ATOLL ELECTRONIQUE
OWNER’S MANUAL ~ PHONO PREAMPLIFIER
PH100
ATOLL ELECTRONIQUEPage 5Page 4
1) Ground.
2) Module output.
3) Module input.
4) Setup switches (Left channel).
5) Setup switches (Right channel).
6) General power plug.
7) ON/OFF switch.
8) ON/OFF led indicator.
CONNECTING
DETAILS OF FUNCTIONS
1
2 3 4 5 6 7
The PH100 Phono preamp. offers several setups directly from the rear side of the
module. It is operated by the pair of 4 points DIL: one for the Right channel, one for
the Left channel (you can also refer to the screen-printed diagrams on the rear side).
Make sure that the 2 switch blocks are in the same position.
CONFIGURATIONS
8
1) MM – MC Setup: depending of the type of your cartridge, you can select the Input
as MM or MC as shown on the board below:
2) Input impedance choice: These settings apply to both MM and MC cartridges.
They allow you to adapt the musicality of your PH100 to your system.
• For an MM cartridge, put 3 and 4 OFF.
• For a high level MC cartridge (MCH), put 3 ON, and
4 OFF.
• For a low level MC cartridge (MCL), put 3 and 4
ON.
• To select a 47 k resistor, put 1 ON.
• To select a 100 k resistor, put 1 OFF.
• To select a condensator of 100 pF, put 2 ON.
• To select no condensator, put 2 OFF.
Warning: the congurable input resistor is unrelated to the output resistor of
your cartridge (very low compared to the congurable input resistor).
3 4 TYPE
OFF OFF MM
ON OFF MCH
ON ON MCL
1 2
47 k 100 pF ON
100 k - OFF
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