AKG Acoustics PT 81, PR 81, HT 81 manual Part VI Appendix, Specifications

Page 16

PART VI - APPENDIX VI

2 Specifications

 

 

HT 81

PT 81

 

PR 81

Carrier frequency range

 

710 to 860.9 MHz

 

710 to 860.9 MHz

 

 

710 to 860.9 MHz

 

Modulation

 

FM

 

FM

 

 

FM

 

Audio bandwidth

 

50 to 20,000 Hz

 

50 to 20,000 Hz

 

 

50 to 20,000 Hz

 

Frequency stability (-10°C to

 

 

 

 

 

 

 

 

+50°C)

 

±10 ppm

±10 ppm

 

±10 ppm

Rated deviation

 

30 kHz

 

30 kHz

 

 

-

 

T.H.D. at 1 kHz

 

<0.5%

 

<0.5%

 

 

<0.8%

 

Compander

 

Yes

 

Yes

 

 

Yes

 

Signal/noise ratio

 

typ. 50 dB(A)

 

typ. 50 dB(A)

 

 

>108 dB(A)

 

RF output

 

10 mW

 

10 mW

 

 

-

 

Current consumption

 

150 mA typ.

 

180 mA typ.

 

 

-

 

Power requirement

 

2 x 1.5 V AA size

 

2 x 1.5 V AA size

 

 

2 x 1.5 V AA size

 

 

 

batteries

batteries

 

batteries

Battery life

 

>12 hours

 

>10 hours

 

 

>6 hours

 

Audio input level for rated

 

 

 

 

 

 

 

 

deviation

 

350 mV/1 kHz

1400 mV/1 kHz

-

 

Input impedance

 

220 kΩ

 

220 kΩ //320 pF

 

 

-

 

Condenser mic power supply

 

-

 

6 V/6.8 kΩ (pin 3)

 

 

-

 

Audio outputs

 

-

 

-

 

 

Unbal. LINE (pin 2):

 

 

 

 

 

 

 

 

-6 dBm (600 Ω )

Headphone output:

 

 

 

 

 

 

Pin 3: 30 mW typ.

 

 

 

 

 

 

 

 

(16 to 100 Ω )

Size (WxDxH)

 

length: 240 mm (9.4 in.)

 

92 x 65 x 20 mm

 

 

92 x 65 x 20 mm

 

 

 

dia.: 36 mm (1.4 in.)

(3.6 x 2.6 x 0.8 in.)

 

(3.6 x 2.6 x 0.8 in.)

Net weight

 

245 g (8.7 oz.)

 

76 g (2.7 oz.)

 

 

80 g (2.8 oz.)

 

 

 

 

 

 

 

 

 

 

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Contents PR 81 HT 81 PT Table of Contents Safety and Environment Part I GeneralDescription FCC StatementPR 81 receiver with accessories HT 81 handheld transmitter PR 81 receiver with accessories PT 81 bodypack transmitterUnpacking PR 81 receiverII Part II PR 81 Receiver Controls 1a Power I/O on/off switch3 PT 81 CB 40 bag Color Coding Kit Setting Up Part II PR 81 ReceiverII Part II PR 81 Receiver Using the Belt Clip MountingReceiver on a Camera Audio ConnectionII Part II PR 81 Receiver Prior to selecting frequencies, switch the transmitter OFF Part III HT 81 Handheld TransmitterControls InterchangeableIII Part III HT 81 Handheld Transmitter Part IV PT 81 Bodypack Transmitter MicrophonesIV Part IV PT 81 Bodypack Transmitter Adjusting the Transmitter and ReceiverPart V Operating Notes Cleaning Multichannel SystemsProblem Possible Cause Remedy TroubleshootingVI Part VI Appendix Specifications Part VI AppendixSet UK69B UKSpot Set US58 Set EU59 858.200MHz860.400MHz 734.600MHz 777.800MHz 860.900MHz 735.200MHz 778.400MHzPage 3k/3l

HT 81, PT 81, PR 81 specifications

AKG Acoustics has long been recognized as a leader in the field of professional audio equipment, and their HT 81, PR 81, and PT 81 microphones exemplify the brand's commitment to quality, innovation, and user-centric design. These microphones are particularly suited for applications in live sound, broadcast, and studio recording, making them versatile tools for audio professionals.

The AKG HT 81 handheld transmitter microphone is designed for wireless performance. It features a dynamic capsule that delivers a clear and natural sound, a significant advantage for vocal performances. The microphone is engineered to minimize handling noise and feedback, ensuring that the audio remains pristine even in challenging environments. Its robust build quality can withstand the rigors of touring and live shows, making it a reliable choice for entertainers on stage.

Complementing the HT 81, the PR 81 is a professional receiver that supports a wide frequency range, allowing for clear audio transmission without interference. This receiver is equipped with advanced diversity reception technology, which helps mitigate dropouts and ensures consistent audio quality, even in crowded RF environments. The PR 81 offers a range of connectivity options, enabling easy integration into existing audio systems, whether in venues or broadcasting setups.

The PT 81 bodypack transmitter is another integral component of this series, designed for use with lavalier or headset microphones. It features a lightweight and ergonomic design, ensuring comfort for performers during extended use. The PT 81 is equipped with a high-quality analog audio input, allowing for seamless connection to a variety of microphones. Its long battery life is a significant advantage, providing reliable operation for long events or sessions.

All three devices utilize AKG’s advanced wireless technology, which incorporates digital signal processing for enhanced audio quality and reduced noise interference. The system also offers multiple channels, allowing for the simultaneous use of multiple microphones without conflict. With quick and easy setup, users can spend more time focusing on performance rather than troubleshooting audio issues.

Overall, the AKG HT 81, PR 81, and PT 81 represent a powerful trio of wireless audio solutions. Their combination of durability, sound quality, and user-friendly features makes them an excellent choice for any professional looking to elevate their audio experience. Whether for stage, studio, or broadcast applications, these microphones stand out as reliable tools that deliver outstanding performance.
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