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knotscott 's My Keeper System System
IP Address: Last Update: December 30, 2023 at 07:26:51
Amplifier: Twin Dynaco/VTA ST-70 used as single channel monoblocks with a Kenwood integrated amp in a hybrid tube/SS bi-amp configuration
Preamplifier (or None if Integrated): Lazarus Cascade Basic
Speakers: Sterling Acoustics "Acumen II" transmission line with 8" Focal kevlar woofer (active low pass < 80hz), 5" Focal kevlar midbass, modified Seas tweeter, proprietary passive crossover, acoustic roll off high pass @ ~ 80hz (no series cap with the midbass). Definitive Technology Powerfield 15 subwoofer, < 50hz
CD Player/DAC: Denon DCM-440/Topping E30 DAC
Turntable/Phono Stage: Modified Audio Technica LP-120XUSB with Nagoaka MP150/JN-P500 stylus, fed by a modified Hagerman Bugle 3 phono stage
Other Source(s): Thorens TD-124 Mk1, Dual 1215S, Sansui SR-1050E, Scott PS-67A, Pioneer PL-112D, Hitachi HT-60S
Other Accessories/Room/Misc.:
Speaker Cables/Interconnects: Monoprice 4-conductor/12 awg OFC, Furutech FA-aS-22
Other (Power Conditioner, Racks etc.): Lightspeed CLS 3200
Tweaks: Bi-amp/tri-wired - Tubes to the mids/highs, SS/active crossover to the woofers below 80hz. Tung Sol 7581A output tubes, using Convergent (CAT) capacitors throughout. TT has a cork/rubber mat, platter undercoated with flex-seal, record weight/clamp, added grip tape to counterweight for additional mass and to move the pivot point up, Navcom pucks under feet.
Room Size (LxWxH): 24 x 20 x 9
Room Comments/Treatments: wall to wall carpet, lots of upholstered furniture, open on one back corner to a an area with a vaulted ceiling.
Music Preferences and Comments:
Music Used (Genre/Selections): Folk rock, jazz, vocals, classical, rock, blues, rockabilly.
System Goals/Comments: It took me > 30 years to get here...I just wanna enjoy it. The speakers were approaching state of the art in the early 1990s, and have a well tweaked crossover of very high grade parts...as the system has evolved, they just keep sounding better.
System Strengths: This system has excellent clarity and separation, a huge wide sound stage with delicate detail that's open and natural. Vocals float with very low coloration, very low sibilants, and lots of "aaaahhhh" factor. Impressive sound, but not an "in your face" manner....it's well behaved, very easy and inviting to listen to. Poor man's high-end on a budget tastefully done.
System Weaknesses: High volume ain't happening...100-103db tops, but I almost never go there. Floor is suspended ply over joists, and makes noise when walked on, so it is likely a factor in bass at higher volumes. It's an old school stereo system not integrated with the flat screen TV, but man that would be fun for movies!
Video/HT System: None
TV/Projector: SONY 55" flatscreen
Sources (DVD/VCR): Phillips
Other Interests/Hobbies/Occupation: Woodworking, speaker building, tube amp/guitar amp buiding, PC building, water skiing

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