Cayin Pearl 30I

The Cayin Pearl 30i represents the culmination of three decades of expertise in tube amplification. Designed specifically to mark the brand’s 30th anniversary, this integrated stereo tube amplifier is not just an audio device—it’s a true statement of intent. With its two separate chassis design, impressive power, and refined musicality, the Pearl 30i embodies the very essence of Cayin’s craftsmanship in the world of high-fidelity.

A Two-Part Architecture for Absolute Sound Purity

The Pearl 30i takes an unconventional approach with its two separate chassis design. The first houses all the audio circuits, while the second is entirely dedicated to the power supply. This separation is not merely aesthetic—it addresses a fundamental acoustic requirement: isolating sensitive circuits from the electromagnetic interference generated by the power transformers.

The power supply unit impresses with its meticulous design, incorporating four power transformers. Two transformers are dedicated to the left channel and two to the right, allowing for completely independent power delivery to each channel. This architecture ensures exceptional electrical stability and eliminates crosstalk between channels. Cayin goes even further by also separating the high and low voltage supplies for each channel. This approach guarantees that each component receives exactly the type of current it needs, with no compromise.

The connection between the two units is made via a specific cable using ultra-high purity copper plated with silver. This attention to detail in current transmission perfectly illustrates the uncompromising design philosophy adopted by Cayin for this anniversary model.

The Magic of Tubes: Meticulous Selection for Exceptional Musicality

At the heart of the Pearl 30i is a carefully selected tube configuration. The preamplification stage uses two Mullard CV4004/12AX7 tubes, renowned for their musicality and finesse. Signal processing is handled by four TungSol 6SN7GTB tubes, ensuring balanced and transparent amplification.

The power stage impresses with its eight KT170 tubes, chosen for their ability to deliver considerable power while maintaining a warm and detailed sound. These power tubes are paired with output transformers featuring high-purity copper windings and silicon steel laminations specifically selected for their acoustic qualities.

A particularly innovative aspect is the automatic bias system with an integrated optical detector. This technology ensures that the tubes always operate under optimal conditions, maximizing their musicality and significantly extending their lifespan. This special attention to tube longevity addresses a practical concern for audiophiles, for whom tube replacement is often a significant expense.

Sonic Versatility: Two Amplifiers in One

One of the most remarkable features of the Pearl 30i is its ability to operate in two distinct modes: triode and ultra-linear. This feature essentially offers two amplifiers in one device, each with its own sonic signature.

In triode mode, the amplifier delivers 2 x 145 watts, enough to efficiently drive the majority of speakers on the market. This mode favors a particularly warm, textured sound rich in harmonics. The stereo image becomes more expansive, with an especially airy soundstage.

Ultra-linear mode boosts the power to 2 x 230 watts, allowing it to drive even the most demanding speakers in terms of impedance and efficiency. In this configuration, the sound gains energy and dynamic impact, excelling in the reproduction of complex musical passages and fast transients.

In addition to these two main modes, the Pearl 30i also offers a personalized tone control. The dynamic mode produces a denser, fuller sound, while the soft mode favors a rounder, smoother listening experience. This flexibility allows you to precisely tailor the sonic signature to your personal preferences, the type of music you’re listening to, or the acoustic characteristics of your listening room.

Ergonomics and Control: A Meticulously Crafted Interface

The central element of the user interface is the volume knob, which offers precise adjustment across 106 different steps. This exceptional granularity allows you to set the listening level with surgical precision, thanks to the JRC MUSES72320V digital volume controller.

Above this main control is an elegant wooden panel housing four toggle switches and an analog VU meter. These controls allow you to manage the VU meter display and its backlighting, switch between triode/ultra-linear modes and tone settings, and select the input source. A digital display completes the setup by providing clear information on the selected source.

The Pearl 30i comes with a fully aluminum remote control, allowing you to operate the device from a distance. A convenient feature enables the amplifier to remember your last settings when powered off, ensuring you resume listening in exactly the same conditions as before.

Connectivity and Versatility: Suited to All High-End Systems

The Pearl 30i’s connectivity is generous and comprehensive, making it easy to integrate into a sophisticated audio system. The amplifier features four stereo RCA line inputs (AUX1 to AUX4) and a balanced XLR input, offering multiple options for connecting your analog sources.

An interesting feature is the presence of PRE-IN inputs in both XLR and RCA. These connections allow you to use the Pearl 30i as a pure power amplifier, bypassing its preamplification stage. This flexibility is especially appreciated by audiophiles who already own a reference external preamplifier.

On the output side, the device offers a subwoofer output to extend the bass spectrum if needed. The speaker terminals are available in two impedances (4 and 8 ohms), allowing for optimal adaptation to virtually any type of loudspeaker.

A Complete Family for a Cohesive System

The Pearl 30i is part of an anniversary series that also includes the Pearl 30c CD player and the Pearl 30d digital-to-analog converter. These devices share the same design philosophy with separate power supplies and perfectly coordinated aesthetics. This systemic approach allows you to build a complete hi-fi system with total technical and visual coherence.

The Pearl 30c CD player stands out with its top-loading mechanism and sophisticated jitter cleaner. The Pearl 30d DAC completes the set with its high-precision digital-to-analog conversion capabilities. This comprehensive range demonstrates Cayin’s holistic approach to celebrating its three decades of experience in high-fidelity audio.

Technical Specifications

General Design

• Type: stereo tube amplifier with separate power supply
• Settings:
  • Triode / ultra-linear mode
  • Smooth or dynamic tone
• Display: needle VU meter + front display
• Control: remote control included

Tubes and Components

• Tube configuration:
  • 2x Mullard CV4004 / 12AX7
  • 4x TungSol 6SN7GTB
  • 8x KT-170

Audio Performance

• Power output:
  • 2 x 145 W (triode mode)
  • 2 x 230 W (ultra-linear mode)
• Frequency response: 5 Hz – 75 kHz (–3 dB, UL, RCA)
• Distortion (THD): 0.2% at 1 kHz
• Signal-to-noise ratio:
  • 96 dB (RCA)
  • 100 dB (XLR)
• Input sensitivity:
  • RCA: 450 mV
  • Pre-in: 1100 mV
• Input impedance: 20 kΩ

Connectivity

• Inputs:
  • 4x stereo RCA inputs
  • 1x XLR input
  • 1x RCA pre-in input
  • 1x XLR pre-in input
• Outputs:
  • 1x subwoofer output
  • 4 & 8 ohm speaker terminals

Physical Characteristics

• Dimensions and weight:
  • Amplifier: 430 x 252 x 555 mm — 46.5 kg
  • Power supply: 430 x 129 x 517 mm — 43 kg