JAMO C 80 User's Manual
Contents
1. Woofer mm in Midrange mm in Tweeter mm in Power W long short term Sensitivity dB 2 8V 1m 2 8V 1m Frequency range Hz Impedance Ohm Rated output W Weight kg Ib Dimensions frame baffle cabinet mm in HxWxD Dimensions hole mm in HxWxD Back box size litre in Optional RIK Finish 3 way bass reflex 2x 180 7 180 7 25 1 DTT 200 400 89 30 24 000 33 6 74 1 1157 x 252 x 428 45 6 x 9 9 x 16 9 Black ash Dark apple 2 way bass reflex 180 7 180 7 25 1 DIT 180 360 89 35 24 000 28 3 62 4 1007 x 242 x 406 39 6 x 9 6 x 16 0 Black ash Dark apple A KLIPSCH GROUP COMPANY E he E 2 way bass reflex 155 6 155 6 25 1DTT 160 320 88 40 24 000 18 5 40 8 877 x 201 x 347 34 5 x 7 9 x 13 7 Black ash Dark apple 2 way bass reflex 180 7 25 1 DTT 125 250 87 45 24 000 9 9 21 8 380 x 225x341 15 0x8 9x 13 4 Black ash Dark apple C80CEN 2 way bass reflex 2x155 6 25 1 DTT 160 320 88 70 24 000 11 6 25 6 212 x 501 x 281 8 3 x 8 9 x 13 4 Black ash Dark apple C80 SUR 2 way dipole 2x 155 6 2x 25 1 DTT 160 320 87 65 24 000 7 5 16 5 293 x 286 x 181 11 5 x 11 3 x 7 1 Black ash Dark apple C 80 SUB Closed 2x254 10 20 200 22k 1800 25 0 55 1 447 x 390 x 432 17 6 x 15 4 x 17 0 Black ash Dark ap2. series is the C 809 And here we re not just talking about another high quality speaker from Jamo This impressive 3 way speaker is the very embodiment of Danish Sound Design superbly cutting edge sound technology enclosed in beautifully designed cabinets of the highest quality and finish One level down you will find the C 807 an exceptionally melodic speaker The C 807 is the natural choice front speaker for any high end surround system Yet it can also deliver a great musical experience performing as a stereo speaker either with or without the C 80 SUB Although the woofer units have been adjusted in size to fit the smaller cabinet technically speaking the C 805 has exactly the same state of the art technology armoury as its bigger brothers This makes C 805 a real best buy if you want to reproduce genuine concert and cinema sound in a smaller room preferably backed up by the C 80 SUB Spelt with a capital C as in Concert C 803 C 803 IW Made for more Like the whole C 80 range C 803 is constructed with arch shaped sides that together with internal bracing makes the cabinet extremely rigid This ensures a clean and well defined reproduc tion of midrange detail If you want a fully integrated sound solution then consider our C 803 IW which is an identical in wall version of C 803 C 803 IW is supplied with both a paintable grill and a black front cloth C 80 CEN Screened for the screen C 80 CEN uses the same tweeter as
3. the rest of the C 80 range to achieve optimum vocal clarity partnered by a pair of the same driv ers used in C 805 and C 80 SUR for maximum timbral accuracy Natu rally the C 80 CEN centre speaker is magnetically shielded to avoid image distortion when used in combination with a traditional CRT television Thanks to the rubber cradle it is easy to adjust the angle of the speaker in relation to your listening position C 80 SUR Welcome to reality If you want to create the perfect surround sound experience it s vital that the rear speak ers generate sound diffusely The C 80 SUR add to this experience by performing as left and right surround speakers to create the perfect interaction with the front speakers To improve the performance of the dipolar arrangement Jamo has developed the unique eXtended Bass Response XBR system This allows the C 80 SUR to combine the best from both bipolar and dipolar configurations If you wish an even more discreet surround solution you may alternatively consider the unique in ceiling surround speaker SU6 521K4 from our Custom program This would work perfect with e g C 803 IW as front speaker C 80 SUB How low can you go C 80 SUB is a front and rear firing subwoofer equipped with two 254mm 10mm aluminium cone woofers in a closed cabinet The heart of this low frequency power plant is a 1800W BASH amplifier which should be more than enough for both the most demanding mu sic love
