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Chas's Main System
IP Address: Last Update: January 07, 2023 at 10:38:13
Amplifier: Triamp System.

High pass: pair of Mark Levinson No. 434 monos.

Or: DIY tube monoblocks with four KT120 per channel, fully balanced with zero global NFB, Plitron toroidal output transformers with cathode coupling.

Or: DIY fully balanced tube mono blocks with 5692/6SN7, KT66/6L6GC, Hammond 1726 output transformers with cathode coupled secondaries and no global feedback.

Band Pass: Crown XTi 2002 driving the two JBL 2245H woofers directly (40-290 Hz).

Low Pass: Crown XTi 4002 driving two JBL SUB-1500's below 40 Hz.

Preamplifier (or None if Integrated): Mark Levinson No. 326S with optional phono.

MM external phono preamps:

DIY AD797 based negative impedance design. Configured for Ortofon 2M Black as well as both V15 versions described below.

DIY OPA134/AD797 based passive RIAA.

DIY passive RIAA tube phono preamp.

Step up devices:

IPC (WE) SUT's, AD797 based active step up or Altec/Peerless 15095.
Speakers: JBL 4345 with TAD TD 2002 HF Be drivers, Hovland crossover caps. Below 40 Hz, two JBL SUB-1500's in sealed 3 cu. ft boxes.

Altec Valencia 846B with GPA902 drivers, Hovland high pass and Solen low pass caps, stock inductors.

Marchand or DIY fourth order electronic crossovers.

CD Player/DAC: SACD/CD player: Sony SCD-XA777ES,
CDR: Sony CDR-W33.
Bryston BDA-1 DAC.
Turntable/Phono Stage: See phono preamps above.

Thorens TD-124 with Jelco 750LB 12" tonearm.
Various cartridges:
Linn Akiva
Denon 103R
Ortofon 2M Black
Stanton 881S with Shibata stylus
Shure V15 III with Shibata stylus
Shure V15 IV with generic stylus
Other Source(s): Revox A77 IV / Onkyo T-9090 (both modified/pooged)

Other Accessories/Room/Misc.:
Speaker Cables/Interconnects: Cardas, Mogami , Canare. Speaker cables are Canare.
Room Size (LxWxH): ~25 x ~12 x 7
Room Comments/Treatments: Sonex acoustic foam applied to sidewalls.
Music Preferences and Comments:
Music Used (Genre/Selections): Ambient, Jazz, Rock, Pop, some Classical.
System Goals/Comments:
System Strengths: Awesome detail and dynamics!
System Weaknesses: None I worry about.
Video/HT System: Separate
TV/Projector: Sony 55" LCD XBR HD
Processor/Receiver/Amplifiers: Sony STR-ZA1100ES
Speakers (Center, Surrounds, Sub): JBL 4430's, Custom DIY JBL 175DLH based Center channel, Camber surrounds. Tannoy PS-350 15" Active Sub
Sources (DVD/VCR): Sony DVD, HD Digital Cable, streaming.
Other Interests/Hobbies/Occupation: Retired

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