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Yamaha TRBX504 TBK

4-String Modern Basses | Product code: TRBX504-TBK | ID: 216821

Yamaha TRBX504 TBK

Yamaha TRBX504 TBK

Electric bass guitar from TRBX500 series that has a simple brief – tone. Its premium mahogany construction and an ultra-musical active/passive pre-amp design deliver the flexibility and sheer tonal quality to allow user to sculpt the perfect sound for his music. It features a sculpted solid mahogany body, with a mass-optimized 3D design for the optimum balance between tone and comfort coupled with perfect weight distribution. Neck design combines a fast, ultra-comfortable profile with 5-pc maple/mahogany laminated construction for outstanding stability and excellent tone. The neck is connected to the body via precision fitted bolt-on joint for maximum adjustability and clear, punchy tone. Developed through hundreds of hours of play-testing, the refined neck joint shape perfectly balances strength, vibration transfer and upper-fret access. The neck is also fitted with a rosewood fingerboard with 24 frets. Scale length is 863.6 mm, nut width is 38 mm and fingerboard radius is 250 mm. The bass guitar is equipped with YGD designed H5 pickups that are defined by a clean, open tone, perfectly matched with the flexibility of the active/passive preamp design. Their quad-pole piece design and alnico magnets provide them with the power to drive the active circuit and the sensitivity and subtlety to capture every nuance in passive mode. The advanced design offers a level-matched output whether in passive or active mode and tone-switching circuitry 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 LED installed on the back panel gives instant indication of low power to eliminate sudden power loss during performance. A high-mass die-cast bridge efficiently transfers string vibrations to the body for full, rich tone combined with excellent adjustability and road-tested durability. 19mm string spacing on this 4-string model offers outstanding playability for technical slap or finger styles. Straight string pull from nut to machine head eliminates lateral tension, providing superior tuning stability and reducing overtones. Transparent Black colour design.

Recommended accessories

Picks, Guitar Stands and Hangers, Guitar Straps, 4 String Sets for Electric Bass, Cases and Bags for Basses, Instrument Cables

Parameters and specifications


Number of Strings

4, Steel

Pickups Configuration






Fingerboard Radius


Number of Frets


Scale (mm)


Tuning Machines



Nut Width (mm)


Original Colour by Producer

Translucent Black

Made in


Overall score based on 3 user reviews:


Do you own Yamaha TRBX504 TBK or have you had a chance to try it?

Matthias O.

Quality of manufacture


Quality/Price ratio

Overall impression


Wie von Yamaha gewohnt ein gutes Instrument mit einem modernen, klaren Sound. Was den Gesamteindruck etwas schmälert: Das Instrument war schlecht (also gar nicht) eingestellt. Unspielbar im Auslieferungszustand. Schade, aber kann man ja selbst machen (wenn man es kann). Sonst Yamaha-typisch sehr gut bespielbar, super verarbeitet, tolles mattes finish (kaum durchsichtig, auf dem Foto sieht es transparenter aus), leichtgängige Regler, klar klingende Saiten (überhaupt nicht dumpf, obertonreich). Für den Preis (404€ momentan) ein Schnäppchen! Passiver und aktiver Bass in einem, 3-Band-Elektronik mit Batterie-Indikator, neuste Generation ygd-Humbucker, gute Bespielbarkeit und super Optik - was will man mehr?

Oliver B.

Quality of manufacture


Quality/Price ratio

Overall impression


Róbert V.

Quality of manufacture


Quality/Price ratio

Overall impression

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