Over 30 years ago, the SR established Ibanez as the leader in innovative bass building. Throughout the years, we’ve made fretless versions of this classic for a limited number of esteemed Ibanez artists. Now, the Ibanez Bass Workshop makes this much sought after option available to SR players everywhere with the introduction of the SR Portamento. The SR Portamento offers a Rosewood fingerboard that extends the length of the standard SR neck to a hefty 30-fret length. Several years in the making, the SR Portamento's new AeroSilk piezo system delivers an uncanny touch of hollow-bodied openness, and realizes the innovative Upright Double Bass sound to blend into the mix that both inspires and redefines the role of the solid body bass.

Specifications

• SRF4 5pc Maple/Bubinga neck-through
• Mahogany wing body
• Rosewood fretboard
• Fretless
• Custom bridge for AeroSilk Piezo system (19mm string spacing)
• Bartolini® MK-1 neck pickup (Passive)
• Bartolini® MK-1 bridge pickup (Passive)
• Ibanez 2-band EQ
• factory tuning   1G, 2D, 3A, 4E
• string gauge   .045/.065/.080/.100
• Flatwound strings
• Cosmo black hardware

Neck Dimensions

• Scale :   864mm/34"
• a : Width   38mm at NUT
• b : Width   62mm at 24F
• c : Thickness   21.5mm at 1F
• d : Thickness   23.5mm at 12F
• Radius :   305mmR

Controls

Frequency Response