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Summary of Contents for Warm Audio WA73
- Page 1 WA73 SINGLE CHANNEL BRITISH MICROPHONE PREAMPLIFIER...
- Page 2 We don’t cut corners when it comes to what goes into our products, and the WA73 is no exception. The WA73 uses the highest quality custom input and output transformers made by Carnhill Transformers UK.
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Page 3: Non-Warranty Service
Warm Audio will, at its sole discretion, repair or replace this product in a timely manner. This limited warranty extends only to products determined to be defective and does not cover incidental costs such as equipment rental, loss of revenue, etc. -
Page 4: Technical Specs
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, and 300 ohms is recommended for dynamic and ribbons. - Page 5 This feature engages the Instrument input on the front of the WA73 and disconnects the XLR microphone inputs. 7. TRS Instrument Input You can connect a variety of instruments via the instrument input on the front panel of the WA73 including: acoustic and electric guitars, bass guitar, keyboards, synths and drum machines. 8. Red Input Knob This is a 22 position gain switch that adjusts gain for Line / Mic / Hi-Z level sources.
- Page 6 1. IEC AC POWER INLET Connect the accompanying power cord to power the unit. 2. 250v Fuse Always use the correct fuse rating, as indicated beside the fuse holder. Warm Audio provides an extra fuse located inside the IEC inlet. 3. Ground Lift Switch Eliminates unwanted hum and buzz by interrupting the ground loops between equipment, preventing current flow along the cable shield between two devices.
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Page 7: Hookup Diagrams
WA73 WA-2A Recording interface In this example, a microphone is feeding into a WA73, which feeds in to the WA-2A via a balanced XLR patch cable, which feeds in the LINE LEVEL input of your recording interface/recorder. Note: it is important to use a line level input on your recording device as opposed to a... - Page 8 WA73 as an “analog plug-in” or insert for mix-down. The recording device is feeding the WA73 with a balanced ¼” cable via a line output. Then, the recording device is capturing the WA73 via a LINE LEVEL input.
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Page 9: Specifications
SPECIFICATIONS • Single Channel, Class A, ‘73-style British Microphone Preamp • UK made Carnhill Transformers • Hand wired, hand assembled • 80dB of gain - resistor stepped gain switch • Fully discrete • TONE button - Changes input transformer impedance for varying tone •... - Page 10 RECALL SHEETS...
- Page 11 RECALL SHEETS...
- Page 12 RECALL SHEETS...
- Page 13 © 2018 Warm Audio LLC. Liberty Hill, Texas USA | www.warmaudio.com...
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