Pro7BK: The Pro-7 offers a feature set that compliments the Heil Sound standard for headset design. Unlike copies of various aviation type headsets, the PRO-7 is not a copy. It brings new technology to the headset industry. The 2″ thick gel foam ear pads provide extreme comfort for extended periods of time while exhibiting passive noise reduction rated at -26dB, ideal for use in high ambient noise environments. Using technology Bob Heil learned from Paul Klipsch back in the early 70’s, the ear cup enclosures were tuned to the free air cone resonance of the speaker cone thus providing very low distortion with maximum voice articulation providing the ultimate sound reproduction for communications. The exclusive Heil Phase Reversal system (HPR) allows you to acoustically move the signals forward and creates a spatial widening of the sound field. This feature makes it easier to pull a weak signal from a pileup \u2013 useful for DXPeditions and contests as well as a stress reliever as your change the phase angle of the program source. A speaker balance control allows preferred level between the speakers.
\nThe PRO-7 has interchangeable microphone system allows the microphone element to be easily changed in the field for different types of applications. The low distortion Dynamic HC-7 element exhibits a frequency response of 100 Hz – 12 kHz with the -3dB points at 100 Hz and 12 kHz. The traditional Heil speech articulation rise is centered at 2K -4KHz with properly balanced highs and lows. The impedance is 600 ohm. The HC-7 is one of our best microphone elements for speech articulation. <\/p>\n
Features:
\nAdjustable stainless steel headband
\nSpecially designed foam-gel ear pads provide 26 dB PNR outside noise reduction – an space set of ear pads are included
\nWashable cotton cloth ‘booties’ cover the ear pads
\n40 mil high-response speakers produce extremely clear voice articulation
\nAcoustically dampened speaker enclosure
\nNegative 3dB points set at 80 Hz to 12 kHz
\nSpeaker balance control adjusts level between the two speakers
\nFull Stereo, two channel reception, perfect for Dual-Watch receiving systems
\nMilitary spec cable system using 6-pin mini XLR and fiber reinforced cable
\nConnects to standard Heil headphone adapters
\nTwo types of military grade cables are included; straight and coiled
\nDetachable cables with comfortable ‘Soft Touch’ in-line 2 in. diameter PTT
\n1 in. thick, 6-section foam headband for maximum comfort
\nHeil’s EXCLUSIVE Speaker Phase reversal helps to ‘dig out’ the weak signals<\/p>\n
Specifications:
\nGenerating Element Pro-7: DYNAMIC
\nPro-7 iC: iC Electret
\nFrequency Response Pro-7: 100 Hz – 12 kHz
\nPro-7 iC: 35 Hz – 12 kHz
\nPolar Pattern Pro-7: Heil Cardioid
\nPro-7 iC: Cardioid
\nImpedance Pro-7: 600 Ohms
\nPro-7 iC: 1.5k Ohms
\nOutput Level Pro-7: -57 dB @ 1 kHz
\nPro-7 iC: -48 dB @ 1 kHz
\nWeight: 17oz<\/p>\n
Note: PRO 7. Requires Heil AD-1 Series adapter cable to fit your particular radio.<\/p>\n","protected":false},"excerpt":{"rendered":"
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