Untitled Document
SPEAKERS
- FACTS AND TIPS |
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- It’s
better to use more than the minimum. 2 speakers is louder, clearer and
cleaner sounding than one.
- When
driven to full power limit, speaker coils heat up causing thermal compression.
This wastes almost half the amp power
- When
2 speakers are placed together, they will couple acoustically, becoming
more efficient - this means that 2 speakers driven side by side with
100W total input (50W each) will be LOUDER than a single, identical
speaker driven with 200W.
- 12”
woofers with compression drivers give the best sound for vocals
- 15”
woofers are good for disco cab, but lack mid for vocals
- Compression
drivers needed for longer throw. Bullet and piezo tweeters are short
throw only.
- The
more different signals you put through a speaker, the less clarity you
will get. Active crossovers help by preventing bass signals reaching
the high/mid cabs
- In
big venues, use some short throw cabs to fill in the front, and longer
throw cabs higher up for the back of the room
- If
replacing drive units in cabs, mending cables or connecting via binding
post terminals take care to maintain correct phase (+ goes to +, - goes
to -). One woofer out of phase will lose all the bass. The whole rig
will sound ‘wrong’.
- Bass
units should be on the floor for best low end
- Tweeters
should be slightly above the audiences ears
- To
get the most bass from small cabs place them against walls or in corners
If you need further
information on this topic or are looking for personalised information
and quotes on PA systems, click
here to contact the professor
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