Product Description
The Warm Audio WA273 is a dual-channel British-style microphone preamp that pays tribute to the iconic '73-style preamps. For decades, this style of preamp has set the tone for pop and rock records. It's no wonder it's still the 'Holy Grail' for many engineers. The WA273 from Warm Audio's 'WA73 Family' combines classic design and high performance. After years of research, reverse-engineering, and auditioning, we've created a sonically accurate reproduction. Key features include dual-channel, class A operation, UK-made Carnhill transformers, hand-wired and assembled construction, 80dB of gain with a resistor-stepped switch, fully discrete circuitry, a tone button to change input transformer impedance, a polarity switch, and 48V phantom power. Technical specs cover a 4-position inductor-based hipass filter (50, 80, 160, 300 Hz), various input and output options, a 20Hz - 20kHz frequency response, 19' rackmountability, and an internal IEC 115V/230V power inlet.
Using the Warm Audio WA273 is straightforward. First, connect your microphone to the XLR mic input. You can also use the line level TRS input or direct in, instrument input for other sources. The gain can be adjusted using the resistor-stepped gain switch, giving you up to 80dB of gain. The tone button lets you change the input transformer impedance for different tones. You can also use the polarity switch if needed. The 48V phantom power can be enabled to power your condenser microphones. When using the 4 - position inductor - based hipass filter, choose the appropriate frequency (50, 80, 160, 300 Hz) to cut out unwanted low - frequency noise. For maintenance, keep the preamp in a clean and dry environment. Since it's hand - wired and assembled, handle it with care. Avoid dropping or subjecting it to strong vibrations. When not in use, turn it off and unplug it from the power source. Also, make sure to use the correct voltage (115V/230V) as specified by the internal IEC power inlet.
