Products - Designer Series

C 306
preamplifier

The C 306 preamplifier has dual mono circuitry to keep all channel to channel crosstalk to a minimum. The all aluminum chassis has machined aluminum cone feet for leveling the preamplifier in the installation.

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Specifications
Circuit Design Dual mono, Class A, solid state
Rated THD 0.001%
Power Supplies 3 power transformers
Cabinet All aluminum chassis
Mounting Feet Custom machined adjustable aluminum feet
Input Connections Three XLR stereo pair inputs,
Three RCA stereo pair inputs
One RCA Tape monitor input pair
Tape Outputs Two RCA outputs
Front Panel Display Full readout functions for current settings or adjustments in the set up mode
Remote Turn On Three rear panel 12 volt triggers with 3.5 mm mini plugs
Frequency Response 5 Hz - 100,000 Hz, + 0.1 dB
Maximum Output RCA 8 volts, XLR 16 volts
Signal to Noise Ratio - 120 dB, 20 - 20 kHz
Input Impedance RCA 100 k ohms
XLR 200 k ohms
Volume control range 80 dB, 0.1 dB steps above 50 in the front panel display, 1.0 dB steps below 50 in the display
Voltage gain 18 dB in the line stage
Output Impedance < 4.4 k Ohms, XLR
< 2.2 k Ohms, RCA
Crosstalk - 120 dB
Power Input Configured at the factory for 100-120 or 200-240 Volts AC @ 50-60 Hz
Features ALL aluminum chassis, with either silver or black anodized finish, fully regulated power supply circuits, RS 232 port control, rear panel Infra Red input connection, discrete code commands for RS 232 and IR commands
Power Consumption

95 watts - Operation
5 watts - Standby

Weight 40 lbs
Dimensions 5" H x 18" W x 15" D

 

Resources
 
ArrowOwner's Manual PDF
ArrowLiterature Sheet PDF
ArrowTechnical Sheet PDF
ArrowAdditional Photos
Highlights

The C 306 has three (3) XLR and RCA analog inputs per channel. The RS 232 port control can be controlled with a home automation system. The infra red and RS 232 remote control codes are discrete for ease of system integration and full system control. The signal to noise ratio and the overall distortion in the C 306 are so low as to be inaudible.

The input selection and volume are remotely controlled. The volume control in the C 306 is made from precision resistors so that the tolerances are extremely close, channel to channel. The front panel display shows the volume setting and the input chosen for playback. When the display panel volume setting is higher than 50 in the output level readout the volume increases in increments of 0.1 dB. Below the readout volume setting of 50 the volume changes in 1.0 dB steps. This sort of volume control precision is like the 'laser trimmed resistor ladders' in multi bit digital to analog converters. The back panel includes a remote turn on trigger for the A 306 Power Amplifier.