File:Technics RS-M270x -Rohm BA652.jpg
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Technics RS-M270x - ROHM BA652 dbx NR IC
Summary
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| Description |
English: Technics RS-M270x - ROHM BA651 dbx NR IC. The BA651+BA652 chipset, built to David Blackmer's specification, was the dbx noise reduction chipset. The BA652 was the core of the Blackmer logarithmic detector, and the BA651 was a bare-bone Blackmer VCA core. The dbx board built around these ICs was huge, with 8 opamps and dozens of transistors. Too expensive for mass market, it was soon replaced with the cheapo AN6291 IC. |
| Date | |
| Source | Own work |
| Author | Retired electrician |
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I, the copyright holder of this work, hereby publish it under the following license:
 
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This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. |
| The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:43, 12 January 2023 | | 492 × 351 (92 KB) | Retired electrician (talk | contribs) | Uploaded own work with UploadWizard |
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