Plinius P10 manuale d’uso

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2 CONG RATULATIO NS on your de cision to become the pr oud owner of this Plinius S A-Ref ere nce Power Amplifier. This manual has been prepared to hel p yo u understand the operatio n of your amplifier , and to provide inf ormat ion about it s design and t he variet y of ways it ma y be us ed. We have desi gned and man ufact ure d this ampl ifier t[...]

3 DESI GN PHILOSOPH Y Fro m a distan ce you can see t hat the design of the Plini us pro ducts is mor e than an appl ied styl ing exercise to t he front panel. We have start ed from the ground up to pro duce a casing for our electronics that is unr ivall ed in it s physical str ength and visual simplic ity. W herever possible w e have redu ced th e[...]

4 C ONTENTS Int roduc tion .................................................................................................................. .................. Page 3 Prec auti ons ................................................................................................................... .................. Page 5 Ampl ifi er Fe atures - FR[...]

5 P RECAUT IONS Please t ake special note o f t he followi ng precaut ions befor e operat ing your new amplifier : • The P linius SA-Refe rence P ower Amp lifier ca n be op erat ed in mono mod e deli vering up to 1000 wat ts into 8 oh ms. This a mpli fier is also capa ble of a very larg e pe ak cu rrent de live ry. • The Plinius SA-Reference Po[...]

6 A MPLIF IER F EAT URES – F RON T P ANEL F RON T P ANEL L AYOUT S HO WING M UTE A ND B IAS S WITC HES MUT E SWI TC H It is not rec omm end ed p ractice to inte rfe re wi th the i np ut ca bles while the a mplifi er is switc hed on and conn ected to the loud spe ake rs, so a M ute bu tton i s fi tte d to in terru pt the inp ut s ign al. Th is all[...]

7 CLA SS A: This po sition pro vides Class A bias to the output stage therefor e ensuring the optimum pe rformanc e of th e am pli fier d uring a ll li steni ng ev en ts . Cla ss A a mplif iers ru n hot ter th an Cla ss AB amplifiers, hence our specially designed and distinctive heat sinks. Operating the amplifier in Class A necessi tat es two prec[...]

8 A MPLIF IER F EATU RES – R EAR P ANE L This panel incorporates all the te rminals for connecting the input signals from your preamplifier, and out put to t he lo udspeakers, an d main s suppl y. A reaso nabl e understandi ng of t his a mplif ier’s oper atio n and a log ical a pproa ch sh ould en sure th at you ar e able to make all connect io[...]

9 A MP L IF IE R C O NF IG U RA TI ON S ELE CT OR REFER TO OWNERS MANUAL F O R USAGE IN STRUCTIONS RC A S TE R EO RC A B R ID G ED M ON O XL R BALANCED MO NO XLR STEREO A LL MONO/BR IDGE OP TION S USE R IGHT I NPUT AND LE FT + RI GH T+ O UTP UTS O NL Y IN PUT TE RM INAL S Input terminals for your Plinius SA-Ref erence P ower Am plifier are easil y [...]

10 The ACS s witch opt ions a re: RCA S TER EO : This option p rovide s a ste reo outpu t via both le ft a nd rig ht outpu t channe ls f rom a s tereo signal con nect ed to bo th left an d right input RCA in puts. RCA BRI DGED MONO : This option configures your amplifier to dr ive one loudspeaker from on e unbal anced signal fed t o th e RIGHT RCA [...]

11 O UTP UT TER MIN ALS - B RIDGE D/ MON O In br idged/mo no modes, t he lo udspe akers ut ilise o nly t he posit ive (+) out puts o f your Plin ius SA - Reference. In this configuration p ower output to the loudsp eakers is dramatically increased (a round fou r times as much), and is commonly used in conjunction with another ampl ifier f or amplif[...]

12 I NSTALLAT ION AND O PERATIO N PL ACEMEN T AN D V ENT ILAT ION Your Pl inius SA-Ref erence is designed to o perate at a moder ately high t emperatur e, even more so when used in Cl ass A . Th e ideal l ocat ion is o n a rigid stand or f lo or mounted aw ay fro m direc t co ntact w ith any temper ature sensit ive materials or deep pil e carpets. [...]

