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Cayin CS-6PH - HIFI Tube Phono Stage
For demanding vinyl fans, Cayin developed the CS-6PH tube phono preamplifier, which offers two phono inputs for high-quality MM and MC pickups.
This allows the connection of multi-arm turntables with two different pickups or two turntables, each using an MM or MC system. The inputs can be selected on the solid aluminum front panel.
In the CS-6PH two 6922 from Electro Harmonix are responsible for the MC gain, two ECC83 from JJ Electronics are used for the MM gain with high-precision RIAA equalization. Two 12AT7 take over the output stage. Two RCA 22DE4 tubes are used for voltage rectification and minimize the residual ripple.
A three-position LOW/MED/HIGH gain switch is located on the front of the Cayin CS-6PH, available in black or silver. Here the gain can be increased from 40 dB to 57 dB, 61 dB or 65 dB. Typically the 40dB setting is for moving magnet cartridges and the 57dB, 61dB and 65dB gain settings are for moving coil cartridges. From the factory, the CS-6PH is set to 40dB and 47kohm/47pF for MM.
With the CAP switch on the front panel, users can set the input capacitance of MM to 47pF or 100pF. The input impedance of MC can be adjusted to the needs of each pickup with the impedance selector switch: 47 ohms, 100 ohms, 200 ohms, 470 ohms and 1000 ohms.
A low-pass filter, which prevents high cone excursions caused by low frequencies as a result of warped records, it can be activated via the rumble switch.
Output Voltage: 200mV(20mV Max) (MM Input) | 200mV (20mV Max) (MC Input)
Amplification Factor: 40dB (MM Input) | 57dB/61dB/65dB (MC Input)
THD: 0.05% (1kHz) (MM Input) | 0.1% (1kHz) (MC Input)
Power Consumption: 62w
S/N Ratio: 85dB (MM Input) | 70dB (MC Input)
Input Sensitivity: 2.5mV (200mV, 1kHz) (MM Input) | 0.12mV ~ 0.25mV (200mV, 1kHz) (MC Input)
Input Impedance: 47kΩ (MM Input) | 47/100/200/470/1000Ω (MC Input)
Input capacity: 47pF/100pF (MM Input) | 56pF (MC Input)
Inputs: 1 x RCA (MM Input) | 1 x RCA (MC Input)
Outputs: 1 x RCA, 1 x XLR
Output Impedance: 200Ω RCA (Unbalanced), 600Ω XLR (Balanced)
Dimension: 360 x 309.5 x 177mm (W x D x H)
Net Weight: 11.5kg
2 x Electro Harmonix 6922 (MC Gain), 2 x JJ Electronics 12AX7 (MM Gain), 2 x 12AT7 (Output Stage), 2 x RCA 22DE4 (Voltage Rectification)