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Demeter HBP-1J H Series Tube Bass

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User Manual for Demeter HBP-1J H Series Tube Bass Preamplifier with Jensen Transformer

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Demeter HBP-1J H Series Tube Bass Preamplifier with Jensen Transformer Contents of the user manual for the Demeter HBP-1J H Series Tube Bass
  • Product category: Bass Amplifiers Demeter
  • Brand: Demeter
  • Description and content of package
  • Technical information and basic settings
  • Frequently asked questions – FAQ
  • Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
  • Authorized service for Demeter Bass Amplifiers

User manual for the Demeter HBP-1J H Series Tube Bass contain basic instructions that need to be followed during installation and operation. Before starting your appliance, the user manual should be read through carefully. Follow all the safety instructions and warnings, and be guided by the given recommendations. User manual is an integral part of any Demeter product, and if it is sold or transferred, they should be handed over jointly with the product. Following the instructions for use is an essential prerequisite for protecting health and property during use, as well as recognition of liability on the part of the manufacturer for possible defects should you make a warranty claim. Download an official Demeter user manual in which you will find instructions on how to install, use, maintain and service your product.

And do not forget – unsuitable use of a Demeter product will considerably shorten its lifespan!



Product description

The HBP-1J with Jensen Transformer 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-1J H Series Tube Bass Preamplifier with Jensen Transformer
  • Limited 1-Year Warranty
  • Table of Contents




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    Technical parameters

    Demeter HBP-1J Specs

    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)
    Package Weight 12.0 lb
    Box Dimensions (LxWxH) 21.6 x 15.9 x 7.3"

    Rating

    90% users recommend this product to others. And what about you?
    Rating: 4.5 of 5

    This product has already been rated by 56 owners. Add your rating and experience with the product.

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