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Chart for Changes with Number of Cabinets
No. of Cabs: 1 2 3 4 6 8
218 Sub
Level†: -6.0 dB -2.5 dB -0.5 dB +1.5 dB +4 dB +5.5 dB
12” Wfr 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB 0.0 dB
Level:
Twtr 0.0 dB +2.0 dB +4.0 dB +5.5dB +6.5 dB +7.0 dB
Level:
(Drive levels are for factory 16 ohm wiring, for 4 ohm wiring, subtract 6 dB)
Front Block EQ‡
at 2 kHz -2.0 dB - - - - -
at 1.8 kHz - -3.0 dB -3.5 dB -3.5 dB -4.0 dB -4.5 dB
(at a bw set to 0.577) bw=.707 bw=.707
† SPECIAL NOTE: Versarray™ 218 Sub is supplied in 4 ohm mode (woofers
paralleled).
If the Versarray™ 218 Sub woofers are driven separately, using an amp with the
same gain as all the other amps, then drive level to the separate woofers is the
same.
To convert the above drive levels for a single Versarray™ 218 Sub to drive levels
suitable for a single Versarray™ 118 Sub, add 6 dB.
When doubling the number of Subs, subtract 6 dB for each time they are doubled.
‡ SPECIAL NOTE: To match this PEQ setting with a 1/3 octave band EQ, use the
following:
To equate to a PEQ setting of –3 dB @ 1.8k, bw= 0.6 use, 1/3 octave band 2 kHz set
to –1.5 dB AND 1/3 octave band 1.6 kHz also set to –1.5 dB
To equate to a PEQ setting of –3.5 dB @ 1.8k, bw= 0.6, use 1/3 octave band 2 kHz
set to –2 dB AND 1/3 octave band 1.6 kHz set to –1.5 dB
To equate to a PEQ setting of –4 dB @ 1.8k, bw= 0.7 (or use 1/3 octave band 2 kHz
set to –2.0 dB AND 1/3 octave band 1.6 kHz set to –2.0 dB
To equate to a PEQ setting of –4.5 dB @ 1.8k, bw= 0.7 (or use 1/3 octave band 2
kHz set to –2.5 dB AND 1/3 octave band 1.6 kHz set to –2.0 dB