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Summary of Contents for Hagerman Audio Labs iRIAA2
- Page 1 Inverse Filter Made in USA...
- Page 2 Inverse Filter Copyrights & Trademarks © Copyright Hagerman Audio Labs 1999, 2014. All rights reserved. No part of this document may be photocopied, reproduced, or translated to another language without the prior written consent. Disclaimer The information contained in this document is subject to change without notice.
- Page 3 Inverse Filter Description The inverse RIAA Filter is an accurate reference for testing modern phonostages. It provides the inverse transfer function of the RIAA response and level shifting so that a line level signal is converted into exactly what a phonostage input expects.
- Page 4 Inverse Filter Tabular Values Frequency Frequency Frequency 10.00 -19.74 223.9 -7.43 5012 8.18 11.22 -19.70 251.2 -6.64 5623 9.04 12.59 -19.64 281.8 -5.88 6310 9.92 14.13 -19.58 316.2 -5.15 7079 10.81 15.85 -19.50 354.8 -4.46 7943 11.72 17.78 -19.40 398.1...
- Page 5 Inverse Filter Installation Connect the iRIAA2 filter between your line level source and the inputs to your phonostage. Break-In For break-in of phonostages, connect a line level signal source (CD player or FryKleaner) directly to the inputs. The –40dB outputs will mimic a stereo moving magnet cartridge and the –60dB outputs a moving coil cartridge.
- Page 6 Inverse Filter Schematic...
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