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JL Audio Ahead of the Curve

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  #61  
Old 07-08-2018, 10:20 PM
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Quote:
Originally Posted by McDaddy View Post
Dan, do you happen to recall what size 2” machine screw you used to dislodge the heat sink?

I’m now 2 for 2 with the same problem after 3 years of use on each sub (very frustrated)? I sent the first one back for repair but I’m going to replace the cap myself as i’m confident it’s the same issue.
Karl.......I used four metric M6 phillips pan head machine screws. They measure 45mm length. They are slightly larger than the hole in the heat sink but the softer aluminum allows the machine screw to tap threads into it. Gradually screw them through the heat sink across the top, then screw each screw a turn or so back across the top until the amp heat sink pulls away from the recessed area of the subwoofer cabinet. Once the amp plate is free, unscrew the machine screws and save for future use.
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STUDIO - McIntosh C1000C/P, MC2301 (2), MR88, Aurender N10, Esoteric K-01X, Shunyata Sigma spdif digital cable, Sonos Connect, PurePower 2000, Stillpoints, Furutech Flux 50, Michell Gyro SE, Michell HR Power Supply, SME 309, Ortofon Cadenza Black, Wireworld, Sonus faber Amati Anniversario
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VINTAGE - McIntosh MA230, Tandberg 3011A tuner, Olive 04HD, Sony DTC-59ES DAT, McIntosh 4300V, JBL 4312A
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  #62  
Old 07-08-2018, 10:24 PM
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  #63  
Old 07-08-2018, 10:26 PM
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Thanks for the detailed information Dan! I’ll be saving this thread just in case I need it in the future.
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Speakers: Von Schweikert VR-5 Anniversary MK II Front L/R, LCR-35 Center, VR-1 Rear L/R Sub: JL Audio F113
Amps: PS Audio BHK Signature 300 Mono, McIntosh MC207 Pre-Amp PS Audio BHK Signature and Gold Note PH-10 Phono Stage/PSU-10 Power Supply
Turntable: VPI HR-X 12.7 TONEARM (2) and SDS, Stillpoints LPI
Tape Deck Otari 5050B II2
Music Server: Aurender N100H
Cartridges: Ortofon Cadenza Black, Lyra Helikon Mono Digital Source: Oppo UDP-205 DAC: Holo Audio Spring 3 KTE
SSP: Marantz AV8801 Cables: Wireworld Electra 7 (P) Wireworld Silver Eclipse 7, Shunyata Delta NR (I) Wireworld Silver Eclipse 7 (S)
Wireworld Platinum Starlight 7 (USB)
AC Power Regeneration: PS Audio DirectStream P15 Power Plant and Shunyata Denali 6000s V2.
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  #64  
Old 07-08-2018, 10:47 PM
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Quote:
Originally Posted by jdandy View Post
Karl.......I used four metric M6 phillips pan head machine screws. They measure 45mm length. They are slightly larger than the hole in the heat sink but the softer aluminum allows the machine screw to tap threads into it. Gradually screw them through the heat sink across the top, then screw each screw a turn or so back across the top until the amp heat sink pulls away from the recessed area of the subwoofer cabinet. Once the amp plate is free, unscrew the machine screws and save for future use.
Thank you Dan, much appreciated!
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Sources: Linn Klimax DS, Kaleidescape Strato S Amps: MC452 & MC301 Speakers/Subs: Sonus Faber Olympica III’s & Nova CII in Wenge, 2 x JL Fathom 112's w/ Sound Anchor stands Pre/Pro: C1100, MX122 Power: PS Audio P10 Cables: Center speaker-Wireworld Silver Eclipse 8, L/R Speakers-Wireworld Gold Eclipse 7, Kimber Palladian Power Cables, Kimber KS1126 Interconnects Misc: Furutech Flux 50 NSF, Furutech GTX-D NSF outlets, Furutech Boosters
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  #65  
Old 07-08-2018, 11:21 PM
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Gentlemen.......
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STUDIO - McIntosh C1000C/P, MC2301 (2), MR88, Aurender N10, Esoteric K-01X, Shunyata Sigma spdif digital cable, Sonos Connect, PurePower 2000, Stillpoints, Furutech Flux 50, Michell Gyro SE, Michell HR Power Supply, SME 309, Ortofon Cadenza Black, Wireworld, Sonus faber Amati Anniversario
LIVING ROOM - McIntosh C2300, MC75 (2), MR85, Magnum Dynalab 205, Simaudio MOON Neo 260D-T, Schiit Audio Yggdrasil, Aurender N100H, Shunyata Sigma USB cable, Micro Seiki DD40, Ortofon Cadenza Blue, Nakamichi BX-300, Sony 60ES DAT, PS Audio P10, Furutech Flux 50, Sonos Connect, Stillpoints, Wireworld, Kimber, PMC EB1i, JL Audio f113
VINTAGE - McIntosh MA230, Tandberg 3011A tuner, Olive 04HD, Sony DTC-59ES DAT, McIntosh 4300V, JBL 4312A
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  #66  
Old 07-09-2018, 12:10 AM
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I just made this a Sticky Thread.
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MX136, MC1.2KW(10) MC2KW(2), MCD1100, MS750(2) MVP881, C1000C/P/T, MPC1500, HT-2 SUBS(2) HT3F(2) WS350(2) XRT2K, XCS2K, XR27(2) XCS350(2) JL GOTHAM v2 SUBS(2) SILENZIO MUSIC SERVER, LUMAGEN RADIANCE SCALER, SONY VPH-G90U 4K PROJECTOR, STEWART 120" MOTORIZED SCREEN, CINEMA-TECH SEATING, WW PLATINUM CABLES
Reference System: ACCUPHASE A300 AMPS, C3900 PRE-AMP, DP1000 CD/SACD TRANSPORT, DC1000 DIGITAL PROCESSOR, DG-68 DIGITAL EQUALIZER, T1200 FM STEREO TUNER, PS1230 POWER SUPPLY, HRS-SXR CUSTOM RACK w/ M3X SHELVES, TAD REFERENCE ONE MK2 LOUDSPEAKERS, WW PLATINUM CABLES
CAPE COD

