Demeter HBP-1 H Series Tube Bass Preamplifier

Demeter HBP-1 H Series Tube Bass Preamplifier

Demeter HBP-1 H Series Tube Bass Preamplifier

B&H # DEHBP1 MFR # HBP-1
Demeter HBP-1 H Series Tube Bass Preamplifier

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Important Notice: This item is non-cancelable and non-returnable
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Expected availability: 7-10 business days 
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Product Highlights

  • Active/Passive Inputs
  • Balanced XLR & TRS Outputs
  • Unbalanced TRS Output
  • Tuner Output
  • FX Loop with Send/Return Level Controls
  • Made in the USA
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  • 1Description
The HBP-1 from Demeter is a hand-wired preamp specifically designed for bass guitar that provides both tube and solid-state tones. It features a high voltage (250V) tube front end with preamp gain and passive tone controls, a two-band solid-state parametric equalizer tuned for bass, and an active effects loop with send and return level controls. In addition, there is a balanced XLR output switchable for a mic or line level signal to connect to a mixer/recording console or a power amp with an XLR input, as well as both balanced and unbalanced 1/4" TRS line level outputs for connection to an amplifier. A dedicated tuner output and a mute switch allow you to tune up silently.
Balanced and Unbalanced Outputs
A fully balanced XLR line output is provided to feed the audio signal from your bass to an external mixing console
Active and Passive Inputs
Separate inputs are provided to connect active and passive instruments
Tube Front End
The HBP-1 uses a 12AX7a tube on the front end for gain and passive tone controls
Adjustable Effects Loop
External effects can be connected through the active effects loop. Send and return level controls are provided on the front panel
In the Box
Demeter HBP-1 H Series Tube Bass Preamplifier
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description
    Inputs 1/4" Active Instrument x1
    1/4" Passive Instrument x1
    1/4" FX Return x1
    IEC Power Cable x1
    Outputs 1/4" Tuner x1
    1/4" FX Send x1
    1/4" Unbalanced Line Out x1
    XLR Balanced Line Out x1
    Controls Front Panel:
    Volume Control x1
    Treble Control x1
    Middle Control x1
    Bass Control x1
    Presence Control x1
    EQ In/Out Switch x1
    EQ Low Frequency dB Level Control x1
    EQ Low Frequency Hz Control x1
    EQ Low Frequency Width Control x1
    EQ Mid Frequency dB Level Control x1
    EQ Mid Frequency Hz Control x1
    EQ Mid Frequency Width Control x1
    FX Loop In/Out Switch x1
    FX Send Level Control x1
    FX Return Level Control x1
    Mute On/Off Switch x1
    Power On/Off Switch x1

    Rear Panel:
    Line Level/Mic Level Switch x1
    Ground Lift Switch
    Voltage Selector Switch
    Input Impedance 1 MOhm
    Minimum Load Impedance 600 ohms
    Maximum Output +24 dBV @ 600 ohms + 28 dB
    Gain Adjustable to +10 dB Mid 440 Hz to 4 kHz
    EQ Gain: +/-15 dB
    Signal to Noise Ratio -80 dB
    THD 0.5%
    Frequency Response 10 Hz to 40 kHz
    Tube 12AX7a x1
    Parametric Equalizer Q or width continuously variable
    Low 40 to 440 Hz
    Mid 440 Hz to 4.4 kHz
    Operating Voltage 115 V / 230 V AC switchable
    Filament 12.6 V fully regulated
    Power Supply 250 V fully regulated
    Dimensions (WxDxH) 19 x 10.5 x 1.8" (482.6 x 266.7 x 45.7 mm)
    Packaging Info
    Package Weight 8.4 lb
    Box Dimensions (LxWxH) 20.0 x 11.7 x 3.2"

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