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Jeff Rowland Design Group 312 manual

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Table of contents for the manual

  • Page 1

    OWN E R ’ S MA N UAL M OD EL 3 1 2 S TER EO A M PLI FI E R[...]

  • Page 2

    © J ef f Row l a n d de s i g n g Ro u p 20 07. all R i g ht s R es e Rv ed . T AB LE O F CO NTENTS OWN E R ’ S MA N UAL M OD EL 3 1 2 S TER EO A M PLI FI E R                  [...]

  • Page 3

    PO B OX 72 3 1 , C OLO R A D O SP R I NG S , CO LO R A D O 80 9 33 U SA E - mA I L : j RD G @ j Ef fR OwL AN D. CO m w w w. j E ff R OwL A N D. CO m TE LE P HO N E ( 7 1 9) 473 -1 1 8 1  If you h ave any add iti ona l que st ion s reg ardi ng the i ns ta lla tion o r op era tio n of th e Mod el 31 2 S tere o Am pli fie r , pl ea se co nt ac t y[...]

  • Page 4

    © J ef f Row l a n d de s i g n g Ro u p 20 07. all R i g ht s R es e Rv ed .  • X LR i np ut c onn ec to r s for b ala nce d system congurat ion. • RCA inp u t con nec t or s for u nba la nce d system congurat ions. • Dua l Spe ake r Ou t pu t T er mi nal s on ea ch chan ne l for b i-w ir i ng ap pl ica t ion s. • User s el ec t [...]

  • Page 5

    PO B OX 72 3 1 , C OLO R A D O SP R I NG S , CO LO R A D O 80 9 33 U SA E - mA I L : j RD G @ j Ef fR OwL AN D. CO m w w w. j E ff R OwL A N D. CO m TE LE P HO N E ( 7 1 9) 473 -1 1 8 1  Ensu re tha t all o f the au x ilia r y c omp one nt s lis te d bel ow are e nc los ed w ith in the s hip ping c a r ton a nd acc e sso r y b ox. Re fe r to the[...]

  • Page 6

    © J ef f Row l a n d de s i g n g Ro u p 20 07. all R i g ht s R es e Rv ed .  Insp ec t t he sh ippi ng co nt ai ner f or da mag e. If any p or t ion o f the s hip ping c on ta ine r , pa ck ing ma ter ial, amp lifi er , o r ac ce ss ori es a re da mag ed or m is sing, n oti f y your de ale r and t he sh ipp er (i f a c laim i s to be ma de) [...]

  • Page 7

    PO B OX 72 3 1 , C OLO R A D O SP R I NG S , CO LO R A D O 80 9 33 U SA E - mA I L : j RD G @ j Ef fR OwL AN D. CO m w w w. j E ff R OwL A N D. CO m TE LE P HO N E ( 7 1 9) 473 -1 1 8 1  All J RD G pro duc t s are d es igne d to pr ovid e a lif et ime of e njoy men t and li st enin g ple as ure. T he Mo del 31 2 S ter eo Am pli fie r is uni que[...]

  • Page 8

    © J ef f Row l a n d de s i g n g Ro u p 20 07. all R i g ht s R es e Rv ed .  Pro te c tio n SyStemS If you h ave any que s tio ns ab out t he c are o r cl ean ing of yo ur Mo del 31 2 Ste reo A mp lifi er , ple as e co nt ac t your d eal er or t he J RDG f ac to r y bef ore a t te mpti ng to c lea n the c ha ss is. T he u se of a c lea ns er[...]

  • Page 9

    PO B OX 72 3 1 , C OLO R A D O SP R I NG S , CO LO R A D O 80 9 33 U SA E - mA I L : j RD G @ j Ef fR OwL AN D. CO m w w w. j E ff R OwL A N D. CO m TE LE P HO N E ( 7 1 9) 473 -1 1 8 1  Lo ca te the a mpli fi er a s clo se a s po ss ible t o it s fina l ins t all atio n po int . All ow ac ce ss to t he re ar pa ne l for m aki ng co nne c tio [...]

