Pequod Acoustics Srl.
Via del Madonnone 25, Florence, Italy
www.pequodacoustics.com
info@pequodacoustics.com
1 Technical Specifications
EF5 Twister 3.1 is a passive 3-way horn-loa-
ded system with an extended low- frequen-
cy direct emission component. Professional
HI-PRO two-way audio system with horn-lo-
aded speaker technology, designed to seam-
lessly integrate with dedicated transducers,
built from high resistance composite mate-
rials for elevated sensitivity, dynamics, and
definition. Wide-angle coverage of a highly
controlled sound field, and the ability to re
-
ach high sound levels without perceptible
distortion. The system is characterized by
excellent sound quality the ability to reach hi-
gh-pressure ranges. A pair of large full-frontal
horns manage the high-mid frequency ran-
ge through a dedicated passive crossover(or
using a 2 ch amDSP). The high-range
horn is characterized by a special high-end
derivation design. The long and complex de-
velopment with variable sections allows a
wide dispersion with powerful loading. The
Shockwave 2.1 mid-range horn has a uni-
que design that creates an extraordinary le-
vel of efficiency and sensitivity. This allows for
excellent dynamics that distinguish the entire
system from the very first listen. The extended
low-frequency direct emission component is
characterized by a light structure with a highly
resistant ovoid shell, containing a 15 “woo-
fer with a 30-400 Hz range and high sensiti-
vity. This component can alone cover the mid
and low frequencies or can be assisted by
additional subwoofers to cover the lower fre-
quencies with additional power. The LF driver
features a water-resistant cone. Components
such as the speakers, woofers, and compres-
sion drivers all represent world-class quality,
without commercial or technological compro-
mises. Thanks to its elevated sensitivity, the
system requires limited amplification power.
The EF5 Twister system is manageable throu-
gh bi- amplification with DSP for managing
cuts between the high-mid and low routes.
The two high-mid horn components are ma-
naged passively by a specific crossover filter.
A Full-Fat audio FFA 8004 is the recommen-
ded 4 channel amplifier partnered in this sy
-
stem (stereo configuration) with a dedicated
DSP. Otherwise, it can be managed actively
by three amplifiers and by traditional DSP. Any
additional subwoofers are sold separately.
USER GUIDE
TYPE
FREQUENCY
RESPONSE
TOTAL
SENSITIVITY
LOW
FREQUENCY
MEDIUM
FREQUENCY
HIGH
FREQUENCY
NOMINAL
IMPEDANCE
CONTINUOUS
POWER HADLING
MANAGE
RECOMMENDED
AMPLIFIER
DISPERSION
CONSTRUCTION
MATERIALS
FINISH
PROTECTIVE
GRILLES
CONNECTORS
DIMENSIONS
WEIGHT
Two ways passive full-horn loaded with exten-
ded low frequencies direct emission component
40 Hz - 18 KHz
109 dB 1W/m with passive crossover for mid-hi-
gh component 97 dB 1W/m for low component
15” Low woofer 8 Ohm 1000 W nominal 2000 W
peak
2” (50 mm) MF compression driver 8 Ohm 80 W
nominal 160 W peak
1” (25 mm) HF compression driver 8 Ohm 60 W
nominal 120 W peak
4 Ohm with two way passive crossover for
mid-high component 8 Ohm for low component
400 W 4 Ohm for mid high frequencies
2000 W 8 Ohm for low frequencies
4 Ch amplifier to a couple of Twister loudspea
-
kers (outer passive crossover provided, for each
Twister horn loaded mid+hf)+DSP .
Horn loaded mid+hf :High-pass filter @400Hz,
24 dB/oct. LR;Relative Gain -12dB,Delay 0 ms
15”: High-pass filter @40Hz, 24 dB/oct.But; Low
pass filter @400Hz, 24 dB/oct. LR
If subwoofer is needed: Horn loaded mid+hf : as
above. 15”: High-pass filter @100Hz, 24 dB/oct.
LR, Low pass filter @400Hz, 24 dB/oct. LR
Full Fatt Audio FFA 8004 with crossover with
DSP
60° horizontal, 40° vertical
Fiber-reinforced composite, stainless steel
all ral color and texture on order
Twister is usually sold with this grid made of
stainless steel
3x Neutrik NL4 or custom preference
(W) 1100 mm (H) 950 mm (D) 700 mm
(W) 43 inch (H) 37 inch (D) 28 inch
14 Kg (31 lb) mid-high component, 22 Kg (48 lb)
low component