MX150, MC501(2) MC1.2KW(10) MC2301(2) MR88, MVP881, MCD1100, MDA1000, C1000C/P/T, MPC1500, ESOTERIC K-01X 30th ANNIVERSARY (BLACK) SACD/CD PLAYER, G02-X CLOCK, HT3F(2) XRT2K, XCS2K, XR27(2) JL GOTHAM v2 SUBS(2) JL FATHOM F113v2 SUBS(4) SOUND ANCHOR STANDS(2) KALEIDESCAPE STRATO & TERRA SERVERS 80-TB, LUMAGEN RADIANCE SCALER, SONY VPH-G90U 4K PROJECTOR, STEWART 120" SCREEN, SONUS FABER STRADIVARI, SILENZIO MUSIC SERVER, FORTRESS SEATING, WW PLATINUM CABLES
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Reference System: BURMESTER 911MK3 AMP(3), 088 PRE-AMP, 089 CD PLAYER, 100 PHONO PRE-AMP, 948 POWER CONDITIONER, ACCUPHASE DG-68 VOICING EQUALIZER, AVID ACUTUS REFERENCE SP TT, GRAHAM PHANTOM II SUPREME ARM, BENZ MICRO LP-S CART, GRANDIOSO P1X/D1X STACK, G1X RUBIDIUM MASTER CLOCK, N05 NETWORK PLAYER, SILENZIO MUSIC SERVER, HRS-SXR CUSTOM RACK w/ M3X SHELVES, SONUS FABER AIDA SPEAKERS, JL FATHOM F113v2 SUBS(2) SOUND ANCHOR STANDS(2) WW PLATINUM CABLES

