Amp Shop Bass Exchange

4870 Lankershim Blvd, North Hollywood, CA 91601 | [email protected] | (818)-386-5500


4870 Lankershim Blvd
North Hollywood, CA 91601
[email protected]

Form Factor Audio Wombat PS4 34″ 4-String Bass Guitar


Wood: Silver Populus (Aspen)
Color: 3-Tone Burst
Tuners: Hipshot Clover leaf
Pickups: Pbass pickups/Ulyate MJ Hybrid
Preamp: Bartolini HR-3.2 AP/918
Control Knobs: Bartolini Preamp, Active/Passive Bass/Treble concentric
Bridge: FFA Duralum/Bronze saddles 19mm
Headstock: PJ style


More Information

Form Factor Audio Custom Shop made this bass for you! Sore-shouldered bassists can tell you that fighting “neck dive” from a poorly balanced instrument is akin to slow torture. It’s just not healthy. Playing a big heavy bass is the new smoking! Treat your body right with this custom shorty bass, built with your health in mind, using high-quality/tone wood that is not common in this price range.

The popular choice for most bass guitars is Eastern European Alder, known for its strong, clear full-bodied sound, with beefy mids, excellent lows, and aggressive singing high notes, along with light-weight Silver Populus (Aspen), and Northern European Ash.

There are a lot of basses on the market with a tendency to have weak neck binding structures due to strong string tensions. For this reason, to maintain neck stiffness and stability, two Titanium rods are applied to all Form Factor Audio bass guitars. We call this Dual Truss rod system Double Titanium Reinforcement Rods.


The nut is one of the most important parts of the bass that influences the performance, playability, and tone of the instrument. Depending on the quality of the material and elasticity, the nut can either improve or degrade the sound. Although the TUSQ nut is more costly and harder to work with, it is considered to deliver more balanced, clearer and smoother tones than plastic, corian or other materials.



Each bass comes with either Hipshot Premium Bass Tuning machine heads (Hipshot American Classics or Ultralite) or GOTOH (made in Japan). Developed with accurate gear ratios, the machine heads are very reliable in tuning.



High-quality premium Bass Pickups by High-end pickup builders (Bartolini, Lollar, SIMS, Howard Ulyate, Arcane), with Bartolini, Aguilar electronics.



Each bass comes with a Form Factor Audio Custom Light Weight Duralum bridge, with Bell Bronze saddles and extra-hard tension saddle springs to eliminate annoying parasitic rattles/vibrations coming from other types of bridges.

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