Era
The decade the stompbox took off. MXR's Phase 90, Distortion+ and Dyna Comp, the Ram's Head Big Muff and the Small Stone, Boss's first compacts like the OD-1 and DS-1, the Tube Screamer and Maxon OD808, the first RATs and the DOD 250 all started here.
19 pedals we cover.

Boss · Boss compact
DistortionDS-1
$130–$220 typical ask
183 on eBay
Boss · Boss compact
OverdriveOD-1
Specs and what to check →

Boss · Boss Chorus Ensemble
ChorusCE-1
$725–$1,100 typical ask
110 on eBay

Boss · Boss compact
ChorusCE-2
$240–$360 typical ask
74 on eBay

MXR · Phase 90
PhaserPhase 90 script
$550–$950 typical ask
23 on eBay

MXR · Phase 90
PhaserPhase 90 block
$190–$300 typical ask
12 on eBay
MXR · MXR phaser
PhaserPhase 100
Specs and what to check →

MXR · Distortion+
DistortionDistortion+
$85–$170 typical ask
27 on eBay

MXR · Dyna Comp
CompressorDyna Comp
$120–$290 typical ask
134 on eBay

MXR · Micro Amp
BoostMicro Amp
$80–$230 typical ask
178 on eBay

Electro-Harmonix · Big Muff Pi
FuzzBig Muff Pi V2 (Ram's Head)
$2,125–$4,100 typical ask
16 on eBay

Electro-Harmonix · Big Muff Pi
FuzzBig Muff Pi V4/V5 (Op-Amp)
$900–$1,025 typical ask
5 on eBay

Electro-Harmonix · Small Stone
PhaserSmall Stone
$210–$490 typical ask
106 on eBay

Electro-Harmonix · Memory Man
DelayDeluxe Memory Man
$600–$1,350 typical ask
63 on eBay
Electro-Harmonix · Electric Mistress
FlangerDeluxe Electric Mistress
Specs and what to check →

Ibanez · Tube Screamer
OverdriveTS-808
$150–$390 typical ask
128 on eBay

ProCo · RAT
DistortionRAT
$370–$650 typical ask
66 on eBay
Maxon · Tube Screamer
OverdriveOD808
Specs and what to check →
DOD · DOD 250
Overdrive250
Specs and what to check →