The Ibanez TMB30 is a solid body 4 string electric bass guitar with passive P and J pickups. Production began Nov 2015. The TMB30 is manufactured in Indonesia.
These specifications were obtained from the following sources:
All part numbers are Ibanez numbers unless otherwise noted. Ibanez part number suffix CH = Chrome, BK = Black.
This website is not affiliated with Ibanez or Hoshino (U.S.A.) Inc. These specifications are subject to change and may not be accurate.
Please email additions, corrections and suggestions to kevin@kevinsworkbench.com
Model | TMB30 |
Scale | 30” (762mm) |
Overall Length (Including Strap Button) | 41.4" (1051mm) |
Overall Width | 13" (330mm) |
Body Thickness | 1.6" (40.6mm) |
Weight (Approximate) | 8 lbs ± 0.5 lbs |
Wood Type (Body) | Poplar |
Wood Type (Neck) | Maple |
Wood Type (Fretboard) | Jatoba |
Strap Button Model | 4EP1C2C |
Pickguard Model | 4PG1PC0018 |
Pickguard Type | 3 Ply |
Pickguard Thickness | 0.09" (2.2mm) |
Pickguard Width | 8.5" (216mm) |
Pickguard Height | 10" (254mm) |
Pickguard Screw Type | #4-24 / M3 (unverified), Oval Head, Phillips, AB Point |
Pickguard Screw Nominal Thread Diameter | 0.117" (3mm) |
Pickguard Screws Total Length (Including Head) | 0.5" (13mm) |
Pickguard Screws Head Diameter | 0.23" (5.5mm) |
Strap Button Screw Type | #8, M4 (unverified), Oval Head, Phillips, AB Point |
Strap Button Screw Nominal Thread Diameter | 0.16" (4mm) |
Strap Button Screws Total Length (Including Head) | 1.1" (28mm) |
Strap Button Screws Head Diameter | 0.3" (7.5mm) |
Paint Color (Ivory) | PPG: Barley Butter Sherwin-Williams: Pineapple Cream Valspar: Cloth Hex: #F8E9C2 RGB(248, 233, 194) |
I believe Ibanez uses metric screws, however, Imperial sizes are close enough to generally be acceptable replacements.
Neck Name | TMB4 |
Neck Model | 1NK1PC0365-BK |
Frets (Number) | 20 |
Fret Size | Medium |
Neck Radius | 9.45” (240mm) |
Width At Nut | 1.61” (41mm) |
Width At Body / 20th Fret | 2.44” (62mm) |
Thickness At 1st Fret | 0.85” (21.5mm) |
Thickness At 12th Fret | 0.97” (24.5mm) |
Nut Model | 4N4132401R-PIV 4NT1MC0006 (discontinued) |
Nut Width | 1 5/8" (41mm) |
Nut Height | 3/16" (4.8mm) |
Nut Thickness | 1/8" (3.3mm) |
Neck Screw Bushing | 4NSB1450-BK |
Inlay Shape | Dot |
Inlay Diameter | 0.24" (6mm) |
Inlay Color | White(ish) |
Truss Rod Wrench Size | 4mm |
Tuning Machine Hole Diameter (Ferrule Insert Outer Diameter) |
11/16" (17.5mm) |
Tuning Machine Ferrule Insert Inner Diameter | 0.55" (14mm) |
The factory supplied truss rod hex key / Allen wrench measures 3.93mm.
Bridge Name | B10 |
Bridge Model | 2BB14-CH |
Mounting Holes | 6 (4 lower, 2 upper) |
Mounting Hole Spacing (Lower) | 0.75" (19mm) |
Mounting Hole Spacing (Upper) | 2.12" (53.8mm) (unverified) |
Intonation Screw | M3-0.50mm |
Saddle Height Screw Wrench Size | 2mm |
My TMB30 saddle height screws are 2mm. My TMB100 has a different factory bridge (Model 2BB1PCA001) with 1.5mm saddle height screws.
P Pickup Name (Neck) | Dynamix P |
P Pickup Model (Neck) | 3PUDXPP0-FBN |
J Pickup Name (Bride) | Dynamix J |
J Pickup Model (Bride) | 3PUDXJEJ0-FBN |
P Length | 1.1" (27.9mm) |
P Width (side to side) | 2.25" (57.3mm) |
P Width (with mounts) | 2.63' (66.8mm) |
P Height | |
J Width (side to side) | 3.65" (92.6mm) |
J Length (with mounts) | 1.12" (28.5mm) |
J Length | 0.78" (19.8mm) |
J Height | |
12th Fret to P1 Distance | 9.75" (248mm) |
12th Fret to P2 Distance | 10.88" (276mm) |
12th Fret to J Distance | 13.13" (334mm) |
The 12th fret to pickup distance is measured from the fret wire to the center of the pickup. The 12th fret is just an arbitrary reference point.
