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HP Horns
HP4020
HP6040 HP9040 HP420 HP640 HP940
Coverage (H° x V° nominal) 40° x 20° 60° x 40° 90° x 40° 40° x 20° 60° x 40° 90° x 40°
Directivity Factor (average) 45.1 (+12.7, -18.9) 25.8 (+17.9, -5.9) 12.1 (+4.6, -3.7) 47.7 (+25.9, -23.5) 20.6 (+11.3, -3.3) 11.9 (+3.6, -3.0)
(500 Hz–20 kHz) (500 Hz–20 kHz) (500 Hz–20 kHz) (1,250 Hz–20 kHz) (1,250 Hz–20 kHz) (1,250 Hz–20 kHz)
Directivity Index (average) 16.4 dB 14.1 dB 10.8 dB 16.8 dB 13.1 dB 10.7 dB
(+1.2, -2.2) (+2.3, -1.1) (+1.4, -1.6) (+1.9, -3.0) (+1.9, -0.7) (+1.2, -1.2)
(500 Hz–20 kHz)
(500 Hz–20 kHz) (500 Hz–20 kHz) (1,250 Hz–20 kHz) (1,250 Hz–20 kHz) (1,250 Hz–20 kHz)
Useable low-frequency limit 200 Hz 500 Hz 400 Hz 400 Hz 400 Hz 400 Hz
Throat entrance 2" bolt-on 2" bolt-on 2" bolt-on 2" bolt-on 2" bolt-on 2" bolt-on
Height
838 mm (33.0")
813 mm (32.0") 813 mm (32.0") 367 mm (14.4") 330 mm (13.0") 330 mm (13.0")
Width 813 mm (32.0") 711 mm (28.0") 679 mm (26.75") 610 mm (24.0") 711 mm (28.0") 533 mm (21.0")
Depth
1,252 mm (49.3")
808 mm (31.8")
808 mm (31.8")
749 mm (29.5")
437 mm (17.2")
285 mm (11.2")
Net weight
12.3 kg (27.0 lbs)
9.1 kg (20.0 lbs)
9.1 kg (20.0 lbs)
5.9 kg (13.0 lbs)
4.3 kg (9.5 lbs)
3.2 kg (7.0 lbs)
HP1240
HP64
HP66 HP94 HPT64 HPT94
Coverage (H° x V° nominal) 120°x 40° 60° x 40° 60° x 60° 90° x 40° 60° x 40° 90° x 40°
Directivity Factor (average) 8.6 (+2.5, -2.1) 18.1 (+4.1, -8.8) 17.9 (+10.5, -9.3) 10.1 (+5.8, -1.8) 15.8 (+5.2, -4.9) 11.6 (+5.0, -2.5)
(1,250 Hz–20 kHz) (1,600 Hz–20 kHz) (1,600 Hz–20 kHz) (1,600 Hz–20 kHz) (3,150 Hz–20 kHz) (3,150 Hz–20 kHz)
Directivity Index (average) 9.34 dB 12.6 dB 12.5 dB 10.0 dB 12.0 dB 10.6 dB
(+1.1, -1.2) (+0.9, -2.9) (+2.0, -3.0) (+2.0, -0.8) (+1.2, -1.6) (+1.6, -1.0)
(1,250 Hz–20 kHz) (1,600 Hz–20 kHz) (1,600 Hz–20 kHz) (1,600 Hz–20 kHz) (3,150 Hz–20 kHz) (3,150 Hz–20 kHz)
Useable low-frequency limit 400 Hz 650 Hz 650 Hz 800 Hz 1,600 Hz 1,600 Hz
Throat entrance 2" bolt-on 2" bolt-on 2" bolt-on 2" bolt-on 1" bolt-on 1" bolt-on
Height 330 mm (13.0") 279 mm (11.0") 279 mm (11.0") 279 mm (11.0") 133 mm (5.25") 133 mm (5.25")
Width 533 mm (21.0") 224 mm (8.8") 224 mm (8.8") 222 mm (8.75") 133 mm (5.25") 133 mm (5.25")
Depth 265 mm (10.4") 220 mm (8.7") 165 mm (6.5") 220 mm (8.7") 104 mm (4.1") 101 mm (4.0")
Net weight 3.2 kg (7.0 lbs) 2.5 kg (4.5 lbs) 2.2 kg (4.8 lbs) 2.5 kg (4.5 lbs) 0.4 kg (0.8 lbs) 0.4 kg (0.8 lbs)
The HP horn series is a refinement of the concept of “con-
stant directivity,” which, in 1974, EV was the first to intro-
duce. For the first time, horn coverage angles were truly
unifor
m over a wide frequency range. In the HP series,
unique beamwidth-control vanes within the horn throat
form a waveguide that eliminates the narrowing of cover-
age angle – beaming – that occurs in other 2-inch-throat
horns. EV’s patented Transplanar™ design provides excep-
tionally smooth frequency response. HP horns or variants
thereof are used throughout the EV speaker system lines.
Each HP hor
n features an integral die-cast metal throat
encapsulated in the fiberglass sidewalls. This unitized con-
struction provides very high strength and low weight.
HP4020
HP6040
HP9040
• Large-format two-inch horns
• The ultimate in dispersion
control, with control of rated
dispersion angle down to
500 Hz, both horizontally and
vertically
• Directivity control to 500 Hz
maximizes vocal intelligibility
and musical clarity in difficult
acoustic environments
HP420
HP640
HP940
HP1240
• Medium-format two-inch horns
• Vertical dimensions have been
reduced, for use when space
constraints preclude the use
of large-format horns
• Horizontal directional control
maintained to ~500 Hz
• Vertical control to ~1,500 Hz
HP64
HP66
HP94
• Small-format two-inch horns
• Use as primary HF horns in
compact sound systems
• Beamwidth control to ~2,000 Hz
HPT64
HPT94
• Very-small-format one-inch
horns
• Use in three- and four-way
systems with DH3 driver for
tweeter and supertweeter
applications
• Directional control to 3,000 Hz
HP6040
HP64
HPT64
HP640
Note: Horns shown out of proportion to each other