⚡🎹 IEC C9 Power Cable
 
(2‑Prong AC Cord • IEC 60320 C9 to NEMA 1‑15P • Vertical‑Slot Connector)

This cable features a NEMA 1‑15P plug on one end (North American 2‑prong wall plug) and an IEC 60320 C9 connector on the other (female rectangular housing with two vertical slots). It mates with a C10 inlet and was widely used in legacy audio, hi‑fi, and music production gear.
 
🔧 Cable Form
Connector A: NEMA 1‑15P (male, 2‑prong ungrounded)
Connector B: IEC 60320 C9 (female, 2 vertical slots)
Voltage: 100–240V AC, 50/60Hz
Current: Typically rated 2.5A–10A
Lengths: 6ft–8ft common
Shape: Rectangular with vertical slot geometry
 
🖥️ Compatible Devices
🎹 Roland synthesizers (JD‑800, Juno series)
🥁 Roland drum machines (TR‑909, TR‑505, TR‑626)
🎛️ Boss rack effects (DE‑200, others)
📼 Revox hi‑fi decks (A77, B77, B225a)
🎵 Marantz receivers and hi‑fi gear (1980s–1990s)
🧪 Other legacy electronics with C10 inlets
 
✅ Common Uses
🔌 Powering vintage synthesizers and drum machines
🧩 Replacing lost OEM cords for hi‑fi gear
🛠️ Bench testing legacy audio equipment
📦 Collectible retro computing and AV setups
🎚️ Studio racks with Roland/Boss gear
 
🧠 Signal Format
⚡ AC input: 100–240V, 50/60Hz
🔌 2‑wire ungrounded (line + neutral)
📐 C9 mates only with C10 inlet
🔁 No data — power only
 
⚠️ Things to Watch Out For
🚫 Not interchangeable with C7/C8 “figure‑8” cords
🌀 Rare connector — confirm device inlet before ordering
📉 Ungrounded — not for devices requiring earth pin
🔌 Limited to legacy gear, not modern PCs or monitors
🧯 Aftermarket cords may be mislabeled as C7 — check geometry
 
🛠️ Quick Tips for Beginners
🧭 Look for the two vertical slots to confirm C9
🔌 Match exactly to C10 inlet — don’t confuse with C7/C8
🧪 Keep spares if you work with vintage Roland or Revox gear
🧯 Label clearly to avoid mix‑ups in bins of C7/C13 cords
🧵 Treat as a collector’s cable — rare but essential in audio history