Sony STR-AZ7000ES vs. Onkyo TX-RZ70: Power Transformer Comparison
When comparing the Sony STR-AZ7000ES and the Onkyo TX-RZ70 AV receivers, their power transformer designs and implementation significantly influence their audio performance and power delivery.
Below is an in-depth analysis of how these two models handle power and the impact it has on their overall performance.
Sony STR-AZ7000ES: Transformer and Power Design
Sony’s STR-AZ7000ES is engineered to deliver superior audio quality through innovative chassis and power design. Key features include:
- Rigid Chassis Design: The STR-AZ7000ES incorporates a reinforced chassis and transformer base to minimize vibrations, which improves the stability of power delivery and reduces noise.
- Efficient Power Supply: The receiver is built with a high-capacity power transformer that ensures consistent energy distribution across its 13.2-channel configuration, even during demanding audio playback.
- Focus on Clarity: The power transformer is optimized for clean signal paths, enhancing audio fidelity and dynamic range.
Sony’s attention to structural integrity and transformer optimization provides exceptional sound quality, especially for multi-channel setups in home theaters.
Onkyo TX-RZ70: Transformer and Power Design
The Onkyo TX-RZ70 prioritizes raw power output and precision through a robust amplifier and power supply system. Highlights include:
- High-Powered Output: The TX-RZ70 delivers 140 watts per channel at 8 ohms (with two channels driven), supported by a substantial power transformer that handles high current demands efficiently.
- Dynamic Audio Capability: Onkyo’s design ensures rapid and consistent power delivery, which is crucial for handling complex soundscapes in movies and music.
- THX Certification: The receiver meets THX standards, reflecting its capability to deliver professional-grade sound performance. The power transformer is a critical component in meeting these rigorous requirements.
Onkyo’s focus on delivering high wattage and maintaining consistent power for multi-channel systems ensures impactful and immersive sound.
Key Comparison: Power Transformers
| Feature | Sony STR-AZ7000ES | Onkyo TX-RZ70 |
|---|---|---|
| Power Transformer Design | Rigid chassis with optimized power paths | High-capacity transformer for high wattage |
| Output Per Channel | ~150 watts at 4 ohms (2 channels driven) | 140 watts at 8 ohms (2 channels driven) |
| Focus | Clean signal, reduced vibration | Raw power, dynamic performance |
| Ideal Use Case | Audiophile-grade clarity in complex setups | High-powered systems for dynamic soundscapes |
Which Receiver Excels?
- Choose the Sony STR-AZ7000ES if you prioritize refined audio clarity, minimal distortion, and a robust structural design for high-fidelity listening in a multi-channel environment.
- Choose the Onkyo TX-RZ70 if you need high power output, dynamic performance, and the ability to handle demanding audio tracks in large spaces.
Both receivers excel in their respective approaches, making the decision largely dependent on personal preferences and intended usage.
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