Williams Sound PFM 300 RCH Acoustic Specifications Ansi 2.44 Test, Ansi S3.22-1987 Test

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Hearing HelperPersonal FM System • Model PFM

Hearing HelperPersonal FM System • Model PFM 300 RCH

ADA

Acoustic Specifications:

ANSI 2.44 Test

FM Response (PFM R32)

Input:

80 dB random noise

 

 

Device:

KEMAR mannequin with BTK 3550 Tester

Y:

80.0 dB 80 db

Main Y:

34.1 dB

X:

100 Hz + 8 OCT LOG

Main X:

4 kHz

ANSI S3.22–1987 Test

FM Response (PFM R32)

Minimum Low Cut (Tone Set to Low)

 

Maximum Low Cut (Tone Set to Hi)

 

Max. SSPL90:

135.8 dB at 500 Hz

Max. SSPL90:

133.5 dB at 1000 Hz

HF Avg SSPL90:

127.1 dB

HF Avg SSPL90:

127.0 dB

HF Avg Full On Gain:

37.7 dB at 60 dB in

HF Avg Full On Gain:

35.4 dB at 60 dB in

Reference Test Gain:

38.1 dB

Reference Test Gain:

35.8 dB

Response Limit:

80.1 dB

Response Limit:

78.01 dB

 

F1=200 Hz, F2=8 kHz

 

F1=200 Hz, F2=8 kHz

Total Harmonic Dist:

3.6 % at 500 Hz

Total Harmonic Dist:

1.1 % at 500 Hz

 

3.9 % at 800 Hz

 

2.7 % at 800 Hz

 

2.2 % at 1600 Hz

 

2.1 % at 1600 Hz

Medium Low Cut (Tone Set to Mid)

 

 

 

300 RCH

Max. SSPL90:

HF Avg SSPL90:

HF Avg Full On Gain:

Reference Test Gain:

Response Limit:

Total Harmonic Dist:

135.5dB at 600 Hz

127.1dB

36.8dB at 60 dB in

37.3dB

79.4dB

F1=200 Hz, F2=8 kHz

3.4% at 500 Hz

3.4% at 800 Hz

2.2% at 1600 Hz

NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

©2006, Williams Sound Corp. MCAT 040B

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Contents T32 Front DescriptionPFM T32 FM Transmitter T32 TopR32R32FrontR32R32Back Model PFM 300 RCHPFM R32 FM Receiver R32 TopFM Response PFM R32 Acoustic Specifications Ansi 2.44 Test300 RCH Ansi S3.22-1987 TestCanada Bid SpecsContact United States

PFM 300 RCH specifications

The Williams Sound PFM 300 RCH is an innovative assistive listening device designed to enhance audio clarity and accessibility in various environments, such as theaters, classrooms, and places of worship. It serves as an essential tool for individuals with hearing challenges, allowing them to experience sound as it was intended.

One of the key features of the PFM 300 RCH is its compact and lightweight design, making it easy for users to carry and operate. The device comes equipped with a built-in rechargeable battery, which offers extended usage times and reduces the need for frequent battery changes. This sustainable approach aligns with the current trend of adopting eco-friendly technologies.

The PFM 300 RCH utilizes advanced digital signal processing technology, which ensures clear audio transmission and reduces background noise. This feature is particularly beneficial in settings with multiple sound sources, where clarity can often be compromised. By focusing on the desired sound source, the device enhances the listener's experience, making conversations and presentations more intelligible.

Another remarkable aspect of the PFM 300 RCH is its compatibility with a variety of audio sources. It can easily connect to a range of systems, such as televisions, sound systems, or public announcement systems, through various input options. This versatility allows users to tailor their listening experience to different environments, whether at home or in public venues.

The PFM 300 RCH also supports multiple audio channels, making it suitable for large group settings and events. This feature enables simultaneous transmission to multiple receivers, creating an inclusive atmosphere for all participants. Additionally, the device has a range of adjustable volume controls, allowing users to customize their audio experience according to their preferences.

In terms of design, the PFM 300 RCH features intuitive controls, making it user-friendly. The ergonomic design ensures comfortable handling, while the durable construction guarantees longevity and reliability even in demanding conditions. The device is also equipped with a belt clip, facilitating hands-free operation for on-the-go users.

In conclusion, the Williams Sound PFM 300 RCH is a versatile and advanced assistive listening device, catering to individuals with hearing difficulties. Its combination of compact design, advanced digital technology, and multiple compatibility options makes it a valuable tool for enhancing audio accessibility across diverse environments. Whether for personal use or in larger gatherings, the PFM 300 RCH ensures that everyone can enjoy a clear and engaging listening experience.