CSPort C3PR Stereo Preamplifier

SKU: 45362 Category: Availability: Pre-order

23.400,00 

Tube type preamplifier with reliable tube C3g. High ability to eliminate common mode noise due to noise processing technology based on power supply development. Provides a noise reduction effect.

Available on backorder

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Description

A1 2

Equipped with C3g

Equipped with the ultra-reliable C3g developed by Deutsche Telekom for telephone repeaters. The thin grid lines and large distance between electrodes enable high linearity amplification. The C3g is soldered directly onto the board to reduce noise at the contact point.

Proprietary transformers

Proprietary transformers are used for the input and output. The transformer is an important part that influences the performance of distortion, S/N ratio and input/output impedance. Therefore, the core material, wire material, winding thickness, and winding ratio are meticulously designed and manufactured.

A4 6R
A4 2

Power supply for each left and right

Independent power supplies deliver power to the left and right channels as well as control circuits. Using all of the characteristics of the components together, we are able to preserve silence.

Resistance switching ladder attenuator

In a variable resistor that slides on a resistor, noise is generated by a point-contact diode, which can be a source of distortion. This unit is a crossbar twin structure. A gold and platinum contact relay switches the resistance and attenuates from 0 dB to -60 dB.

CSPort C3PR Stereo Preamplifier
C3PR Preamp Side View
C3PR Preamp Rear
C3PR Design

Specifications

Model C3PR
Type Vacuum tube stereo preamplifier
Frequency Response 20 Hz-20k Hz +0-1 dB
Max. Input Voltage 4 V/1k Hz
Max. Output Voltage 4 V/1k Hz
THD 0.05%/1k Hz 250 mV
Signal to Noise Ratio 80 dB/ATT 0 dB, 100 dB/ATT -20 dB
Gain 16 dB
Min. load Impedance 600 Ω
Input Terminal Balanced x2, Unbalanced x4
Input Impedance 7k Ω or more
Output Terminal Balanced x2, Unbalanced x2
Output Impedance 50 Ω or less
Balance Adjustment ±3.5 dB
Compensator +2 dB 3 Steps 100 Hz
Remote Control Infrared transmitter
Power Supply AC100/120/200/240 V, 50/60 Hz
Power Consumption 30 W
Dimensions 470W×90H×400D mm
Weight 14 kg
Finishing Anodised aluminium
Accessories AC cords, Remote control, microUSB cable for charging
Warranty Period 5 years
  • Please use a pre-stage equipment with an output impedance of 1.5k Ω or less.
  • Dimensions do not include legs, knobs, and terminals.
  • The appearance and specifications are subject to change without notice.
  • Actual colors may differ from those in the photographs due to shooting, lighting, etc.

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