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Page 31 of MFJ 2006 Catalog by MFJ Enterprises, Inc.What did you say? Can you hear but . . . just cant always understand what people are saying? As we get older, high frequency hearing loss reduces our ability to understand speech. Heres why . . . Research shows that nearly half the speech intelligibility is contained in 1000 to 4000 Hz range, but contains a miniscule 4% of total speech energy. On the other hand, the low frequencies, 125 to 500 Hz have most of the speech energy (55%) but contribute very little to intelligibility only 4%. To dramatically improve your ability to understand speech, you must: First, drastically increase the speech energy above 500 Hz, where 83% of the speech intelligibility is concen-trated. Second, drastically reduce speech energy below 500 Hz where only 4% of speech intelligibility lies. The MFJ- 616 splits the audio speech band into four overlapping octave ranges centered at 300, 600, 1200 and 2400 Hz. You can boost or cut each by nearly 20 dB. A balance control and separate 2 1/2 Watt amplifiers let you equalize perceived loudness to each ear so both ears help. By boosting high and cutting low frequencies and adjusting the balanced control, speech that you can barely under-stand become highly understandable! Even if you dont have high frequency hearing loss, youll dramatically improve your ability to understand speech. QST for April, 2001 said I expected a subtle effect at best, but I was astonished . . . The result was remarkably clean, understandable speech without hissing, ringing or other strange effects . . . made a dramatic improvement . . . Immune to RFI. Has phone jack, on/off speaker switch, 2 inputs, bypass switch. 10Wx2 1/2Hx6D . Needs 12 VDC. MFJ-1316, $19.95. For 110 VAC operation. Provides 12 VDC/1.5 Amps. MFJ-72, $58.80. All-in-one MFJ- 616 Accessory Pack. Includes MFJ-392B headphones, two MFJ-281 speakers and MFJ-1316 power supply. Save $7! MFJ Speech Intelligibility Enhancer MFJ-616 $169 95 Ship Code B MFJ...The World Leader in Amateur Radio Accessories 31 MFJ Audio Products for Better Communication Plug in this MFJ Clear Tone TM speaker and bring out speech fidelity that you never knew existed. MFJ-281 restores the smooth sound of sinewaves that CW naturally generates and makes it easy to understand and copy. The MFJ-281 ClearTone TM speaker was carefully designed to improve the intelligibility of speech in the frequency range of 600 to 4000 Hz while reducing undesirable noise, static and hum. 3-in. speaker handles 8 Watts. 8 Ohms impedance, has six feet of cord terminated with a 3.5 mm mono plug. Tiny, compact 3 3/4x3x2 1/4 inches, but powerful booming sound! MFJ Compact Mobile Speaker Enjoy superb audio and convenience with this economical mobile speaker. Matches 8 and 4 ohm impedances. Handles 3 Watts. 30-in cord lets you get it to your rigs speaker output. Tiny 2 1/2x2x3 inches fits anywhere. Tough ABS plastic cabinet is built to last. MFJ-392B is perfect for amateur radio and shortwave radio listening. Great for all modes SSB, FM, AM, data and CW. Each earphone its own volume control. Superb padded headband and ear cushioned design makes listening extremely comfortable. Youll forget theyre even on as you listen to stations all over the world! High-performance driver unit reproduces enhanced communication sound. Signals never sounded so crystal clear! Bring out speech fidelity you never knew existed. Has free 1/4 inch phono adaptor. Has gold plated plug and cord. Super lightweight earphones (8 ounces) come with 9 feet of cord for roaming around. MFJ-392B handles 450 mW and has a frequency response of 20-20,000 Hz. Impedance is 32 ohms, sensitivity is 102 dB/mW. Works in stereo mode with 3.5 mm plug. Works mono with 1/4 inch adapter. MFJ brings you ultra high quality communication audio with ham radios most advanced communication speaker. How? By using Americas most modern speaker design, advanced speaker cone and voice coil materials and construction, and a carefully crafted, accoustically-rigid cabinet. Handsome black cabinet measures 5 1/4Wx9 3/4Hx6 1/2D in. You wont believe the clarity and depth of the audio when you hear the incredible improvements in speech intelligibility and CW tone. 4-in. full range speaker. It also reduces listening fatigue. It can literally transform your transceiver! The smooth, wide range response of the MFJ- 385B gives you faithful reproduction with no hint of unwanted resonances and sound coloration. Speech becomes more intelligible and easier to understand. Pure sine wave tones of CW make copying and tuning in signals easier and faster. Amplified ClearTone TM Speaker MFJs Deluxe ClearTone TM speaker is an excellent 1watt amplified speaker for many uses. The MFJ-382 gives superb, loud and powerful ClearTone TM audio. Speaker is 3-in. diameter. Adjustable from barely audible to high volume, this rugged speaker is sturdy and compact. All metal cabinet with rubber feet. 3 1/2x1 3/4x4 1/2 in. 9 volt battery (not included) or 110 VAC with MFJ-1312D, $14.95. MFJ Shortwave Radio Communication Headphones MFJ-281 $12 95 Ship Code A MFJ Deluxe Communication Station Speaker Tiny powerful MFJ CyberEar TM plugs in and loops over ear -captures and amplifies sounds by 12 dB! Extends your hearing range, helps you hear every word at hamfests and club talks even if youre on the back row! Great for eyeball QSOs. Volume control, on/off switch. For left or right ear. 3 interchangeable ear plugs. Flesh color hardly noticeable. Super lightweight 10 grams with battery! Includes batteries. Hear even better buy one for each ear! 30 day money back if not absolutely delighted. Not a hearing aid. Super CyberEAR TM Hear everything! Capture and amplify sounds up to 50 dB! Left or right ear plugs, volume control, extremely small. Not a hearing aid. MFJ CyberEAR TM! MFJ-388 $29 95 Ship Code A MFJ Cleartone TM: Our most Popular Speaker MFJ-280 $19 95 Ship Code A MFJ-382 $39 95 Ship Code A ...makes barely understandable speech highly understandable! MFJ-392B $19 95 Ship Code A MFJ-389 $59 95 Ship Code A MFJ-385B $39 95 Ship Code B[close] |
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