ALLNIC AUDIO H?1500 II PLUS PHONO STAGE Посібник користувача - Сторінка 8
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in/down "mute" position (see Figure 3).
•
pressed the button switches on the right
hand side of the front panel of the phono
stage to the appropriate positions for the
cartridge type, either MC or MM, and the
input ("1" or "2") that you will use initially
(See Figure 3). The left of the two button
switches is for choosing MM (button
pressed in) or MC (button out). The button
switch on the right is to choose the input
for that type of cartridge, either MM or
MC. The position for input 1 is with the
button pressed down in the low position,
and the position for input 2 is with the
button pushed to return to the raised
position.
•
if you are using a moving coil cartridge, set
the MC transformer controls on the top of
the chassis to the factor that you will try
initially
•
checked that all your connections are snug
To turn on the H‐1500 II PLUS, press in the
button switch on the front of the power supply
marked with on and off icons (see Figure 4). Of
course, the off position is the reverse, pressing
the button again so it is returns to the maximum
raised position.
•
OPERATION
When the power supply is on, the light on its front
panel will illuminate, and the light above the word
"ALLNIC" on the front panel of the Allnic Audio H‐
1500 II PLUS phono stage will illuminate.
After a forty (40) second automatic protective
"mute" period, the Allnic Audio H‐1500 II PLUS will
be ready for operation.
To avoid surges to the speakers, it is best to switch
between MM or MC input, or between inputs 1 and
2 of either, only with the H‐1500 II PLUS in "mute"
mode and with your preamplifier volume down or
otherwise muted.
From this point on, operation is straight‐forward. All
functions except for MC transformers' gain selection
are controlled from the front panel. Of course, BE
CAREFUL about differences in gain between your sources.
Generally, disc players and tuners will have greater gain
than phono stages. That means the volume setting for
listening to your turntable might be too high for listening
to CD's.
When you are finished listening, turn off your power
amplifier(s); then turn off your preamplifier and then turn
off the H‐1500 II PLUS last by pressing the on‐off switch on
the front panel of the power supply so it returns to the
out position.
In the case of any failure, please contact Hammertone
Audio for assistance.
TUBES
The H‐1500 II PLUS uses the following tubes (please see
Figure 6):
•
Six (6) x 5842
•
Two (2) x E282F
•
Two (2) x 7233
•
Two (2) x 6485
•
One (1) x 5AR4 (in, and the only tube in, the
power supply)
All consequences of changing or attempting to change
tubes are borne by the user unless by express
agreement between the owner and Hammertone
Audio. Neither Allnic Audio nor Hammertone Audio
will accept any liability whatsoever for any injury to
the user or damage to the H‐1500 II PLUS, any of its
parts, or tubes or replacement tubes resulting from
the user changing or attempting to change tubes.
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