5
for such applications to clean the contacts from time to
time, as you deem appropriate.
INITIAL SET-UP
A.
LOCATION, LOCATION, LOCATION
Like all audio products using tubes, the Allnic Audio H-1201
needs to be placed on a solid stand in a location that provides
good air circulation around the phono stage.
DO NOT cover the top of the H-1201 phono stage or
tube chimneys.
DO NOT place the unit on carpet or foam.
DO NOT subject the unit to knocks and shocks as you
move it around. This advice is meant particularly for
those who may want to place the H-1201 on some
kind of after-market isolation feet or similar devices.
Dropping the H-1201 is not a good thing to do and
may void the warranty.
DO NOT place the unit near a strong light or heat.
DO NOT place anything heavy on the unit.
DO NOT allow rubber or vinyl materials to rest on the
unit’s chassis for long periods of time. This could
discolour the metal.
DO place the unit on a shelf or stand that is stable
and not subject to vibration or sudden shock.
DO consider using a high quality power cord and
inter-connects, for both inputs and outputs. The H-
1201 is a highly sensitive piece of electronic designed
for neutrality and will output what you put into it.
DO try to place the H-1201 away from major sources
of RFI and EMI; though well shielded, the H-1201 will
function best away from large power transformers
and other sources of such interference.
B.
POWER CONNECTIONS
The H-1201 uses a standard three prong male IEC
connection for AC input. You need to use a power cord with
a female three prong IEC connector at one end (See Figure
1).
The H-1201 power supply you have purchased is set
internally for AC 110/120 volt – 60 HZ operation. There is no
way to change this to another AC setting without return of
the unit to the factory for re-wiring, at the owner’s cost,
including transport both directions.
C.
INPUTS
There are two (2) pairs of single-ended (RCA) inputs, one for
Moving Coil (MC) cartridges and the other for Moving Magnet
(MM) cartridges. These two pairs are located in the middle of
the rear of the H-1201 (See Figure 1) and labeled “MC – input –
MM” between the top and bottom connectors. Facing the rear
of the H-1201, the left hand pair of inputs is the moving coil
cartridge input; the right is for moving magnet cartridges. Each
pair of inputs is aligned vertically, with the left channel “left”
labeled input at the top and the “right” labeled input on the
bottom.
To the left and right (facing the rear panel) of the MC and
MM input connections respectively is a screw type ground
connector. Either or both of these may be used for multiple
ground connections.
When you are facing the front of the H-1201, the input
connections are in the centre of the unit, with the MC
connections on the right and the MM connections immediately
to their left.
The H-1201 has been designed and manufactured to work most
synergistically with Allnic Audio preamplifiers, pre-phono stages
and equalization products.
D.
OUTPUTS
The H-1201 is equipped with one set of unbalanced or “single-
ended” (RCA) outputs The output connection is just to the left
(facing the rear panel) of the AC IEC power cord connection. The
left channel output connection is the top one and is labeled
“left”; the bottom, “right” (See Figure 1).
E.
Moving Coil (MC) Transformer Controls
On the top of each channel’s MC transformer on the centre
rear of the chassis deck of the H-1201 (See Figure 4), there is
a rotating control (See Figure 3). Turn the control knob to
select from four gain factors: +22dB, +26dB, +28dB and
+32dB. Combined with the H1201's 40dB native gain, for MC
there is 62dB, 66dB, 68dB and 72dB of gain available
.
Each of
the second set of indicators on the top of the transformers
only marks the impedance tied to the gain setting diagonal
