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Page 49

Revised Dec 97

Index

SARA HISTORY

Introduced

1978

Discontinued

1989

Upgrade

Date Serial No.

Crossover:
Bi-wiring introduced to Sara 9

Oct. 1988

20,913/4

Sara 9:
Introduced, incorporating changes
to treble unit (countersunk screws),
bass unit (white disc removed and
plastic surround changed to
thicker rubber), crossover (now 4
ohm)

Sept. 1987 18,299/300

Sockets:
Replaced cannon sockets with
two 4 mm sockets.

Jun. 1985

16,300/1

Bass Unit:
Surround changed to plastic
material.

May 1985

16,051/2

Treble Unit:
Smoother response. Incorporates
Linn logo on front plate.

May 1984

14,731/2

Crossover:
Resistor added in parallel with
treble coil.

Feb. 1983 13,249/50

Unit Damping:
Painted with sound deadening paint.
Cabinet Material:
Material change; now has rounded
front.

Mar. 1982

10,850/1

Drive Unit:
Sealer changed from mastic to
silicone sealant.

Jan. 1980

10,440/1

Baffle:
Changed from welded plastic to
one piece moulded carbon filled ABS
with removable ring for front bass
unit. Bass unit venting increased.

Oct. 1979 10,280/81

LOUDSPEAKER HISTORY

Содержание KELTIK

Страница 1: ...LOUDSPEAKERS LINN...

Страница 2: ...nits 15 Gasket Sealed Units 16 Changing Components in the Sekrits 17 Sealing Speakers 19 Simple Speaker Phasing Test 20 Grilles New Speaker Grilles 21 Full Length Speaker Grilles 22 How to reduce the...

Страница 3: ...tely controlling the loudspeaker Although the highest quality components are used in Linn loudspeakers there are several fundamental limits to the performance of a passive loudspeaker system ACTIVE PL...

Страница 4: ...uired the other option is to locate the Power Amplifiers near the speakers and use Long Interconnect cables to the Pre Amp and short speaker leads instead 2 Drive Units Check speaker units for tightne...

Страница 5: ...ble so the unit will be need to be scrapped Finally The voice coil wire burns out and either goes open or short circuit The unit is now dead This can be confirmed by checking with a multi meter set on...

Страница 6: ...CTURINGANDTHEREFORENOTCOVERED BY MANUFACTURING WARRANTY FAULTY UNITS TREBLE UNITS Occasionally on early treble units we encountered a problem with the soft dome where the internal join between the inp...

Страница 7: ...it rubs the magnet and causes distortion The easiest way to check for this is to use a signal generator and sweep through the frequencies slowly until you hear the distortion It is sometimes possible...

Страница 8: ...or Passive speakers Overdrivenbass Replace unit chargeable Advise Customer on use of speakers Partiesordeafteenagers Trebleunitdead Blown treble Replace unit Check other Unit speaker unit Dead or low...

Страница 9: ...push cone not TREBLE dome in non portedspkrs bass mid unit Hold for a second or two and then release If unit does not pop straight out but comes out gradually then the cabinets have an air leak See S...

Страница 10: ...val replacement KanLoudspeakers PleasenotethattheKanloudspeakerGrilleisgluedinpositionandwill requiretoberemovedbeforereplacinganyunits ToremoveGrille cut a hole in the cloth near the edge of the Gril...

Страница 11: ...th aflatbladedscrewdriver 9 For enclosed type treble unit do not tin wire but remove not more then 10 mm insulation from wires and twist to ensure there are no loose strands Observing polarity insert...

Страница 12: ...into cabinet Thread all screws in carefully until slack is taken up then tighten screws Do not overtighten as this can damage the front plate 12 Clean off silicone sealer When wet scrape off excess w...

Страница 13: ...any removal replacement 2 Gasket Sealed Units The LS range of Linn loudspeakers are fitted with foam gaskets Some early ones used rubber These facilitate the removal and replacement of units and shoul...

