IGS Audio ALTER 500 User Manual

Mono fet limiting amplifier

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ALTER 500
USER'S MANUAL
IGS Audio Igor Sobczyk
3 Maja 76d, 41-400 Mysłowice, Poland
e-mail: igs@o2.pl ph: +48 601 597 592
www.igsaudio.com

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Summary of Contents for IGS Audio ALTER 500

  • Page 1 ALTER 500 USER'S MANUAL IGS Audio Igor Sobczyk 3 Maja 76d, 41-400 Mysłowice, Poland e-mail: igs@o2.pl ph: +48 601 597 592 www.igsaudio.com...
  • Page 2 The information in this document is subject to change without notice. IGS Audio makes no warranty of any kind with respect to the material in this document and shall not be liable for errors contained herein or for incidental or consequential damages related to the use of the material.
  • Page 3 Please check for any signs of transit damage. If any signs of mishandling are found please notify the carrier and your dealer immediately. Your ALTER 500 packing should contain an ALTER 500 with IGS Audio tag (packed in ESD bag) and this manual with the Warranty and RoHS/CE/WEEE Declaration attached.
  • Page 4 IGS AUDIO ALTER 500 – mono FET Limiting Amplifier The ALTER 500 is a FET compressor built is the 500 standard. The FET-type solution was used for the first its application in the legendary UREI 1176 compressor from the 70s.
  • Page 5 INPUT GR BAR SLAM OUTPUT MODE ATTACK COMP IN/OUT RELEASE RATIO GR BAR Very fast LED indicator showing the compression level in the range from 0 to 20dB. INPUT Input level and compression depth OUTPUT Output level RATIO Allows to adjust the compressor ratio. From 1:1 (line amp), through 4:1 (compressor) to 20:1 (limiter).
  • Page 6 Getting started (for the beginners) 1. Connect the Alter 500 to your sound interface (one input and one output) with two symmetrical XLR wires, 2. Wait for about 1 minute to let the parameters stabilize, 3. Send your desired audio file to the selected output, 4.
  • Page 7 ALTER 500 main functions and technical specification: ✔ 500-series mono module ✔ All stepped manipulators ✔ Precise LED bar scale ✔ Carnhill output transformer ✔ 3 year warranty Operating Level +4dBu Maximum Input +20 dBu Maximum Output +22 dBu Max Gain Reduction...
  • Page 8 Warranty: This device is declared to be free from defects in material and workmanship for a period of three years. Any device found defective within three years from the delivery date and returned to the factory, will be repaired, adjusted, or replaced and sent to the customer with no charge.

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