Enjoy the benefits of a premium membership!
Upgrade Account
-
TalkBass has been independent since 1998. Add your voice.
Create a free account to reply to discussions, view embedded media, and browse with fewer display ads.
Join free Log in
Want zero display ads or expanded classifieds tools? Compare plans.
Is this safe?
- Thread starter eoinwalsh
- Start date
You're good to go. Use your ears when you turn it up. If it distorts, turn it down. I don't foresee that happening IMHO.
Yes, you can, just gotta be careful and not crank the head too high. Adjust the volume with your ears, not your eyes.
But that cab sounds like either a 115 or a 210, so it's got its limits and it could fart out much earlier than 300W. You may want to add another 8 ohm cab if you want more volume.
But that cab sounds like either a 115 or a 210, so it's got its limits and it could fart out much earlier than 300W. You may want to add another 8 ohm cab if you want more volume.
It's a Hartke vx 115. Would I have enough volume to play with a drummer? Not a loud drummer, but a moderately loud one.
The voice coil can take 300 watts, I'm going to assume, RMS. Which means it won't melt down if it is getting 300 or less watts continuously.
Which really means nothing it seems since speakers don't usually fail from heat, but from mechanical limits, i.e bottoming out or over excursion.
Which really means nothing it seems since speakers don't usually fail from heat, but from mechanical limits, i.e bottoming out or over excursion.
The power delivered in a certain impedance is the product of the voltage accross it and the current through it. Derived, one could say that the power through a resistor equals the current to the power of two times the resistance value. So: 300 W devided by 8 Ohms gives 37.5. This is the current squared. The root of 37.5 equals 6.124 (rounded) Amps. Now that we know the current, we can calculate the voltage accross the speaker. 300 Watts devided by 6.124 gives almost 49 Volts. So back to your question: the cab is specified to be able to withstand a voltage of 49 volts to from the cab. This is not continuous, as we are dealing with very complex alternating currents here. The example applies to direct current, hawever it can be used for understanding the basics of electrical power in relation to resistance. In case of a 4 Ohm speaker the current would be a little higher: 8.66 Amps. The voltage would drop to just under 35 Volt.
Keep on playing subsonically!
Keep on playing subsonically!
Yep, I know. I'm only trying to be helpful by sharing knowledge in my own simplistic way. If I were better in explaining stuff to others, I might be have become a teacher. I haven't, I'm a technician who tries to understand how to play the bass.
