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Lexicon DD-8 manual

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Table of contents for the manual

  • Page 1

    D D - 8 P ow er Amp li er U ser G ui de 1 43 1 20 - 1 - 5/1 1[...]

  • Page 2

    DD- 8 Pow er Ampliers Operat ion Manual 2 Import ant S afet y InStruc tIonS 1 . Read t hese inst ructi ons. 2. Keep th ese instr uctio ns. 3. He ed all warni ngs. 4. Follow a ll instruc tions . 5. Do no t use this a ppa ratus n ear wate r. 6. Clean o nly w ith a dr y c loth . 7 . Do not bl ock any vent ilatio n op enin gs. Ins tal l in accorda n[...]

  • Page 3

    DD- 8 Pow er Ampli ers Operat ion Manual 3 DEC LAR A TION OF C ON FORMIT Y Issued By: Harman International. 1 71 8 W. Mishawak a Rd. Elkh ar t, I N 4651 7 U. S. A. FOR FIELD SER VI CE QUEST IONS C ALL: 1 80 0 691 4 1 71 European Representative’ s Name a nd Address: Andy Baker Cranborne Hou se, C ranborne Rd. Potte rs B ar, Her t ford shire EN [...]

  • Page 4

    DD- 8 Pow er Ampli ers Operat ion Manual 4 Doc ument a tIon c onventIon S This doc ument contains ge neral s afet y , ins tallation , and ope rating ins truc tions fo r the DD - 8 Power Amplie r . I t is impor t ant to read this user gui de be fore at tempting to use this p roduc t . Pay par ticular attention to safety instructions. The fo ll[...]

  • Page 5

    DD- 8 Pow er Ampli ers Operat ion Manual 5 Get tInG St arteD Thank you fo r purchasing your n ew Lexi con DD - 8 Multi -ro om Amp lier. The DD - 8 features p atented Drive Core™ t echno log y , d eliverin g unpre cedented l evels of power f rom an amaz ingly small an d light weight pro duc t. Dr iveCore ta kes more than 50 0 discrete compo [...]

  • Page 6

    DD- 8 Pow er Ampli ers Operat ion Manual 6 Install ation Considerations T o ensure optimal p er f ormance, pay par ticular at tention to the ins truc tions b elow and to oth er precauti ons that appear through out this user guide. DO install the DD -8 o n a solid , at, level sur f ace such as a tabl e or shel f. The DD - 8 can a lso be inst a[...]

  • Page 7

    DD- 8 Pow er Ampli ers Operat ion Manual 7 Ba SI c oper a tIon Fro nt Pa ne l 1 . Standby Button Activ ates and deac tiv ates stan dby mode w hen the D D - 8 ampli er is conne cte d to AC power . When th e DD - 8 is conne cte d to AC power , the s tand by but ton LED will glow R ED indicatin g that the unit is in the st andby mo de. In this s[...]

  • Page 8

    DD- 8 Pow er Ampli ers Operat ion Manual 8 Ba ck Pan e l 1 . Bus O ut put Provides a line - level R CA conne c tor loo p/passthru outpu t for conne c ting multip le DD - 8 amp lier s in a sys tem utilizing a sin gle bus inp ut signal. If the DD - 8 is used as a singl e zone amp lier and th e input sign al is connec ted v ia the Bus Inp ut,[...]

  • Page 9

    DD- 8 Pow er Ampli ers Operat ion Manual 9 Ba SI c oper a tIon 3. Loc al In put s Provides a line - level R CA conne c tor input to fe ed a corr espon ding spea ker-level output ch annel. When th e DD - 8 is use d as a multi-zone ampli er , each channe l can be p rovide d with a de dicated in put signal. T he signals fr om this input will o n[...]

  • Page 10

    DD- 8 Pow er Ampli ers Operat ion Manual 10 Ba SI c oper a tIon 7 . Sp eaker O ut pu ts Provides conne c tion for up to fo ur pair of s tereo sp eakers (eight speaker s total) to the D D - 8. Connec tion to sp eakers is prov ided v ia pho enix-t y pe conne c tors that accept bare w ire terminati ons. The conne c tors are gro upe d in pair s with[...]

  • Page 11

    DD- 8 Pow er Ampli ers Operat ion Manual 11 Ba SI c oper a tIon NOTE: I t is possible to have a situation w here Signal S ense cann ot func tio n if the Power Save feature is also used an d has be en ac tivate d. For exa mple, Signal S ense will de ac tivate channels with out signals af ter 30 minutes. I f all channels are de ac tivated, Power S[...]

  • Page 12

    DD- 8 Pow er Ampli ers Operat ion Manual 12 Ba SI c oper a tIon 1 1. A C Main Powe r Conne ct or Provides an AC power conne c tion to the DD -8 usin g the suppli ed p ower cord. Af ter all audio and s yste m connec tio ns have been mad e, connec t the p ower cord to an AC power source. Be sure that any device conne c ted to the rem ote trigge r [...]

  • Page 13

    DD- 8 Pow er Ampli ers Operat ion Manual 13 trouBleShoo tInG a nD maIntena nce T roubleshoot ing The am pli er d oes n ot powe r on. 1 . Attempt to p ower on the amp lier wi th the fro nt panel Stand by/ O n but ton. 2. Ex amine the p ower cord to ensure a goo d conne cti on be t ween the re ar pane l AC input connec tor and th e wall outl[...]

  • Page 14

    DD- 8 Pow er Ampli ers Operat ion Manual 14 trouBleShoo tInG a nD maIntena nce A humm ing so und i s pre sent i n the a udio. Audible hum, o r a discernabl e low fre quenc y n oise is one of th e most comm on prob lems within audio/vid eo sy stems. T his probl em, even wh en the volume is at a low l evel, Is usually cause d by a common prob lem [...]

  • Page 15

    DD- 8 Pow er Ampli ers Operat ion Manual 15 a ppe n D I X Speci cations Specications are subject to change without notice. Output Po wer: 1 25W RMS per cha nnel into 8 ohms f rom 20Hz – 20k Hz Frequency Response: 20Hz - 20k Hz +0 dB/– 1.5dB T otal Harmonic Distort ion (THD): Less than 0.05% at full rated p ower 20Hz - 20k Hz Signal-to [...]

  • Page 16

    DD- 8 Pow er Ampli ers Operat ion Manual 16 THIS P A GE INTENTIONA LL Y LEFT BLANK[...]