Stereo Amplifiers Rockwall TX

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Lone Star Audio Video
(214) 762-2066
P.O. Box 751
Rockwall, TX
Services
Audio / Video, Home Automation / Systems Integration / Home Networking, Home Theater, Lighting Control, Multi-Room Audio
Brands
Interga, Marantz, LG, Samsung, Polk Audio, Jamo, Infocus, JVC Professinal, Canton, Elan, Russound, Atlantic Technologies
Certifications
One or more employees at this company have achieved CEDIA Professional Certification status:- Jeb Lewallen, CEDIA Certified Professional EST II

Perfect Installations
(469) 774-2906
7509 Bayhill Dr.
Rowlett, TX
Services
Audio / Video, Home Automation / Systems Integration / Home Networking, Home Theater, Multi-Room Audio, Security / Access Control / Surveillance / Gate Access
Brands
Runco,Digital Projection,JVC,Stewart,Middle Atlantic,Bryston,McIntosh,Atlantic Technology, Dali,Audio Quest,Cinematech,Crestron, RTI,Niles,Speakercraft,Induction Dynamics, Panasonic,LG,NAD,Onkyo,Denon,PSB,Escient, Sonance,Marantz,Yamaha
Certifications
One or more employees at this company have achieved CEDIA Professional Certification status:- Jim Wardlaw, CEDIA Certified Professional EST II

SAMS CLUB
(972) 496-3956
5150 North Garland Avenue
Garland, TX
Recycling Services
Recycle Ink - No landfill guarantee

Heavenly Home Theater
(972) 808-0000
1300 East ArapahoSte. 101
Richardson, TX
Services
Audio / Video, Central Vac, Home Theater, Lighting Control, Multi-Room Audio
Brands
Polk Audio, Matix Audio, AudioQuest, Canton, Earthquake, Bose, Rockustics, SpeakerCraft, Zenith, Fujitsu, InFocus, Sharp, Philips, Netstreams, Integra, JVC Pro, Draper Screens, OnQ, Lutron Radio RA, Marantz, Sim2 and Nevo remotes.
Certifications
One or more employees at this company have achieved CEDIA Professional Certification status:- Anthony McCormack, CEDIA Certified Professional EST II

Audience Inc.
(214) 726-9089
4906 Shady Knolls Drive
Parker, TX
Services
Audio / Video, Home Automation / Systems Integration / Home Networking, Home Theater, Lighting Control, Multi-Room Audio, Multi-Room Controls, Multi-Room Video, Satellite, Telephone Systems, Wire and Cable / Power Management
Brands
AMX, Crestron, Elan, Escient, Lutron, Sunfire, Martin Logan Samsung, Denon, Sharp, Velodyne, Universal Remote Controls, Chief, KEF, Monster Cable, Stewart, Middle Atlantic, Xantech, Leon.
Certifications
One or more employees at this company have achieved CEDIA Professional Certification status:- Jonathan Jolley, CEDIA Certified Professional EST II

Intelligent Electronics
(972) 475-9396
3205 Century Drive
Rowlett, TX
 
Best Buy
(972) 530-6818
3171 N President George Bush
Garland, TX
 
Eric Grundelman's Cool AV
(972) 288-8978
313 Clay Dr.
Mesquite, TX
 
Paul Labute, Inc. ~Founding Member~
(214) 744-2155
10735 Sandhill Road
Dallas, TX
Services
Audio / Video, Home Automation / Systems Integration / Home Networking, Home Theater, Lighting Control, Multi-Room Audio
Brands
Lutron, Avaya and Panasonic Phone Systems, HAI security and automation Sony, Sony ES, Paradigm, Speakercraft, Russound, AMX, Anthem, Snell Acoustics, Stewart Filmscreens

Sound Image
972- 50-3443
3330 Earhart Drive #214Suite 214
Carollton, TX
Services
Home Audio, Design & Installation, Appointment Only

pass250

POSITIVE FEEDBACK ONLINE - ISSUE 6

pass labs

X250 stereo amplifier

as reviewed by Mark Katz

pass9.jpg (35267 bytes)

Photos taken by Dave Clark in his system

   

The Pass X250 is the 2nd from the bottom of the Pass X series amp line. The smallest is the not so small X150, at 150 watts/channel and at the top are the 1000 watt per monobloc X1000 amps. These amps succeed the excellent Aleph series. The X250 weighs in at 100 pounds, but can be carried by two people with the help of the rear mounted handles. The front has a circular power switch and an attractive blue glowing meter that I believe conveys how much current the amp needs to draw. Wing-like protrusions that can be used as handles surround the meter and the whole amp has a brushed silver look. The back of this rather hefty stereo amp sports both single ended and balanced inputs and clever, large binding posts that are very easy to hand tighten. The binding posts are good for spades, but can’t be used on bananas since there’s nowhere to plug them. Also on the back is the obligatory IEC receptacle for the power cord, and the main power switch. The amp’s operation is intuitive. The manual gives the Nelson Pass design philosophy of low noise, very low distortion, achievable with only 2 stages of amplification and low global feedback using "Supersymmetry" and balanced circuitry. His discussion of distortion minimization makes good reading – in the user’s manual http://www.passlabs.com/pdf/x250man.pdf . Of course, the proof is in the implementation

pass8.jpg (36466 bytes)

I unplugged the Kora Cosmos amps and plugged the Pass X250 directly into a dedicated 20 amp outlet using a fairly hefty Tiff power cord. The rest of the system used included a CEC TL1 transport with Marigo Signature digital interconnect into an Audio Magic modified Kora Hermes 192/24 tubed DAC, Kora Eclipse tubed preamp hooked together with Goertz Triode interconnects. The amp drove the JM Labs Mezzo Utopias, a fairly flat 4 ohm, efficient load through shot-gunned (one run on each terminal) Kimber 8TC. The low powered equipment was plugged into an API Powerwedge 116 II, with the preamp into a non transformer filtered outlet. The amp changed the character of my system. Gone was the seductive sound of the Kora Cosmos, in came POWER. The first thing I noticed was a sense of the music becoming more dynamic. On my speakers, it seemed effortless and amazingly energetic. It sounded as if the dynamics of the performances were brought closer to the original. With the possible exception of very high efficiency horn speakers, dynamics of the music reproduced is markedly diminished compared to the original. Many people deride this type of speakers for poor tonal balance and a honky, "cupped hand" sound and with a few exceptions, they’re right. Despite this they can convey lively dynamics that would otherwise be far more compressed on more "audiophile approved" speakers....

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