Tech 21 · Preamp
DP-3X
9V · 100 mA · maker
Tech 21 DP-3X power requirements
9V DC · centre negative · draws 100mA · needs a supply of at least 200mA
from the maker
“Utilizes included 9V DC, 100-240V universal auto-switching power supply, 200mA, center negative. Tech 21 Model #DC9. … Maximum power consumption: approx 100mA.” source
Checked 2026-10-14
Size
196.85 × 63.5 × 31.75 mm (7.75 × 2.50 × 1.25 in)
Width × depth × height, from the manufacturer.
Power supplies that can run it
Each has an output that can power it, checked against its published figure. Plan the whole board to see what runs everything.
- Walrus Audio Canvas Power 1515 outputs · isolatedSweetwater
- Voodoo Lab Pedal Power 3 Plus12 outputs · isolatedSweetwater
- Truetone 1 SPOT Pro CS1212 outputs · isolatedSweetwater
- MXR M238 ISO-Brick10 outputs · isolatedSweetwater
- Strymon Zuma9 outputs · isolatedSweetwater
- Voodoo Lab Pedal Power 38 outputs · isolatedSweetwater