Audio Asylum - Inmate Systems

smuttner's 4-way with Marchand amplifiers and active crossovers System
IP Address: 24.78.175.243	Last Update: August 27, 2007 at 21:15:16
Amplifier:	2 Marchand class"AB"mono blocks 400 watt/4 ohm;MB301 cabinets,MB401 main boards with some Black Gate caps,PS11 power supplies with Hexfreds. 2 Marchand class"A"monoblocks 30watt/4ohm; MB301 cabinets,PM224 main boards with Black Gate caps and Dale resistors,PS11 power supplies with Hexfreds. 2 Marchand class"A" monoblocks 18watt/4ohm; MB301 cabinets,PM124 main boards(stock parts),PS11 power supplies with Hexfreds. All purchased from Phil Marchand piecemeal. Modified Kiega Subwoofer amp 600watt?/2ohm.
Preamplifier (or None if Integrated):	Curcio"Daniel 1"home built preamp with Rikenohm and Caddock resistors,RTX Polystyrene caps,Cardas AWG 19.5 Litz wire, Alps attenuator and NOS Telefunken 6DJ8 tubes. Seperate cabinet for Black Gate power supply with Hexfreds. Both cabinets damped with "Soundcoat".
Speakers:	Home built 3-way;BG Planar tweeter,Vifa PL13 midrange in MTM configuration sealed box QTS=.8,dual Seas P21RE mid woofers sealed box QTS=.8, 96db 1 watt/ metre. MTM box is inside main box. Home built subwoofer; 2-NHT 1259's in parallel,2 ohm,box QTS=.75 96db 1 watt/metre. Marchand XM-9 and XM-9-3 for a 4-way active crossover.24db/octave crossover points at 50HZ,400HZ,2500HZ. Marchand "BASSIS" Bass Parametric EQ. The XM-9-3 has attenuators. All signal wire is Cardas AWG19.5 Litz wire. All attenuator or potentiometer wire is AWG24 silver plated OFC. All use OPA 2134 op-amps running in class"A" (cascoded J-fets). All use Black Gate FK in power supplies and on boards. All purchased from Phil Marchand piecemeal.
Sources:
CD Player/DAC:	Modified Nad C541;Black Gate caps,Shottky diodes, Trichord clock,separate transformer and Black Gate power supply for clock.Cabinet and transport damped with "Soundcoat". 4 brass spiked feet. Home built sample rate convertor/digital to analog convertor from Crystal evaluation boards 96khz/24bit,Lundahl transformer output.
Turntable/Phono Stage:	None
Other Source(s):	None
Other Accessories/Room/Misc.:
Speaker Cables/Interconnects:	Goertz MI2 AWG10/woofers. Goertz MI1 AWG13/midrange. QED AWG14 silver plated OFC/tweeter. Silver sonic BL-1 interconnects(most). Silver sonic D-75 co-ax( CD player to SRC/DAC). Goertz micro purl silver interconnects(some).
Other (Power Conditioner, Racks etc.):	I modified my cheap pressboard audio stand by cutting two slots in the very bottom (to match up with the class"A" amps heat sinks)and installing a fan and manifold system for cooling.The fan is inaudible. 2 dedicated 20 amp lines. No Power Conditioner;The power is clean,cheap and plentiful up here in Winnipeg.
Tweaks:	I am constantly tweaking one thing or another.
Room Size (LxWxH):	30 FT x 30 FT x 7FT
Room Comments/Treatments:	None
Music Preferences and Comments:
Music Used (Genre/Selections):	All kinds of music depending on my mood.
System Goals/Comments:	To get the best possible sound on my beer budget.It took me six years to get to this point,I'm hooked.
System Strengths:	Very detailed natural sound.
System Weaknesses:	Listening room is also workshop.
Video/HT System: None