On both platforms it requires 1GB of RAM, 100MB of space on your hard disk and a 1280×800 display. Mac users need at least OSX 10.7.5 and a 64-bit Intel Core 2 Duo processor. On PC you need at least Windows 7 SP1 (32-bit or 64-bit) and an Intel Core 2 Duo processor. Originally conceived for the ProChannel module in Sonar, then as a Rack Extension for Reason up to 2012 (RE-2A), the CA-2A T-Type Leveling Amplifier is now available for all other DAWs in VST and AU format. Let’s start by taking a look at what Cakewalk has to offer. So, now that we know the original a little better, let’s take on its virtual renditions. To avoid overdriving the transmitters, the R37 pre-emphasis setting applies a filter that reduces the low frequencies in the sidechain circuit of the input signal so the compressor is more sensitive to high frequencies. But the FM band generates a 17dB hump at 15 kHz. However, there’s a subtle detail on the back panel: an R37 pre-emphasis screw… Originally Teletronix designed this little gem for radio broadcast.
And finally, it also has a three-way switch to select whether the VU-meter displays the gain reduction or the output level (+4 or +10).
There’s a switch to choose between Compress (roughly a 4:1 ratio) and Limit (infinity ratio) mode.
The latter controls at the same time the compression ratio and the threshold level above which signals are processed. It has a Gain knob to adjust the output level (after the compression) and a Peak Reduction knob to adjust the processing. Despite the complexity that it conceals in its innards, the use of the LA-2A couldn’t be simpler.
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