background image

ENGLISH

ESP

AÑOL

IT

ALIANO

FRANÇAIS

DEUTSCHE

MTR231 

Multi-Pattern Studio Condenser Microphone

3

Introduction

Thank you for purchasing the Samson MTR231 multi-pattern studio condenser 
microphone. Samson has a long history of developing high-quality microphones for 
live and recording applications. The MTR series is our latest and most advanced 
line of microphones featuring stunning sound reproduction and innovative design. 

The MTR231 will quickly become your favorite tool in the studio, whether cap-
turing vocals, acoustic or electric instruments. The microphone features a dual 
1” gold sputtered diaphragm with three selectable polar patterns, providing an 
extended flat frequency response ensuring accurate, linear reproduction of your 
music. With its wide dynamic range and handling high sound pressure levels, 
the MTR231 excels at picking up everything from very soft, to loud thunderous 
sounds.

For additional isolation from unwanted noises, the microphone includes the 
MSM1 shockmount. The revolutionary new design also allows for the MPF1 pop 
filter to be mounted directly to the microphone making setup a breeze. A carry 
case is included for transportation and storage of the microphone. It is recom-
mended keep the microphone in the case when not being used. 

In these pages, you’ll find a detailed description of the features of the MTR231, 
as well as instructions for its setup and use, and full specifications. If your 
microphone was purchased in the United States, you’ll also find a warranty card 
enclosed—don’t forget to fill it out and mail it in so that you can receive online 
technical support and so that we can send you updated information about this 
and other Samson products in the future. Also, be sure to check out our website 
(www.samsontech.com) for complete information about our full product line.

We recommend you keep the following records for reference, as well as a copy of 
your sales receipt. 

Serial number: ________________________________________________

Date of purchase: ______________________________________________

Dealer name: __________________________________________________

With proper care and maintenance, your MTR231 will operate trouble-free for 
many years. Should your microphone ever require servicing, a Return Authoriza-
tion (RA) number must be obtained before shipping the microphone to Sam-
son. Without this number, the unit will not be accepted. Please call Samson at 
1-800-3SAMSON (1-800-372-6766) for an RA number prior to shipping your 
unit. Please retain the original packing materials and, if possible, return the unit 
in its original carton. If your MTR231 was purchased outside of the United States, 
contact your local distributor for warranty details and service information. 

Summary of Contents for MTR231

Page 1: ......

Page 2: ...used In these pages you ll find a detailed description of the features of the MTR231 as well as instructions for its setup and use and full specifications If your microphone was purchased in the Unit...

Page 3: ...r Dual 1 gold sputtered capsule Smooth and transparent sound reproduction Selectable pick up pattern Omnidirectional Cardioid Figure 8 48 volt phantom power operation 10dB attenuation pad Internal cap...

Page 4: ...an issue with the phantom power supply or the microphone cables When connecting the MTR231 to a mixer use a balanced cable and be sure that the input is balanced and connected to a channel that is se...

Page 5: ...election switch to the left position indicated by the circle icon Unidirectional cardioid The cardioid pickup pattern is the most widely used for studio and live miking applications It captures sound...

Page 6: ...ruments Before setting the attenuation pad switch to the 10dB position it is advisable to perform a sound check and to optimize the input signal levels using proper gain staging If distortion is appar...

Page 7: ...from the microphone the tone becomes more natural as the low frequency rolls off To achieve the fullest sound the vocalist should aim the microphone center line towards their mouth If some consonants...

Page 8: ...en lid For a more contemporary ensemble sound place two MTR231 microphones in the piano positioning one over the bass strings and one over the high strings at a distance of 6 12 inches apart When miki...

Page 9: ...sible together with a splayed angle of 90 135 The closer the angle between the microphones is to 90 the more narrow or mono the soundstage will appear Since cardioid pickup patterns tend not to reprod...

Page 10: ...nd connection Note Do not adjust the angle of the shockmount without loosening the thumb screw If you do this the shockmount may be damaged and you may void your warranty Install the MTR231 into the M...

Page 11: ...of the blasts of air from vocal ists when pronouncing words that include these hard consonant sounds The pop filter also helps to protect the microphone element from moisture The MTR231 features a un...

Page 12: ...1V Pa 2kHz Cardioid 37dB 3dB 0dB 1V Pa 1kHz Figure 8 33dB 3dB 0dB 1V Pa 1kHz Equivalent self noise 16dB Dynamic Range 118dB Signal to noise 78dB Output Impedance 50 30 at 1kHz Maximum SPL 132dB Poweri...

Page 13: ...20 20000 Hz 10000 5000 2000 1000 500 200 100 50 20 5 10 15 20 dB 25 45 45 90 90 135 135 180 0 5 10 15 20 dB 25 45 45 90 90 135 135 180 0 5 10 15 20 dB 25 45 45 90 90 135 135 180 0 Frequency Response F...

Reviews: