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Specifications
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Operating the C 306 Preamplifier is a simple procedure, since each unit is designed for long term
stability in virtually any home operating situation. However, if the unit is operated outside the
parameters outlined in this owner’s manual, damage may result. Please read this manual carefully
before putting your new Cary Audio Design C 306 in operation. The following definitions are
applicable to this manual. Please follow these definitions carefully.
1.1 Specifications
The following section describes the C 306 Preamplifier basic specifications. Specifications are
subject to change without notice or obligation.
Preamplifier Input 3 pair balanced on XLR
3 pair single-ended on RCA
Preamplifier Output 1 pair balanced main output on XLR
1 pair single-ended main on RCA
2 pair record outputs on RCA
Controller Connectors 1 IEC AC mains receptacle
1 - 3.5mm “mini plug” jack for IR input
3 - 3.5mm “mini plug” jack for trigger out
RS 232 full remote configuration interface
Gain 18 dB in the line stage
Volume control range 80.0 dB
Gain resolution 0.1 dB steps above 50.0 in display
1.0 dB steps below 50.0 in display
Input overload 12 V on XLR, 6 V on RCA
Input impedance 100 k Ω on RCA
200 k Ω on XLR
Output impedance < 4.4 k Ω on XLR
< 2.2 k Ω on RCA
Maximum output (MAIN outputs) 16 V on XLR
8 V on RCA
THD + N less than 0.001%
Crosstalk, any input to any output,
Input unterminated less than –120 dB
Input terminated less than –140 dB
Residual noise
20Hz to 20kHz, input terminated less than –120 dB
Frequency response, 5Hz-100kHz +/- 0.1 dB
Power Input Configured at factory for either
100-120 or 200-240 VAC, 50-60 Hz
Power Consumption 95 Watts