Yamaha TRBX504 – Active/Passive Solid Mahogany Electric Bass

The Yamaha TRBX500 offers a clear, powerful, and versatile tone, ideal for modern bassists looking for precision, comfort, and sonic flexibility.

Thanks to its solid mahogany construction and its ultra-musical active/passive preamp, the TRBX500 allows you to sculpt a sound perfectly suited to all styles: rock, funk, jazz, pop, or metal.

Solid Mahogany Body – Optimized Balance and Comfort

The TRBX500 features a sculpted solid mahogany body with a 3D design optimized for:

✔ Perfect balance between tone and comfort
✔ Excellent weight distribution
✔ Rich and warm resonance

Its ergonomic design ensures superior comfort during rehearsals and on stage.

5-Piece Maple/Mahogany Neck – Exceptional Stability

The neck combines a fast, comfortable profile with a 5-piece maple and mahogany laminated construction, offering:

• Increased stability

• Excellent vibration transmission

• Precise and dynamic response

The precision bolt-on joint improves sonic clarity and definition while facilitating access to the upper frets.

YGD H5 Pickups – Power and Subtlety

The YGD H5 (Alnico V) pickups offer a clear, open, and balanced sound.

Their quad-polepiece design allows for:

• Sufficient power in active mode

• High sensitivity in passive mode

• Faithful capture of playing nuances

Perfect for bassists looking for versatility and sonic definition.

Audiophile Active/Passive Circuit with Alert LED

The TRBX504 models incorporate a professional-grade active/passive circuit:

• Master volume

• Pickup balance

• 3-band equalization (Bass, Middle, Treble)

• Active/passive switch

• Rear battery alert LED

The system maintains a consistent output level in both modes and uses gold-plated components for optimal conductivity and increased reliability.

High-Mass Bridge and Tuning Stability

The die-cast bridge with 19 mm string spacing (4-string model) ensures:

✔ Improved sustain
✔ Precise adjustment
✔ Proven durability

The straight string pull from the nut to the headstock reduces lateral tension and improves tuning stability.

Comfort and Professional Playability

• 38 mm nut (4-string model)

• Rosewood fingerboard

• 250 mm (10") radius

• 34" scale length (836.6 mm)

• Standard Yamaha Corporation jack output mounted on a metal plate

Designed for fast, fluid, and comfortable playing in any style.

Technical Specifications – Yamaha TRBX504

• Body: Solid mahogany

• Neck: 5-piece maple/mahogany

• Fingerboard: Rosewood

• Pickups: HHB5n & HHB5b (Alnico V)

• Electronics: Active/passive with 3-band EQ

• Bridge: Die-cast – 19 mm

• Hardware: Black nickel

• Scale: 34’’