72
Maximum output.................................................. 3.20V into 10K
Ω
or better
Pre/Direct output source impedance ......................................................470
Ω
Comments
The R200i preamplifier also provides two low impedance, short-circuit
protected outputs. Low output impedance is necessary to ensure full-range
response when driving lengthy cables between the R200i preamplifier
section and any connected power amplifier.
Total Harmonic Distortion (THD)........ Typically 0.005% @ 20Hz – 20kHz
S/N Ratio..............................................................Unbalanced inputs > 95dB
................................................................................. Balanced inputs > 95dB
Comments
The R200i preamplifier S/N ratio, at all frequencies between 20Hz and
20kHz, is very low.
Channel separation/Crosstalk ...............Unbalanced inputs –70dB @ 1KHz
................................................................... Balanced inputs –90dB @ 1KHz
Comments
Few manufacturers specify the channel separation of a preamplifier
because “separation” is not supposed to be a problem in preamplifiers.
Unfortunately, that is not the case. Poor wire routing plays havoc with
high-frequency separation while poor power supply design impairs low-
frequency separation. Since we have taken care of this problem, we can
specify channel separation at all frequencies with confidence.
CMRR................................................................................. Balanced > 95dB
Comments
For more information, please refer to Chapter 11 “Maximising System
Potential” and consult the “Balanced Interconnects” section.
Audio inputs........................................1 x pair of balanced XLR style inputs
......................................................4 x pairs of unbalanced RCA style inputs
Audio outputs..................... 1 x pair of unbalanced RCA style direct outputs
............................................... 1 x pair of unbalanced RCA style pre outputs
