Specifications | AKG Acoustics HT 40 PRO, PT 40 PRO, WMS 40 specs

7 Specifications

7.1 WMS 40 SINGLE/DUAL

Carrier frequency range Modulation

Audio bandwidth

Frequency stability (-10°C to +50°C)

Rated deviation

T.H.D. at 1 kHz

Compander

Signal/noise ratio

RF output

Current consumption

Power requirement

Battery life

Audio input level for rated deviation

Input impedance

Condenser mic power supply

Squelch threshold

Audio outputs

Size

Net weight

	HT 40 PRO	PT 40 PRO
	710 to 865 MHz	710 to 865 MHz
	FM	FM
	65 to 20,000 Hz	40 to 20,000 Hz
	±15 kHz	±15 kHz
	15 kHz	15 kHz
	typ. 0.8%	typ. 0.,8%
	Yes	Yes
	typ. 110 dB(A)	typ. 110 dB(A)
	10 mW	10 mW
	typ. 70 mA	typ. 75 mA

	1 x 1.5 V AA size battery	1 x 1.5 V AA size battery
	(LR 6 to IEC 86-L)	(LR 6 to IEC 86-L)
	typ. 30 hours	typ. 30 hours
	(for 2200 mAh)	(for 2200 mAh)
		25 to 750 mV/1 kHz,
-		adjustable
	-	1 Mohm
	-	4 V/4.7 kohms (pin 3)

	-	-
	-	-

	229 x 53 x 53 mm	60 x 74 x 30 mm
	(9 x 2.1 x 2.1 in.)	(2.4 x 2.9 x 1.2 in.)
	160 g (5.7 oz.)	60 g (2.1 oz.)

SR 40 SINGLE/DUAL

710 to 865 MHz

40 to 20,000 Hz

±15 kHz

15kHz

typ. 0.8%

Yes

typ. 110 dB(A)

SR 40 SINGLE:

typ. 95 mA

SR 40 DUAL: typ. 175 mA

120/230 VAC

50/60 Hz

-100 dBm

bal. 1/4" jack: adjustable

from mic to line level. Output level at rated deviation: 500 mV rms 200 x 190 x 44 mm (7.8 x 7.4 x 1.7 in.)

SR 40 SINGLE: 580 g

(1.3 lbs.)

SR 40 DUAL: 620 g

(1.4 lbs.)

7.2 CK 55 L, C 444 L

Type

Polar pattern

Frequency range

Sensitivity

Electrical impedance at 1 kHz

Supply voltage

Cable length

Connector

Finish

Size

Net weight

CK 55 L

Pre-polarized condenser

microphone

cardioid

80 Hz to 14 kHz

0.25mV/Pa (-72 dBV re 1 V/Pa) 1000 ohms

1.5to 10 V from AKG WMS bodypack transmitter

1.6m (5 ft. 4 in.)

3-pin mini XLR

matte black

8 dia. x 22 mm (0.3 x 0.9 in.)

3 g (0.1 oz.) (w/o cable)

C 444 L

Pre-polarized condenser

microphone

cardioid

20 Hz to 20 kHz

40 mV/Pa (-28 dBV re 1 V/Pa)

200 ohms, electronically

balanced

4 to 52 V from AKG WMS

bodypack transmitter

1.5m (5 ft.)

3-pin mini XLR

matte black

130 mm (5.1 in.) in dia.

30 g (1.1 oz.) (w/o connector)

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.

WMS 40 SINGLE/DUAL

WMS 40, HT 40 PRO, WMS 40 PRO, PT 40 PRO specifications

AKG Acoustics has long been recognized as a premier brand in the professional audio industry, particularly in the realm of wireless microphone systems. Among its celebrated offerings, the WMS 4000, WMS 400, and WMS 40 series stand out for their advanced technology and robust performance, catering to a range of applications from live performances to studio recordings.

Starting with the WMS 4000, this system is engineered for versatility and reliability. It features a sophisticated transmission diversity system that minimizes dropouts and ensures clear audio quality. The WMS 4000 offers an extensive frequency range, accommodating diverse environments and frequencies. A standout feature is its digital pilot tone, which automatically mutes the transmitter when it is switched off, effectively preventing unwanted noise during transitions. With a range of up to 300 meters, the WMS 4000 is ideal for large venues, allowing performers ample space to move without compromising sound quality.

Next, the WMS 400 series maintains the high standards set by its predecessor while providing a more accessible option for mid-level performers. It combines ease of use with quality audio performance, boasting a user-friendly interface that simplifies setup and operation. The WMS 400 employs an efficient frequency management system, which automatically scans the environment to select the best frequencies available, ensuring optimal performance with minimal interference. The system also features a rugged metal chassis, enhancing durability for live applications.

The WMS 40 series serves as an entry-level solution, perfect for beginners and small venues. It is lightweight and features a straightforward design, making it easy to operate for users without extensive technical knowledge. One of its most notable characteristics is its plug-and-play functionality, allowing for quick setup without complicated configurations. The WMS 40 series also offers excellent sound quality through its crystal-clear audio transmission and robust reception, making it a popular choice for schools, theaters, and small events.

All of these systems benefit from AKG's heritage in sound engineering, incorporating advanced audio processing technologies that ensure superior sound fidelity. They also come with a variety of microphone options, including handheld, lavalier, and headworn microphones, providing flexibility to meet different performance needs. Whether for a professional stage or an intimate setting, the AKG WMS series delivers outstanding performance, reliability, and user-friendly features that cater to a wide range of audio applications.

AKG Acoustics HT 40 PRO, PT 40 PRO, WMS 40 PRO manual Specifications

Models: WMS 40 HT 40 PRO WMS 40 PRO PT 40 PRO