Preamps

Best Bass Gear is proud to be able to offer you a wide array of onboard preamps for your EQ and tone shaping needs. We offer systems custom prewired in house and also wired by the manufacturer with a large selection of control configurations for almost any bass.We stock only the highest quality manufacturers including ACG, Aguilar, Bartolini, Glockenklang, John East, Mike Pope, Nordstrand, and Seymour Duncan.

  1. Aguilar OBP-3 2-Pickup 5-Knob 1-Switch 3-Band Vol - Bl - Mid - Treb - Bass - Mid Sw

    $196.00
    3-Band: 2-Pickup, 5-Knob, 1-Switch Vol - Bl - Treb - Mid - Bass - Mid Switch
    Control Configuration Volume Blend Treble Mid Bass Mid Switch Description The Aguilar OBP-3 was built from the ground up to be the ultimate source of full-bodied tone,...
  2. John East Uni-Pre 2-Pickup 5-Knob 3-Band Vol - Bl - Treb/Bass Stack - Mid/Mid Stack - Tone P/P A/P (Black Knobs)

    $340.00
    Uni-Pre 5 Knob Black 2 Pickup, 5-knob Volume Blend Treble/Bass Stack Midrange/Midrange Freq. Stack Passive Tone (Push/Pull for Active/Passive) The Uni-Pre 5 Knob...
  3. Prewire - Aguilar OBP-1 Preamp

    $169.00 - $189.00
    Custom pre-wired preamp
    The Aguilar OBP-1 is a boost only preamp able to be used in conjunction with active or passive pickups. No modification is required for use with Active pickups such as EMG®, Warwick® MEC and other active pickups as we build the pre-wires in...
  4. Seymour Duncan STC-2A 2-Band for Active Pickups

    $105.00
    2-Band: Treb/Bass
    Controls: Treble/Bass Stack High headroom, low-noise, 2-Band active onboard EQ preamp designed for use with active pickups. Comes with prewired 3-knob harness. Seymour Duncan Tone Circuits will add a tremendous amount...
  5. Seymour Duncan STC-2P 2-Band for Passive Pickups

    $105.00
    2-Band: Treb/Bass
    Controls: Treble/Bass Stack High headroom, low-noise, 2-Band active onboard EQ preamp designed for use with passive pickups. Comes with prewired 3-knob harness. Seymour Duncan Tone Circuits will add a tremendous amount...
  6. Seymour Duncan STC-2S-BO 2 Band EQ Separate

    $59.00
    2-Band: Treb/Bass
    Controls: Treble/Bass Separate Add versatility to your bass with our 2-band onboard active EQ with separate bass & treble controls, and switchable treble frequency. On board Tone Circuits add tremendous tonal versatility....
  7. Prewire - Aguilar OBP-2 Preamp

    $179.00 - $199.00
    Custom pre-wired preamp
    The OBP-2 was designed to give bassists fat tone while being small enought fit into tight control cavities. Wire this preamp with one 9 volt battery and it will fit into just about any instrument. With +/-18dB of bass boost and cut at 40Hz and +/-...
  8. Prewire - Aguilar OBP-3 Preamp

    $187.00 - $213.00
    Custom pre-wired preamp
    The Aguilar OBP-3 was built from the ground up to be the ultimate source of full-bodied tone, transparency, and versatility for your bass. Three bands of boost/cut and a selectable midrange frequency provides flexibility to dial in just the...
  9. Aguilar OBP-1 2-Band Preamp Module

    $119.00
    Aguilar OBP-1 Module Only
    The Aguilar OBP-1 is a boost only preamp able to be used in conjunction with active or passive pickups. No modification is required for use with Active pickups such as EMG®, Warwick® MEC and other active pickups as we build the pre-wires in...
  10. Aguilar OBP-2 2-Band Preamp Module

    $107.50
    Aguilar OBP-2 Module Only
    The OBP-2 was designed to give bassists fat tone while being small enought fit into tight control cavities. Wire this preamp with one 9 volt battery and it will fit into just about any instrument. With +/-18dB of bass boost and cut at 40Hz and +/-...
  11. Aguilar OBP-3 3-Band Preamp Module

    $106.50
    Aguilar OBP-3 Module Only
    The Aguilar OBP3 was built from the ground up to be the ultimate source of full-bodied tone, transparency, and versatility for your bass. Three bands of boost/cut and a selectable midrange frequency provides flexibility to dial in just the right...
  12. John East J Retro Preamps

