Vintage JBL speakers can be brought back to life with a simple crossover upgrade. This video will show you how to build and install a new crossover network for your classic JBL 4311, breathing new life into your beloved speakers.
jbl 4311 speaker crossover upgraded based on high quality hifi capacitors : Audyn, mundorf.
Audiophile capacitors.

link to purchase audyn caps :
[ Ссылка ]

Depending on your budget you can buy other more expensive ones like mundorf, jantzen, clarity cap ..., but already Audyn qs series have a very good price-quality ratio

you can also visit www.hificollective.com for high quality hifi capacitors / resistors/ inductors / drivers....

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