Electrolytic capacitor kits for vintage audio
Your amp.
Your caps.
Four minutes.
Enter your amplifier model. Choose a trim level — from stock-spec to reference grade. We pull the service manual, check live inventory across multiple suppliers, and ship a curated, labeled kit to your door. No scouring PDFs. No rabbit holes.
No spam. One email when we launch.
✓ You're on the list. We'll email you the day we launch.
How it works
01
Enter your amp
Type the make and model. We find the service manual and extract every electrolytic cap automatically.
02
Choose your voicing
One slider sets the upgrade level — from original spec to Elna Silmic II throughout.
03
We check stock live
Every part confirmed in-stock at time of order. No substitutions without telling you first.
04
Kit ships to you
Labeled bags, printed BOM, signal-path annotation for your specific amp. Ready to solder.
Voicing tiers
Stock
$28–45
Modern equivalents at original spec. A clean restore.
Light upgrade
$40–65
+20% voltage headroom. Nichicon UPW / KW series throughout.
most popular
Audiophile
$58–95
Nichicon FG / Panasonic FC. Signal path prioritized. Film subs where suitable.
Reference
$90–160
Elna Silmic II / Mundorf. Maximum possible improvement. Full schematic annotation.
Community response · r/vintageaudio · today
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"Not sure how the tool would work but it would be a time saver."
— wayne63, Top 1% commenter, r/vintageaudio
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