The Soldano SLO 100R is a Soldano amplifier, currently around $4499.99. Close alternatives include the Diezel Herbert MkIII and the Hiwatt Custom Studio/Stage 20/40W Head. It pairs well with the Ibanez Tube Screamer and the Klon Centaur.
Soldano SLO 100R
Soldano · amplifier
The Soldano SLO-100R is the current rackmount evolution of the iconic SLO-100, sharing the same 100-watt output and two-channel design (a clear, articulate clean channel and a high-gain overdrive channel famous for rich saturation and sustain) while adding a new DC heater circuit that dramatically reduces noise floor compared to earlier SLO-100 designs. A new Depth switch gives players added control over the amp's low-end response, and the rackmount format suits touring and studio setups where a traditional head chassis isn't practical.
What stands out
“Standout strength is the DC heater circuit's reduction, a genuine technical improvement over earlier SLO-100 units for quiet studio recording”
— from the community notes
“A new Depth switch gives players added control over the amp's low-end response, and the rackmount format suits touring and studio setups where a traditional head chassis”
— from the listing
“Valued as the current, quietest-running evolution of the legendary SLO-100 circuit, appealing to touring and studio professionals who want the amp's benchmark tone with lower noise and rackmount convenience”
— from the community notes
“Preserves the same core two-channel tonal DNA that made the original SLO-100 , so tone remains familiar to SLO-100 players despite the format and noise-floor changes”
— from the reviews
“Depth switch adds real, useful low-end control absent from the original SLO-100 head”
— from the reviews
- studio
- low end
- touring
- quiet
- clean
- response
- rich
- recording
Good for
- Live
Price updated Oct 24, 2026
Genres the Soldano SLO 100R is commonly used in
- Rock
- Metal
- Punk Rock
cited
Inferred from shared tonal signals, not a stated genre tag. - Alternative
cited
Inferred from shared tonal signals, not a stated genre tag. - Acoustic
cited
Inferred from shared tonal signals, not a stated genre tag. - Hard Rock
cited
Inferred from shared tonal signals, not a stated genre tag.
Pedals that stack with the Soldano SLO 100R
Ibanez Tube Screamer
Ibanez
41% matchfills 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)
Ibanez Tube Screamer leans this transparent tone toward mid-forward, which it doesn't make on its own
Goes in front of the amp
Klon Centaur
Klon
36% matchclean platform takes the driveA clean, high-headroom stage takes on dirt it can't generate by itself. (transparent → medium gain)
Run Klon Centaur into that transparent platform and it finally leans toward medium gain
Goes in front of the amp
Electro-Harmonix 1973 Violet Ram's Head Big Muff Pi V2
Electro-Harmonix
33% matchfills 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)
Electro-Harmonix 1973 Violet Ram's Head Big Muff Pi V2 leans this transparent tone toward mid-forward, which it doesn't make on its own
Goes in front of the amp
Dunlop Rockma Rockman Metal Ace
Dunlop
32% matchfills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (thin → full)
What Soldano SLO 100R brings here leans toward full — that's worth building a pairing around
Goes in front of the amp
TC Electronic Mimiq Doubler
TC Electronic
24% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Run TC Electronic Mimiq Doubler after Soldano SLO 100R in the signal chain, clear of Soldano SLO 100R's own gain stage
Goes in front of the amp
MXR Dyna Comp
MXR
21% matchfills 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)
MXR Dyna Comp leans toward bright, and that's a real, usable character to pair with
Goes in front of the amp
Keeley Neutrino V2
Keeley
21% matchfills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (thin → full)
Soldano SLO 100R's own full character is the real reason this is worth trying
Goes in front of the amp
Fender Hammertone Reverb
Fender
15% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Fender Hammertone Reverb's lush voice goes in Soldano SLO 100R's effects loop — it's not there to compete with Soldano SLO 100R's own full character — goes in the amp's FX loop (or last, into a clean amp)
Sits in the amp's effects loop
Cheaper alternatives
Diezel BIG MAX
Diezel
54% similarityShared character: high gain settings, noise, studio
Soldano SLO-30 Super Lead Overdrive
Soldano
48% similarityShared character: rich, recording, high gain settings
Engl E 635 100 Head
Engl
46% similarityShared character: high gain settings, studio
Blackstar HT Stage 100H MKIII
Blackstar
46% similarityShared character: recording, high gain settings, clean
Blackstar HT Studio 20H
Blackstar
43% similarityShared character: recording, high gain settings, clean
Bogner Ecstasy 3534
Bogner
42% similarityShared character: rich, response, high gain settings
Similar charactersee all similar tone character →
Diezel Herbert MkIII
Diezel
51% similarityShared character: noise, high gain settings, clean
Hiwatt Custom Studio/Stage 20/40W Head
Hiwatt
45% similarityShared character: studio
Revv Dynamis D20 MkII 20W Head
Revv
43% similarityShared character: high gain settings, clean, studio
Peavey Roadmaster Super Festival Series 200W Head (1970s)
Peavey
43% similaritySimilar voicing: high headroom
Fender 'Black Panel' Vibro Champ Amp (1964-1967)
Fender
43% similarityShared character: recording, response, high gain settings
Soldano 4x12 Straight Classic Cabinet (Purple)
Soldano
42% similaritySimilar voicing: full
See all alternatives to the Soldano SLO 100R (cheaper + boutique) →
Questions people ask
What are good alternatives to the Soldano SLO 100R?+
The closest matches in character are the Diezel Herbert MkIII, the Hiwatt Custom Studio/Stage 20/40W Head, the Revv Dynamis D20 MkII 20W Head. Budget picks: Diezel BIG MAX, Soldano SLO-30 Super Lead Overdrive, Engl E 635 100 Head.
What pairs well with the Soldano SLO 100R?+
Strong matches from rig and tone-complementarity evidence: Ibanez Tube Screamer, Klon Centaur, Electro-Harmonix 1973 Violet Ram's Head Big Muff Pi V2 — Ibanez Tube Screamer leans this transparent tone toward mid-forward, which it doesn't make on its own.
How much does the Soldano SLO 100R cost?+
Around $4499.99 (live listing price, updated Oct 24, 2026).