Octave HP 500 SE Pre Amplifier

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Stock code: oct500


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    Phono MM/MC
    HT-Bypass

    Our Price: £7,250.00
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    Product Information

    the Orchestral

    Our perennial preamplifier, the HP 500, has been around for almost as long as OCTAVE and was in many ways responsible for defining our approach to building amplifiers. For over 20 years, this preamplifier has been the epitome for consistent excellence in sound quality and state-of-the-art tube technology.During this time, it has maintained its market-leading position thanks to regular design updates from OCTAVE.

    OCTAVE recently developed the SE (Special Edition) version to mark the 25th anniversary of Stereoplay magazine, which first tested the original HP 500 in 1989. The SE brings the HP 500 preamp back to the current state-of-the-art once more. The use of two Siemens D3A (EF 184) pentodes provides the output stage of the HP 500 SE with a significantly greater bandwidth (0.2 Hz to 2.3 MHz, 6 dB).

    The extremely low cut-off frequency is responsible for the clearer and more tightly defined bass, which provides the foundation for a clean low frequency register and a thrilling midrange performance. OCTAVE has also further refined the outboard power supply. MOSFET transistors regulate the high-voltage supply. Increased reservoir capacity, improved rectification with Schottky diodes, and end-to-end electronic stabilization all ensure a virtually noise-free supply voltage with a noise component of less than 300 µV. These measures contribute to the exceptionally high signal-to-noise ratio of 103dB.

    Technical Data

    Gain High17,5 dB = 7,5
    Gain Low9,5 dB = 3
    Frequency Response3 Hz - 500 kHz 1,5 dB
    Total Harmonic Distortion0.001% @ 3V / 7.5 kOhm
    Signal-to-Noise Ratio : Gain High- 92 dB
    Signal-to-Noise Ratio Gain Low-103 dB
    Left/Right Crosstalk65 dB 1 kHz
    Input to Input Crosstalk- 86 dB 10 kHz
    Input Impedance100 kOhm
    Output Impedance100 Ohm (Cinch); 2 x 50 Ohm XLR
    Channel Balance0.5 dB - 70 dB

    Phono-MM
    Input Impedance47 kOhm || 130 pF
    Input Sensitivity3 mV
    RIAA-Equalization Accuracy0,3 dB 15 Hz - 20 kHz
    Gain40 dB 1 kHz
    Signal-to-Noise Ratio (weighted)- 73 dB
    Corner Frequency Subsonic-Filter20 Hz / - 3 dB

    Phono-MC
    Input Impedance37-500 Ohm
    Input Sensitivity0,1 mV
    Gain30 dB
    Signal-to-Noise Ratio (weighted)- 75 dB
    ConnectionsInputs : 5 x Cinch, 2 x Phono Option (MM/MC)
    Outputs : 2 x Cinch, 1 x XLR, 1 x Rec

    Features
    HT Bypass Option, Sym. Outputs, Phono MM/MC Option
    Power Consumption50 W
    Weight Preamp10 kg
    Weight Power Supply4 kg
    Dimensions Power Supply18 x 10 x 28 cm (W x H x D)
    Standard AccessoriesPower cord, IR-Remote Control

    Manufacturer site

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