    $299.00 - $325.00
    The J Retro 01 Bass Preamp is designed to fit directly into standard "Jazz" style basses without modification, including a 9v battery.
    Control Configuration Volume/Blend Stack Treble/Bass Stack Mid/Mid Stack Blend & Pickups Switch Active/Passive Switch Available in Black, Chrome, or Gold Finish Description ...
  13. John East MMSR 1-Pickup 4-Knob 3-Band Vol - Treb - Bass - Mid/Mid Stack

    $230.00 - $245.00
    The BTB-MMSR 4 Knob, including Mid Sweep, has been designed with characteristics very similar to the original MM Stingray 2 Band EQ, but is not an exact copy of the original circuit.
    Control Configuration Volume Treble Bass Mid Stack Available in Black, Chrome, or Gold Finish Description The BTB-MMSR 4 Knob, including Mid Sweep, has been designed with characteristics...
  14. John East BTB-01 1 or 2-Pickup 1-Knob 2-Band Treb/Bass Stack

    $150.00 - $160.00
    The BTB-01 is based on the middle stack of the J-Retro 01 bass preamp. It consists of a single dual concentric knob stack with controls for Bass, Treble, and Bright functions.
    Control Configuration Treble/Bass Stack Available in Black, Chrome, or Gold Finish Description The BTB-01 is based on the middle stack of the J-Retro 01 bass preamp. It consists of a single dual concentric...
  15. John East Mid Sweep 1 or 2-Pickup 1-Knob 1-Band Mid/Mid Stack

    $110.00 - $120.00
    The MID SWEEP 01 is a stand-alone mid control which can be used on its own or cascaded in conjunction with other modules, including additional MID SWEEP 01s.
    Control Configuration Mid/Mid Stack Available in Black, Chrome, or Gold Finish Description The Mid Sweep 01 is a stand-alone mid control which can be used on its own or cascaded in conjunction with other...
  16. John East MMSR 1-Pickup 3-Knob 2-Band Vol - Treb - Bass

    $175.00 - $185.00
    Control plate not included. The BTB-MMSR has been designed with characteristics very similar to the original MM Stingray 2 Band EQ, but is not a copy of the original circuit.
    Control Configuration Volume Treble Bass Available in Black, Chrome, or Gold Finish Description The BTB-MMSR has been designed with characteristics very similar to the original MM Stingray?...
  17. John East MMSR 1-Pickup 3-Knob 3-Band Vol - Treb/Bass Stack - Mid/Mid Stack

    $230.00 - $245.00
    Control plate not included The BTB-MMSR 3 Knob, including Mid Sweep, has been designed with characteristics very similar to the original MM Stingray 2 Band EQ, but is not a copy of the original circuit.
    Control Configuration Volume Treble/Bass Stack Mid/Mid Stack Available in Black, Chrome, or Gold Finish Description The BTB-MMSR 3 Knob, including Mid Sweep, has been designed with characteristics...
  18. John East J Retro Deluxe 2-Pickup 4-Knob 2-Switch 3-Band Vol/Bl Stack - Treb/Bass Stack - Mid/Mid Stack - Tone - Bl/Pickup Sw - A/P Sw

    $325.00 - $350.00
    Same as J Retro, but with an added fourth knob for passive tone control. This preamp is made for Fender Deluxe style basses with a side mounted jack.
    Control Configuration Volume/Blend Stack Treble/Bass Stack Mid/Mid Stack Passive Tone Blend & Pickups Switch Active/Passive Switch Available in Black, Chrome, or Gold Finish ...
  19. John East Uni-Pre 2-Pickup 4-Knob 3-Band Vol/Bl Stack - Treb/Bass Stack - Mid/Mid Stack - Tone P/P A/P

    $325.00 - $350.00
    3-band: 2-pickup, 4-knob Volume/Blend Stack - Treb/Bass Stack - Mid/Mid Freq Stack - Passive Tone (A/P Push-Pull)
    Uni-Pre 4 Knob 2 Pickup, 4-knob Volume/Blend Stack Treble/Bass Stack Midrange/Midrange Freq. Stack Passive Tone (Push/Pull for Active/Passive) The Uni-Pre 4 Knob is a new generation...
  20. John East Uni-Pre 2-Pickup 3-Knob 1-Switch 3-Band Vol/Bl Stack - Treb/Bass Stack - Mid/Mid Stack - A/P Sw

