Having had an opportunity to test Onkyo TX-SR393 vs Pioneer SC-LX501, I’d like to share my impression here to facilitate your choice of a new AV receiver.
The number of channels for receivers is different - 5.2 versus 7.2, respectively, for devices. In terms of power, there are differences, the TX-SR393 has such a ratio W/Ohm - 80/8 20Hz-20KHz, 155/6 1KHz, while the SC-LX501 has a power of 120/8 20Hz-20KHz, 180/6 1KHz. A common feature for devices is the same total harmonic distortion - 0.08%.
The manufacturer installed different DACs, the TX-SR393 received the model AKM 384 KHz/32-bit, but the SC-LX501 is equipped with AK4458 384 KHz/32-bit. The Bi-amping function is implemented only in the Pioneer SC-LX501. The model SC-LX501 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. The SC-LX501 has access to the Spotify service. The quality of 4K 60p signal remains unchanged when transmitting from a source to a TV or projector via HDMI for both receivers. Signaling over HDMI in standby mode can provide the TX-SR393 and the SC-LX501. Each of the devices can increase the resolution of the incoming video signal. Each of the participants of the comparison has a Dolby Vision.
The number of HDMI inputs/outputs varies depending on the receiver, the TX-SR393 has 4/1, and the SC-LX501 has 7/2. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the TX-SR393 and the SC-LX501. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. TX-SR393 and SC-LX501 support the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Pioneer SC-LX501.
Ability to create 2 Multi zones inherent in both AV receivers. Voice control of the basic functions of the receiver is not realized in both models. There is an ECO mode in neither AV receiver. The Pioneer SC-LX501 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available both models. A DTS:X surround technology is supported by devices from our comparison.
The Pioneer SC-LX501 is better receiver in this comparison. Check Pioneer SC-LX501 price