The Supro Delta King 10 (1820RTB) is a Supro amplifier. Close alternatives include the Supro Delta King 10 (1820RBB) and the Peavey Classic® 20. It pairs well with the EarthQuaker Devices '- Speaker Cranker and the J. Rockett Archer.
Supro Delta King 10 (1820RTB)
Supro · amplifier
The Supro Delta King 10 (model 1820RTB) is a 5-watt, 1x10 tube combo amplifier with built-in reverb, part of Supro's acclaimed Delta King series known for delivering rich, harmonically complex tube tone at low, bedroom-friendly wattage. This variant carries the same celebrated Delta King circuit in a different cosmetic finish from other Delta King 10 color options.
What stands out
“The Supro Delta King 10 (model 1820RTB) is a 5-watt, 1x10 tube combo amplifier with built-in reverb, part of Supro's acclaimed Delta King series known for delivering rich, harmonically complex tube tone at low, bedroom-friendly wattage”
— from the listing
“Primary use case is studio recording and home practice where players want authentic tube breakup and harmonic complexity at manageable, bedroom-friendly volume”
— from the community notes
“Valued as one of the most highly regarded low-wattage tube combos available, delivering surprisingly rich, dynamic tube tone at just 5 watts”
— from the community notes
“A highly regarded choice for players wanting authentic tube character at low volume, particularly for studio and home use”
— from the reviews
“Standout strength is the Delta King circuit's reputation for exceptional tonal quality relative to its tiny power output, widely praised by reviewers and players as one of Supro's standout designs”
— from the community notes
- tube
- reverb
- breakup
- dynamic
- studio
- bedroom
- practice
- low volume
Good for
- Practice
- Studio
Genres the Supro Delta King 10 (1820RTB) is commonly used in
- Blues
cited
Inferred from shared tonal signals, not a stated genre tag.
Pedals that stack with the Supro Delta King 10 (1820RTB)
EarthQuaker Devices '- Speaker Cranker
EarthQuaker Devices
21% matchpushes an amp at the edge of breakupPushes an amp already sitting at the edge of breakup over the line. (edge of breakup → low gain)
EarthQuaker Devices '- Speaker Cranker takes that edge of breakup character and pushes it toward low gain
Goes in front of the amp
J. Rockett Archer
pedal
20% matchpushes an amp at the edge of breakupPushes an amp already sitting at the edge of breakup over the line. (edge of breakup → low gain)
J. Rockett Archer pushes a edge of breakup tone toward low gain
Goes in front of the amp
Greer Southland
Greer
20% matchpushes an amp at the edge of breakupPushes an amp already sitting at the edge of breakup over the line. (edge of breakup → clean boost)
Greer Southland takes that edge of breakup character and pushes it toward clean boost
Goes in front of the amp
JHS Pedals JHS Whitey Tighty
JHS Pedals
14% matchshapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain. (dynamic → compressed)
JHS Pedals JHS Whitey Tighty leans toward compressed, and that's a real, usable character to pair with
Goes in front of the amp
Maestro Orbit
Maestro
13% 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 Maestro Orbit after Supro Delta King 10 (1820RTB) in the signal chain, clear of Supro Delta King 10 (1820RTB)'s own gain stage
Goes in front of the amp
Mr. Black Bloodmoon
Mr Black
7% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Keep Mr. Black Bloodmoon in Supro Delta King 10 (1820RTB)'s effects loop, clear of Supro Delta King 10 (1820RTB)'s own gain stage — goes in the amp's FX loop (or last, into a clean amp)
Sits in the amp's effects loop
Fender Hammertone Reverb
Fender
7% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Put Fender Hammertone Reverb in Supro Delta King 10 (1820RTB)'s effects loop, clear of Supro Delta King 10 (1820RTB)'s own gain stage — goes in the amp's FX loop (or last, into a clean amp)
Sits in the amp's effects loop
Cry Baby Dunlop Cry Baby 535Q Multi-Wah
Cry Baby
tonal matchGoes in front of the amp
Put Cry Baby Dunlop Cry Baby 535Q Multi-Wah in front of Supro Delta King 10 (1820RTB): a wah tracks picking dynamics best on the raw signal
Alternativessee all similar tone character →
Supro Delta King 10 (1820RBB)
Supro
79% similarityShared character: combination, home use, room
Peavey Classic® 20
Peavey
61% similarityShared character: home use, room, compact
Hiwatt DR20112C
Hiwatt
58% similarityShared character: room, practice
EVH Iconic 15W
Evh
57% similarityShared character: home use, room, compact
3rd Power Lyra 20 1x12" Combo
3rd Power
54% similarityShared character: combination, home use, room
Supro 1605R 64 Reverb 5W 1x8 Combo
Supro
52% similarityShared character: room, practice, reverb
1958 Fender Twin 5F8-4
amplifier
52% similarityShared character: room, reverb, studio
Blackstar HT-5R Series HT-5R 5W 1x12
Blackstar
51% similarityShared character: room, practice, reverb
Marshall ORI5C Origin Combo
Marshall
49% similarityShared character: room, practice
Blackstar 1R Combo
Blackstar
49% similarityShared character: room, practice, reverb
Traynor Quarterhorse Microamp
Traynor
48% similarityShared character: room, practice
Milkman Sound Half Pint 5W 1x12 Combo
Milkman Sound
48% similarityShared character: room, practice, reverb
See all alternatives to the Supro Delta King 10 (1820RTB) (cheaper + boutique) →
Questions people ask
What are good alternatives to the Supro Delta King 10 (1820RTB)?+
The closest matches in character are the Supro Delta King 10 (1820RBB), the Peavey Classic® 20, the Hiwatt DR20112C.
What pairs well with the Supro Delta King 10 (1820RTB)?+
Strong matches from rig and tone-complementarity evidence: EarthQuaker Devices '- Speaker Cranker, J. Rockett Archer, Greer Southland — EarthQuaker Devices '- Speaker Cranker takes that edge of breakup character and pushes it toward low gain.