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T20RPmk3 / T40RPmk3 / T50RPmk3 Owner’s Manual

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Thank you for purchasing the Fostex product. We hope you will read through this manual so that 
you can correctly use it.

Outstanding features:

1.  The T-RP series headphones feature a “RP Diaphragm” employing copper foil etched poly 

imide film to provide resistance to high level input peaks of up to 3000mW and a neodymium 
magnet for excellent transient characteristics.

2.    The T-RP series are designed for studio applications. It can be widely used from a personal 

studio to professional work shops.

3.   A detachable type headphone cord is connected to the left side housing making it difficult to 

tangle and easy to use and replace.

4.   Low rebound high-grade ear pads are used for increased comfort during extended use.

5.   As you wish to choose depending on the intended use, we offer 3 models with different 

shielding properties, i.e. open type (T20RPmk3), closed type (T40RPmk3) and semi-open 
type (T50RPmk3).

·  Method of installing the head-

phone cord

 

Insert the plug point into the 
headphone jack as shown in 
the figure. Then, rotate the plug 
by 90 degrees in direction of 
arrow to lock it firmly.

Connecting diagram

BODY

CABLE

SLEEVE

RING

TIP

Model No.

Type

Freq. response

Impedance

Sensitivity

Maximum input

Weight

Cord length

T20RPmk3

Open RP Dynamic

15 Hz ~ 35 kHz

ȍ

92 dB/mW

3,000 mW

315 g (Excl. Cord)

ĭîP

ĭîP

T40RPmk3

Close RP Dynamic

20 Hz ~ 35 kHz

ȍ

91 dB/mW

3,000 mW

315 g (Excl. Cord)

ĭîP

ĭîP

T50RPmk3

Semi-open RP Dynamic

15 Hz ~ 35 kHz

ȍ

92 dB/mW

3,000 mW

315 g (Excl. Cord)

ĭîP

ĭîP

Design and specifications are subject to change without notice.

Avoid an extended use at high volume levels as your hearing may be permanently impaired. You 
are advised never to use headphones in such situations as driving vehicle and cycling as your 
ability to react to emergencies will be considerably reduced.

Specifications

FOSTEX COMPANY

1-1-109, Tsutsujigaoka, Akishima City, T

RN\R-DSDQ

PRINTED IN CHINA   

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*      On rare occasions, noise may occur when the headphone plug is connected and turned 90 degrees 

to lock it. Unless noise is heard with the plug in the locked position, it is not a problem. However, 
if noise or uneven reproduction volume occurs, there is a possibility that the headphone plug has 
become dirty. In such a case, wipe the plug with a dry cloth.

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