gml gml2020 Manual De Usuario
The Model 2020 High Resolution Discrete Input Channel offers unprecedented flexibility
and sonic accuracy when dealing with a variety of signal sources and conditions.
Whether a very simple gain stage or a comprehensive processing path with filter, EQ,
and compression is desired, the Model 2020 can accommodate, quickly adapting from
one requirement to the next. Although on the surface the Model 2020 seems dauntingly
complex, this single-channel unit may be subdivided into several sections for a more
straightforward operational analysis.
and sonic accuracy when dealing with a variety of signal sources and conditions.
Whether a very simple gain stage or a comprehensive processing path with filter, EQ,
and compression is desired, the Model 2020 can accommodate, quickly adapting from
one requirement to the next. Although on the surface the Model 2020 seems dauntingly
complex, this single-channel unit may be subdivided into several sections for a more
straightforward operational analysis.
I. Input Section
The input section of the Model 2020 High Resolution Discrete Input Channel is based
on the gain stage of the Model 8300 Transformerless Microphone Preamplifier, though
there are some design changes and quite a few additions to expand its capabilities
further than is realized in the highly specialized Model 8300 mic preamp.
on the gain stage of the Model 8300 Transformerless Microphone Preamplifier, though
there are some design changes and quite a few additions to expand its capabilities
further than is realized in the highly specialized Model 8300 mic preamp.
Three input formats are accommodated on the Model 2020: on the back panel, XLR
connectors are provided for microphone and line inputs separately, while the front panel
sports a 1/4" unbalanced musical instrument connector.
connectors are provided for microphone and line inputs separately, while the front panel
sports a 1/4" unbalanced musical instrument connector.
The microphone input of the Model 2020 is an exact copy of the Model 8300 input
circuitry, complete with 48V phantom power and subsequent 2-pole phantom filter.
Unlike the Model 8300, the phantom power switch is conveniently located on the front
panel and includes an LED indicator to warn the user that phantom power is ON. The
Mic input is precision electronically balanced, 1 k
circuitry, complete with 48V phantom power and subsequent 2-pole phantom filter.
Unlike the Model 8300, the phantom power switch is conveniently located on the front
panel and includes an LED indicator to warn the user that phantom power is ON. The
Mic input is precision electronically balanced, 1 k
Ω
nominal input impedance, with
tremendous dynamic range and wide bandwidth.
The 20k
Ω
balanced bridging Line input is the simplest input path to the gain stage and
allows the Model 2020's versatility to extend well beyond tracking sessions. Indeed, the
inclusion of this input allows the Discrete Input Channel to be used at any stage of the
recording process. The Model 2020 thus proves rather desirable in mixing situations,
either as a single independent unit or in a bank of linked units
inclusion of this input allows the Discrete Input Channel to be used at any stage of the
recording process. The Model 2020 thus proves rather desirable in mixing situations,
either as a single independent unit or in a bank of linked units
(for further information on this
topic, see the Link section of this manual)
.
Rounding out Model 2020 input options, the front panel M/I input extends the sphere of
application to the realm of the oft-neglected musical instrument. This high impedance
unbalanced input (1M
application to the realm of the oft-neglected musical instrument. This high impedance
unbalanced input (1M
Ω
nominal) offers extremely low noise and low distortion, plus a
wide dynamic range and ruler-flat extended frequency response to outclass common
instrument inputs. Especially useful for recording bass or electric guitar--in addition to
an amp, miked and routed through another Model 2020, or straight to tape--this input
can also be used for a variety of other unbalanced sources such as electronic
keyboards, samplers, etc.
instrument inputs. Especially useful for recording bass or electric guitar--in addition to
an amp, miked and routed through another Model 2020, or straight to tape--this input
can also be used for a variety of other unbalanced sources such as electronic
keyboards, samplers, etc.
OPERATION