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ngchaisoon's Main System ---- 2 channel System
IP Address: Last Update: January 08, 2009 at 17:11:04
Amplifier: 2 units Plinius SA250 mk4 in monoblock mode for bass. 1 unit Plinius SA-REF for mid/high. All in class A mode.
Preamplifier (or None if Integrated): DIY Bent audio silver TX 102 mk2 passive transformer volume control (monoblock).
Speakers: Magneplanar MG 20.1 with internal xo and wires mod./fuses bypassed (North Creek Music coils: tweeter = 0.6mH 12AWG, midrange = 1.12mH 14AWG. Original value 0.6mH 14AWG and 1.12mH 16AWG. Sprague Vitamin Q PIO caps: tweeter = single 10uF 600V, midrange = single 10uF 600V + two 1.0uF 400V )

2 mono diy Marchand XM1 active crossover with independent power supply(upgraded with Paul Hynes regulators) for bass channel. Passive mid/high channel crossover at amp input using Audio Note 0.01uF silver caps.
CD Player/DAC: DIY Philips CD PRO 2 transport with Tentlabs xo3.2 clock, Altmann Attraction DAC. Total 7 pcs Paul Hynes power supplies: 4 pcs for transport and clock, 3 pcs for dac. DAC output caps removed and jumpered with silver wire..
Turntable/Phono Stage: none
Other Source(s): none
Other Accessories/Room/Misc.:
Speaker Cables/Interconnects: Amps connected directly to speaker internal wires. Changed all internal wires to 12awg solid core silver ( tweeter-single run, midrange-double run, bass-triple run ). Slinky Link pure silver interconnect for bass and only 4 inches length Neotech 24awg solid core silver for mid/high.
Other (Power Conditioner, Racks etc.): Passive Vibraplane for source. DIY 1 inch square solid aluminium alloy bars/brackets for speaker bracing/supports. All power cords DIY using 3 runs 12 awg solid core silver with teflon tubes.
Tweaks: ASC bass traps : 2 16 inches full round supertrap(3ft high), 4 16 inches full round basstrap(3ft high), 6 11 inches full round (3ft. high), 2 square ASC tower traps (6.5ft high), 6 pcs 16in. quarter round ASC tube traps (5ft high).

RPG: 6pcs skyline diffuser, 10pcs abflector, 16pcs omniffusors(copy), 4 pcs 734(copy, 4ft high), 2pcs 734(copy, 2ft high).

Onix: 32 diffusers ( similar to RPG skyline )

2 pcs eggcrate foam 3 ft x 6ft each.
Room Size (LxWxH): 17 ft x 12.5 ft x 8.5 ft
Room Comments/Treatments: Room too small for the speakers but with proper placement and room treatment, the result is excellent.
Music Preferences and Comments:
Music Used (Genre/Selections): Any good recording.
System Goals/Comments: To sound as natural as possible.
System Strengths: There is emotion in the sound.
System Weaknesses: Does not sound good at low volume.
Video/HT System: None

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