Topmusicanswers
- Can I use a 8 ohm speaker with a 4 ohm guitar amp?
- Can you make a 4 ohm speaker 8 ohms?
- What amplifier do I need for 8 ohm speakers?
Can I use a 8 ohm speaker with a 4 ohm guitar amp?
For an "ideal" SS amp – an "on-paper model" without limitations; changing the load (speaker) from 4 ohm to 8 ohm will reduce the max Wattage that can be drawn by the speaker by 50% – an amp that can deliver max 56 Watt into a 4 ohm speaker can then deliver max 28 Watt into an 8 ohm speaker.
Can you make a 4 ohm speaker 8 ohms?
An amplifier has to apply twice the voltage to an 8 ohm speaker to get it to allow the same amperage (and thus watts) as a 4 ohm speaker. Inversely, an amplifier intended for 8 ohm loads might pass too much current if used at moderate to high levels with 4 ohm speakers, which would melt its output transistors.
What amplifier do I need for 8 ohm speakers?
Matching Amps to Speakers
This means a speaker with a “nominal impedance” of 8 ohms and a program power rating of 350 watts will require an amplifier that can produce 700 watts into an 8-ohm load. For a stereo pair of speakers, the amplifier should be rated at 700 watts per channel into 8 ohms.
