Audio Analogue SRL STEREO LINE PREAMPLIFIER manual

AUDIO ANALOGUE maestro STEREO LINE PREAMPLIFIER OWNER’S MANUAL MANUALE D’ISTRUZIONI[...]

2[...]

3 INTRODUCTION AUDIO ANALOGUE does not take any responsibilities in the following cases: Whenever the operational procedures related to the use and the maintenance of the equipment as described in th is manual are not respected. Whenever damages to the equipment occur because of fixing and modificat ions made form non-authorized staff or because of[...]

4 PREMESSA AUDIO ANALOGUE non accetta responsabilità nei casi in cui: Le procedure operative di utilizzo e manutenzione de ll’apparato descritte nel manu ale non siano rispettate. I danni si verifichino in seguito a riparazioni o modifiche del l’apparato eseguite da personale non autorizzato o a seguito di normale deterioramento dell’apparat[...]

5 Dear Audiophile, Congratulat ions and thank yo u for choosing Mae stro Line Pream pl ifier. You’r e now the owner of a unit that est ablishes a new reference in the cat egory of high-quality and high-v er satility ster eophonic products. Maestro Line Preamplifi er provides cir cuital solutions with no c ompromises a nd features ca pable to sati[...]

6 Features Double-chass is to separate t he line section from the digital an d power supply sectio n. 400Hz synthesis system analogical power supply with t wo thoroidal resistors a nd two different power lines for eac h channel. Thoroidal trans former digital p ower supply. Power plug for extern al phono amplifier. Analogical circuits w ith separat[...]

7 1 2 34 65 78 9 1 2 34 65 78 9 Front panel 1) Multifunctional and input sele ctor. It allows choosin g the sound sourc e visualizing it on the displ ay. It also allows sending the soun d source to the ta pe out and modifyin g set-up settings. 2) Volume control. Fading level is show n on the display. 3) “Tape” button . When this button is pres [...]

8 Chassis A back pan el 1) IEC standard power inlet. Con nect here the provi ded power cord. 2) Fuses(T2A). 3) RS-232 serial port. 4) 25-pin connect or for digital control s ignals. 5) Power plug fo r external phono amplifie r. 6) 4-pin XLR conn ector for le ft analogic power supply. 7) 4-pin XLR connect or for right analog ic power supply. Chassis[...]

9 Descrizione del pannello posteriore telaio A 1) Presa di rete a norm a IEC. Collegare il ca vo di alimentazione di re te fornito in dotazione. 2) Fusibili(T2A). 3) Porta seriale RS-2 32. 4) Connettore a 2 5 poli per i segna li digitali di contr ollo. 5) Presa di alim entazione per amplificator e phono estern o. 6) Connettore XLR a 4 poli per alim[...]

10 Remote controller 1) “STBY”. Standby. It activa tes/deactivates standby mode. 2) “VOL+/VOL-“. Volum e setting. 3) “MUTE”. It activates/deactivates muting 4) “IN+/IN-“. It allows source sele ction and navig ation through the set-u p. 5) “SET”. It activates the set-up. Descrizione del telecomando 1) “STBY”. Stand-by. Attiva[...]

11 Unpacking and checking package Carefully open the package to avoid damaging the c ontent. The packa ge should contain: • 1 Maestro Line pre amplifier • 1 remote controller • 1 power cord • 2 AAA batteries (placed in the remote controller) • 3 connectors for sect ions linking (two X LR and one DB 25 connectors) • 1 instruction manual [...]

12 Plugging and connecting Maes tro Line Preamplifier First of all, you have to link the two sections of the u nit using the thr ee provided con nectors. Before connect ing Maestro Line Pream plifier to the sou nd source a nd to the am plifier, ple ase be sure t hat all the un its are unplugged from wall out lets. Connect the sources to the Maestro[...]

13 Volume settings and silencing (mute) The volume knob on t he front pane l and the Vol+/Vol- buttons on the r emote controller chan ge the gener al sound level. It means that the vo lume of the two channels is al tered iden tically. It is po ssible to modify the relative level of each channel changing th e balance o ption in the setu p. The mute [...]

14 Notes on inputs bypassing Set-up has an optio n that allows send ing the input sign al to the outputs to byp ass the amplif ier when t he unit is in stand - by mode. It is possi ble to choos e among th e 8 availabl e outputs. This op tion is us eful when you w ant to integr ate the preamplifier into a multi-channel syst em, so that you c an conn[...]

15 Set-up navigation Due to the reduced si ze of the display, only one option at a time is show n. Use the remote contro ller to navigate t hrough the different options, to cho ose the desired one and also to mo dify the parameters va lue. To select the desired option , repeatedly pr ess the “SET U P” button on the front panel or the “SET” [...]

16 Specifications In/out configuration Paramete r Measurement conditions Value Channels: - 2 Line gain 20Hz-20kHz 12dB Frequency respons e: Attenuation –10dB Attenuation –20dB Attenuation –30dB <10Hz-115kHz +0/-1dB <10Hz-80kHz +0/-1dB <10Hz-30kHz +0/-1dB Noise level: Attenuation 0dB Band limits 0Hz-48kHz 125dB under 1V Unbalanced in [...]

17 Specifiche Tecniche Configurazione in/out Parametr o Condizioni di misura Valore Numero di can ali: - 2 Guadagno sta dio linea 20Hz-20kHz 12dB Risposta in freq uenza Attenuazione –10d B Attenuazione –20dB Attenuazione –30dB <10Hz-115kHz +0/-1dB <10Hz-80kHz +0/-1dB <10Hz-30kHz +0/-1dB Livello di rumor e Attenuazione 0dB Limiti di b[...]

18 TROUBLESHOOTING Symptom Cause Remedy Power cord incorrect ly plugged Make sure the powe r cord is correctly plugged into the am plifier and into the wall outlet Display is off No sound Burned-out fuses Check fuse s in the fuse panel (after unplugging the power cord from the wall outlet) above the IEC power inlet and replace th em with new ones o[...]

19 RICERCA GUASTI Sintomo Causa Rimedio Cavo di alimen tazione non correttament e collegato Controllare che il cav o di alimentazion e sia ben inserito nell’ampl ificatore e nella presa di r ete Display spento Nessun suono Fusibili di rete bruciat i Contro llare i fusibili nel portafusibili (dopo aver staccato il cavo dalla pres a di rete) sopra [...]

20 AUDIO ANALOGUE Head Office Ufficio commerciale : Via C. Bottai, 88B - 51015 Monsummano Terme (PT) Italy tel. 0572 954513 fax 0572 954010 R&D Laboratory Laboratorio ricerca e svilupp o: Via XX Settembre, 47 - 56017 S an Giuliano Terme (PI) Italy www.audioanalogue.com - info@audioanalogu e.com[...]