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18

Modular Studio Series Concept

Joe Martinson

Shawn Micheal

Toby Foster

Amplifier Design

Bud Wyatt

Joe Martinson

Transformer Design

Toby Foster

Joe Martinson

Bud Wyatt

Sonic Evaluations

Shawn Micheal

Bud Wyatt

Toby Foster

Signal Path Layout

Shawn Micheal

Joe Martinson

Schematics & PCB Designs

Joe Martinson

Power Supply Design

Dale Manquen

Joe Martinson

Graphic Conceptualization

Greg Thompson

Shawn Micheal

Joe Martinson

Graphic Design

Greg Thompson

Mechanical Design

Bill Stein

Shawn Micheal

Design Team

Summary of Contents for Martech Modular Studio Series

Page 1: ...MSS 10 Modular Studio Series Microphone Preamplifier...

Page 2: ......

Page 3: ...2 5 1151 W Valley Blvd Alhambra CA 91803 2493 800 582 3555 Phone 1 626 281 3555 Fax 1 626 284 3092 www martinsound com Owner Manual MSS 10 Natural Sound Microphone Preamplifier...

Page 4: ...Martinsound is not responsible for printing or clerical errors The Martech and Martinsound logos are Trademarks of Martinsound Inc Other company and product names mentioned herein are trademarks of th...

Page 5: ...To Ground Or Not To Ground Rear Panel Balanced Impedance Outputs Getting The Most out Of Your MSS 10 Block Diagram Operation Setting Voltage Changing the Fuse Technical Specifications Design Team A S...

Page 6: ......

Page 7: ...point d exclamation l int rieur d un triangle quilat ral est employ pour alerter l utilisateur de la pr sence d instructions impor tantes pour le fonctionnement et l entretien service dans le livret d...

Page 8: ...2...

Page 9: ...vate label capacitors in other key areas From all this research and technology came the desire to build the world s finest solid state microphone preamplifier Our desire was not to pick the best shade...

Page 10: ...e inverting amplifiers cannot begin to compare to excellent sounding chemically stabilized redun dant silver switch contacts 20dB Reduces the level to the first amplifier using a voltage divider that...

Page 11: ...nity gain providing indi cation on the VU of the line driver signal level without the influence of the level control The switch is out of the audio path when Cal is selected Mute Mutes the audio to th...

Page 12: ...the ground circuit inside the device Any current flowing through the resistance of the connecting ground trace causes minor voltage fluctuations This causes hum when amplified by high gain amplifiers...

Page 13: ...ormer Balanced In 2 5 kOhm Pin 2 Pin 3 Nominal Input 0 to 65dBu Mic Preamp Out Single ended Balanced Impedance Out 50 50 Ohm Pin 2 Pin 3 Nominal Output 4dBu Markings Power Entry Module Model Serial Ma...

Page 14: ...design at the final output stage What advantage is gained using a balanced output After careful examination the key benefit we found is the identical impedance on both output legs A transformerless b...

Page 15: ...much gain then set Mic Gain Cal Deselect to use the Line Out control Line Out Set and ride the line driver output level Mute Select to mute the line driver output This configuration gives the enginee...

Page 16: ...near the microphone keeps cable loss to a minimum for low level microphone signals This setup gives the engineer the ability to set the best gain and buffer the mic from a long cable run Final level i...

Page 17: ...best gain process ride the level mute and unmute the audio and meter the output level during the recording process Again this works well for all tracking and overdub situations where a single microph...

Page 18: ...5 30dB 5dB Steps Loss 0 20dB 5dB Steps Gain Unity Mic Preamp In 3 1 2 Line In Mic Preamp Out 20dB Gain Pad D2024 D2024 D2024 D2024 Gain 10dB Optional 1 1 ratio Standard 3 1 2 Line Out 3 5 2 1 1 2 0 7...

Page 19: ...la soudure en type en tenant compte la configuration de la fiche tre en char ger int rieurement si n cessaire par les techniciens qualifi s La pi ce pourrait situ pr s du microphone en le cadre d enr...

Page 20: ...Power Entry Module with a small screwdriver Position the Fuse Block with the metal clip on the left Remove the metal clip from the Fuse Block Selecting Voltage Changing The Fuse CAUTION ALWAYS USE AN...

Page 21: ...ight side of the Fuse Block CAUTION ALWAYS USE AN APPROPRIATELY RATED FUSE FOR THE VOLTAGE SELECTED PRENEZ PRUDENCE UTILISEZ UN FUSIBLE CORRECTEMENT CLASS POUR LE VOLTAGE S LECTIONN TOUJOURS 100 120VA...

Page 22: ...d must rest on the plastic bridge just behind the stops 2 Insert the Voltage Select Fuse Block into the Power Entry Module with the required voltage reading right side up Firmly close the back of the...

Page 23: ...ut Impedance 1 kHz 2450 Ohms Output Impedance 50 50 Ohms Maximum Input Level 1 kHz THD 0 003 22 5 dBu 20 dB Pad In Maximum Output Level 24 dBu Line Driver Line In Line Out Maximum Gain 10 dB Frequency...

Page 24: ...inson Bud Wyatt Sonic Evaluations Shawn Micheal Bud Wyatt Toby Foster Signal Path Layout Shawn Micheal Joe Martinson Schematics PCB Designs Joe Martinson Power Supply Design Dale Manquen Joe Martinson...

Page 25: ...t be great to hear a source with no equipment coloration at all This was a dream that Joe and Shawn shared for well over a decade Also working for Martinsound in R D was Toby Foster a gifted and respe...

Page 26: ...se to a piece of wire Up until this time it was felt that to build a preamplifier with euphonic characteristics was the ideal But after listen ing to all of the best preamplifiers it was decided to bu...

Page 27: ...Joe and Shawn brought in Greg Thompson a talented graphics artist to provide a unique packaging concept that would immediately be associated with the finest audio equipment built over the past fifty y...

Page 28: ...We Listen 2001 Martinsound Inc 2 5...

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