What are AV receiver and AV amplifier?

perplexity said:
There is no way that I believe in to get a really full low bass response, except with something big and solid.
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That's basically (bassically?) true. Electrostatic ribbon speakers are the newest thing, and they're fabulous for mid to high range and they have the advantage of being a line source instead of a point source which makes them somewhat less directional. But even our six foot tall ribbon speakers have conventional cone woofers in their bottom.

However, I don't think woofers have to be as large as was once thought. When I first started playing electric bass guitar in the early 1970s, cabinets with one giant speaker were in vogue. I had an 18 inch speaker and I knew guys with 24's. (This was of course when you could play a club gig with a 75-watt amplifier instead of the 400 watts everyone now uses to destroy their fans' hearing and add $300 a month to the club's electric bill.) Today, they just use an array of 12's and there seems to be no detectable difference.
 
VSX-515-S


A 6.1-channel A/V receiver complete with Auto MCACC and the latest surround formats-including WMA9 Pro, Dolby Pro Logic IIx,DTS-ES, Dolby Digital EX, and DTS 96/24

Features
Maximum power: 120W x 6ch
Auto MCACC (Multi-channel Acoustic Calibration System) setup with 5-band EQ (Mic included)
WMA9 Pro
Built-in DTS/DTS-ES/DTS 96/24/Dolby Digital EX/Dolby Digital/ Dolby Pro Logic IIx/DTS NEO:6 decoder
5.1-channel input (DVD)
Digital Core Engine with Motorola 48-bit Processing DSP
192kHz/24-bit audio D/A converter
Advanced Surround: Advanced Movie, Advanced Music, TV Surround, Sports, Advanced Game, Expanded Theater, 6ch Stereo, Phones Surround, Virtual Surround
Pioneer Hybrid Amplification
 
Saint said:
What the hell?
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basically if i want good sound i can put them out in the open where ever in the room i want as they are wireless or if i dont care about the sound too much i can put behind corners etc so they are hidden
 
I heard that the blue-ray DVD will pack more sound tracks and required a revamp of Amplifier design, that means we got to upgrade our amplifier when the blue-ray format becomes common and replaces the current DVD9.
 
# Amplifier output details:

# 120 Watt - 8 Ohm - THD0.04 % - 2 channel(s) (Front),
120 Watt - 8 Ohm - THD0.04 % - 1 channel(s) (Center),
120 Watt - 8 Ohm - THD0.04 % - 2 channel(s) (Surround),
120 Watt - 8 Ohm - THD0.04 % - 2 channel(s) (Surround back),

140 Watt - 8 Ohm - THD0.7 % - 2 channel(s) (Front),
140 Watt - 8 Ohm - THD0.7 % - 1 channel(s) (Center),
140 Watt - 8 Ohm - THD0.7 % - 2 channel(s) (Surround),
140 Watt - 8 Ohm - THD0.7 % - 2 channel(s) (Surround back)
Click to expand...

What is THD0.04% and THD0.7%?
 
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