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Offered is „HP700 SE“ by Octave as second-hand device from the category „Tube-Preamp“ on audio-markt.de - the online market place for high-end. The advert with the number 8834679415 ends on 07.12.2026 at 12:19 o'clock.
The notable thing here is how unusually complete and adaptable the HP 700 SE is: a serious valve line stage with modular inputs, gain adjustment, balanced connectivity, and useful home-cinema bypass. At €7,900, it is a strong deal, sitting below the €8,016 25th-percentile comparable and well under the €8,133 median; it is also below the €8,249 upper quartile.
This is a worthwhile buy for someone wanting refined, spacious tube presentation without giving up system flexibility. The low output impedance, selectable gain, multiple RCA/XLR outputs, and optional tone-control and phono modules make it easy to integrate and keep useful as the system evolves. “Good” condition is reassuring at this price, though confirm exactly which modules, remote, separate power supply, and accessories are included, since configuration materially affects the appeal.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Octave Audio traces its roots to 1968, when Karl Heinz Hofmann established a transformer winding factory in Karlsbad, Germany. His son, Andreas Hofmann, joined in 1975, developing early semiconductor and tube amplifiers. In 2000, Andreas took the helm, rebranding it as Octave Audio to channel his decades-long passion for tube-based electronics into high-end hi-fi components.
The brand specializes in meticulously hand-built tube amplifiers, including preamplifiers, power amps, and integrated models like the V 16 Single-Ended and Jubilee series. Octave emphasizes premium features such as external power supplies, balanced connectivity, adjustable gain, and modular upgrades for phono stages and power conditioning. Their in-house transformer expertise ensures low-noise performance across full-range designs, from 8-watt single-ended units to 30-watt powerhouses.
Positioned firmly in the high-end market, Octave commands respect among audiophiles for its German craftsmanship, sonic purity, and innovative tube technology. Hand-assembled with top-tier components at their Karlsbad headquarters, these amplifiers deliver uncompromising musicality, appealing to discerning buyers seeking perfection over mass production.
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