Страница 14: ...s should be enough to ensure airtight seal 9 Place unit into cabinet and fit mounting screws WARNING Be careful not to push T nut into cabinet Thread all screws in carefully until slack is taken up th...

Страница 15: ...solder splashes 7 Remove old sealant from the mounting hole Carefully scrape away with a flat bladed screwdriver 8 Cut and tin or re tin if de soldered and solder wires to unit Observe polarity red w...

Страница 16: ...e do not overfeed as solder ball will form inside the unit Please ensure that you follow these instructions Using wire that is too long will cause shorts to magnet or wires inside the unit Using too m...

Страница 17: ...quired Replacement bass unit LS7000 On Wall SPKR 020 1 LS6000 In Wall SPKR 017 1 Procedure 1 If speaker is on wall LS7000 remove the front baffle 2 Pull off the speaker wire push on connectors from th...

Страница 18: ...o the terminal marked with a red dot 8 Refit the cabinet using the 8 M4 screws 9 Refit the socket collars and the front Grille How to replace the crossover LS7000 OnWall and LS6000 InWall Parts requir...

Страница 19: ...ides of the cabinet with special paints which both deaden and seal the cabinets or by improving the laminations and laminating both sides of the cabinet walls Leaky Loudspeaker It can be very difficul...

Страница 20: ...he positive terminal of the battery to the positive speaker terminal and the negative terminal to the negative speaker terminal here are the results you would achieve Keltik Midrangemovesoutwards Bass...

Страница 21: ...1 Locate the join in the elastic and fit this into the groove beneath the top baffle with the shiny side of the material to the outside 2 StretchtheGrilleoverthebaffle locatingtheelasticintheslotbehi...

Страница 22: ...rille has no corners To fit the Grille 1 Locate the join in the elastic and fit this into the groove beneath the top baffle with the shiny side of the material to the outside 2 Stretch the Grille over...

Страница 23: ...n solder the wires from the crossover Place carefully to one side Alternative is to leave it soldered but support the unit when you move the speaker to avoid cabinet or unit damage 5 Stand speaker upr...

Страница 24: ...R LS 500 Converting Passive KABER Loudspeakers to Aktiv This is a simple procedure which requires the removal of the passive crossovers complete with back panel and the fitting of a new back panel com...

Страница 25: ...une 1994 21 000 onwards approx NOTE When using KEILDHS in Surround Sound applications or using with other speakers in one room KEILIDHs below sn 15 400 should be wired with the POSITIVE speaker wire t...

Страница 26: ...t short Do not remove in case you wish to connect it back 8 Disconnect Upper Bass passive UB and solder to UB ACT 9 Unsolder T PASS and solder to T ACT 10 Refit the crossover on to the back panel and...

Страница 27: ...Reserved Page 27 Revised Dec 97 Index CONVERTINGKEILIDHTOAKTIV UB T UB T 2 Cut these 4 links KEILIDH LS 300 PASSIVE below sn 21 000 1 Move the wires marked T and UB 2 Cut these 4 links KEILIDH LS 300...

Страница 28: ...leave the unit soldered but be careful that you hold the unit when moving the cabinet to prevent it hitting the cabinet and causing damage 4 Stand speaker upright and remove the 4 collars from the bac...

Страница 29: ...provided with the speaker 4 Turn the speaker to other way up and remove the GRILLE and foam insert using a small pointed object 5 Remove the 8 retaining bolts from the front of the baffle taking care...

Страница 30: ...that secure the lower bass unit to the cabinet 4 Lift the bass unit out of the cabinet and place carefully on the speaker you may wish to put a soft cloth under the unit to protect the speaker front...

Страница 31: ...screwing the rod from the insert Continue until the rod is fully unscrewed from the insert then remove the rod from the speaker 9 Tighten the bolt until the insert is tight and fully home 10 Fit the s...

