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Monday, May 13, 2013
Jerrold Stevens
05/13/13 03:21 PM,
Ever have one of your friendly amplifier reps walk in your office to present their new mondo-gazillion-watt beast and point out the damping factor spec of greater than a bazillion? Why, gee-whiz! That’s like 10 times more than the other guy! It must be awesome! Right? Well, as we have seen before, it depends on how you are going to use it. Let’s start with defining damping factor and see what it means to us. Amplifier damping factor is defined…
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Thursday, February 14, 2013
Bill Sapsis
02/14/13 05:05 PM,
Motorized winches. Lift machines. Line shaft winches. Cable drum winches. Whatever you want to call them, they’re everywhere these days, with more coming. To ride the wave, however, a lot more understanding has to be brought on board. (Get it? Wave…board?) Winches that are designed to lift scenery, lighting or other heavy stuff is what we’re talking about. Please don’t confuse them with machines used for opening and closing curtains on traveler tracks. They are a whole different animal and…
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Tuesday, January 29, 2013
PSW Staff
01/29/13 01:07 PM,
Atlona today announced that the company is now shipping its HDMI extenders featuring HDBaseT-Lite technology. This extender family sends audio, video, and IR control over a single category cable. The low-cost AT-HDTX (transmitter) and AT-HDRX (receiver) are ideal for moderately-priced home theater installations, extending 1080p up to 230 feet. The AT-HD-IR extender series offers the same solid reliability of HDBaseT-Lite with the addition of IR control functions. Both pairs feature Power over Category Cable (PoCc) to eliminate a power supply…
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Tuesday, January 15, 2013
PSW Staff
01/15/13 10:32 AM,
Hannay Reels will exhibit a full line of cable reels specially made for the music industry in Hall A, Booth #6695 at the 2013 NAMM Show, Jan. 24-27 in Anaheim. Visitors to the Hannay booth can register to win an AVC16-10-11-DE portable cable reel, which is designed to easily and safely manage cable where long lengths are payed out over a large area. Small and lightweight for easy transport, this versatile reel comes equipped with a crank handle permanently attached…
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Thursday, January 03, 2013
PSW Staff
01/03/13 04:03 PM,
Kramer Electronics is pleased to introduce the C-HM/HM/PRO high-speed HDMI cable with Ethernet capability. Kramer’s C−HM/HM/PRO is designed for advanced equipment installations that require high speed cable connections to ensure a high definition experience with maximum audio and visual impact. Kramer’s C-HM/HM/PRO is a high speed HDMI cable that supports the HDMI Ethernet Channel (HEC) as well as all the latest-generation features in the HDMI version 1.4 standard, including Audio Return Channel, 3DTV, and 4K resolution capability. The C-HM/HM/PRO features…
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Thursday, April 26, 2012
PSW Staff
04/26/12 05:43 PM,
Extron is pleased to announce the addition of three new models to the Retractor series, a cable retraction system for Extron Cable Cubby series cable access enclosures. The Retractor provides a discreet, convenient solution for accessing AV cable connections and then storing them effectively. New models include the Retractor VGA-A, the Retractor DC and the Retractor VGA SM. The Retractor VGA-A combines VGA and 3.5mm stereo audio in a single Retractor module, providing a cost-effective option for VGA and audio…
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Friday, April 13, 2012
Dennis A. Bohn
04/13/12 01:34 PM,
This article is provided by Rane Corporation. Wye-connectors (or “Y”-connectors, if you prefer) should never have been created. Anything that can be hooked-up wrong, will be. You-know-who said that, and she was right. A wye-connector used to split a signal into two lines is being used properly; a wye-connector used to mix two signals into one is being abused and may even damage the equipment involved. Here is the rule: Outputs are low impedance and must only be connected…
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Thursday, April 05, 2012
John Roberts
04/05/12 02:46 PM,
Too many good folks have been separated from their hard earned money by hyperbolic claims about loudspeaker wire. There will always be people with more dollars than sense, but they don’t last very long in professional audio. I speculate there aren’t many (if any) of you who would pay thousands, or even tens of dollars per foot for speaker wire. A very basic practice in merchandising is called differentiation. Marketers must come up with reasons for why you should buy…
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Al Keltz
04/05/12 02:42 PM,
Unbalanced Lines Unbalanced signal lines are characterized by the fact that the cable and connectors use only two conductors, a center conductor surrounded by a shield. Examples of unbalanced wiring are found in tip/sleeve 1/4-in guitar cords or the cables used with many CD players and tape decks which terminate with RCA phono type connectors. In an unbalanced configuration, the shield surrounds a single center conductor. The shield stays at a constant ground potential (as it is connected to ground…
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Monday, March 26, 2012
PSW Staff
03/26/12 11:20 AM,
Altinex is pleased to announce the availability of the TP115-110 / TP115-111 Computer/Component Video + Audio UTP Transmitter / Receiver. The TP115-110 / TP115-111 are the ideal solution for integrators and AV technology managers looking for a means of distributing computer video and audio signals long distances to reach the presentation display or projector. The Altinex TP115-110 provides transmission of computer video and audio signals over Twisted Pair-type (CAT-5) cable while the TP115-111 receives computer video and audio signals over…
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