Sigma series
For fixed installation power
- Discreet and unobtrusive design
- Newly developed angled corner port system to reduce dimensions
- Multiple M8 rigging points and a two way pole mount for easy installation
- Crossovers tailored for vocal intelligibility
- Chip resistant Rhino Rock paint
- Double roll surround LF driver
- High performance HF driver with aluminium rear cover for maximum heat dissipation
- 2.5” voice coils on 12”, 15” and 18B models
- 7 SIGMA series models available in black or white in the range for maximum flexibility.
Black or white
Sigma series are covered in our durable Rhino Rock paint finish. Make your choice – Black or white! Both look great and last a lifetime.
Sigma 'V' Columns
Using true line array technology the Sigma V4 and Sigma V8 column arrays are perfect for sound reinforcement installations where discreet aesthetics, high coverage angles and SPL are critical.
Sigma V4 uses 4 * 3 inch full range transducers and the Sigma V8 uses 8 x 3″ drivers for warm lows and crystal clear highs. Optimised transducer alignment delivers minimal anti-aliasing effects and maximum phase alignment. With Ultra-wide horizontal dispersion V4, and its larger brother V8, have been voiced to work perfectly with other models in the Wharfedale Pro Sigma range.
Brackets included
Sigma V4 and Sigma V8 are also supplied with steel mounting brackets to make installation quick, easy and tidy.
ACOUSTICALLY MATCHED CABINETS
Wharfedale Pro engineers have matched the acoustic properties of the cabinet to the proprietary driver technology within, while taking physical aspects into consideration to ensure optimal positioning and size for installation.
By using a newly-developed angled-corner port system, cabinet height and overall size has been reduced – ideal for unobtrusive mounting within your venue. Additionally the angle-corner port system is fine-tuned acoustically to ensure low- end punch – just as you would expect with a larger PA speaker.
The cabinet of a full-range Sigma loudspeaker also features a pole mount socket ensuring the long-throw HF driver projects the sound directly to your audience. There are also 5 x M8 rigging points for safe and secure flying where needed. Sigma series are also coated in the latest generation chip-resistant, Rhino Rock paint.
Double roll surround
For the LF drivers, engineers have incorporated a curvilinear, double-roll surround for smooth mid-high transitions and stability for low through to mid range frequencies. Sigma 12 and Sigma 15 use a 2.5” voice coil for improved thermal dissipation and consistent delivery at the highest of volumes throughout a performance. The 44mm titanium diaphragm HF compression driver is equally robust in design – using a solid aluminum rear plate, the HF driver is strengthened for durability and heat is dissipated efficiently for demanding environments. Wharfedale Pro engineers have selected a 90° x 60° rectangular waveguide optimised for wide coverage for fixed installation purposes.
FINE-TUNED CROSSOVER
The crossovers ensure perfect integration between the drive units and acoustic properties of the cabinet. Electronic components are carefully selected, while over-complex networks have been avoided to maintain a pure and strong audio signal. Engineers have fine-tuned the crossover points for vocal intelligibility and tuned the high frequencies for long-throw to ensure clear coverage right to the back of your venue.
SPECIFICATIONS