Страница 32: ...s Loosen the lock nuts and remove the spikes Unscrew the 4 bolts holding the existing base with the M4 Allen key 3 Remove the existing base 4 Remove any loose dust and place the base on to the speaker...

Страница 33: ...acia from bass unit of speaker and remove bass fixing screws 4 Lift out and de solder bass unit Place to one side in a safe place along with rubbergasket 5 Place speaker upside down on a clean soft su...

Страница 35: ...rs in a surround sound system The full Linn upgrade path is possible each stage providing a notable improvement in acoustic performance from bi wiring through bi amping to full active The SEKRIT louds...

Страница 36: ...voltage sensitivity of 90dB W m 2 83 Vrms allowing lower powered amplifiers to produce an impressive sound High temperature glues and an aluminium voice coil bobbin give this unit high power handling...

Страница 37: ...brackets are hidden behind the speakers TOOLSREQUIRED Spirit level Power Drill 6mm masonry drill bit No2 Pozidriv screwdriver ASSEMBLY INSTALLATION Before assembly you should check that the kit is com...

Страница 38: ...er assembly and use it to mark the position for the holes in the wall having first checked for vertical with a spirit level Now drill the holes in the wall at least 45mm deep Insert the 4 plugs and sc...

Страница 39: ...range of amplifiers and sources and gives better results in live rooms To Upgrade Index II Treble Response Applies to speakers prior to serial number 9339 40 Requires a simple resistor change in the c...

Страница 40: ...ver 9 Unsolder resistor legs and clear holes on pcb 10 Fit new resistor trim legs leaving approx 5 to 7 mm Bend legs over and solder in place Glue resistor in place if possible using hot melt glue or...

Страница 41: ...urn speaker over and remove collars from speaker sockets Using Number 2 screwdriver tap speaker socket to free crossover from cabinet 6 Removecrossoverfromspeaker 7 Locate leg of treble capacitor C1 n...

Страница 42: ...move bass unit de solder and place to one side Note red wire to terminal marked red 4 Remove crossover securing screw 5 Turn speaker over and remove collars from sockets Using number 2 screwdriver tap...

Страница 43: ...sistors Part No RES 132 Instructions 1 Remove back panel securing screws 2 Remove crossover securing screw 3 Remove collars from crossover 4 Remove crossover from back panel Prise off using flat blade...

Страница 44: ...1 Remove the Grilles put a piece of tape over each treble unit Turn the speaker upside down using the top piece from the original packing as a stand to protect it 2 Remove the eight cover securing sc...

Страница 45: ...e will be compromised if links have to be used 8 Check the wiring before fitting the cover 9 Repeat the above steps on the other speaker To test that you have wired the speakers correctly use the outp...

Страница 46: ...Treble Unit change Oct 1994 12067 8 From SPKR 015 1 to SPKR 015 2 Mid range unit upgraded from SPKR 007 4 to 5 Dec 95 13389 90 Treble unit upgraded to SPKR 015 3 Dec 96 14021 2 KEILIDH Introduced Sep...

Страница 47: ...nit Cosmetic improvement Fitted with countersunk screws Sept 1987 6201 2 Cabinet Crossover now in bottom of speaker accessible from underneath Facility for convertingeasilytotri wiring or to active 19...

Страница 48: ...ed with t nuts Oct 1981 2741 2 Wiring Changed internally to common earth at cannon socket Mar 1980 11 035 6 TrebleUnit Scanspeak treble unit replaced with Hiquphon unit Recognised by two concentric ri...

Страница 49: ...ets with two 4 mm sockets Jun 1985 16 300 1 Bass Unit Surround changed to plastic material May 1985 16 051 2 TrebleUnit Smootherresponse Incorporates Linn logo on front plate May 1984 14 731 2 Crossov...

Страница 50: ...ngnew June1991 6813 4 treble unit mid range unit and crossovers Cabinetdamping improved Mid range inserts changed from M4 to M5 Crossover Changedtrebleresponse resistorvaluechangedfrom 2 7 ohm to 3 3...