Tuning Machine Model | 2MM0034L, 2MM0034R |
Tuning Machine Weight (Each) | 3.0 oz (85g) |
Tuning Machine Shaft Diameter | 0.55 in (13.9mm) |
Tuning Machine Mounting Screw Thread Diameter | 0.1" (2.5mm) |
Tuning Machine Mounting Screw Thread Length | 0.4" (10.2mm) |
Tuning Machine Mounting Screw Overall Length | 0.5" (12.7mm) |
The factory tuning machine shaft diameter is 13.9mm. The ferrule insert inner diameter is 14mm and the headstock hole diameter (ferrule insert outer diameter) is 17.5mm.
String Spacing | 0.75” (19mm) |
String Gauge (Factory) | 0.045 – 0.065 – 0.085 – 0.105 |
Bridge to Tuner Shaft (E) | 33.5" (851mm) |
Bridge to Tuner Shaft (A) | 35.5" (902mm) |
Bridge to Tuner Shaft (D) | 37" (940mm) |
Bridge to Tuner Shaft (G) | 33.75" (857mm) |
String Retainer Model | 4TH1MC0001 |
The "Bridge to Tuner Shaft" length may be used to determine the maximum string length without the fat part of the string beginning to wind around the tuner shaft.
Control Knob Model | 4KB1PC0002 |
Control Knob Shaft Hole | 6mm, Spline, No Set Screw |
Control Knob Diameter (Main, Brim) | 15.5mm, 20mm |
Control Knob Height | 11mm |
Output Jack Model | 3JKO6S001-CH |
Output Jack Type | Tip, Sleeve |
Output Jack Size | 0.25" (6.3mm) |
Jack Plate Model | 4JKPTMS-CH |
Jack Plate Length | 4.92" (125mm) |
Jack Plate Width | 1.38" (35mm) |
Control Assembly Model | 3CA0002R |
Control Assembly Type | 2 volume, 1 tone |
Potentiometer Value (P Volume) | B500K (Linear Taper) |
Potentiometer Value (J Volume) | B500K (Linear Taper) |
Potentiometer Value (Tone) | A500K (Audio Taper) |
Potentiometer Shaft | 6mm, Split, Spline |
Potentiometer Shaft Split Gap | 0.035" (0.89mm) |
Potentiometer Spline Length | 0.32" (8mm) |
Potentiometer Thread Diameter | 0.3" (7.7mm) |
Potentiometer Thread Length | 0.39" (10mm) |
Potentiometer Body Diameter | 0.65" (16.5mm) |
Potentiometer Overall Height | 1.06" (27mm) |
Pickguard Potentiometer Hole Diameter | 0.35" (8.9mm) |
Gotoh VK1-18, VK1-19 knobs have 6mm smooth (no splines) shaft holes with a set screw that fit the factory pots.
Most standard P pickups (Seymour Duncan Quarter Pound SPB-3, EMG, etc.) should be a drop-in replacement.
Gotoh GB350 tuning machines are a drop-in replacement if the Gotoh ferrules (14mm outer diameter) are placed into the factory ferrules, (14mm inner diameter) and a new screw mounting hole is drilled.
Hipshot USA 1/2" Ultralite Bass Tuning Machines require a 17mm or 17.5mm hole and should be a drop-in replacement with a new screw mounting hole and possibly some tape shimming around the shaft.
Hipshot USA 3/8" Ultralite Bass Tuning Machines require a 14mm hole and should be a drop-in replacement if placed into the factory ferrules (14mm inner diameter), and a new screw mounting hole is drilled.
Hipshot Licensed 3/8" Ultralite Bass Tuning Machines require a 14mm hole and should be a drop-in replacement if placed into the factory ferrules (14mm inner diameter), and a new screw mounting hole is drilled.
Jack plate model JP-CST-C (chrome), JP-CST-B (black) are drop-in replacements.
Plastic nut model BN-2210-023, BN-2350-000 at allparts.com may be drop-in replacements.
Please email the model number of drop-in replacements you've used to kevin@kevinsworkbench.com
La Bella 760FS-S Deep Talkin’ Bass Flats – Standard 45-105, Short Scale. Source
Please email the model number of strings you've used to kevin@kevinsworkbench.com