Warm Audio WA73 Manual
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3NOW LET’S GET STARTED!The Warm Audio WA73 is one of the highest quality microphone preamplifiers on the market in itsprice range. It uses custom made components similarly found in preamplifiers with much higher pricetags. Home-based musicians and professional studios alike will find the WA73 to be an extremelypowerful, versatile and fully professional piece of gear that is capable of warming and shaping bothinput signals and mixes in a way that is very pleasing to the ear.The information contained in this manual is written to help you get quickly started withusing your WA73.TECHNICAL SPECS1. +48V SwitchThe 48 volts feature provides power for condenser mics and any other devices requiring continuousphantom power through the XLR input. This power is supplied at a constant level to prevent anydegradation of audio quality. The adjacent LED lights when phantom power is active.2. Polarity SwitchThis feature inverts the polarity of the signal. Use the polarity switch when recording with morethan one open microphone to combat phase cancellation between microphones.3. Tone SwitchThe control switches the input transformer configuration from a 1:2 (step up) turns ratio to a steeper 1:4(step up) turns ratio, drawing out a greater degree of coloration and impact from the input transformer.When engaged, the input impedance of the WA73 is 300 ohms. When disengaged, the input imped-ance of the WA73 is 1200 ohms. This feature will make a noticeable tone change to most microphones.The 1200 ohms impedance setting is recommended for condenser and dynamic microphones, and300 ohms is recommended for dynamic and ribbons. This switch is labeled “Tone” for a reason; mostlisteners will find the unswitched setting to be more open and natural, with the engaged setting to bemore punchy, aggressive, or thick. We strongly suggest you experiment with both settings on all sourcesto find the best possible tone for your recordings. As with all things, let your ear be the final judge onwhich setting to use for any given situation.4. Line Input SwitchThis feature engages the TRS line input on the back of the WA73 and disconnects the XLR microphoneinputs.1 2 34 5 6 7 8 9 10 11 |
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