Страница 51: ...e from M1 to M2 improved spider Nov 1989 18 409 10 Nexus 4 IntroducedNexus 4 Newcrossover Aug 1989 and treble unit Vinyl 17 219 20 2E 140 Hreplby SPKR010 1 Woodencabinetsintroduced Walnut 15 721 2 in...

Страница 52: ...nge in position of treble unit Jan 1989 41 905 6 Crossover CapacitorsimprovedtoBennic type Feb 1988 39 005 6 Bass Unit Improvedperformance Dec 1985 33 005 6 Sockets Changed to Linn 4 mm metal socket C...

Страница 53: ...8 Crossover Trebleresponseimprovedby changing a resistor value on crossover Feb 1991 13 395 6 Stand Inserts Two inserts added to accommodate Ku stone stand Mar 1990 10 599 60 Helix II HelixIIintroduc...

Страница 54: ...ced incorporating changes to the crossover to allow bi wiring options new style cabinetwithremovablefacia change to new type speaker connectors March1990 1 001 2 TrebleUnt Front mountingplate made thi...

Страница 55: ...m Width 370 mm Depth 370 mm Weight 52 kg each speaker SpecialFeatures Aktivcrossoversetup KABER AKTIV PASSIVE FrequencyResponse 20 Hz to 20 KHZ 2dB 20 Hz to 20 KHZ 3dB Nominal impedance 4 Ohms Efficie...

Страница 56: ...50 W 4 Ohms 1 x 60 W 4 Ohms Dimensions Height 825 mm Same as Aktiv Width 200 mm Depth 275 mm Weight 18 kg each speaker TUKAN PASSIVE AKTIV FrequencyResponse 80 Hz to 20 KHZ 3dB 70 Hz to 20 KHZ 3dB Nom...

Страница 57: ...tiv Minimum amplifier requirements 1 x 30 W 4 Ohms 1 x 30 W 4 Ohms Dimensions Height 475 mm Height 444 mm Width 252 mm Width 228 mm Depth 123 mm Depth 86 mm MountingDepth 72mm from surface of wall Wei...

Страница 58: ...idth 343 mm Depth 416 mm Weight 43 kg each speaker Stand Height 230 mm not including spikes SARA 9 SPECIFICATIONS Discontinued 1990 Frequency Response 50 Hz to 20 KhZ 2 5 dB Impedance 4 Ohms nominal E...

Страница 59: ...20 KhZ 2 5 dB Minimumimpedance 6 8 Ohms Efficiency 88 dB for 1 watt at 1 metre 1 kHz Crossoverpoint 2 5 kHz PowerHandling 75 watts Bi wirable Yes DriveUnits Treble 1 x 19 mm soft dome tweeter Bass 1 x...

Страница 60: ...bon loaded poly propylene bass unit CabinetLoading Ported Dimensions Height 510 mm Width 255 mm Depth 286 mm Weight 10 kg each speaker StandHeight 375 mm INDEX II SPECIFICATIONS Discontinued1992 Frequ...

Страница 61: ...sound which can easily be demonstrated Similar advantages occur in the midrange by tri wiring a 3 way speaker Bi Wiring Beyond A conventional loudspeaker is connected to the amplifier by a single leng...

Страница 62: ...e signals have separate paths is over the very few feet of wire that connect the drive units to the crossover Because the bass and treble signals do share the same path there is an opportunity for the...

Страница 63: ...mplification because the filters provided by the speaker s original passive crossover network are still being used Active Multi Amplification In many of the Linn loudspeakers further improvements are...

Страница 64: ...r appearance KU STONESTAND Discontinued in 1994 The Ku stone stand is designed for use with Index Helix and Nexus loudspeakers It employs an upright column of bonded flint compos ite material to creat...

Страница 65: ...The unique curved shape allows gives strength to the assembly and offers flexibility of both vertical and horizontal adjustment The loudspeakers are held within 6 cm of the wall and the mounting brack...

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