Instruction/ maintenance manual of the product DD-8 Lexicon
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D D - 8 P ow er Amp li er U ser G ui de 1 43 1 20 - 1 - 5/1 1.
DD- 8 Pow er Ampliers 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 .
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.
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 Amplie r . I t is impor t ant to read this user gui de be fore at tempting to use this p roduc t .
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 lier. 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.
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.
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.
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 lier s in a sys tem utilizing a sin gle bus inp ut signal.
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.
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.
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.
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.
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 lier wi th the fro nt panel Stand by/ O n but ton.
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.
DD- 8 Pow er Ampli ers Operat ion Manual 15 a ppe n D I X Speci cations Specications 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.
DD- 8 Pow er Ampli ers Operat ion Manual 16 THIS P A GE INTENTIONA LL Y LEFT BLANK.
An important point after buying a device Lexicon DD-8 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Lexicon DD-8 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Lexicon DD-8 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Lexicon DD-8 you will learn all the available features of the product, as well as information on its operation. The information that you get Lexicon DD-8 will certainly help you make a decision on the purchase.
If you already are a holder of Lexicon DD-8, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Lexicon DD-8.
However, one of the most important roles played by the user manual is to help in solving problems with Lexicon DD-8. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lexicon DD-8 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
