ifi iPhono, Руководство пользователя

Страница: 1 / 7

1
iFi iPhono User 4 Step Guide
Step 1: Connect MM/MC Input.
Refer to the cartridge manual for the specified output voltage.
Eg: The output voltage of the MC cartridge Denon DL ‐ 103R is 0.25mV ;
The output voltage of a the MM cartridge Shure M97xE is 4mV .
e.g. Shure M97xE (4mV) should be connected to the MM input of the iPhono;
Denon DL ‐ 103R (0.25mV) should be connected to the MC input of the iPhono.
Note: MM and MC inputs should NOT be connected simultaneously.
Tip: For rare High Output MC cartridges like the Ortofon MC ‐ 3 Turbo
，
its output is 3.3mV
，
so it
should be connected to the MM input of the iPhono. The actual output voltage determinate which
input should be used.
Tip: Remember to connect the ground wire from the turntable/arm to the iPhono.
Use the small extension lead included for ease of connection. So full vinyl system is
now fully grounded together.
Step 2: Set Gain.
All phono pre ‐ amplifiers have gain adjustment. Different cartridges require different levels
of gain.
MM cartridges require lower gain and MC cartridge require higher gain. Normally gain is
expressed in decibel (dB), 40dB means 100 times gain.
Cartridges Output Gain Required
>3mV 40dB
1mV ‐ 3mV 46dB
0.3 ‐ 1mV 60dB
<0.3mV 66dB
From the above table, Shure M97xEshould use 40dB gain, and Denon DL ‐ 103R should use
66dB gain.
Cartridge output iPhono input connection
1mV MC
>1mV MM