Symetrix SX202 Owner'S Manual Download Page 1

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Owner’s Manual

Symetrix

SX202

Dual Mic Preamp

Symetrix Inc.

14926 35th Avenue West

Lynnwood, Washington 98037

Voice: (425) 787-3222, (800) 288-8855

Fax:

(425) 787-3211

Subject to change without notice.

Batteries not included.

This manual will not play in reverse.

Revision: 2.1, 8/8/97

Part Number: 530102

Summary of Contents for SX202

Page 1: ...venue West Lynnwood Washington 98037 Voice 425 787 3222 800 288 8855 Fax 425 787 3211 Copyright 1988 1994 Symetrix Inc All rights reserved Subject to change without notice Batteries not included This...

Page 2: ...ithin Word for Windows Body text is set in Bookman 10pt and Section Heads are set in various sizes of Helvetica Bold Helvetica Narrow was used for Figure and Table captions This manual was printed dir...

Page 3: ...2 3 Polarity Switch 3 2 4 Powering for Condenser Microphones 3 3 Connections Controls and Switches 6 3 1 Block Diagram 6 3 2 Rear Panel Connectors 7 3 3 Front Panel Controls and Switches 8 4 Troubles...

Page 4: ...ii This page is mostly blank...

Page 5: ...ormance affordable In place of older preamp designs the SX202 offers substantial sonic improvements with its solid stereo imaging less than 10o phase shift at 20kHz excellent transient handling its po...

Page 6: ...high as 14dBV can be handled by the SX202 The front panel clip LEDs fire at 10dBV output The SX202 s gain controls set how much the signals are actually amplified by the preamp circuitry On the SX202...

Page 7: ...signal source polarity is maintained to the output s In the 180o in position the wiring from the Channel 1 XLR connector Pins 2 and 3 is reversed This allows for correction of mis wired cables and fo...

Page 8: ...was common practice to ground the center tap of the mic s output transformer This is a NO NO in phantom powered systems The solution locate the center tap and cut the connection between it and pin 1...

Page 9: ...ecially important for ribbon mics like the RCA 77DX and 44BX Worry about your dynamic or ribbon microphones as long as they are wired so that the output is balanced and floating Turn the phantom power...

Page 10: ...15dB PAD PEAK DETECT DETECT PEAK POLARITY REVERSE PAD 15dB INPUT 2 MICROPHONE INPUT 1 MICROPHONE ALL SWITCHES SHOWN IN OUT POSITION 48V IN OUT PRESS IN OUT GAIN CLIP BALANCED UNBALANCED OUTPUT 2 BALA...

Page 11: ...nput With polarity switch in Normal position pin 1 ground pin 2 high pin 3 low Maximum input level 1 dBV or 14 dBV pad in _______________________________________________________ CAUTION Do not use any...

Page 12: ...al by 15 dB CLIP Red LED lights when any individual preamp output is within 4 dB of clipping GAIN Sets the gain of the preamplifier from a minimum of 20 dB to a maximum of 60 dB PHANTOM POWER Turns on...

Page 13: ...e is the phantom power switch and LED on Is the GAIN control set too low for the signal Are your cables OK Are the output plugs fully inserted into the jacks Distortion or Clipping at the Output If ei...

Page 14: ...ut Signal to Noise Ratio 97dB 50dBV input 4dBV output peak clip to noise floor 22kHz bandwidth EIN 127dBV 150 source 22kHz bandwidth balanced output Maximum Gain 66dB balanced input to balanced output...

Page 15: ...t duplicate your problem 4 Put the RA number on the outside of the box 5 Ship the unit to Symetrix freight prepaid Just do those five things and repairs made in warranty will cost you only the one wa...

Page 16: ...DISCLAIMS ANY IMPLIED WARRANTIES INCLUDING FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY SYMETRIX INC S WARRANTY OBLIGATION AND BUYER S REMEDIES HEREUNDER ARE SOLELY AND EXCLUSIVELY AS STATED HE...