Instruction/ maintenance manual of the product SA-103 Plinius
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2 CONG RATULATIO NS on your de cision to become the pr oud owner of this Plinius SA- 103 Po wer Am plifier. This manual has been prepared to hel p you und er stand the ope rat ion of your amplifier, and to provide inf or mation abo ut its desi gn and t he vari ety o f w ays it ma y be us ed.
3 DESI GN PHILOSOPH Y Fro m a dist ance yo u can see th at the design of the Plin ius pr oducts is mo re than an appli ed styl ing exercise to t he front panel. We have star ted from th e ground up to produce a casing for our electronics that is un rival l ed in it s physic al st ren gth and vi sual si mplic it y.
4 C ONTENTS Int roduct ion .................................................................................................................. .................. Page 3 Prec aut ion s ....................................................................
5 P RECAUT IONS Please t ake spec ial not e of the f ollowing pr ecautions bef ore oper ating yo ur new ampl ifier: • The P linius SA-103 P ower Ampli fier ca n be op erated in mon o mode d elive ring up to 460 wat ts into 8 ohms . Thi s amp lifier is als o cap able of a very large pe ak curren t de livery .
6 A MPLIF IER F EAT URES – F RO NT P ANEL F RON T P AN EL L AYOUT S HOWING M UTE A ND B IAS S WI TCHES MUT E S WIT CH 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.
7 CLA SS A: This po sition provides Class A bias to the out put 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.
8 Z258 RCA STE REO RCA BRIDG ED MONO X LR BALANCED MONO X LR ST EREO PUSH PUSH C A UTIO N RISK OF ELEC TRIC SHO CK DO NO T OPEN A MPLIF IER F EATU RES – R EAR P ANEL This panel incorporates all the te rminals for connecting the input signals from your preamplifier, and out put to t he loudspeakers, an d mains supply.
9 AMPLIFIER CONFIGURA TION SELECTOR REFER T O OWNERS M A NUAL FO R USAGE INSTRUCTIONS RC A ST ER EO RCA BRI DGED MONO XLR BALANCED MONO XL R S TER EO A LL MONO /BRI DGE OPTIONS USE RI GHT INPU T A ND .
10 The ACS s witch opt ions a re: RCA S TEREO : Thi s opti on provi des a stereo outp ut via b oth lef t and right outp ut cha nnels from a stere o signal co nnec ted t o bo th left and ri ght input RCA in puts.
11 O UTP UT TER MIN ALS - B RIDGE D/ MON O In br idged/mono mo des, the lo udspeakers u til ise only t he posi ti ve (+) o ut puts o f yo ur Plin ius SA- 103.
12 I NSTALLAT ION AND O PERATIO N PL ACEMEN T AN D V ENT ILAT ION Your Plinius SA-103 is designed to opera te at a modera tely high t emperat u re, even more so when u sed in Class A . The i deal locat i on i s on a rigid st and or floor mounted away f rom direct co ntact wit h any temper atur e sensitive mat erials or deep pile c arpets.
13 RCA S TER EO RCA BRIDGED M ONO XLR BALANCED MONO XLR ST EREO PUSH PUSH I NP UT /O UTP U T C ONNECTION R EAR P AN EL S HO WING L OC ATION O F I NPUT /O UTP UT T ERMINALS It is important that you con.
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 connect the r ed coded cabl e to the red RIGHT R CA i nput and the blac k (or whit e) cable to the bl ack L EFT RCA input.
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 lin e input con nected t o the RIGHT XLR In put. In bal anced mon o mo de the onl y input made to your preamplif ier is to the RIGHT channel XLR input.
16 P HAS ING ( OR PO LAR I TY) It is important to achieve go od ster e o imaging in your li stening room. By observing the wi ri ng instructions above, each Power Amplifier/loudspeaker comb inatio n should be in phase.
1 7 SA -103 F EAT URES ERR OR DETECTION The Plinius SA-103 Po wer Amplifier has in-buil t error detection. This will function unde r the following conditions: • When t he amplifier is overdr iven/cl.
18 LED BRI GHT NESS CO NT ROL Your P linius SA-103 h as a n intern al LED brig htnes s cont rol tha t will a djus t all thre e fron t pane l LED’ s. A small fl at bladed screwdriver can be used to adjust t he b rightness.
19 L OUDSPEAKER S ELECT ION Your P linius SA-103 P ower Amp lifi er is d esi gned for use with h igh fi delity louds pea kers . It shou ld not b e used to operat e any other 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 amplifier .
20 W HY C LASS A I S B ETTER Class A has al ways been regar ded as the perfect operating mode f or audio ampl ifi ers. Man y leading amplif ier designer s and manuf act urers world w ide recognise t hat a well designed Cl ass A circ uit has inh erently lower d isto rti on than any other de sig n.
21 S PEC IFICATIO NS 125-W ATTS RMS PER CH ANNEL INTO 8 OHMS. BOTH CHANNELS DRIVEN FROM 20Hz TO 20kHz. B RIDGED /B ALANCED M ONO O UTP UT : 460 Watts RMS 2 0Hz to 20kH z int o 8 ohms . F REQUE NCY R ESPONSE : 20Hz to 20kH z ± 0 .2dB . -3 dB at 5Hz and - 3dB at 7 0kHz .
22 I NDEX ACS (Ampli fier C onfig urat ion Sel ector) ........................................................................................ P age 9 Bal anced Sign al ..................................................................................
23 C ONTA CT D ETAI LS All operational , tech nical and descript ive mat erial publ ished here is subjec t t o change at any ti me wit hout notice. For further product informat ion or queries, please co ntact us at the address below. PL INIUS pr oduc ts ar e design ed and manuf act ure d by: Plinius Audio Lt d.
An important point after buying a device Plinius SA-103 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Plinius SA-103 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 Plinius SA-103 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Plinius SA-103 you will learn all the available features of the product, as well as information on its operation. The information that you get Plinius SA-103 will certainly help you make a decision on the purchase.
If you already are a holder of Plinius SA-103, 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 Plinius SA-103.
However, one of the most important roles played by the user manual is to help in solving problems with Plinius SA-103. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Plinius SA-103 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