4. Let us _ entertain you JAMO C 80 SERIES Jamo C 80 series C 80 is a series of top of the range stereo and surround speakers from Jamo Based on the experience our develop ment team gained from creating classic models such as the E 8 and D5 this series of seven speakers draw on the very latest speaker technologies and construction techniques The aim of this series is to recreate the perfect concert experience nothing more and nothing less Regardless of size every speaker in the series is represented by the capital C as in Concert The sculptural C 80 speakers with their exceptional level of finish and perfectly balanced sound are a tribute to the great music and film experiences that we all love and take such remarkable pleasure from As all of the speakers in the series are developed using the same uncompromising philosophy it s possible to combine them in a number of different ways Sonically the C 80 family is characterised by its genuinely authentic acoustics The series always conveys highly detailed and beautifully sound across the entire frequency spectrum And selecting a system that includes the unique C 80 SUB will deliver an almost shockingly well defined dynamic auditory experience Whether you are looking for the ideal cinematic thrill or the perfect musical experience the C 80 series is guaranteed to blow your acoustic window wide open C 809 C 807 C 805 Made for serious listening The flagship of the C 80
5. dity and the membrane s conical shape ensures the unit creates clear and detailed sound with very little distortion even at high sound pressures This combines with the natural rubber suspension which effectively prevents vibrations from travelling back to the diaphragm the result being a very well controlled diaphragm that operates without break ups up to 4kHz well beyond its working range en 0 dB SE a 25 0 20 0 A 1 00 15 0 1 50 10 0 2 00 5 0 2 50 msec MLSSA 1k 2k Cumulative Spectral Decay IEX Frequencies Hz Jamo HCC operates without break ups in critical areas 0 00 F gt gt e gt N fp gt 1 00 ZT E HRK 2 50 msec MLSSA dB 25 0 20 0 15 0 10 0 5 0 1k 2k Cumulative Spectral Decay IEX Frequencies Hz Conventional speakers don t fare so well Jamo Tech platforms Motional Feedback MFB C 80 SUB features a Motional Feedback circuit When a large woofer has been abruptly driven by a strong sonic impulse such as an explosion or a timpani the woofer continues moving after the impulse stops The MFB circuit com pares the impulse to be reproduced with the actual movement ofthe woofer If the woofer moves unnaturally in relation to the input signal the MFB circuit corrects the error before it becomes audible Furthermore the MFB makes it possible to equalize the subwoofer to go deeper without losing any precision The res
6. e dispersion This problem is solved with the Jamo WaveGuide The completely smooth design of the WaveGuide also reduces diffraction to an absolute minimum Finally the WaveGuide increases treble output in the lower treble range which means the tweeter needs less power for the same SPL So power handling is improved and distortion is reduced dB SPL Vv Off axis WaveGuide Normal tweeter 100 200 500 1k 2k 5k 10k 20k The WaveGuide results in a uniform treble dispersion pattern from 10kHz all the way down to the critical x over point at 2kHz and thus secures a seamless transition to the mid woofer both when listen ing on and off axis DTT Decoupled Tweeter Technology DTT Decoupled Tweeter Technology is a remarkable mounting system specially developed by Jamo One of the biggest challenges when designing speakers is preventing unwanted cabinet vibrations from clouding or colouring the sound High frequencies are particularly susceptible This problem is solved using the ingenious Jamo DTT By decoupling the tweeter from the rest of the loudspeaker vibrations trans mitted from the front baffle to the tweeter are reduced by more than 20dB resulting in an uncommonly detailed and realistic reproduction of high fre quencies Patent pending dB 125 120 115 110 105 100 95 90 85 80 75 70 Normal face plate DIT Overplot 60 0 100 0 1000 0 Difference between vibrations in anormal face p
7. ive Impedance Control Impedance Ohm driver with AIC driver without AIC 30 25 200 500 1k 2k 2k 10k 20k Frequenzy Hz The effect of AIC is a clearer midrange with a markedly reduced roughness es pecially noticeable on vocal reproduction In figures this amounts to a reduc tion of third order harmonic distortion of around 6dB ie a 50 reduction Harmonic distortion dB 35 40 45 50 55 60 65 200 500 driver with AIC driver without AIC 1k 2k Frequenzy Hz When a voice coil is moving in and out of a magnet gap it changes induc tion When the coil moves inward the induction increases and vice versa This causes the current from the amplifier to be modulated creating very audible distortion Furthermore the current flowing in the voice coil modulates the magnetiza tion of the magnet assembly which also causes distortion of the current By using an extra coil placed inside the voice coil with opposite polarity to the voice coil winding the inductance variation and the flux modulation can be significantly counteracted Compared to the conventional conductive rings in a magnet system AIC has the advantage that it is significantly better at higher frequencies i e in the midrange on voices where distortion is most audible to the human ear Model Placement FRONT Placement CEN Placement SUR Placement SUB System
