Cayin - Pearl 30i - 30th Anniversary Tube Amplifier

Separate and Independent Power Supply System

Pearl 30i the 30th Anniversary Tube Amplifier is an Integrated Amplifier in two cabinets with separate Amplifier Unit and Power Supply Unit. In the Power Supply Unit it is combined by four pieces of Power Transformers, which are two pieces for the left channel and two for the right channel. Each channel has its own high voltage power supply and low voltage power supply.

The power supply of each channel is combined by 800 watts high voltage power supply and 200 watts low power supply. Total power reaches 2000 watts to guarantee the dynamic and transient response during music playback.

Amplifier unit and power supply unit take high rigidity of chassis structure with the finest vibration damping treatment. You can put the units side by side or up and down. It can help realise the best S/N ration and lower the magnetic interface to the amplifier unit

Customised power cables

Customised power cables between the amplifier unit and power supply unit. Left and right channel take four cables made out of 6N Copper silver plated wire.

Tung-Sol KT170

The Pearl 30i is designed on the basis of the Tung-Sol KT170 power tubes. It outputs 230 watts power in ultra linear mode or 145 watts power in triode mode per channel. Designed in Class AB push-pull, the Pearl 30i takes four pieces of powerful Tung-Sol KT170 tubes per channel

Dynamic Auto Bias

Pearl 30i takes auto-bias design for the KT170 power tubes. With this design, if you changed the power tubes you would not need to adjust the bias manually. Bias can be adjusted automatically and precisely so that all tubes can be matched raising the reliability of the power tubes and providing an extended lifetime of the power tubes.

Dual-Operation Mode: Triode / Ultralinear

The Pearl 30i offers two operation modes: triode and ultralinear. Change the output mode and get a different sound signature instantly.

Triode Mode: tendering, rich in harmony, and smooth. Ideal for vocal and instrumental music

Ultralinear mode: has power and extension. Clean with energy. Ideal for music with punch and dynamic offering excellent control ability.

Dual Timbres: Dynamic / Soft

This has been realised by adjusting the operation current of KT170 power tubes

Other Features

• High-precision JRC MUSES 72320V electric volume controller to provide low noise, low distortion and 106-sep linear volume control
• With programmed MCU the Pearl 30i is designed with a variety of protection circuits and power-on timing so that the amplifier works in the best condition: 60s time delay during switch on, soft start circuit, and BMI function
• All tube integrated amplifier - all tubes used in the Pearl 30i are handpicked and matched. All have been strategically arranged in the amplification stages to deliver an unparalleled high-end auditory and visual experience. C4004/12AX7 voltage amplification stage & 6SN7 driver stage
• Output transformers are the most important part of any tube amp. They determine how low the bass will reach and how high the the top end goes. Output transformers of the Pearl 30i are custom-designed, wound in-house with Z11 audio-grade silicone steel sheet which guarantees less loss of signal
• AudioCapX PPFXS Coupling capacitors
• Silver plated signal wires which guarantee a the stable signal transfer to lower the signal attenuation and interference
• Nichicon Audio-grade filter capacitors

Inputs & Outputs

Four pairs of line inputs, one pair of balanced input, one pair of RCA pre-in and one pair of XLR pre-in are located on the rear panel of the amplifier. In the Pearl 30i not only the single ended RCA inputs are provided but also the XLR balance input offering you multiple choices to connect with various of audio systems

Difference from other inputs pre-in offers you a possibility to connect to other preamplifiers so that you can use the Pearl 30i as a power amplifier. Both RCA and XLR pre-in are offered in this machine

One pair of sub output is located on the rear so that if you want to get more bass you can use the inter-connector to connect with your subwoofer system

Speaker terminals for 4 and 8 ohm speakers are located on the rear panel of the amplifier