systems. Renowned for its engineering excellence, the PSU4000 is an essential component for audio professionals seeking durability and performance in their sound systems.

One of the primary features of the PSU4000 is its ability to deliver stable power to multiple devices. It offers a DC output voltage of both 12V and 48V, making it compatible with a wide range of microphones, including condenser models that require phantom power. This flexibility allows audio engineers to utilize various microphones without the need for multiple power supplies, streamlining setups in both studio and live environments.

The design of the PSU4000 emphasizes portability and convenience. Its compact form factor makes it easy to integrate into existing audio setups, whether on stage or in a studio. The unit is built with a rugged construction, making it resilient against the rigors of touring and frequent use. This durability ensures that audio professionals can depend on the PSU4000 even in demanding situations.

In addition to its power capabilities, the PSU4000 features advanced noise-reduction technology that minimizes interference and ensures crystal-clear audio quality. This is particularly important in professional settings where fidelity is paramount. By reducing unwanted noise, the PSU4000 allows for a cleaner sound, enhancing the overall listening experience.

Connecting to the PSU4000 is straightforward, thanks to its intuitive interface and clearly labeled inputs and outputs. This user-friendly design facilitates quick setup and allows audio engineers to focus on their craft without getting bogged down in technical complications.

Moreover, the PSU4000 is equipped with built-in protection features that safeguard against overvoltage and short circuits. This aspect of its design not only prolongs the life of connected equipment but also provides peace of mind to users, knowing that their gear is well-protected.

Overall, the AKG Acoustics PSU4000 stands out as a top-tier power supply solution for audio professionals. With its reliable power output, noise reduction capabilities, durable construction, and user-friendly design, it meets the demands of diverse audio environments, delivering exceptional performance that professionals can trust. Whether in the studio or on the road, the PSU4000 is a vital tool for achieving high-quality sound.

3 Setting UP

3.4 Fuse

4 Cleaning

5 Troubleshooting

Problem

Possible Cause

Remedy

although associated OK LED(s)

6 Specifications

6.4 Standards

PSU4000 specifications