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Display: PPM Output
The PPM Output display shows the peak reading of the output level (cali-
brated to 0 dB) and is present at the analog outputs on the rear of the unit. This
display also serves to the pre-amplifying Gain. The value ”+12 dBu” marked on
the right side represents the maximum level of the optional AD/DA converter
which should not be exceeded. (Further information is given in the directions
to the AD/DA converter).
Although the values of the PPM Output display only cover up to + 12 dB
sufficient headroom remains internally (approximately 6 dB) so that the output
value can exceed this limit without causing clipping. The range of optimal
noise performance lies between 0 and + 9 dB.
Display: Gain Reduction
The Gain Reduction display provides information about the processing being
undertaken with the Compressor/Limiter or the Noise Gate. The level change,
perhaps caused by compression, are scaled in 1.5 dB steps. The display is acti-
vated when the Compressor/Limiter module is switched on.
Built around a torroidal transformer, the power supply allows for a minimal
electromagnetic field with no hum or mechanical noise. The power supply‘s
output side is filtered by an RC circuit to extract noise and hums caused by
your power service. 6000 µf capacitors smooth out the positive and negative
half waves.
The phantom power is derived with a precise current regulator to provide a
clean phantom power of 48 volts. Our high quality 0.1 % / 6,81 kOhm resistors
ensure the pristine quality of the phantom power supply.
The supply voltage can be set to 230 V/50 Hz or 115 V/60 Hz. Check your
country‘s power requirements for the appropriate setting. An AC power cord
is included to feed the IEC-spec, 3-prong connector. Transformer, AC cord and
IEC-receptacle are VDE, UL and CSA approved. The main fuse is rated at 315 mA
for 230 v and 630 mA for 115 v.
Chassis ground and AC ground can be physically disconnected by the
“Ground Lift” switch (Gnd Lift). This helps to eliminate hums.
Control Elements
Output/Display
Power Supply
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