Library System: GRANDIOSO M1 MONOBLOCK AMPS, C1 LINESTAGE PRE-AMP, K1X CD/SACD PLAYER, G1 MASTER RUBIDIUM CLOCK, E02 PHONO-PRE, SILENZIO MUSIC SERVER, AERIAL ACOUSTICS 20T V2, AERIAL SW12 SUBS(2), CANTON REF K1’s, VPI HRX TT w/ SDS POWER SUPPLY, ORTOFON CADENZA BLACK CART, KLAUDIO RCM, SHUNYATA DENALI 6000/S v2, SHUNYATA OMEGA QR’s, WW PLATINUM CABLES
Esoteric/Bryston System: ESOTERIC C02-X PRE-AMP, P-02X TRANSPORT, D02-X DAC, G02-X CLOCK, BRYSTON 28B3 CUBED MONOBLOCK AMPS(4), BRYSTON BHA-1 HEADPHONE AMP, SHUNYATA DENALI 6000/S v2(2) EVEREST 8000 POWER CONDITIONER(2) ALTAIRA CG & SG HUBS, AMR-DP777-SE DAC, SILENZIO MUSIC SERVER, TAD REFERENCE ONE MK2 LOUDSPEAKERS, QUADRASPIRE RACK, WW PLATINUM CABLES
Accuphase/Canton System: ACCUPHASE E800 INTEGRATED, DP570 CD/SACD PLAYER, T1200 FM STEREO TUNER, DG-68 VOICING EQUALIZER, PS530 POWER SUPPLY, CANTON REF K3’s, CANTON REF K5’s, SILENZIO MUSIC SERVER, HRS MXR REFERENCE MAHOGHANY RACK w/ M3X2 SHELVES, WW GOLD CABLES
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  #67  
Old 07-09-2018, 12:41 AM
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Ivan.......Good idea. I hope this thread helps some owners bring their JL Audio subwoofers back to life without the need to ship them to Florida.
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STUDIO - McIntosh C1000C/P, MC2301 (2), MR88, Aurender N10, Esoteric K-01X, Shunyata Sigma spdif digital cable, Sonos Connect, PurePower 2000, Stillpoints, Furutech Flux 50, Michell Gyro SE, Michell HR Power Supply, SME 309, Ortofon Cadenza Black, Wireworld, Sonus faber Amati Anniversario
LIVING ROOM - McIntosh C2300, MC75 (2), MR85, Magnum Dynalab 205, Simaudio MOON Neo 260D-T, Schiit Audio Yggdrasil, Aurender N100H, Shunyata Sigma USB cable, Micro Seiki DD40, Ortofon Cadenza Blue, Nakamichi BX-300, Sony 60ES DAT, PS Audio P10, Furutech Flux 50, Sonos Connect, Stillpoints, Wireworld, Kimber, PMC EB1i, JL Audio f113
VINTAGE - McIntosh MA230, Tandberg 3011A tuner, Olive 04HD, Sony DTC-59ES DAT, McIntosh 4300V, JBL 4312A

Last edited by jdandy; 07-09-2018 at 10:32 AM.
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  #68  
Old 07-10-2018, 06:19 AM
paazel paazel is offline
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Wow congrats Dan! I wish I had your skills, otherwise I'd try it on my F110!
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  #69  
Old 07-10-2018, 11:34 AM
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Quote:
Originally Posted by paazel View Post
Wow congrats Dan! I wish I had your skills, otherwise I'd try it on my F110!
paazel.......It is not as difficult a task as it may appear. Perhaps you could pull the amp yourself, then have a local tech replace the capacitor for you.

I hope some members give this repair a try. I am relatively confident replacing the capacitor in the stand-by power supply will solve the issue of the subwoofer not powering up.
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STUDIO - McIntosh C1000C/P, MC2301 (2), MR88, Aurender N10, Esoteric K-01X, Shunyata Sigma spdif digital cable, Sonos Connect, PurePower 2000, Stillpoints, Furutech Flux 50, Michell Gyro SE, Michell HR Power Supply, SME 309, Ortofon Cadenza Black, Wireworld, Sonus faber Amati Anniversario
LIVING ROOM - McIntosh C2300, MC75 (2), MR85, Magnum Dynalab 205, Simaudio MOON Neo 260D-T, Schiit Audio Yggdrasil, Aurender N100H, Shunyata Sigma USB cable, Micro Seiki DD40, Ortofon Cadenza Blue, Nakamichi BX-300, Sony 60ES DAT, PS Audio P10, Furutech Flux 50, Sonos Connect, Stillpoints, Wireworld, Kimber, PMC EB1i, JL Audio f113
VINTAGE - McIntosh MA230, Tandberg 3011A tuner, Olive 04HD, Sony DTC-59ES DAT, McIntosh 4300V, JBL 4312A

Last edited by jdandy; 07-13-2018 at 04:58 PM.
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  #70  
Old 07-10-2018, 01:30 PM
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Quote:
Originally Posted by jdandy View Post
Mike.......Thanks. A bit of positive energy never hurts.

My research has turned up several people's f113's that have been successfully restored by replacing the 100uf/35volt/85C cap (red arrow) with a 100uf/35volt/105C cap. I may also replace the 33uf/400volt/85c cap (yellow arrow) with a 33uf/400volt/105C cap. I should have the two capacitors by Friday. I hope this solves my issue of the subwoofer not powering up. If not then the amp will get shipped to JL Audio for repair. I did find a fuse on the circuit board. It checked good. Shipping a 33 lb amp will be much easier and cheaper than shipping a 147 lb factory carton by freight.
Dan, where did you source the caps? Thanks!
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