Plinius Audio P10 manual

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2 CONG RATULATIO NS on your d ecision 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 underst and the o pe rat ion of y our amplif ier, and t o p r ovide inf ormat ion abou t it s design and t he variet y of ways it ma y be us ed. We have desi gned and manufact ur ed this ampl [...]

3 DESI GN PHILOSOPH Y Fro m a distan ce you can see t hat the desi gn of the Plin ius pro ducts is mor e than an appl ied styl ing exercise to the front panel. We have start ed from the ground up to pro duce a casing fo r our electronics that is unr ivall ed in it s physic al str ength and visual simplic ity. W herever possibl e we have re duced th[...]

4 C ONTENTS Int rodu ction .................................................................................................................. .................. Page 3 Prec auti ons ................................................................................................................... .................. Page 5 Ampl ifi er F eatures - FR[...]

5 P RECAUT IONS Please t ake special note of t he foll owing precaut ions bef ore 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 c urrent d elive ry. • The Plinius SA-Reference Pow[...]

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 WI TCHES MUT E SWI TC H It is not rec omm end ed p ractic e to inte rfe re wi th the i np ut ca bles while the a mplif ier is switc hed on and conn ected to the loud spe ake rs, so a M ute bu tton i s fitte d to in terr upt 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 all li steni ng ev en ts . Cla ss A a mpli fiers 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 tw o prec[...]

8 A MPLIF IER F EATU RES – R EAR P ANE L This panel incorporates all the te rminal s f or connecting the input s ignals from your preamplifier, and out put to t he lo udspeakers, an d mai ns 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 that you ar e able t o make all connect[...]

9 A MP L IF IE R C O N FIG U RA TI ON SE LE CT OR REFER TO OWNERS MANUAL F O R US A GE INS TRUCTIONS RC A S T E REO RC A B R ID G ED M ON O XL R BALANCED MO NO XLR STEREO A LL MONO/ BRIDGE OP TION S USE R I G HT INP UT AND LE FT + RIGH T+ O UTP UTS O NL Y IN PUT TE RM IN ALS Input t e rminals for your Plinius SA -Reference Power Am plifier a r e ea[...]

10 The ACS s witch opt ions a re: RCA S T E R EO : This op tion prov ides a stere o output v ia both lef t and righ t output ch anne ls from a ste reo signal con nect ed to bo th left an d right inpu t RC A inpu ts. RCA BRI DGED MONO : This option configures your amp l ifier to drive one loudspeaker fro m one unbal anced signal fed t o t he RIGHT R[...]

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

12 I NSTALLAT ION AND O PERATIO N PL AC EMENT AN D V ENT ILAT ION Your Pl inius SA-Ref e r ence is designed to operat e at a moder atel y high temperat ure, even mor e so when used in Cl ass A . T he ideal l ocat ion is o n a rigi d st and or f loor mounted aw ay fro m direc t co n t act w ith any temper ature sensit ive materials or deep pile carp[...]

13 + + RIGHT OUTPUTS LE FT OU TPUT S + + A MPL IF IER CON F IGU RA TIO N S EL ECT O R RE FER T O O WNERS MANUAL F OR USAGE INS TRUCT IONS RCA STEREO RCA BRI DGED M ONO XL R BA LAN CED M ON O XLR STEREO RIGHT INPUTS LEFT I NPUT S AL L M ON O/ BRI DG E OP T ION S U SE RIG H T I NP UT 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 yo ur p ream plifi er or i npu t sig nal to the tw o RC A inp uts a t the top of 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 R CA input. Al so make sure the R CA connecto rs are a snug fit and are insert ed all t[...]

15 XLR BALA NCED MONO As with RCA Bridg ed Mono, this option configu res your amplifier to drive one loud speaker, but from one balanc ed line i nput c onnected 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 . The LEFT channel XLR input is not connected. Next your lou[...]

16 P HAS ING ( OR PO LAR I TY) It is important to achieve go od ster e o imaging in y our li stening 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 th at the loudspeaker w iring has been co nnected c orrectl y[...]

1 7 SA -R EF ERENCE F EATU RES ERR O R DE T ECT IO N 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 over driven/ clipped • If any int ernal fuse i s damaged Should eith er of th ese cir cums tance s ari se th e am plifi er will d iscon nec t[...]

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 brigh tne ss c ontrol tha t will a dj ust all th ree fr ont pa nel LED’s. A small flat bladed sc rewdr iver c an be used to adjust the br ightness. T he LED brig htne ss control is a sm all mu lti tu rn po tenti om eter and is loc ated on t he fron t o f the m a[...]

19 L OUDSPEAKER S ELECT ION Your P linius SA-Re fe rence P ower Amp lifi er is d es igne d f or us e with h igh fi deli ty loud sp eake rs. It should not be used to o perate any o ther t ype of appl iance or equipment. Choice of loudsp eak ers is one of pers on al ta ste, provid ing the ch ose n 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 b een regarded as th e per fect operatin g mode fo r audio ampl ifi ers. Man y leadin g amplif ier designers and man ufact urers worl d wide recognise t hat a well designed C lass A c ircuit has inh erently lowe r disto rti on tha n any other d esig n. Clas s A c ircuit topo logy is one in wh ich the[...]

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

22 I NDEX ACS (A mplifier Co nfigur atio n Select or) ........................................................................................ P age 9 Bal anced S ignal ................................................................................................................ ........ Page 1 0 Bi as Class A ....................................[...]

23 C ONTA CT D ETAI LS Al l oper a t ional , t echni cal and desc ript ive mate rial publi shed here is subject to c hange at an y time wi tho u t notice. For further product informat i on o r queries, please cont act us at t he address b elo w. PL INIUS pr oduct s are design ed and manu fact ured by: Plinius Audio Lt d. P.O . Box 18 36 Pa l me rst[...]