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Q&A # 356 - July 16, 2003
 

Staff

 

Q I am in the process of putting together a home theater system. I read your website on a regular basis, and find the information very helpful. Can you provide some guidelines on how my home theater budget should be spent? Should I allocate 40% to speakers, 30% to display, and 30% to receiver/processor/amp? What components would you recommend if my budget were $5,000 or $10,000?

A It all depends on the size of the room you have, your preferences for the image quality or sound quality, and the type of movies that you watch. If you want to have a front projector vs. an RPTV, that will affect the costs too. But, let's assume you have $10,000 for everything and a modest sized room. Here is a sample system:

Panasonic PT-L300U Digital Projector - $1,900

90" (diagonal) Wall Mounted Screen, 1.0 Gain - $1,000

Denon DVD-1600 DVD Player - $500

Onkyo TX-SR800 Surround Sound Receiver - $1,000

Outlaw Audio 770 Seven Channel (200 watts per channel) Power Amplifier - $1,800

Paradigm Monitor 5 Bookshelf Speakers - $1,000 (four)

Paradigm CC-370 Center Channel Speaker - $350

Velodyne HGS-15 Subwoofer - $2,800

Total Price - $10,350

These are all list prices, so figure on being able to find most products for about 10% less than list. Tax and cables will make it about $10,000.

T

Q I have both a DVD-audio player and a SACD player, but my receiver only has one 5.1 input. Right now I have to switch the cables back and forth between the players depending upon what I want to listen to. How can I connect both at the same time?

A You need a switcher, but 5.1 switchers are expensive. Get a set of three stereo switchers at Radio Shack and that will let you switch a total of six RCA inputs, which covers all the 5.1 connections.

T

Q I am in the market for a universal player and was disappointed the Denon 2900 did not do better in your recent tests. Are you planning on testing any of the higher-end units like the Lexicon RT-10? Maybe I should just bag multi-channel SACD and pick up a two-channel SACD player instead. Your thoughts?

A Higher end players don't necessarily perform better, especially with the chroma bug. Although I have a multi-channel SACD player, I listen in two-channel mode because I am not totally comfortable with being in the middle of the orchestra, but that may change over time as I get used to it. Universal players are having some trouble getting everything to work easily under one roof. My own plans are to have separate players for DVD-A and SACD, but am waiting for HDMI connectors to appear on them, because receivers usually only have one set of 5.1 analog inputs. HDMI is the copy-protected digital connection that should start appearing on players and receivers late this year. It will replace SPDIF and Toslink connections, and will include digital video as well as digital audio.

T

Q I have a Yamaha Mini Component System GX-70. Nothing happens when I touch the "change disc" button or the "open drawer" button. The display says "Mecha Er", so what do I do? I understand that means mechanical error, so what is the problem?

A Something is jammed in the player. A disc may have slipped out of the tray onto the side of the mechanism, and when the tray attempts to open, it senses resistance, and shuts down so as not to break the tray. You can remove the chassis cover and find out what is jammed, or take it to a repair shop.

T

Q I just bought a Samsung HLN 617 W DLP rear projection TV. When I play a DVD movie with my Pioneer Elite DV-47Ai DVD player I notice in the shadow areas there are posterization problems. I connect the TV with the DVD player by component cables. Is this problem from the TV or from the player? They are both brand new products.

A This is due to the limited gray scale of DVD, which is 8 bit, meaning there are 28 levels of gray, which is 256. When you watch larger images, you can see the transitions from one gray level to the next more easily. It happens in bright areas too, but it's more obvious in shadows. Having 10 bit or 12 bit video DACs does not change the basic 8 bit nature of the recorded data.

MPEG compression artifacts may also be to blame. Also, when you input an analog signal into a digital device, and it does A/D conversion, unless the 0 IRE and 100 IRE are correct at the player's output, and the A/D converter sees the same levels as full black and full white, there's either going to be some clipping on top or bottom (if the analog output from the player exceeds the range of the A/D converter on either side) or a loss of video resolution. So, you're only getting 7 or even 6 bits of gray scale resolution (when the player's range doesn't meet that accommodated by the A/D converter).

It may also be artifacts in video processing algorithms.

Lastly, if you don't set brightness and contrast just right with a digital display, especially if the video decoder is 8 bit, you can get this problem (posterization).

T

Q I have a Yamaha home theater in a box system. I recently purchased a bigger subwoofer. The connection for a subwoofer on the amplifier is only a positive and negative wire. The new subwoofer has an input plug and four input and output wire connections. What is the best way to connect the subwoofer to the amplifier?

A It sounds like your box system has a speaker-level output for the subwoofer, so that would be connected to one of the speaker-level inputs on your new subwoofer.

T

Q What is your opinion on LCD vs. plasma for flat panel displays?

A They each have their advantages and disadvantages. Plasma has screen burn if you leave an image in the same spot for a long time. LCD has persistence, which means a moving image leaves a bit of a trail. Plasma is available in larger sizes right now, but LCD is coming fast. The largest LCD currently is 40", but there should be a 53" by Samsung shortly. Personally, I am waiting for HDMI connections to appear on the TVs before I invest in a large flat panel model.

T

Q Good grief, what is the problem with the new universal player from Denon (2900)? It looks like a gem to me. I was just about to buy it this weekend, until I saw that ambiguous bomb you dropped in the Q&A about this player. I don't mean to pressure you, but I have to know if there is a good reason not to buy this player. I thought for sure it would be killer with my new 60" Sony GWII XBR.

A Of the universal players out there right now, the 2900 is probably the best one. It has the CUE, but not under all circumstances.

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