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About the HP100
The Hovland HP-100 is a high-end vacuum-tube preamplifier designed for audiophiles seeking exceptional sound quality and build craftsmanship. It features a line stage with two 12AX7 tubes and one 12AT7 tube, providing 14dB voltage gain and a frequency response of 10Hz to 25kHz with minimal deviation. The preamplifier includes an optional phono stage with two 12AX7s and one 12AU7 tube, supporting moving coil (MC) cartridges via an internal step-up transformer module. The volume control is a 31-position silver-contact stepped attenuator with 2dB steps, delivering precise and tactile control. The HP-100 offers multiple line inputs, tape monitor loop, and outputs, housed in a robust chassis with a distinctive black nickel-plated aluminum faceplate and blue backlighting. It weighs 27 lbs and measures 18.25" W x 5.25" H x 17.375" D. The unit is known for its natural, organic sound with excellent dynamic realism, quiet operation, and a slightly soft but engaging presentation that benefits from clean, balanced AC power. It was manufactured by Hovland Company in Los Angeles and originally
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