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Features - Foreward

SM TB101/202 Main Features

Professional, multi-purpose pre-amplifier channel strip for studio applications
- High quality microphone/instrument pre-amplifier
- hand tested 12AX7 tubes used 
- Switchable Phantom Power per channel 
- Switchable Phase reversal per channel 
- High quality Optical Compressors 
- Independent EQ circuitry 
- Input gain control per channel 
- -20dB pad per channel 
- Master Volume control

FOREWORD

Dear Customer,

Thank you very much for expressing your confidence in SM ProAudio products by purchasing
this unit. The SM TB101/TB202 units have been designed to be used as a standard tool for
home/pro studios. With much experience in the audio industry over a long period of time, and
along with valuable suggestions from our customers, our engineers have developed a product we
know you will be satisfied with. We guarantee you uncompromising quality (manufactured under
ISO9000 certified management system) as well as excellent technical and audio properties at an
extremely affordable price. 

Regards,

SM ProAudio

Summary of Contents for TB101

Page 1: ...SM Pro Audio Operating Manual TB101 202 Version 1 0 Feb 2004 www SMProAudio com ...

Page 2: ...e Make sure your appliance is set to the correct voltage for the country in which it will be used Grounding and Polarization Precautions should be taken so that the grounding or polarization means of an appliance is not defeated Power Cord Protection Power supply cords should be routed so that they are not likely to be walked on pinched dam aged worn or rubbed by any other device or obstacle Clean...

Page 3: ...OREWORD Dear Customer Thank you very much for expressing your confidence in SM ProAudio products by purchasing this unit The SM TB101 TB202 units have been designed to be used as a standard tool for home pro studios With much experience in the audio industry over a long period of time and along with valuable suggestions from our customers our engineers have developed a product we know you will be ...

Page 4: ...mponents and design 2 2 Inputs and outputs 3 INSTALLATION 3 1 Rack mounting 3 2 Mains power 3 3 Audio connections 4 FRONT PANEL CONTROLS 4 1 Input stage 4 2 Compressor stage 4 3 EQ Stage 4 4 Output stage 5 REAR PANEL CONTROLS 6 APPLICATION 6 1 Using the SM TB101 202 7 SPECIFICATIONS 8 WARRANTY ...

Page 5: ...or the balanced input stage and the unavailability of Phantom power The TB101 202 comes to the rescue with either one or two channels TB101 or TB202 of bal anced input with a tube microphone preamplifier optical compression 3 band EQ Phantom power phase reverse switch and for output volume for each channel Both the TB101 or TB202 units can now solve many of the connectivity issues which are raised...

Page 6: ...Perfect for sitting on the desktop the TB101 is suitable for just about any installation The SM ProAudio SM 202 fits into one standard 19 rack unit of space 1 3 4 Be sure that there is enough air space around the unit for cooling As to avoid overheating please do not place the SM TB101 202 on high temperature devices such as power amplifiers 3 2 Mains Power The SM TB101 202 ship with a standard ex...

Page 7: ...ession ratio of 6 1 for example indicates that for every 6dB of level change on the input signal there is only 1dB of level change on the compressed signal The higher the compression ratio the smaller the dynamic range Fast slow attack switch LED Indicator This switch toggles the attack setting of the compressor between fast and slow attack times The indicator shows the status fast of the the atta...

Page 8: ...his controls the master output signal level 5 REAR PANEL CONTROLS Phantom power switch s You can enable or disable phantom power each channel of input This is required for condenser microphones without a battery or stand alone power supply Phase reversal switch A phase reverse switch is available for reversing the phase of the signal by 180 degrees This can be desired in situations such as recordi...

Page 9: ...table level This is a good time to check the clip indicator to ensure you are not overdriving the tube pre amp with too much signal If your signal is too strong reduce the amount with the rotary control If you cannot reduce the signal enough to stop the clip indicator constantly illuminating you can enable the 20dB PAD to assist in reducing the incoming signal gain Do you desire compression You ca...

Page 10: ...rvo operated Ratio minimum 1 5 to 1 Ratio maximum 10 to 1 Attack time 1mS 5mS Release time 500mS 1500mS EQ Shelving high and low frequency controls 8kHz 80Hz Mid frequency cut boost control 1 8kHz Cut boot level approx 16dB METERS LED 25dBu to 18dBu PERFORMANCE THD Unweighted 0 05 Signal to noise 90dB Power supply rejection 98dB POWER SUPPLY Transformer External Input 17v AC SM ProAudio is constan...

Page 11: ...o shall at its sole discretion either repair or replace the product 2 If the warranty claim proves to be justified the product will be returned freight prepaid by SM ProAudio within Australia Outside of Australia the product will be returned at the buyer s expense 3 Warranty claims other than those indicated above are expressly excluded 3 RETURN AUTHORIZATION NUMBER 1 To obtain warranty service th...

Page 12: ...s warranty in particular if caused by inappropriate use Likewise the warranty does not cover defects of expendable parts caused by normal wear of the product Expendable parts are typically pots potentiometers switches and similar components 4 Damages defects caused by the following conditions are not covered by this warranty Misuse neglect or failure to operate the unit in compliance with the inst...

Page 13: ...ARRANTY RIGHTS This warranty does not exclude or limit the buyer s statutory rights provided by national law in particular any such rights against the seller that arise from a legally effective purchase contract The information contained in this manual is subject to change without notice No part of this manual may be reproduced or transmitted in any form or by any means electronic or mechani cal i...

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