Demeter HBP1-800D 800W Tube Bass Pre/Power Amp

Demeter HBP1-800D 800W Tube Bass Pre/Power Amp

Demeter HBP1-800D 800W Tube Bass Pre/Power Amp

B&H # DEHBP1800D MFR # HBP-1-800D
Demeter HBP1-800D 800W Tube Bass Pre/Power Amp

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Demeter HBP-1-800D overview

  • 1Description

The HBP1-800D 800W Tube Bass Pre/Power Amp from Demeter is a tube bass pre and power amp that delivers 800W of power into a 4 ohm load. It integrates an 800 Watt Class D amplifier into a HBP-1 Preamplifier circuit. This unit uses the same all tube front end found in the VTBP-201 Bass pre-amplifier and combines it with the H Series circuitry found in the professional audio H Series line.

Utilizing the best of both the tube and solid-state world, the HBP-1-800D features a high-voltage (250V) tube front end (providing all of the preamplifier gain and passive tone controls), a two-band solid state fully parametric equalizer that is tuned for bass, a fully adjustable active effects loop with controls up front, a tuner output and a balanced output with switchable mic or line level. It also features both a balanced TRS line level output and an unbalanced line level output for amplifier connections, and a mute switch.

In the Box
Demeter HBP1-800D 800W Tube Bass Pre/Power Amp
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Demeter HBP-1-800D specs

    Input Impedance > 1 MOhm
    Minimum Load Impedance 600 ohms
    Ouput Impedance 50 ohms, balanced (studio output)
    4 ohms, 8 ohms, 16 ohms (power amp)
    Maximum Output +24 dBV @ 600 ohms
    Output Power 800 watt RMS @ 4 ohms, 500 watt RMS @ 8 ohms (power amp)
    Gain Adjustable to +10 dB mid 440 Hz to 4 kHz
    EQ gain: + or - 15 dB
    Signal to Noise Ratio -80 dB
    THD .5%
    Frequency Response 10 Hz to 40 kHz
    Tube 1-12AX7a selected
    Parametric Equalizer Q or width continuously variable Low 40 Hz to 440 Hz Mid 440 Hz to 4.4 kHz
    Inputs 1/4" (passive and active)
    Outputs Preamp: 3-pin balanced mic/line, TT, XLR & 1/4"
    Power Amp: 1/4" Speaker & Speakon
    Chassis Single space rack
    Operating Voltage 115-230 VAC switchable
    Power Supply 250 V fully regulated
    Filament 12.6 V fully regulated

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