Fostex FF105WK User's Manual
Contents
1. o126 090 575 38 15 o104 FFi6SWK 0143 6 otee 785 405 o174 o120 72 46 20 ose Freeswk o182 208 937 405 0220 o145 865 52 18 o185 Circular hole Slotted hole E FF85 105 125WkK outer shape drawing W FF165 225WK outer shape drawing H Baffle hole drawing IE PLUS nar Nee o a a RED MARKING PLUS TERMINAL RED MARKING Frequency Response MFF85WK MFFIO5WkK 110 110 100 100 90 Q 90 64 m 80 ao 80 60 32 60 70 70 60 16 60 50 8 50 F IMPEDANCE IMPEDANCE 40 4 40 dB dB 20 Hz 50 100 200 500 1k 2k 5k 10k 20k 50k 20 Hz 50 100 200 500 1k 2k 5k 10k 20k 50k MFFI25WkK MFFI65WK 110 110 100 100 90 Q 90 7 30 64 30 80 80 32 60 70 70 60 60 16 60 50 A 8 50 i H IMPEDANCE IMPEDANCE 40 4 40 dB dB 20 Hz 50 100 200 500 1k 2k 5k 10k 20k 50k 20 Hz 50 100 200 500 1k 2k 5k 10k 20k 50k E FF225WK 110 100 902. CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK th E o Mah fo equilateral Bah i intende o aler e user to e presence oft importan NO USER SERVICEABLE PARTSINSIDE operating and maintenance servicing instructions in the REFER SERVICING TO QUALIFIED SERVICE PERSONNEL literature accompanying the appliance WARNING Avertissement To reduce the risk of fire or electric shock do not expose apparatus to rain or moisture Pour r duire le risque d incendie ou de choc lectrique ne pas exposer cet appareil sous la pluie et humidit IMPORTANT SAFETY INSTRUCTIONS Read these instructions Keep these instructions Heed all warnings Follow all Instructions Do not use this apparatus near water Clean only with dry cloth Do not block any ventilation openings Install in accordance with the manufacturer s instructions 8 Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat 9 Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on
3. Specifications amp Thiele Small Parameters FF85WK FF105WK_ FF125WK FF165WK FF225WK Dimensions amp mounting information Size 80mm 3 2 100mm 4 0 120mm 4 8 _ 160mm 6 3 200mm 7 9 EF85WK FFIOSWK FFI25WK FF165WK FF225WK Overall diameter 83mm 3 3 107mm 4 3 117mm 4 7 166mm 6 6 208mm 8 2 Standard enclosure __ Bass Reflex Bass Reflex Bass Reflex Bass Reflex Bass Reflex Baffle hole diameter 73mm 2 9 93mm 3 7 104mm 4 1 146mm 5 8 185mm 7 3 innar volume _ 35 amp 9 18 28 Depth 46 7mm 2 0 52 8mm 3 0 61 3mm 3 0 76 6mm 4 0 91 7mm 4 07 He Voice coil diameter 16mm 0 7 20mm 0 8 25mm 1 0 35mm 1 4 50mm 2 0 H inside dimension 223 264 296 380 435 Cast Stamped Stamped Stamped Stamped Stamped Stamped Height to the center 65 65 70 100 T10 Impedance 80 8Q 8Q 8Q 8Q paginas center 55 60 60 90 100 Reproduction frequency response fs 28kHz_ fs 25kHz_ fs 22kHz fs 21kHz fs 17kHz at duck H2 Sound pressure level 86 5dB W m 88dB W m 89dB W m 92dB W 1m 93dB W 1m Ductiengn O 100 85 100 145 190 Rated input 5W 10W 16W 30W 34W Duct diameter oD 040 040 040 065 065 Music power 15W 30W 50W 90W 100W Tuning frequency fb 92Hz 72 Hz 57 Hz 54 Hz 39 Hz Magnet weight 187g 0 412lb
4. 340g 0 750lb 3889 0 855lb 8489 1 869lb 1 067g 2 352lb Net weight 4509 0 992Ib 800g 1 764lb 920g 2 028lb 1 950g 4 299 b 3 520g 7 760lb D Equivalent diaphragm radius a 30mm 40mm 46mm 65mm 84mm Effective cone diameter D 60mm 80mm 92mm 130mm 168mm Surface area of cone Sd _0 0028m 0 005m2 0 0066m2 0 0132m2 0 022m Nominal impedance Zn 80 80 80 80 80 Resonance frequency Fs 115Hz 75Hz 67Hz 50Hz 44Hz DC resistance Re 7 20 6 70 6 70 6 50 60 Coil inductance Le 0 032mH 0 041mH 0 044mH 0 056mH 0 068mH Mechanical Q Qms 3 298 4 203 5 091 4 19 2 31 Electromagnetic Q Qes 0 683 0 463 0 464 0 373 0 409 Total Q Qts 0 55 0 41 0 42 0 34 0 35 Equivalent mass Mms 2g 3 4g 5g 9 5g 18 4g BL product Factor force BL 3 93Tesla m 4 823Tesla m 5 596Tesla m 7 227Tesla m 8 488Tesla m Compliance equivalent volume Vas 1 036L 4 848L 7 265L 27 838L 57 898L Voice coil overhang Xmax _0 35mm 1 7mm 1 65mm 1 85mm 2 25mm Reference efficiency nO Eff mo 0 246 0 42 0 451 0 908 0 995 Mechanical compliance of suspension Cms _0 909m N 1 346m N 1 153m N 1 068m N 0 826m N Efficiency bandwidth product EBP 168 375 161 987 144 397 134 048 107 579 The lightning flash with arrowhead symbol within an equilat AUTION ct tee a CAU eral triangle is intended to alert the user to the presence of RISK OF ELECTRIC SHOCK uninsulated dangerous voltage within the product s enclo DO NOT OPEN sure that may be of sufficient magnitude to constitute a risk of electric shock to persons
5. Q 30 64 80 f 60 32 70 60 16 50 i 8 IMPEDANCE 40 4 dB 20 Hz 50 100 200 500 1k 2k 5k 10k 20k 50k
