Publisher Profile

Ed Momkus

Senior Reviewer

EQUIPMENT: My front-end is powered via a dedicated 15-amp electrical circuit using 2 different duplex outlets: one Wattgate 381 Gold outlet and one Walker Audio High Conductivity outlet. An Isoclean PT 3030G III Isolation transformer connected via a Isoclean Super Focus power cord runs from the wall outlet to a Lessloss Firewall. Lessloss DFPC Signatures from the Firewall power a Qsonix Q105 modified by Empirical Audio to run with Empirical’s Pace Car reclocker and Monolith battery supply. The modded Q105 sends the digital signal to an MBL 1611f DAC, which in turn sends the signal to a Pass Labs XP-30 preamp. Additional signal processing is performed post XP-30 by a Lyngdorf RP-1 room correction device and the BSG Technologies QOL Signal Completion Stage (yes, I know – it sounds like a lot of processing – but come listen: it works fabulously). All of these are fed power from the Lessloss Firewall by way of DFPC Signatures. I run a combination of Silent Source Music Reference, Tara Labs Zero Gold and Lessloss Tunnelbridge balanced interconnects throughout the system. Amplification is provided by Electrocompaniet Nemo and Nada monoblocks in passive bi-amp mode, or currently the 2-piece Pass Labs XS300 monoblocks. The Nemo's and Nada’s are slightly “modded” by aftermarket fuses – highly recommended if you like a richer sound and “larger” performers. The Pass Labs/Nemos are connected to Vivid G-1 Giya's via 2 pairs of Silent Source Silver Signature speaker cables – one pair for bass and one pair for the treble. Each set of the left and right biamping monoblock pairs is powered by its own dedicated 20-amp electrical circuit, which feeds power to the Nemo via a LessLoss DFPC Signature power cables. The outlets for the two 20-amp circuits are Walker Audio High Conductivity outlets and the power cords are Lessloss DFPC Signatures combined with two additional Lessloss Firewalls – one for each circuit. ROOM TREATMENTS. Three ASC 78” Tower Traps; two ASC 48” Tower Traps; one 16” diameter ASC Tube Trap; two ASC Sub Stands; eighteen ASC Wall Panels; two Echobusters Quarter Round Corner Traps. THE ACCESSORIES. These should be considered as important as the room, the main equipment and the room treatments. Three Target Dual Wall Mount Turntable Shelves for the front end equipment; Walker Audio Prologue Reference Amp Stands for the monoblock amps; Walker Audio Valid points and discs for the MBL 1611F, the Lyngdorf RP-1 and the amps; and fourteen Zcable Z-sleeves (Heavy and Extra Heavy) for all cables. MUSICAL TASTES. I listen 60% to rock, 30% to jazz and 10% “other”. A well-balanced full-range sound is a given. In this context, bass definition and slam are critical since pace, rhythm and timing fail in a full-range system that does not have well-defined bass. (In my opinion, a tight limited low frequency system sounds better than a flabby unlimited bass system.) Imaging is also important, along with good depth in the soundstage. Though I like a wide soundstage, depth is more important to me than width since I prefer a 15th row perspective to a 1st row perspective. Finally, I cannot stand glare, and I do not want to give up high frequency definition, so I have worked hard to find components that produce a well-defined sound without sounding “screechy”. MISCELLANEOUS. Though I am obviously a tweaker, once I find a good tweak I want to leave it alone. In the past 5 years I have focused on building a natural-sounding solid state system that is all-digital in its sources.

System
						Analog Front End
None
						Digital Front End
Qsonix Q105 modified by Empirical Audio MBL 6011F DAC Pass labs XP-30 preamp BSG technologies QOL Signal Restoration Stage Lyngdorf RP-1 digital room correction
						Amplification
Elecrocompaniet NEMO and NADA monoblocks in biamp mode Pass Laboratories XS300 monoblocks
						Cabling
Tara Labs Zero Gold interconnect Silent Source Music Reference interconnect Silent Source Silver Signature interconnects Lessloss Tunnelbridge interconnect system Silent Source Silver Signature loudspeaker cables Isoclean Super Focus power cord LessLoss DFPC Signature power cords
						Speakers
Vivid G-1 Giyas
						Headphones
None
						Home Theater
Pioneer Pioneer Elite dv38 Sony SPD-EP9es Surround Pre Proceed HPA-3 B & W Loudspeakers SCM 1 Monitors B & W Loudspeakers Nautilus HTM-1 N H T Sub Two (2) ASC Substands (2)
						Accessories
Isoclean fuses Quantum Products Symphony Pro Walker Audio High Conductivity outlets Lessloss Firewall power conditioners Isoclean PT 3030G Isolation transformer Wattgate 381 Gold outlet Zcable Z-sleeves - Heavy, Extra Heavy (14)
						Room Treatment
ASC 78" Tower Traps (3) ASC 48" Tower Traps (2) ASC 16" diameter Tube Trap (1) ASC Sub Stands (2) ASC Wall Panels (18) Echobusters Quarter Round Corner Traps (2)
Articles & Reviews
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LessLoss Firewall Power Distributor Review

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Upgrade Company Esoteric P70 CD Transport and D-70 DAC Digital System Review

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