Magnet PR-7 Operation Manual

Summary of PR-7

  • Page 1

    Magnet pr-7 pre-amplifier operation manual magnet technology corporation showroom: room 509, 5th floor, hi-fi center, rajdamri road,patumwan, bangkok 10330 thailand., tel: (66)02-655-3526-8 fax: (66)02-655-3529 head office: 45/11-12 soi boonnark, sukhonthasawat rd, lardprao, bangkok, 10230, thailand...

  • Page 2

    1 important 1 the lightning flash with arrowhead, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons . Caution: to preven...

  • Page 3

    2 preface thank you for purchasing the magnet pr-7 pre-amplifier. You have selected a component which has been designed to exacting standards to provide you with years of listening pleasure. It is important to remember that all magnet’s products can provide high quality sound, if you take proper car...

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    3 connections note : make all connections to and disconnection from the pr-7 with ac power disconnected and all system components switches “off.” inputs the pr-7 has a total of 7 line level inputs. 1. Gnd ground point for special ground requirement such as turn table. 2. Phono receive signal from tu...

  • Page 5

    4 functions 1. Power pressing the power button once on the front panel will turn the machine on. The led on the front panel will light up when the machine in on. The pr-7 will remain in mute for approximately 4 sec after turning on to allow for component stabilization. The power led will be dimly li...

  • Page 6

    5 specifications phono input impedance 47k ohms,100pf voltage input for 150mv output 2.5mv s/n a-weighted 75 db maximum input voltage 250 mv riaa accuracy +/- .5 db line amp. Input impedance 20k ohms, 220pf voltage input for 900mv output 150 mv s/n a-weighted 85 db maximum input voltage 2.5v frequen...

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    6.