I Read a post on another site that home theater magazines did a comparison of the pioneer receiver & Yamaha, there results for true wattage output on the pioneer was 115 watts per channel and the Yamaha was 40 watts. Below is the original post and HTM findings on the 2400, now I am wondering is the pioneer a better choice.
"I'd give the Pioneer Elite 52TX or standard Pioneer 1014TX a look. Their the same receiver sold under the two different Pioneer lines. They have all of the features of the Yamaha 1500 (Auto setup and room eq, component video upconversion, PLIIx) and tested by HT Magazine to actually put out 115 watts per channel (the Yamaha 2400 was tested around 40 actual watts per channel). The 1014TX is available for as little as $400 online, $475 at Best Buy, and the 52TX goes from $700 - $800 at authorized Elite dealers. The 1014TX is an amazing value with an extremely powerful amp section and all the most current features."
HT Labs Measures: Yamaha RX-V2400 A/V Receiver
(THE GRAPH DID NOT COPY OVER)
This graph shows that the RX-V2400's left channel, from CD input to speaker output with two channels driving 8-ohm loads, reaches 0.1% distortion at 102.9 watts and 1% distortion at 130.5 watts. Into 4 ohms, the amplifier reaches 0.1% distortion at 158.4 watts and 1% distortion at 195.3 watts. With five channels driving 8-ohm loads, the amplifier reaches 0.1% distortion at 43.5 watts and 1% distortion at 44.1 watts. With seven channels driving 8-ohm loads, the amplifier reaches 0.1% distortion at 32.3 watts and 1% distortion at 36.9 watts.
The analog frequency response measures –0.09 decibels at 20 hertz and –0.08 dB at 20 kilohertz. Looking at a broader bandwidth, the response measures –0.20 dB at 10 Hz and –0.54 dB at 50 kHz. In modes that involve signal processing, the response is –0.38 dB at 10 Hz, –0.17 dB at 20 Hz, –0.10 dB at 20 kHz, and –47.90 dB at 50 kHz. Response from the multichannel input to the speaker output measures –0.20 dB at 10 Hz, –0.09 dB at 20 Hz, –0.08 dB at 20 kHz, and –0.57 dB at 50 kHz. THD+N from the amplifier was less than 0.020% 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 –87.80 dB left to right and –83.69 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 –99.52 dBrA.
From the Dolby Digital input to the loudspeaker output, the left channel measures –0.15 dB at 20 Hz and –0.12 dB at 20 kHz. The center channel measures –0.10 dB at 20 Hz and –0.15 dB at 20 kHz, and the left surround channel measures –0.10 dB at 20 Hz and –0.16 dB at 20 kHz. From the Dolby Digital input to the line-level output, the LFE channel is +0.11 dB at 20 Hz when referenced to the level at 40 Hz and reaches the upper 3-dB down point at 96 Hz and the upper 6-dB down point at 117 Hz.—MJP