Model Name SIGMA-8 SIGMA-10 SIGMA-12 SIGMA-15 SIGMA-18B SIGMA-V4 SIGMA-V8 System Type Passive Passive Passive Passive Passive Passive Passive Configuration Two-way Two-way Two-way Two-way Subwoofer Full Range Full Range Frequency Response (+/-3 dB) 70 Hz – 18 KHz 65 Hz – 18 KHz 60 Hz – 18 KHz 50 Hz – 18 KHz 35 Hz – 250 Hz 160 Hz – 17 KHz 130 Hz – 17 KHz Frequency Range (-10 dB) 65 Hz – 20 KHz 60 Hz – 20 KHz 60 Hz – 20 KHz 45 Hz – 20 KHz 30 Hz – 250 Hz 150 Hz – 20 KHz 120 Hz – 20 KHz Sensitivity 2.83 v / 1 m 96 dB 97 dB 98 dB 98 dB 100 dB 95 dB 97 dB Calculated Maximum SPL @1 m 124 dB 126 dB 129 dB 129 dB 133 dB 123 dB 128 dB System Rated Impedance 8 Ω 8 Ω 8 Ω 8 Ω 4 Ω 8 Ω 8 Ω Low Frequency Transducer Size (mm / inches) 203 mm / 8” 254 mm / 10” 305 mm / 12” 381 mm / 15” 457 mm / 18” 4 x 75 mm / 3″ 8 x 75 mm / 3″ Voice Coil Size (mm / inches) 38 mm / 1.5” 38 mm / 1.5” 64 mm / 2.5” 64 mm / 2.5” 64 mm / 2.5” 33 mm / 1.3″ 33 mm / 1.3″ Rated Impedance 8 Ω 8 Ω 8 Ω 8 Ω 4 Ω 8 Ω 4 Ω LF Power re:AES2-2012 150 w 200 w 300 w 350 w 500 w 40 w 40 w High Frequency Transducer HF Driver Type Compression Driver Compression Driver Compression Driver Compression Driver na na na Coil Size (mm / inches) 25 mm / 1” 44 mm / 1.75” 44 mm / 1.75” 44 mm / 1.75” na na na Exit Size (mm / inches) 1″ 1″ 1″ 1″ na na na Diaphragm Material Polymer Titanium Titanium Titanium na na na Rated Impedance 8 Ω 8 Ω 8 Ω 8 Ω na na na HF Power re:AES2-2012 25 w 40 w 40 w 40 w na na na Nominal Coverage (H x V) 90˚ x 60˚ 90˚ x 60˚ 90˚ x 60˚ 90˚ x 60˚ na 160˚ x 40˚ 160˚ x 30˚ Power System Continuous Power 150 w 200 w 300 w 350 w 500 w 150 w 300 w System Programme Power 300 w 400 w 600 w 700 w 1000 w 300 w 600 w System Peak Power 600 w 800 w 1200 w 1400 w 2000 w 600 w 1200 w Crossover frequency 2.8 KHz 2.4 KHz 2.2 KHz 2.2 KHz 150 Hz na na Input Connector 2 x NL4 (speakON compatible) 2 x NL4 (speakON compatible) 2 x NL4 (speakON compatible) 2 x NL4 (speakON compatible) 2 x NL4 (speakON compatible) 1 x NL4 (speakON compatible) 1 x NL4 (speakON compatible) Hi Pass output connector 1 x NL4 (speakON compatible) Hardware 35 mm pole socket Dual-angle (0° /10°) 35 mm socket Dual-angle (0° / 10°) 35 mm socket Dual-angle (0° / 10°) 35 mm socket 35 mm pole socket Bracket Bracket M8 x 5 M8 x 5 M8 x 5 M8 x 5 1 handle on back 1 handle on back 2 handles on sides 2 handles on sides 4 handles on sides Enclosure Enclosure Material 12 mm MDF 15 mm MDF 15 mm MDF 15 mm MDF 18 mm MDF 12 mm MDF 12 mm MDF Finish Black Paint / White Paint Black Paint / White Paint Black Paint / White Paint Black Paint / White Paint Black Paint / White Paint Black Paint / White Paint Black Paint / White Paint Grille Material & Finish 1.2 mm steel, painted 1.2 mm steel, painted 1.2 mm steel, painted 1.2 mm steel, painted 1.2 mm steel, painted 1.2 mm steel, painted 1.2 mm steel, painted Dimensions – Unpacked Height 430 mm / 17″ 500 mm / 19.5″ 537 mm / 21″ 635 mm / 25″ 554 mm / 21.25″ 445 mm / 17.5″ 805mm / 31.7″ Width Front 272 mm / 11″ 383 mm / 13.3″ 354 mm / 14″ 435 mm / 17″ 502 mm / 20″ 116 mm / 4.6″ 116 mm / 4.6″ Width Rear 158 mm / 6″ 213 mm / 8.4″ 218 mm / 8″ 261 mm / 11.7″ 502 mm / 20″ 85 mm / 3.3″ 85 mm / 3.3″ Depth 277 mm / 13.5″ 339 mm / 13.3″ 359 mm / 14″ 439 mm / 17.25″ 780 mm / 30.8″ 115 mm / 4.5″ 115 mm / 4.5″ Dimensions – Packed Height 505 mm / 20″ 585 mm / 23″ 625 mm / 24.6″ 720 mm / 28.35″ 649 mm / 25.5″ 520 mm / 20.5″ 880 mm / 34.5″ Width Front 363 mm / 14.25″ 451 mm / 18″ 468 mm / 18.4″ 553 mm / 21.75″ 588 mm / 22.75″ 220 mm / 8.7″ 220 mm / 8.7″ Width Rear 196 mm / 7.71″ 254 mm / 10″ 260 mm / 10.2″ 303 mm / 12″ 588 mm / 22.75″ 220 mm / 8.7″ 220 mm / 8.7″ Depth 322 mm / 12.75″ 384 mm / 13.3″ 404 mm / 15.9″ 488 mm / 19.2″ 865 mm / 34″ 220 mm / 8.7″ 220 mm / 8.7″ Weight Net Weight 7.8 kg / 17 lbs 15.4 kg / 34 lbs 18.2 kg / 40 lbs 23.4 kg / 51.5 lbs 39.1 kg / 86 lbs 3 kg / 6.6 lbs 5.6 kg / 12.32 lbs Gross Weight 8.8 kg / 19 lbs 17.8 kg / 38.5 lbs 20.9 kg / 45 lbs 26.7 kg / 58.7 lbs 46.4 kg / 102 lbs 3.6 kg / 8 lbs 6.6 kg / 14.2 lbs
Downloads
Sigma Series Media library
(External link to OneDrive library)