Quote:
Originally Posted by dkorbal
Does anyone know if this problem with capacitors has been addressed by JL with newer (V2?) versions? I just purchased two f110V2 and would like to know if I need to keep an eye out for this problem.
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From my research, I read somewhere that the Version 2's did have upgraded caps, but not sure if they upgraded the power on cap in my video. It's possible they simply upgraded the power amplifier caps since the Version 2 F113 subs do put out 500W more power compared to the Version 1 F113 subs.
Here is the link to JL's page with the upgrades to the Version 2 subs. I'll also paste the content below for convenience.
Link:
https://jlaudio.zendesk.com/hc/en-us...es-What-s-New-
Gotham and Fathom v2 Upgrades - What's New?
Our Gotham® and Fathom® v2 powered home subwoofers are clear statements of our commitment to the pursuit of great audio. Below is a summary of all updates and improvements implemented in the Gotham® v2 and all Fathom® v2 subwoofer systems, in comparison to the original Gotham® and Fathom® models.
Driver Enhancements!
All v2 subwoofer drivers have modified suspensions for greater linearity and lower distortion.
More Power!
The v2 powered subwoofer amplifiers have been further optimized, with all-new layouts and upgraded components, resulting in increased power output and efficiency. The net result is a 20% increase in available power.
A.R.O. Goes Digital!
Our innovative A.R.O. (Automatic Room Optimization) system gets a complete overhaul, creating an even more powerful tool!
D.A.R.O. (Digital Automatic Room Optimization) now includes 18 bands of digital EQ correction making it capable of correcting more complex frequency errors.
Each band is independently and automatically adjusted during calibration
The system applies an automatic global level adjustment to maintain equal loudness, post-calibration.
Calibration stimulus is now band-limited pink noise with measurement averaging – this means more in-room noise immunity, making measurements more reliable and repeatable.
One button operation makes D.A.R.O. easier to use. Subwoofer output levels and mic gain are set automatically, requiring no user intervention. This results in more reliable calibration.
Calibration data is easily cleared with the press of two buttons.
Even More Improvements!
Further circuitry enhancements used in all v2 models result in improved performance and efficiency.
Analog input/output circuits, as well as the digital signal flow have been upgraded for improved small-signal linearity and significantly better noise performance.
Unbalanced input signal isolation circuitry has been modified, improving signal-to-noise performance.
The mechanical layout of the low-level circuits has been revamped - audio signals no longer pass though the front control panel, significantly simplifying internal wiring and improving audio performance.
All small-signal circuitry is housed within a separate, cast-aluminum enclosure, with signal and AC power circuits isolated from one another, for improved noise rejection.
For ease of service, the main AC power fuse is now externally accessible.
My cap repair video for reference:
https://www.youtube.com/watch?v=DMY1xldQP2Q&t=856s