Description
Warm Audio WA-412 4-Channel Microphone Preamp is a 4-channel microphone preamp based on a classic American console preamp design, with a fully discrete, transformer-coupled, through-hole topology. Each channel has custom-wound Altran USA transformers, a socketed X520 op-amp, 65 dB of gain and switchable +48V phantom power.
Specifications
| SKU | HL00323648 |
|---|---|
| Model | WA-412 |
| Type | 4-channel microphone preamp |
| Design | Based on a classic American console preamp design known for its punchy, bold sonics |
| Topology | Fully discrete, transformer-coupled, through-hole component topology |
| Transformers | Custom-wound, premium Altran USA input and output transformers on each channel |
| Op-amp | Discrete X520 socketed op-amp on every channel; may be user-swapped with most 6-pin, discrete op-amps |
| Gain | 65 dB |
| Pad | 20 dB (pads both mic and instrument inputs) |
| Inputs | Microphone (XLR), active instrument direct-injection (1/4”) |
| Outputs | Transformer-balanced XLR and TRS |
| Tone button | Switches input impedance from 600 ohms to 150 ohms; changes tone of both mic and DI inputs |
| Phantom power | +48 volts, switchable per channel |
| Metering | LED metering per channel |
| Output trim | Output trim knob per channel for exacting level control and sound sculpting |
| Power | Internal power supply (grounded, 3-pin IEC power cable) |
Common questions
How many channels does the Warm Audio WA-412 have?
The Warm Audio WA-412 has four channels, each with its own Altran USA input and output transformers, X520 op-amp, LED metering and output trim.
Does the Warm Audio WA-412 have phantom power?
Yes. The Warm Audio WA-412 has +48 volt phantom power, switchable per channel.
How much gain does the Warm Audio WA-412 have?
The Warm Audio WA-412 has 65 dB of gain and a 20 dB pad that works on both the mic and instrument inputs.
Can I swap the op-amps in the Warm Audio WA-412?
Yes. The discrete X520 op-amp on each Warm Audio WA-412 channel is socketed and may be swapped with most 6-pin, discrete op-amps.
What does the Tone button on the Warm Audio WA-412 do?
The Tone button on the Warm Audio WA-412 switches the input impedance from 600 ohms to 150 ohms, changing the tone of both the mic and DI inputs.
What inputs and outputs does the Warm Audio WA-412 have?
The Warm Audio WA-412 has XLR mic and 1/4” active instrument DI inputs and transformer-balanced XLR and TRS outputs on each channel.
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