
Roland Cube Bass 30 (CB-30)
The Roland Cube Bass 30 is a compact 30-watt solid-state bass combo amplifier that earned a reputation as one of the best small practice amps of its era. Although it has been discontinued, it's still popular on the used market because of its reliability, flexible tones, and built-in effects.
This pre owned item is in good condition with a few signs of light wear.
30 watts RMS
10-inch coaxial speaker with a built-in tweeter for improved high-frequency clarity
7 COSM bass amp models:
Flip Top (Ampeg B-15 style)
B Man (Fender Bassman style)
Bass 360
Concert 810
T.E.
Session
Octave Bass
3-band EQ (Bass, Middle, Treble)
Compression
Built-in DSP effects:
Chorus
Flanger
T-Wah (auto-wah)
Delay
Reverb
Recording/Headphone output for silent practice or direct recording
Auxiliary input for playing along with music
Optional footswitch control for effects
Weight: approximately 13 kg (29 lb)
The Cube Bass 30 is known for being:
Clear and punchy rather than vintage and woolly.
Louder than many 30-watt practice amps thanks to Roland's efficient power section.
Especially good for clean tones, slap bass, funk, jazz, and modern rock.
Capable of respectable overdriven sounds via its amp models, though it's not intended as a high-gain amp.
It excels as:
A home practice amp.
A rehearsal amp with moderate-volume bands.
A recording amp using the headphone/recording output.
A small combo for acoustic or coffee-shop gigs where stage volume is modest.
Excellent build quality; many units are still in regular use after 15–20 years.
Wide variety of usable tones.
Useful built-in effects.
Quiet operation with reliable electronics.
Strong value on the second-hand market.