8. late and vibra tions in a face plate employing Decoupled Tweeter technology Jamo Tech platforms Centre Plug The Centre Plug replaces the traditional dust cap making the cone both lighter and more responsive while also cooling the voice coil resulting in a higher power handling and a stable sound reproduction when playing loud The de sign allows increased power handling capabilities along with a more uniform precise and dynamic reproduction of sound The Centre Plug also prevents potential break up points where the dust cap would have been glued to the cone In addition it prevents over and under pressure behind the dust cap when the cone moves back and forth The advantage is more dynamic and precise sound reproduction dB SPL Centre Plug Normal speaker unit 50 100 200 500 1k 2k 5k Sound pressure level from a speaker with Centre Plug compared to one without when playing at high play back level A ee EA o A Ten an a f PA a i He al po r f a Tr are e itm Fr ehe Ta neh tree Ei ma i PET A a Pager ae aie ee eri m Le j aby a i Merana aaa pira A ee u ag ee de amar ne in ar x d Me parao Bb q e A ra A A me T 4 a a AA A Bu ag ur Ca HCC Hard Conical Cone The HCC technology Hard Conical Cone enables the driver to reach far beyond midrange frequencies before any significant cone break ups occur The mate rial s rigi
9. ple C 803 IW 2 way closed 180 7 25 1 DTT 125 250 87 45 20 000 400 x 270 x 85 15 7 x 10 6 x 3 3 347 x 225x110 13 7 x 8 9 x 4 3 14 854 White paintable and Black grill incl A AR e Mi www jamo com SU6 521K4 as u 3 way dipole bipole 165 6 2 38 1 25 1 Dome 60 120 90 60 22 000 4 8 switchable 2 8 6 2 342 13 5 307 x 184 12 1 x 7 3 23 1400 RIK10 5LW White paintable an i At T le a h k
10. rs and serious film fans everywhere With C 80 SUB you not only get the traditional options of adjusting and fine tuning your subwoof er s sound level phase and cut off frequency you also get a variable boundary gain compensation giving you the opportunity to offset the harmful effects that a room can have on sound at the lowest frequency levels C 80 SUB also features Motional Feedback MFB technology which results in a very accurate and dynamic sound C 80 SUB also features a 12V trigger input so it can be turned on and off from a A V receiver controller that has a 12V output ensuring that the subwoofer always will be active when the A V receiver controller is turned on Black ash Dark apple White C 803 IW Jamo C 80 page 03 Spelt with a capital C as in Concert Zn A _ u C 803 C 803 Jamo Tech platforms Jamo C80 page 05 WaveGuide WaveGuide refers to the unique way Jamo has shaped the tweeter s face plate The result is a controlled sound pattern with a more open and dynamic reproduction of sound WaveGuide makes it easier to position the speakers in the room Another big challenge is to secure a uniform dispersion pattern in the tre ble and midrange frequencies In general dispersion gets narrower at high er frequencies Consequently in the area where the mid woofer and the tweeter should integrate smoothly the mid woofer has a narrow dispersion and the tweeter has a wid
11. ult is incredibly accurate deep bass full of punch and dynamics Motional Feedback MFB Impulse response V Time msec Boundary Gain Compensation The Boundary Gain Compensation filter in C 80 SUB compensates for the room influence at low frequencies as any room amplifies the lowest frequen cies The magnitude of the room s amplification depends on the room size and where the sub is positioned in the room normally it increases the closer the sub get to a wall This can result in too high a bass level from approx 60Hz and increasing downwards in the range between 20 30Hz it peaks up to 5 10dB in an average room At first this could sound really impressive but the sound quickly begins to sound boomy especially when listening to music and rather annoying So the Boundary Gain Compensation ensures a very linear in room bass response and gives you more flexibility when it comes to placement and choosing your favourite listening position Boundary Gain Compensation SPL Volts 0 33 oct 10 0 100 0 Frequenzy Hz Jamo C80 page 07 Active Impedance Control AIC All C 80 mid woofers feature Active Impedance Control AIC an innovative extension of existing techniques to reduce distortion in electrodynamic loud speaker drivers The AIC makes the impedance more linear in the mid and high frequency range AIC also increases the sensitivity and total SPL in the upper range of the driver AIC Act
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