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The control preamplifier plays the
central role in the audio system:
- It must switch among multiple sources.
- Accept both balanced XLR and Single-ended RCA
inputs.
- Accurately control the volume or level of the
audio signal.
- Allow simple soft and hard muting of the signal
- Provide remote control function.
- Condition and buffer the balanced XLR outputs
to optimally drive the power amplifier.
It must provide these functions while
maintaining all of the low-level signal information, imposing minimum noise
and bandwidth reduction and low levels of linear and non- linear signal
distortion, all while providing a simple and intuitive control interface.
The PRe3 control preamplifier fulfills
all of these functions in a highly optimized, compact design providing
remarkable signal fidelity. The unique, Single-Knob control interface insures
an intuitive and easy to use means for controlling your system, this is a
user interface that emphasizes you, the user. The compact dedicated remote
control is also easy to learn and use and adds soft and hard mute functionality.
The PRe3 signal path and power supply
architecture provides remarkably low levels of non-linear distortion,
extremely low-noise levels, wide bandwidth with a high degree of control
accuracy and channel-channel tracking to insure a seamless and utterly
transparent means to controlling your audio system.
Design Features:
- Ultra-wideband, low distortion true balanced
output buffer stage with selected audio grade resistors
- 100 dB of level control in accurate 0.5 dB
steps
- 5-RCA, 1 XLR input
- XLR main, RCA main and buffered RCA record
outputs
- Dual low noise toroidal power transformers for
control/display and analog stages
- Multi-stage regulation with ultra-wideband, low
noise audio stage regulation
- 4-layer board design for optimized ground,
signal and power routing
- Single sealed telecom grade control relay in
the signal path
- DC coupled design with no signal path
capacitors
All critical parameters are optimized to
provide an open window between your audio sources and power amplification.
Discover a new world of musical expression through the PRe3 today.
User Guide
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