  • Page 10

    © J ef f Row l a n d de s i g n g Ro u p 20 07. all R i g ht s R es e Rv ed .  • Do no t ex p ose t h e amp li  er t o ra in, m oi st ur e, or e xce ssi vel y damp conditions. • Th e Mo del 31 2 S te re o Am pl i e r mus t no t be m od i e d in an y way , ot he r th an ac cor di ng to o f ci al ser vi ce bu lle t in s fr om J RD[...]

  • Page 11

    PO B OX 72 3 1 , C OLO R A D O SP R I NG S , CO LO R A D O 80 9 33 U SA E - mA I L : j RD G @ j Ef fR OwL AN D. CO m w w w. j E ff R OwL A N D. CO m TE LE P HO N E ( 7 1 9) 473 -1 1 8 1  1 2 F E D E D A A B B C C signal & po wer c onn e c tions OWN E R ’ S MA N UAL M OD EL 3 1 2 S TER EO A M PLI FI E R[...]

  • Page 12

    © J ef f Row l a n d de s i g n g Ro u p 20 07. all R i g ht s R es e Rv ed .  Be for e at te mpt ing any s yste m in terc onn ec t ion, p lea se f ami liar ize you rs el f wi th th e fro nt p ane l co ntr ol of t he Mo del 31 2 S ter eo Power A mp li fie r . (1 ) FRONT PANEL S T A ND BY /P OWER B UT TON: P res s thi s bu t ton to ope rat e[...]

  • Page 13

    PO B OX 72 3 1 , C OLO R A D O SP R I NG S , CO LO R A D O 80 9 33 U SA E - mA I L : j RD G @ j Ef fR OwL AN D. CO m w w w. j E ff R OwL A N D. CO m TE LE P HO N E ( 7 1 9) 473 -1 1 8 1  (D & E ) LO UDS PE A KE R OU TPU T : Unsc rew t he kn ob th at se cu res the sp ea ker out pu t co nne c tor s on bo th th e LEF T SPE A K ER OU TPU T (E[...]

  • Page 14

    © J ef f Row l a n d de s i g n g Ro u p 20 07. all R i g ht s R es e Rv ed .  NOT E: Due t o t he e xce pt i ona ll y lo w powe r co nsu mp t ion r a t in g of t he M od el 312, it is re co mme nd ed t ha t t he u ni t n ot b e di sco nn ec te d fr o m AC ma ins u nl es s th e am pl i e r is t o be move d or r e ins t a ll ed in a no t h[...]

  • Page 15

    PO B OX 72 3 1 , C OLO R A D O SP R I NG S , CO LO R A D O 80 9 33 U SA E - mA I L : j RD G @ j Ef fR OwL AN D. CO m w w w. j E ff R OwL A N D. CO m TE LE P HO N E ( 7 1 9) 473 -1 1 8 1  Output Power , Continuous RMS watts, both channels driven 500 watts @ 8 ohms, 1000 watts @ 4 ohms per channel Frequency Response 5 Hz – 45 kHz, -3 dB @ 8 o[...]

  • Page 16

    © J ef f Row l a n d de s i g n g Ro u p 20 07. all R i g ht s R es e Rv ed .         DIM ENSI[...]

  • Page 17

    PO B OX 72 3 1 , C OLO R A D O SP R I NG S , CO LO R A D O 80 9 33 U SA E - mA I L : j RD G @ j Ef fR OwL AN D. CO m w w w. j E ff R OwL A N D. CO m TE LE P HO N E ( 7 1 9) 473 -1 1 8 1  RIS K OF E LEC TR ICA L SH OCK ! WA R NI N G: T he i ns t r uc t io ns in t h is se ct i on a re me an t fo r qua li  e d JRD G se r v ic e pe r s on nel [...]

  • Page 18

    PO B OX 72 3 1 , C OLO R A D O SP R I NG S , CO LO R A D O 80 9 33 U SA E - mA I L : j RD G @ j Ef fR OwL AN D. CO m w w w. j E ff R OwL A N D. CO m TE LE P HO N E ( 7 1 9) 473 -1 1 8 1[...]