The Spaceman Delta II Cadet: Harmonic Tremolo is a Spaceman tremolo pedal, currently around $179. Close alternatives include the Subdecay Vagabond Harmonic and the Old Blood Noise Endeavors Obne Whitecap Tremolo. It pairs well with the Fender Prosonic and the Ampeg Rocket Bass RB-115 Combo Bass Amp.
Spaceman Delta II Cadet: Harmonic Tremolo
Spaceman · pedal
The Spaceman Delta II Cadet is a harmonic tremolo pedal from Spaceman Effects (Portland, Oregon), delivering the dimensional, swirling harmonic tremolo effect by splitting the signal into bass and treble bands and modulating them out of phase. The Delta II provides the rich, three-dimensional tremolo character of vintage harmonic tremolo found in classic Brownface Fender amplifiers at Spaceman handcrafted boutique quality.
- tremolo
- harmonic
- treble
- vintage
- boutique
- classic rock
- bass
- overdrive
Price updated Aug 28, 2026
Genres the Spaceman Delta II Cadet: Harmonic Tremolo is commonly used in
- Classic Rock
- Ambient
- Indie
cited
Inferred from shared tonal signals, not a stated genre tag. - Country
cited
Inferred from shared tonal signals, not a stated genre tag. - Alternative
cited
Inferred from shared tonal signals, not a stated genre tag. - Blues
cited
Inferred from shared tonal signals, not a stated genre tag.
Amps that pair well with the Spaceman Delta II Cadet: Harmonic Tremolo
Fender Prosonic
amplifier
23% matchWhere this leans bright, Fender Prosonic answers back warm
Ampeg Rocket Bass RB-115 Combo Bass Amp
Ampeg
23% matchThe Delta II's harmonic tremolo pulse adds vintage motion to the RB-115's massive, vintage-voiced preamp.
Dumble Steel String Singer
Dumble
tonal matchWhere this leans bright, Dumble Steel String Singer answers back smooth
Gibson GA-50
Gibson
tonal matchGibson GA-50's warm balances out the bright tone
Orange BT1000H Terror Bass 1000-Watt Bass Amp
Orange
tonal matchOrange BT1000H Terror Bass 1000-Watt Bass Amp's warm balances out the bright tone
Orange Terror Bass
Orange
tonal matchRun Orange Terror Bass after it and the bright edge settles into something more warm
Orange Little Bass Thing
Orange
tonal matchWhere this leans bright, Orange Little Bass Thing answers back warm
Fuchs ODS II Custom 25/50 Combo
Fuchs
tonal matchWhere this leans bright, Fuchs ODS II Custom 25/50 Combo answers back warm
Pedals that stack with the Spaceman Delta II Cadet: Harmonic Tremolo
Catalinbread SFT
Catalinbread
19% matchWhere this leans bright, Catalinbread SFT answers back warm
One Control Lingonberry Overdrive
One Control
16% matchOne Control Lingonberry Overdrive's warm balances out the bright tone
Dunlop Echoplex All-Analog Dry Path Delay
Dunlop
12% matchDunlop Echoplex All-Analog Dry Path Delay's warm voice goes after Spaceman Delta II Cadet: Harmonic Tremolo in the signal chain — it's not there to compete with Spaceman Delta II Cadet: Harmonic Tremolo's own harmonically rich character — goes in the amp's FX loop (or last, into a clean amp)
Line 6 DL4 Delay Modeler
pedal
12% matchKeep Line 6 DL4 Delay Modeler after Spaceman Delta II Cadet: Harmonic Tremolo in the signal chain, clear of Spaceman Delta II Cadet: Harmonic Tremolo's own gain stage — goes in the amp's FX loop (or last, into a clean amp)
Orange - Vintage Distortion
Orange
tonal matchRun Orange - Vintage Distortion after it and the bright edge settles into something more warm
SolidGoldFX Commodore Breaker Overdrive
Solidgoldfx
tonal matchSolidGoldFX Commodore Breaker Overdrive's smooth balances out the bright tone
Behringer Chorus Symphony
Behringer
tonal matchRun Behringer Chorus Symphony after it and the bright edge settles into something more smooth
Dunlop Blue Hippo Optical Tremolo
Dunlop
tonal matchDunlop Blue Hippo Optical Tremolo leans warm right where the bright tone needs it
Cheaper alternatives
JHS 3 Series Harmonic Tremolo
JHS Pedals
69% similarityShared character: signal, tremolo, rich
Fulltone Supa-Trem ST-1
pedal
92% similaritysimilar tone character
Universal Audio Flow Tremolo
Universal Audio
92% similaritysimilar tone character
Audiocade 1974 CS Analog Tremolo Clone
Audiocade
92% similaritysimilar tone character
Boutique & premium upgrades
Similar charactersee all similar tone character →
Subdecay Vagabond Harmonic
Subdecay
93% similarityShared character: signal, tremolo, treble
Old Blood Noise Endeavors Obne Whitecap Tremolo
Old Blood Noise Endeavors
79% similarityShared character: signal, tremolo, treble
Walrus Audio Monument CS
Walrus Audio
72% similarityShared character: signal, tremolo, bass
Audiocade Stereo Pendulum Harmonic Panning Tremolo
Audiocade
71% similarityShared character: signal, tremolo, ambient
Audiocade 1974 Colorsound Tremolo Clone
Audiocade
69% similarityShared character: tremolo, classic_rock, rich
Bookworm Effects Laughing Man Optical Tremolo V3
Bookworm Effects
69% similarityShared character: signal, tremolo, modulation
See all alternatives to the Spaceman Delta II Cadet: Harmonic Tremolo (cheaper + boutique) →
Questions people ask
What are good alternatives to the Spaceman Delta II Cadet: Harmonic Tremolo?+
The closest matches in character are the Subdecay Vagabond Harmonic, the Old Blood Noise Endeavors Obne Whitecap Tremolo, the Walrus Audio Monument CS. Budget picks: JHS 3 Series Harmonic Tremolo, Fulltone Supa-Trem ST-1, Universal Audio Flow Tremolo. Boutique upgrades: JAM Pedals Harmonious Monk MK1, Carl Martin TremO'vibe, Subdecay TremCoder 2.
What pairs well with the Spaceman Delta II Cadet: Harmonic Tremolo?+
Strong matches from rig and tone-complementarity evidence: Fender Prosonic, Ampeg Rocket Bass RB-115 Combo Bass Amp, Dumble Steel String Singer — Where this leans bright, Fender Prosonic answers back warm.
How much does the Spaceman Delta II Cadet: Harmonic Tremolo cost?+
Around $179 (live listing price, updated Aug 28, 2026).