Sherwood Newcastle R-965 A/V Receiver HT Labs Measures

HT Labs Measures: Sherwood Newcastle R-965 A/V Receiver

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Five channels driven continuously into 8-ohm loads:
0.1% distortion at 128.3 watts
1% distortion at 155.7 watts

All channels driven continuously into 8-ohm loads:
0.1% distortion at 109.6 watts
1% distortion at 126.0 watts

Analog frequency response in Pure Audio mode:
–0.75 dB at 10 Hz; –0.29 dB at 20 Hz
–0.07 dB at 20 kHz; –0.51 dB at 50 kHz

Analog frequency response with signal processing:
–1.82 dB at 10 Hz; –0.65 dB at 20 Hz
–0.62 dB at 20 kHz; –59.01 dB at 50 kHz

This graph shows that the R-965's left channel, from CD input to speaker output with two channels driving 8-ohm loads, reaches 0.1 percent distortion at 134.0 watts and 1 percent distortion at 167.1 watts. Into 4 ohms, the amplifier reaches 0.1 percent distortion at 229.7 watts and 1 percent distortion at 261.8 watts.

Response from the multichannel input to the speaker output measures –0.59 dB at 10 Hz, –0.23 dB at 20 Hz, –0.08 dB at 20 kHz, and –0.52 dB at 50 kHz. THD+N from the amplifier was less than 0.013% at 1 kHz when driving 2.83 volts into an 8-ohm load. Crosstalk at 1 kHz driving 2.83 volts into an 8-ohm load was –92.89 dB left to right and –86.76 dB right to left. The signal-to-noise ratio with 2.83 volts driving an 8-ohm load from 10 Hz to 24 kHz with "A" weighting was –98.31 dBrA.

From the Dolby Digital input to the loudspeaker output, the left channel measures –0.48 dB at 20 Hz and –0.62 dB at 20 kHz. The center channel measures –0.35 dB at 20 Hz and –0.65 dB at 20 kHz, and the left surround channel measures –2.03 dB at 20 Hz and –0.81 dB at 20 kHz. From the Dolby Digital input to the line-level output, the LFE channel is –0.14 dB at 20 Hz when referenced to the level at 40 Hz and reaches the upper 3-dB down point at 97 Hz and the upper 6-dB down point at 107 Hz.—MJP

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Sherwood America
(800) 962-3203
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