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JL Audio Ahead of the Curve

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Old 01-06-2018, 05:47 PM
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Default Loving my New CR-1

In my new room here in SC, I knew I had issues with the low end. Between my ears and measurements with REW, there were a number of problem areas. After many days of listening, moving speakers and measuring, I finally have decided to keep the Strads on the long wall of my 23’2”L x 16’W x 10’H room. They are 12’ apart and the listening position is 11’ away. They are 32” from the front wall and my LP is 35” from the back wall. The Fathom 113v2 is to my left 7’ from the front wall and 32” from the side wall.

I will spare you the evolution of measurements but suffice it to say, there was a peak at 50-60Hz and a null around 100 Hz. Both caused primarily by the Placement of the Strads.

I decided to connect my new CR-1 with The Xovers set at 110 to reduce the impact of the Strad placement and was immediately rewarded with better bass. Adjusting the sub/Strads balance improved it further and then I plugged the Strads low end port, adjusted the HP crossover contour to what sounded better, adjusted the Phase on the Fathom per Barry Ober’s instructions and WOW!!

Could it better? Sure, it still measures ‘bumpy’ but less so than without the CR-1 and it sounds bloody fantastic which is all that matters!

The Strads are casting a very wide, open and detailed, Black sound stage and the low end is seamless, deep and sometimes, downright scary.

The ease with which the CR-1 allowed me to do this was impressive.

I am a believer.
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Main room - Sonus Faber Stradivari, JL Audio F113v2 & CR-1 Crossover, McIntosh MC2301 Amplifiers with Stillpoint Ultra SS feet, McIntosh C1100 on Stillpoint Minis, Esoteric K-03X on Stillpoint Minis, Cybershaft Ultimate 2 OP17 on Stillpoint Minis, SilenZio v.2 Audio by -E- Media Server (running ROON), GigaFoil v4, Keces P3 with Ghent PC, 9 M Supra Cat 8+ and 0.65 M Revelation audio ethernet cables.

Other - 2 Stillpoint Apertures, GIK Bass Traps, Vicoustics Waveguide panels, Shunyata Alpha Clock 75 1.5 meter BNC, Shunyata Alpha 1.5 meter USB, WW Gold Eclipse 7 SCs, WW Silver Electra 7 PCs, WW Silver Eclipse ICs; 3 X 20 Amp Power lines, PS Audio P10 & Dectet, 3 Sound Anchor stands, Powerports and numerous Noise Harvesters. Furutech Flex 50, Cable risers, HRS dampeners

TV Room Audio - Panasonic TC-P60GT50, McIntosh MX-121, MC7106, Revel F52 & C32, B&W LM1, Sonos Connect\W4S Remedy\iFI 9V Power, WW & Kimber cables, PS Audio Dectet

Last edited by crwilli; 01-06-2018 at 11:51 PM.
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Old 01-06-2018, 06:09 PM
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It’s good to hear your new listening room is coming together. Time to just sit back and enjoy.
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Old 01-06-2018, 06:36 PM
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patience is a virtue, all good Craig !
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Old 01-06-2018, 06:49 PM
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I am using the CR-1 aswell along with Ober's setup and it worked very well for me. Integrating subs correctly can be a challenge but the cr-1 makes it much easier. I especially like the ability to independently turn mains and subs on and off which was helpful when setting phase/gain.
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Old 01-06-2018, 08:05 PM
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Craig, the CR-1 is a serious tool for subwoofer integration. Enjoy!
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Old 01-06-2018, 08:09 PM
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Craig, what are you using to measure the frequency response of your system/room?
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Old 01-06-2018, 08:45 PM
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Congrats, Craig!! You made some very smart choices. And, I think Barry Ober’s system is ingenious. I also think that time domain resonance matters more than a table top flat frequency response. Did you happen to run a waterfall graph?
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Old 01-06-2018, 09:15 PM
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Craig... I am very glad to hear you are enjoying your new CR-1
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Reference System: ACCUPHASE A250 AMPS, C3850 PRE-AMP, DP950 CD/SACD TRANSPORT, DC950 DIGITAL PROCESSOR, DG-58 DIGITAL EQUALIZER, T1200 FM STEREO TUNER, PS1230 POWER SUPPLY, HRS-SXR CUSTOM RACK w/ M3X SHELVES, TAD REFERENCE ONE MK2 LOUDSPEAKERS, WIREWORLD 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, AVID ACUTUS REFERENCE SP TT, GRAHAM PHANTOM II SUPREME ARM, BENZ MICRO LP-S CART, GRANDIOSO P1/D1 STACK, G01X RUBIDIUM MASTER CLOCK, N05 NETWORK PLAYER, SILENZIO, HRS-SXR CUSTOM RACK w/ M3X SHELVES, SONUS FABER AIDA SPEAKERS, JL FATHOM F113v2 SUBS(2) SOUND ANCHOR STANDS(2) WIREWORLD PLATINUM CABLES

