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Yamaha TRBX504
TRBX Series Electric Bass Guitar with HHB5 Pickups


TRBX500 has a simple brief – tone.
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Yamaha TRBX504
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TRBX500 has a simple brief – tone. Premium mahogany construction and an ultra-musical active/passive pre-amp design deliver the flexibility and sheer tonal quality to allow you to sculpt the perfect sound for your music.


  • Body: TRBX features a sculpted solid mahogany body,with a mass-optimized 3D design for the optimum balance between tone andcomfort coupled with perfect weight distribution.
  • Neck: TRBX’s neck design combines a fast,ultra-comfortable profile with 5-pc maple/mahogany laminated construction foroutstanding stability and excellent tone.
  • Pickups: YGD designed H5 pickups are defined by aclean, open tone that’s perfectly matched with the flexibility of theactive/passive preamp design. Their quad-polepiece design and alnico magnetsgive them the power to drive the active circuit and the sensitivity andsubtlety to capture every nuance in passive mode.
  • Electronics(Active/Passive selecter, Battery Alert):TRBX500 models feature an audiophile-grade active/passive circuit for finetonal control and extreme flexibility. The advanced design offers alevel-matched output whether in passive or active mode and tone-switchingcircuitry that seamlessly moves from treble control to master passive tone.High-quality gold plated parts are used for key signal chain contacts,providing increased conductivity and reliability and a battery alert LEDinstalled on the back panel gives instant indication of low power to eliminatesudden power loss during performance.
  • Neck Joint: TRBX uses a precision fitted bolt-on neckjoint for maximum adjustability and clear, punchy tone. Developed throughhundreds of hours of play-testing, the refined neck joint shape perfectlybalances strength, vibration transfer and upper-fret access.
  • Bridge: A high-mass die-cast bridge efficientlytransfers string vibrations to the body for full, rich tone combined withexcellent adjustability and road-tested durability. 19mm string spacing on the4-string model offers outstanding playability for technical slap or fingerstyles.
  • Headstock: Straight string pull from nut to machinehead eliminates lateral tension, providing superior tuning stability andreducing overtones.
  • Nut: 38mm (4-string) nut widths give fast, comfortableplayability for any style.
  • Output Jack: Yamaha’s metal plate-mounted standard jack socket offerssuperior durability and easy maintenance.


  • Scale Length:  34'' (863.6mm)
  • Neck:  Maple and Mahogany 5pc
  • Fingerboard:  Rosewood
  • Radius:  10'' (250mm)
  • Nut Width:  38mm
  • Body:  Solid Mahogany
  • Tuners:  Die-cast
  • Bridge:  Die-cast 19mm
  • Pickups:  HHB5n (Alnico V), HHB5b (Alnico V)
  • Controls:  Master Volume, Pickup Balancer, Bass,Middle, Treble and Active-Passive switch (Battery Alert LED on back)
  • Hardware Color:  Black Nickel

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