Posts Categorized: Audio

blank

Matching Preamplifiers and Amplifiers

When you purchase a preamplifier from a different manufacturer than the amplifier you need to be sure they are compatible. The amplifier will need a certain number of volts to drive it to full current. The preamplifier needs to supply that level of voltage for the amplifier to deliver its power rating. This specification is frequently found at… Read more

blank

Anamorphic Lens Versus Zooming For Constant Height Screens

A popular thing in home theater today is to use a 2.35:1 aspect ratio screen instead of a 1.78:1 which is what HDTV is. The idea is to present scope movies wider than HDTV without black bars on the top and bottom to provide a more immersive experience for these films. Two common ways to… Read more

blank

Emotiva USP-1 2.1 Channel Preamp

Emotiva has released a 2.1 channel preamp priced at $399. This preamp is unique in it’s ability to manage a subwoofer in a 2 channel system while allowing the same speakers to be part of a home theater system. It does this by incorporating an analog two channel preamplifier with bass management for a subwoofer… Read more

blank

SRS Labs MyVolume

SRS Labs has released a new product that I am sure many will want. This device will equalize channel levels on cable and satellite to reduce the level of those annoying commercials. It costs $99.99 from SRS Labs. Note it does not support surround formats. MyVolume HDMI Interface Specifications HDMI v1.3, HDCP v1.1 and DVI v1.0 compliant… Read more

blank

HDMI 1.4 Potential Cable Problems

Transparent Audio’s Josh Clark says, “”We are even more concerned that running an Ethernet signal side-by-side with the primary HDMI audio and video signals may actually degrade the resulting picture and sound quality because of signal crosstalk. For these reasons, Transparent is not planning to build HDMI 1.4 cables with the additional signal conductors necessary… Read more