The Fender Rumble 40 Ivory is a Fender amplifier. Close alternatives include the Hiwatt Bulldog 30 Combo and the Fender Rumble 25 Ivory. It pairs well with the Ashdown Geezer Butler Signature and the Greer Tomahawk.

Fender Rumble 40 Ivory

Fender · amplifier

The Fender Rumble 40 Ivory is a 40-watt solid-state bass combo amplifier from the Fender Rumble series in an ivory finish. Part of the widely popular Rumble line, the 40W version provides a step up from the Rumble 25 with more output power for rehearsal and small venue use. Clean and Overdrive channels with a lightweight design suit players who need Fender Rumble reliability and quality in a mid-range practice and rehearsal combo at an accessible price.

What stands out

  • “At 40W the amp is adequately loud for band rehearsal in smaller rooms”

    — from the reviews

  • “Clean and Overdrive channels with a lightweight design suit players who need Fender Rumble reliability and quality in a mid-range practice and rehearsal combo at an accessible price”

    — from the listing

  • “At 40W it handles band rehearsal volumes better than smaller Rumble models”

    — from the community notes

  • “The Fender Rumble 40 Ivory is a popular intermediate bass combo for players who have outgrown small practice amps and need rehearsal-capable output”

    — from the community notes

  • “The Fender Rumble 40 Ivory delivers 40W of clean bass amplification in the lightweight Rumble format”

    — from the reviews

  • rehearsal
  • practice
  • bass
  • clean
  • grit
  • overdrive
  • transparent
  • solid state

Good for

  • Practice
  • Live
  • Studio

Pedals that stack with the Fender Rumble 40 Ivory

Ashdown Geezer Butler Signature

Ashdown

21% match
$234.01via Reverb

clean platform takes the driveA clean, high-headroom stage takes on dirt it can't generate by itself. (transparent → low gain)

Run Ashdown Geezer Butler Signature into that transparent platform and it finally leans toward low gain

Goes in front of the amp

Greer Tomahawk

Greer

20% match

clean platform takes the driveA clean, high-headroom stage takes on dirt it can't generate by itself. (transparent → medium gain)

Greer Tomahawk's own bright character is the real reason this is worth trying

Goes in front of the amp

Tone City Model B Distortion TC-T31

Tone City

20% match
$88.80via Reverb

fills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (transparent → mid-forward)

The transparent tone has headroom to spare — Tone City Model B Distortion TC-T31 leans it toward mid-forward to fill it in

Goes in front of the amp

JHS 3 Series Harmonic Tremolo

JHS Pedals

12% match

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.

Keep JHS 3 Series Harmonic Tremolo after Fender Rumble 40 Ivory in the signal chain, clear of Fender Rumble 40 Ivory's own gain stage

Goes in front of the amp

Vox Valvenergy Silk Drive

Vox

8% match
$150.68via Reverb

shapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain.

Vox Valvenergy Silk Drive's own smooth character is the real reason this is worth trying

Goes in front of the amp

Electro-Harmonix Memory Boy Analog Delay

Electro-Harmonix

6% match
$104.76via Reverb

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.

Keep Electro-Harmonix Memory Boy Analog Delay in Fender Rumble 40 Ivory's effects loop, clear of Fender Rumble 40 Ivory's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Sits in the amp's effects loop

Mr. Black Bloodmoon

Mr Black

6% match
$199.95via Reverb

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.

Keep Fender Rumble 40 Ivory's transparent voice out front: Mr. Black Bloodmoon goes in Fender Rumble 40 Ivory's effects loop so its dark voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)

Sits in the amp's effects loop

Tone City Dry Martini

Tone City

tonal match
$50.81via Reverb

Goes in front of the amp

Fender Rumble 40 Ivory leans into a clean amp's front end, precisely the platform Tone City Dry Martini wants

Alternativessee all similar tone character →

See all alternatives to the Fender Rumble 40 Ivory (cheaper + boutique) →

Questions people ask

What are good alternatives to the Fender Rumble 40 Ivory?+

The closest matches in character are the Hiwatt Bulldog 30 Combo, the Fender Rumble 25 Ivory, the Fender Frontman 60B.

What pairs well with the Fender Rumble 40 Ivory?+

Strong matches from rig and tone-complementarity evidence: Ashdown Geezer Butler Signature, Greer Tomahawk, Tone City Model B Distortion TC-T31 — Run Ashdown Geezer Butler Signature into that transparent platform and it finally leans toward low gain.

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