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TL Audio - PA-1 - 2-Channel Pentode Tube Preamp
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PA-1 - 2-Channel Pentode Tube Preamp
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The PA-1 Pentode Preamp is TL Audio's top of the range preamp - producing a stunning sound from any source - and offers a significant improvement over the vast majority of console preamps in any price range. The new PA-1 offers several improvements over its best selling forerunner, including a raven blue 6mm CNC milled aluminium front panel, General Electric US military specification ECC83/12AX7A valves, gold plated ceramic valve bases and circular back-lit VU meters which monitor output level. Internal circuitry has been refined too, to offer smoother frequency response around the valve stages and provide extra output gain - thus enabling easier interfacing with digital recorders.
All microphones - from an inexpensive dynamic to a top quality condenser - produce a fuller, more open and more vibrant sound when fed through the PA-1, and instruments fed through the dedicated front panel DI input take on an added weight and presence. Separate input and output level controls give the ability to drive the valve stages harder for increased warmth while being able to simultaneously control the overall output level. Switchable high and low pass filters, LED level indicators and a phase reverse facility are refinements that make the PA-1 a natural choice for any track laying or direct-to-tape recording situation.
The PA-1 differs from our standard hybrid preamp design - it features a transformer coupled mic input followed by a low noise, high gain EF86 pentode valve. Two further triode valve stages (supplied by 250v DC) are incorporated in each channel. The instrument input bypasses the transformer, and feeds straight into the pentode valve. TL Audio's usual high drive solid state output stage completes the signal chain.
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