Library System: GRANDIOSO M1 MONOBLOCK AMPS, C1 LINESTAGE PRE-AMP, K1 CD/SACD PLAYER, G1 MASTER RUBIDIUM CLOCK, E02 PHONO-PRE, SILENZIO, 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, WIREWORLD PLATINUM CABLES
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Accuphase/Canton System: ACCUPHASE E650 INTEGRATED, DP560 CD/SACD PLAYER, T1200 FM STEREO TUNER, PS530 POWER SUPPLY, CANTON REF K3’s, CANTON REF K5’s, SILENZIO, HRS MXR REFERENCE MAHOGHANY RACK w/ M3X2 SHELVES, WIREWORLD GOLD CABLES
Bryston Active System: BP26 PRE-AMP, MPS2 POWER SUPPLY, BAX-1 CROSSOVER, BDA-3 DAC, BDP-3 PLAYER, BCD-3 CD PLAYER, BIT15(2), MODEL T ACTIVE SPEAKERS, 21B3 CUBED AMPS, SILENZIO, TARGET RACK, WIREWORLD SILVER CABLES
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Old 01-06-2018, 11:52 PM
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Quote:
Originally Posted by Cohibaman View Post
Craig, what are you using to measure the frequency response of your system/room?


I am using REW software with a UMIK USB mic and an HP Latitude laptop. Works like a charm!
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Main room - Sonus Faber Stradivari, JL Audio F113v2 & CR-1 Crossover, McIntosh MC2301 Amplifiers with Stillpoint Ultra SS feet, McIntosh C1100 on Stillpoint Minis, Esoteric K-03X on Stillpoint Minis, Cybershaft Ultimate 2 OP17 on Stillpoint Minis, SilenZio v.2 Audio by -E- Media Server (running ROON), GigaFoil v4, Keces P3 with Ghent PC, 9 M Supra Cat 8+ and 0.65 M Revelation audio ethernet cables.

Other - 2 Stillpoint Apertures, GIK Bass Traps, Vicoustics Waveguide panels, Shunyata Alpha Clock 75 1.5 meter BNC, Shunyata Alpha 1.5 meter USB, WW Gold Eclipse 7 SCs, WW Silver Electra 7 PCs, WW Silver Eclipse ICs; 3 X 20 Amp Power lines, PS Audio P10 & Dectet, 3 Sound Anchor stands, Powerports and numerous Noise Harvesters. Furutech Flex 50, Cable risers, HRS dampeners

TV Room Audio - Panasonic TC-P60GT50, McIntosh MX-121, MC7106, Revel F52 & C32, B&W LM1, Sonos Connect\W4S Remedy\iFI 9V Power, WW & Kimber cables, PS Audio Dectet
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Old 01-06-2018, 11:53 PM
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Looking forward to hearing from you tomorrow after an evening of your listening with the CR1.
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Two Channel: McIntosh C2300 preamp, MC601 amps x2, MR88 tuner, MEN220; Esoteric K-03X; Aurender N100C 4TB; B&W 802D2 Diamonds, JL Audio F113V2 x 2 on Sound Anchor Sub Stands; VPI Classic Signature Piano Black, Ortofon Cadenza Black, VPI SDS, periphery ring, StillPoints center weight, Gingko Audio ClaraVu Dust Cover CT, KAB SpeedStrobe, Dr. Feickert Analogue Protractor; Sonos with W4S digital modification to W4S Remedy to Esoteric; W4S PS1 Linear Power unit for the 2x Remedy and Recovery w/ W4S PS1 Power Cord; Torus RM20; Wireworld Silver Series 7 Electra/Starlight/Eclipse cables and WW Platinum Power Cord for Amps and Platinum USB for Aurender; KLAUDIO RCM; Steve Blinn Designs extra wide three shelf rack; GIK Acoustics panels and bass traps, StillPoints Ultra Minis under all gear and Stillpoint Ultra SS under amps and speakers.
Home Theater 7.2: McIntosh MX150, MC452, MC207; B&W 803D2 Diamonds, HTM2 center, CWM7.3 surrounds; JLAudio F112 x2 subs; Panasonic TC-P65ZT60 65" Studio Master Plasma; Oppo 205; Crown FM Two Tuner; Sonos with W4S Remedy; Apple TV; Furman Elite 20 amp PFi x2; WW and AQ Cables/Cords; Salamander Synergy Four Bay Cabinet
Office 2ch with McIntosh vintage refurbished gear: McIntosh MC275V6 x2 tube amps; Klipsch Cornwall I vintage speakers (1982); AQ Dragonfly Red DAC/Jitterbug/cables; PS Audio Dectet Power Center; Mcintosh C28, MC2105, MR78 (with mod), MQ101, each with original walnut cabinet and panloc (1976), MCD7008 (1996), ML1C speakers (1976); Bang & Olufsen Beogram 4002 turntable (1976) with new SoundSmith SMMC20CL cartridge (2015); Salamander double rack
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