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Warm Audio WA73 Microphone Preamp 1-channel Mic/Line/Instrument Preamp
The legendary 1073 wrote the book on characterful mic preamplification. This venerable circuit helped define the punchy sound of '70s rock — and countless recordings and live concerts ever since. Today, this coveted tone can be yours for a song, with the Warm Audio WA73 mic/line/instrument preamp. In both design and performance, the WA73 pays homage to the revered British console lineage that started it all.
Features:
- Handwired and hand-assembled, single-channel 1073-style preamplifier
- Fully discrete, Class A, transformer-balanced circuitry
- UK-made Carnhill Transformers
- 80dB of gain handles any type of microphone, including low-output ribbons
- Resistor-stepped rotary gain switch for easy recall
- Tone button changes input transformer impedance for mic optimization and tonal shaping
- Polarity switch
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Technical Specification
- Preamp Type: Class A Solid State
- Number of Channels: 1
- Phantom Power: Yes
- Polarity Switch: Yes
- EQ: Highpass 50Hz, 80Hz, 160Hz, 300Hz
- Analog Inputs: 1 x 1/4" (Hi-Z), 1 x XLR (mic), 1 x 1/4" (line)
- Analog Outputs: 1 x XLR, 1 x 1/4"
- Channel Inserts: Yes
- Rack Spaces: 1U
- Power Source: Standard IEC AC cable
- Width: 19"
- Warranty: 1 year
What Is In The Box
- Warm Audio WA73 Microphone Preamp 1-channel Mic/Line/Instrument Preamp
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Manufacture Description
Hand Wired & Hand Assembled
Classic '73-style preamps were often hand-wired and so is the WA73! Guru’s claim that a portion of the sought after classic British tone can be attributed to the hand-wired nature of the build. The WA73 is hand-wired and hand assembled, including the pcb components that are all populated by hand.
A Single Channel '73 For The Rest Of Us
If there’s one style of preamp that professional engineers would unanimously agree has defined the tone of pop/rock records for decades, it would most definitely be the venerable '73-style of mic pre. '73-style preamps have been massively used in recording and live applications for many years and are still considered to be the “Holy Grail” of preamp choices today. The Warm Audio “WA73 Family” consists of single and dual channel '73-style preamps (with & w/out EQ), that each pay careful homage to British audio history.
UK Custom Carnhill Transformers
Enthusiasts unequivocally get excited about the components used in classic '73-style British preamps. The signal transformers are a common topic of conversation. Vintage units used various versions of transformers throughout the years, but the most coveted were the earliest versions. These are regarded as the most desirable choice due to their fluid and forgiving nature. They saturate sweetly when pushed, and have been known to make engineers cry when they hear how beautiful their mixes sound through them!