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Specs· VK-3i· VK-5SE· VK-30· VK-40· VK-50· VK-50SE Balanced Audio Technology is pleased to introduce the superlative new VK-40 solid-state balanced preamplifier. The VK-40 establishes a new benchmark in solid-state preamplifier performance by combining BAT's trademark high current Unistage® topology with a wonderfully flexible and easy to use customer interface. Balanced Audio Technology's proprietary electronic shunt volume control in the VK-40 retains the use of Vishay bulk metal-foil resistors in the signal path - while expanding its range to include 140 steps of 0.5dB. Flexible input assignment is available via an easy-to-read twelve character alphanumeric display. Full remote control of source selection, volume, balance, phase, and mono/stereo switching is now available via a sophisticated machined-case transmitter. Indeed, even differences in source signal levels can be compensated for, while preset balance or phase adjustments can be assigned to each source individually. Additional flexibility is offered in the form of an optional easy to install plug-in phono module that can handle both MM and MC phono cartridges. The VK-40's elegant design follows the Balanced Audio Technology purist approach of using zero negative feedback to achieve the desired goals of wide bandwidth and circuit linearity. No buffers, followers or op amps are used anywhere in the signal path. The VK-40 features a symmetrical N-channel Unistage® gain block that is biased at an extraordinary 250mA to provide the high-current operation that has become a hallmark of Balanced Audio Technology design. Dual-mono construction is combined with over 130,000µF of power supply capacitance to yield instantaneous response to the most demanding signal requirements. All of this capability is presented in a sleek new industrial design that complements the balanced execution within. |
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