    $299.00 - $325.00
    3-band, 2-pickup, 3-knob 1 switch Volume/Blend Stack - Treble/Bass Stack - Midrange/Midrange Frequency Stack - Active/Passive Switch
    Uni-Pre 3 Knob 2 Pickup, 3-knob, 1 switch Volume/Blend Stack Treble/Bass Stack Midrange/Midrange Freq. Stack Active/Passive Switch The Uni-Pre 3 Knob is a new generation bass...
  21. John East Uni-Pre 2-Pickup 5-Knob 3-Band Vol - Bl - Treb/Bass Stack - Mid/Mid Stack - Tone P/P A/P

    $325.00 - $350.00
    2-pickup, 3-band, 5-knob Volume - Blend - Treble/Bass Stack - Midrange/Midrange Stack - Passive Tone (Push-Pull Active/Passive)
    Uni-Pre 5 Knob 2 Pickup, 5-knob Volume Blend Treble/Bass Stack Midrange/Midrange Freq. Stack Passive Tone (Push/Pull for Active/Passive) The Uni-Pre 5 Knob is a new generation...
  22. Bartolini 2.2AP 1-Pickup 2-Knob 2-Band Vol P/P A/P - Treb/Bass Stack

    $138.00
    2-Band: 1-Pickup, 2-Knob VPP A/P - Treb/Bass Stack
    Control Configuration Volume (w/Active-Passive Push-Pull) Treble/Bass Stack Description A Pre-Wired harness saves the time and aggravation of wiring your pre-amp and pots into your instrument. They feature...
  23. Bartolini 2.3AP 1-Pickup 3-Knob 2-Band Vol P/P A/P - Treb - Bass

    $136.00
    2-Band: 1-Pickup, 3-Knob VPP A/P - Treb - Bass
    Control Configuration Volume (w/Active-Passive Push-Pull) Treble Bass Description A Pre-Wired harness saves the time and aggravation of wiring your pre-amp and pots into your instrument. They feature...
  24. Bartolini 3.3AP 2-Pickup 3-Knob 2-Band Vol P/P A/P - Bl - Treb/Bass Stack

    $154.00
    2-Band: 2-Pickup, 3-Knob VPP A/P - Bl - Treb/Bass Stack
    Control Configuration Volume (w/Active-Passive Push-Pull) Blend Treble/Bass stack Description A Pre-Wired harness saves the time and aggravation of wiring your pre-amp and pots into your instrument....
  25. Bartolini 4.2AP 2-Pickup 4-Knob 2-Band Vol P/P A/P - Vol - Treb - Bass

    $138.00
    2-Band: 2-Pickup, 4-Knob VPP A/P - Vol - Treb - Bass
    Control Configuration Volume (with Active/Passive push-pull) Volume Treble Bass Description A Pre-Wired harness saves the time and aggravation of wiring your pre-amp and pots into your...
  26. Bartolini 4.5 2-Pickup 4-Knob 2-Band Vol - Bl - Treb - Bass

    $133.00
    2-Band: 2-Pickup, 4-Knob Vol - Bl - Treb - Bass
    Control Configuration Volume Blend Treble Bass Description A Pre-Wired harness saves the time and aggravation of wiring your pre-amp and pots into your instrument. They feature our...
  27. Bartolini 4.5AP 2-Pickup 4-Knob 2-Band Vol P/P A/P - Bl - Treb - Bass

    $144.00
    2-Band: 2-Pickup, 4-Knob VPP A/P - Bl - Treb - Bass
    Control Configuration Volume (with Active/Passive push-pull) Blend Treble Bass Description A Pre-Wired harness saves the time and aggravation of wiring your pre-amp and pots into your...
  28. Bartolini AGDB/918-2 Adjustable Dual Input Gain Buffer

    $86.00
    Adjustable Dual Gain Buffer
    The AGDB/918-2 is an Adjustable Gain Dual Buffer/Pre-Amp. It features two independent buffers with adjustable low-noise gain from 0 to 12dB with a superior flat frequency output response and low noise floor. This preamp can be used with either 1 -...
  29. Bartolini MPB2-918 Magnetic and Piezo Buffer

    $98.00
    Bartolini Mag/Piezo Buffer
    Designed for buffering/blending of piezo signal for use with magnetic pickups. Also used to get the piezo signal up to good levels even when magenetic pickups are not employed. Bartolini recommends the MPB2-918 for use on bass. Known to work...