Bueno dejo de esta pagina fantástica de reiwers "soum&vision"....mas las marcas que an echo ellos en bancos pruebas en wt etc
e dejado parte y dejo enlace por si alguien quiere mirar o comprobarlas ...
http://www.soundandvision.com/equipment-reviews
pioneer lx 89
PRICE $3,000
Pioneer Elite SC-89 AV Receiver Review Test Bench
Test Bench
Two channels driven continuously into 8-ohm loads:
0.1% distortion at 165.8 watts
1% distortion at 191.6 watts
Five channels driven continuously into 8-ohm loads:
0.1% distortion at 138.0 watts
1% distortion at 158.2 watts
Seven channels driven continuously into 8-ohm loads:
0.1% distortion at 114.6 watts
1% distortion at 129.9 watts
Analog frequency response in Analog Direct mode:
–0.07 dB at 10 Hz
–0.02 dB at 20 Hz
+0.97 dB at 20 kHz
–1.76 dB at 50 kHz.
Analog frequency response with signal processing:
–0.77 dB at 10 Hz
–0.24 dB at 20 Hz
+0.76 dB at 20 kHz
–68.02 dB at 50 kHz.
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Anthem MRX 710 AV Receiver
PRICE $1,999
Anthem MRX 710 AV Receiver Test Bench
Test Bench
Two channels driven continuously into 8-ohm loads:
0.1% distortion at 118.5 watts
1% distortion at 138.2 watts
Five channels driven continuously into 8-ohm loads:
0.1% distortion at 102.4 watts
1% distortion at 114.8 watts
Seven channels driven continuously into 8-ohm loads:
0.1% distortion at 75.2 watts
1% distortion at 90.1 watts
Analog frequency response without signal processing:
–0.08 dB at 10 Hz
–0.02 dB at 20 Hz
+0.08 dB at 20 kHz
–2.49 dB at 50 kHz
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Denon AVR-4520CI A/V Receiver
PRICE $2,499
Denon AVR-4520CI A/V Receiver Test Bench
Test Bench
Two channels driven continuously into 8-ohm loads:
0.1% distortion at 172.6 watts
1% distortion at 190.7 watts
Five channels driven continuously into 8-ohm loads:
0.1% distortion at 121.8 watts
1% distortion at 145.3 watts
Seven channels driven continuously into 8-ohm loads:
0.1% distortion at 108.8 watts
1% distortion at 121.7 watts
Analog frequency response in Pure Direct mode:
–0.05 dB at 10 Hz
–0.01 dB at 20 Hz
–0.11 dB at 20 kHz
–3.54 dB at 50 kHz
Analog frequency response with signal processing:
–1.09 dB at 10 Hz
–0.34 dB at 20 Hz
–0.48 dB at 20 kHz
–19.15 dB at 50 kHz
Analog frequency response with signal processing:
–0.47 dB at 10 Hz
–0.13 dB at 20 Hz
–0.02 dB at 20 kHz
–33.10 dB at 50 kHz
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Arcam AVR750 AV Receiver
PRICE $6,000
0.1% THD 1.0% THD
2 Channels Continuously Driven, 8 ohm loads: 132.0 watts 163.9 watts
5 Channels Continuously Driven, 8 ohm loads: 93.8 watts 124.7 watts
7 Channels Continuously Driven, 8 ohm loads: 86.1 watts 106.6 watts
Analog frequency response in Stereo Direct mode:
–0.04 dB at 10 Hz
–0.01 dB at 20 Hz
+0.04 dB at 20 kHz
–2.75 dB at 50 kHz
Analog frequency response with signal processing:
–0.51 dB at 10 Hz
–0.14 dB at 20 Hz
–0.17 dB at 20 kHz
–13.18 dB at 50 kHz
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Marantz SR7008 A/V Receiver
PRICE $1,999
Marantz SR7008 A/V Receiver Test Bench
2 channels continuously driven, 8 ohms (watts @ 0.1% / 1.0% THD): 122.5 / 148.0
2 channels continuously driven, 4 ohms (watts at 0.1% / 1.0% THD): 195.4 / 216.8
5 channels continuously driven, 8 ohms (watts at 0.1% / 1.0% THD): 101.2 / 111.5
7 channels continuously driven, 8 ohms (watts at 0.1% / 1.0% THD): 68.8 / 82.2
Analog frequency response in Pure Direct mode:
–0.06 dB at 10 Hz
–0.01 dB at 20 Hz
–0.01 dB at 20 kHz
–3.28 dB at 50 kHz
Analog frequency response with signal processing:
–0.29 dB at 10 Hz
–0.08 dB at 20 Hz
–0.17 dB at 20 kHz
–17.17 dB at 50 kHz
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Onkyo TX-NR3010 A/V Receiver
Price: $2,299
Onkyo TX-NR3010 A/V Receiver HT Labs Measures
HT Labs Measures
Two channels driven continuously into 8-ohm loads:
0.1% distortion at 167.8 watts
1% distortion at 189.5 watts
Five channels driven continuously into 8-ohm loads:
0.1% distortion at 122.1 watts
1% distortion at 142.2 watts
Seven channels driven continuously into 8-ohm loads:
0.1% distortion at 114.1 watts
1% distortion at 127.2 watts
Analog frequency response in Pure Audio mode:
–0.05 dB at 10 Hz
–0.01 dB at 20 Hz
–0.02 dB at 20 kHz
–2.74 dB at 50 kHz
Analog frequency response with signal processing:
–0.14 dB at 10 Hz
–0.05 dB at 20 Hz
–0.43 dB at 20 kHz
–59.14 dB at 50 kHz
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Yamaha Aventage RX-A2040 AV Receiver Review
PRICE $1,700
2 channels driven continuously into 8-ohm loads:
0.1% distortion at 169.7 watts
1% distortion at 195.9 watts
5 channels driven continuously into 8-ohm loads:
0.1% distortion at 46.9 watts 1% distortion at 65.4 watts
7 channels driven continuously into 8-ohm loads:
0.1% distortion at 42.3 watts
1% distortion at 63.1 watts
Analog frequency response in Pure Direct mode:
–0.01 dB at 10 Hz
–0.01 dB at 20 Hz
+0.04 dB at 20 kHz
–2.68 dB at 50 kHz
Analog frequency response with signal processing:
–1.02 dB at 10 Hz
–0.30 dB at 20 Hz
–0.35 dB at 20 kHz
–14.53 dB at 50 kHz
marantz sr 7010
Audio: This graph shows the SR7010’s left channel, from CD input to speaker output with two channels driving 8-ohm loads. Measurements for THD+noise, crosstalk, signal-to-noise ratio, and analog/digital frequency response were all within expected performance parameters. Full details available at soundandvision.com.—MJP
0.1% THD 1.0% THD
2 Channels Continuously Driven, 8-Ohm Loads 128.7 watts 168.8 watts
2 Channels Continuously Driven, 4-Ohm Loads 201.7 watts 235.3 watts
5 Channels Continuously Driven, 8-Ohm Loads 84.3 watts 113.1 watts
7 Channels Continuously Driven, 8-Ohm Loads 83.2 watts 103.4 watts