1 ohm vs 4 ohm which ohm load is best ? Tezla Audio TZ615KD4G2 Subwoofers

JPtheinstallguy
19 May 202401:31

Summary

TLDRIn this informative video, JP the install guy addresses a common question regarding subwoofer wiring for dual voice call systems. He explains the power dynamics between 1-ohm and 4-ohm wiring, emphasizing that lower resistance results in more power but also more heat, potentially reducing efficiency. He suggests high-quality amplifiers for 1-ohm wiring to maintain efficiency. Ultimately, the choice between 1-ohm and 4-ohm depends on the user's preference and system setup, with JP personally leaning towards 1-ohm for maximum power.

Takeaways

  • 🎙️ The video discusses the optimal wiring for dual voice coil subwoofers, focusing on the choice between 1-ohm and 4-ohm configurations.
  • 🔌 Wiring subwoofers to a lower impedance (1-ohm) allows for more power from the amplifier compared to a higher impedance (4-ohm).
  • 💡 The speaker demonstrates this with a 1.5k Series 6 and 1/2 in woofers from Tesla Audio, which are dual 4-ohm and are wired down to a 1-ohm load.
  • ⚙️ At 1-ohm, a 1000-watt RMS amplifier may deliver 1000 watts, whereas at 4-ohms, it may only deliver 500 watts.
  • 🔥 Lower resistance wiring can lead to more heat generation, potentially affecting efficiency.
  • 🛠️ Despite the potential for reduced efficiency at 1-ohm, a high-quality amplifier with good control can still operate efficiently.
  • 🏁 The choice between 1-ohm and 4-ohm wiring depends on personal preference and system requirements.
  • 👤 The speaker personally prefers 1-ohm wiring for the increased power, but emphasizes the importance of a high-quality, well-tuned amplifier.
  • 🔧 A high-quality amplifier is recommended for 1-ohm wiring to ensure optimal performance and efficiency.
  • 🙏 The speaker concludes with a personal opinion and a blessing, encouraging viewers to make their own informed decision based on their system's needs.

Q & A

  • What is the main topic of the video by JP the install guy?

    -The main topic of the video is about wiring up dual voice call subs and discussing whether a 1-ohm or 4-ohm wiring is better for subwoofers.

  • What are the Tesla audio 1.5k Series 6 and 1/2 in woofers mentioned in the script?

    -The Tesla audio 1.5k Series 6 and 1/2 in woofers are dual four-ohm subwoofers that JP has wired down to a 1-ohm load in the video.

  • Why does JP wire the subs down to a 1-ohm load?

    -JP wires the subs down to a 1-ohm load because lower resistance allows for more power to be drawn from the amplifier.

  • How does the power output of an amplifier change with different resistances?

    -The power output of an amplifier decreases as the resistance increases. For example, a 1000-watt RMS amplifier may output 1000 watts at 1 ohm, 750 watts at 2 ohms, and 500 watts at 4 ohms.

  • What is the trade-off of wiring subwoofers at a lower resistance?

    -The trade-off of wiring subwoofers at a lower resistance is that while more power is achieved, it also generates more heat, potentially reducing efficiency compared to a higher resistance wiring like 4 ohms.

  • Does running subwoofers at 1-ohm always result in inefficiency?

    -No, running subwoofers at 1-ohm is not necessarily inefficient if paired with a high-quality amplifier that has good control and isn't clipping.

  • What is JP's personal preference regarding the wiring of subwoofers?

    -JP personally prefers wiring subwoofers down to 1-ohm to get more power, but emphasizes the importance of using a high-quality amplifier with proper control and tuning.

  • What factors should be considered when choosing between 1-ohm and 4-ohm wiring for subwoofers?

    -When choosing between 1-ohm and 4-ohm wiring, consider the power output desired, the quality of the amplifier, and the efficiency of the system.

  • Why is it important to have a high-quality amplifier when wiring subwoofers at 1-ohm?

    -A high-quality amplifier is important for 1-ohm wiring to ensure the system runs efficiently without excessive heat generation and to avoid clipping, which can damage the subwoofers.

  • How does the efficiency of an amplifier affect the choice between 1-ohm and 4-ohm wiring?

    -An efficient amplifier can handle the lower resistance of 1-ohm wiring without significant heat issues, allowing for more power while maintaining efficiency.

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