jbcapacitors blog

Why Pay More When You Don’t Have To?

DIY audio upgrades often run into high prices and MOQs from big names like Mundorf, Jantzen, or Auricap. The jb® JPX / JSX / JFX axial polypropylene film capacitor family targets the same hi-fi goals at a friendlier budget and small-batch ordering.

📷 Official jb® product shot of the JPX / JSX / JFX series.

Tested Performance, Real Results

• JPX Supreme received a 9/10 score in comparative listening, praised for beautiful midrange, clear highs, and fast, deep bass.
• Mundorf MCAP MKP scored 7/10 and MCAP EVO Aluminum Oil scored 6/10 in the same review, with comments about darker highs.
• JSX Superior is highlighted by users as clean and open, with strong mids and compact sizing.
• JFX Premium is a reliable, budget-friendly option with low ESR/DF for cost-sensitive builds.

How to Use This in Your DIY Project

1. Choose JPX / JSX / JFX per voltage, footprint, and voicing goals.
2. Order small batches (low MOQ) for testing in your amp/DAC/crossover.
3. Compare tone/clarity/dynamics versus stock caps; iterate.

Lead time reference: ~4–6 weeks (per campaign brief).