6. supply mains the mains plug of the apparatus shall be disconnected from the mains socket outlet completely La prise du secteur et utilis pou d connecter le syst me La prise du secteur ne doit pas tre obstru e ou doit tre facilement acces sible pendant son utilisation Pour tre compl tement d connect de l alimentation d entr e la prise doit tre d branch e du secteur 3 2 35 Musashino Akishima shi Tokyo Japan 196 0021 PRINTED IN CHINA MARCH 2011 535483 OWNER S MANUAL FULL RANGE SPEAKER UNIT FF105WK FF85WK Thank you for purchasing our product FF WK series are full range speaker units ideally and exclusively designed for a bass reflex enclosure The previous FF series speaker units construction has thoroughly been rede signed on the FF WK series With a new addition of 10 cm diameter speaker unit to the product range new tech nologies such as a double layer paper cone a ridge dome shape aluminum alloy center cap and a pocket neck damper have been employed for high quality sound Even with these new technologies FF WK series inherit the previous FF series bright and realistic sound character and achieve a powerful low sound and non characterized high frequency sound reproduction Please read this manual carefully before use Main Features e Double layer cone up roll edge using a new material A double layer cone paper consists of two layers One is a basic laye
7. or pinched particu larly at plugs convenience receptacles and the point where they exit from the apparatus 11 Only use attachments accessories specified by the manufacturer 12 Use only with the cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip over Fostex NOOROND FOSTEX CO 13 14 15 16 17 Unplug this apparatus during lightning storms or when unused for long periods of time Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped The apparatus shall be used in an open area Cet_appareil doit tre utilis dans un endroit a aire ouverte Apparatus shall not be exposed to dripping or splashing and that no objects filled with liquids such as vases shall be placed on appara tus L appareil ne doit pas claboussures et aucun objet ne contenant de liquide tel qu un vase ne doit tre plac sur lobjet Mains plug is used as disconnect device It shall remain readily operable and should not be obstructed during intended use To completely disconnect the apparatus from
8. r and the other is a surface layer In the FF WK series a long fibered low freeness wooden pulp is used for the basic layer which has high rigidity realized by the large volume structure and appropriate internal loss For the surface layer the bincho charcoal powder is blended with a short fibered high freeness kenaf which allows to accelerate the propagation speed on the cone paper surface The up roll edge shape realizes a long stroke A polycarbonate series material which has opposite physicalities of high loss and high Young s modulus is specially blended with urethane foam X The color tone of FF WK series cone paper is created by the bincho charcoal and no dye is used Due to this fact there is a case that the color tone slightly differs from each other e Ridge dome shape aluminum alloy center cap Mechanical 2 way construction A ridge dome shape center cap made of aluminum alloy is employed Dispersing and deadening a resonance occurred at a specific frequency with this cap helps to ease an unnecessary sound coloration at high frequency range Also direct coupling with the voice coil bobbin expands the high frequency response e 3 point gluing Pocket neck damper 3 point gluing which glues the cone paper damper and the voice coil at one point is employed on the FF WK series Increasing the strength of the cone neck section realizes an improved high frequency response Employing the pocket shape at the damper neck section has reali
9. zed the 3 point gluing even with the usage of junction cable e Faston 205 gold coating connection terminal In order to minimize the sound variation the Faston 205 gold coating connection terminal is employed as a speaker terminal FF WK New Technology Elements Basic Layer Surface Layer wooden pulp about 4 mm of fiber length kenaf about 2 mm of fiber length Surface Layer Basic Layer Density g cm 0 697 0 77 Young s modulus Gpa 3 608 3 598 Acoustic velocity m s 2273 2158 Bending rigidity 3 264 2 8 Internal loss 0 0258 0 0298 Pocket Neck Damper Shape Diagram E Comparison on ridge conventional dome vibration mode Hi Comparison on ridge conventional dome freq response 7 dB Ridge dome Conventional dome Conventional dome diaphragm Ridge dome diaphragm 110 shape and vibration mode shape and vibration mode 100 90 80 70 60 50 X Axis objective mode occurs X Axis objective mode does not occur 40 100 200 500 1k 2k 5k 10k 20k 50k 100k Hz Outer Shape Baffle Hole Dimensions List mopoeL a s c bp Ee r re eae a i s Ne 1 38 K2 33 FFioswK 092 noz 546 45x6 0115 085 488 4 15 o93 FFi25wk 0102 2 otiz 624 405
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