13 + + RIGHT OUTPUTS LE FT OU TPUT S + + A MPL IF IER CON F IGU RA TIO N S ELE CT OR RE FER T O O WNERS MANUAL F OR USAGE INS TRUCT IONS RCA S TEREO RCA BRI DGED M ONO XL R BA LAN CED M ON O XLR STEREO RIGHT INPUTS LEFT I NPUT S AL L M ONO / BRI D GE OPT I ONS US E R IG HT I NP U T AND LEFT + RIGHT+ OUTPUTS O NL Y I NP U T /O UT P U T C ONNECTION R[...]

14 RCA ST EREO Conn ect you r p ream plifie r or i nput s ign al to the tw o RC A inp uts a t the top o f the amp lifie r ba ck p ane l. Make sure yo u co nnect the red coded c able to the r ed R IGHT RCA input and the blac k ( or whit e) cable to the bl ack LEFT RC A input. Al so make sure the R CA connecto rs are a snug fit and are insert ed all [...]

15 XLR BALANCED MONO As with RCA Bridg ed Mono, this option configu res your amplifier to drive one louds peaker, but from one balanc ed line i nput co nnected t o the RIGHT X LR Input . In balanced mo no mo de the only i nput made to your preamplif ier is to t he RIGHT channel XLR input. T he LEFT channel XLR input is not connected. Next your loud[...]

16 P HAS ING ( OR PO LAR I TY) It is important to achieve go od ster e o imaging in y our list ening r oo m. By observing the wi ring instructions above, each Power Amplifier/loudspeaker comb inatio n should be in phas e. If you experience poor stereo image and/ or a lack o f bass, check that the loudspeaker wi ring has been co nnected c orrectl y.[...]

1 7 SA -R EF ERENCE F EATU RES ERR OR DETECTION The Plinius SA-Reference Power Amp lifier has in-built error detection. This will func t ion und er the following conditions: • When t he ampli fier is overdr iven/ clipped • If any int ernal fuse i s damaged Should eithe r of th ese cir cums tance s ari se th e am plifie r will d iscon nec t both[...]

18 LED BRI GH T NES S C O NTR OL Your P liniu s SA- Referen ce ha s an i nterna l LED b righ tne ss c ontrol tha t will a dju st all th ree fr ont pa nel LED’s. A small fl at bladed sc rewdr iver c an be used to adjust the br ightness. T he LED brigh tne ss control is a sm all mu lti tu rn po tenti om eter and is loca ted on t he fron t o f the m[...]

19 L OUDSPEAKER S ELECT ION Your P linius SA-Re fe rence P ower Amp lifi er is d esi gned f or us e with h igh fid eli ty loud sp eake rs. It s hould not be used to o perate any o ther t ype of appl iance or equipment. Choice o f loudsp eak ers is one of pers ona l ta ste, providi ng the ch osen loud spe ake rs are s uitab le for us e with your amp[...]

20 W HY C LASS A I S B ETTER Class A has al ways been r egarded as the per fect operatin g mode fo r audio amplif iers. Man y leadin g amplif ier desi gners and man ufact urers world w ide recognise t hat a well designed C lass A c ircuit has inh erently lower d isto rti on than any other de sig n. Clas s A c ircuit topo logy is one in wh ich the t[...]

21 S PEC IFICATIO NS 300-W ATTS RMS PER CH ANNEL INTO 8 OHMS. 450-W ATTS RMS PER CH ANNEL INTO 4 OHMS. BOTH CHANNELS DRIVEN FROM 20Hz TO 20kHz A T 0.05% TOTAL HAR M ONIC DISTORTION.  M ONO O UTPUT : 1000 Watts RMS 2 0Hz to 2 0kHz i nto 8 oh ms (M ono).  D YNAMIC H EADROOM : 1dB or gre ater at 8 oh ms with musi c.  F REQUE NCY R ESPONSE : 2[...]

22 I NDEX ACS (A mplifier Con figurat ion Sele ctor) ........................................................................................ P age 9 Bal anced S ignal ................................................................................................................ ........ Page 10 Bi as Class A ......................................[...]

23 C ONTA CT D ETAI LS All operational , t echnic al and desc ript ive mater ial publi shed here i s subject t o change at an y time w itho ut notice. For further product informat i on o r queries, please cont act us at th e address b elo w. PL INIUS pr oduct s are design ed and manuf act ured by: Plinius Audio Lt d. P.O . Box 18 36 Pa l me rst on [...]