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Cayin CS-150A

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Description

Description: Freakuence!
For tube lovers only! The Cayin CS-150A grabs you by the throat with raw dynamics and energy, especially in ultralinear mode, where it cuts off with surprising sharpness. In triode mode, the warm tones soften slightly, with longer reverberation and a more intimate atmosphere without fading into dullness. It paints the soundstage—hearing is believing.
General description
The Cayin CS-150A is an integrated tube amplifier that lets you know right from the start that this is serious audio equipment. The Cayin CS-150A combines classic tube technology with impressive power, making it a robust power amplifier and preamplifier in one. The name Cayin CS-150A stands for refinement in dynamics: it brings out the details in your tracks without compromising stereo imaging or control over the soundstage.
The sound of the Cayin CS-150A is characterized by a warm, rich midrange, open and clear treble, and bass that combines power with finesse. In ultralinear mode, the sound gains more punch, while triode mode makes the sound softer with an elegant flow. Despite its tube-like character, the sound remains remarkably transparent, with fine texture in every layer and a level of resolution rarely heard in tube amplifiers. The stereo image is deep and spacious, instruments are well localized, and the detail in recordings stands out from the crowd.
Would you like to hear for yourself how the Cayin CS-150A can enhance your listening experience? Feel free to schedule a listening session in our listening room and experience the nuance and vibrancy for yourself. Or compare the Cayin CS-150A with other integrated amplifiers to discover which sound best suits your taste; we’d also be happy to discuss trade-in options with you.
Cayin CS-150A Specifications
Triode Power Output: 55W per channel Ultralinear Power Output: 100W per channel Frequency Response: 9 Hz to 50 kHz (-3 dB) THD: 2% at 1 kHz Signal-to-noise ratio: 90 dB Input sensitivity (built-in preamp): 380 mV Input sensitivity (Pre-IN): 1200 mV Input impedance: 100 kΩ Output impedance: 4 Ω and 8 Ω Maximum power consumption: 520 W Tube configuration: four 6SN7GTB, four KT150, one RCA 22DE4 Inputs: balanced XLR, LINE1, LINE2, PRE-IN Dimensions (W x D x H): 420 mm × 389 mm × 218 mm Net weight: 34 kg Operating temperature: 0 °C to 40 °C Operating humidity: 20% to 80% Storage temperature: -20 °C to 70 °C Storage humidity: 20% to 90%
Background Information
The Cayin CS-150A is a high-end tube amplifier designed using a blend of traditional and modern technologies. Developed by Cayin’s experienced engineering team, including CEO and chief designer Zhixu Jiang, it combines vintage warmth with precision. The amplifier uses EL34 tubes and is built with premium components such as audio transformers from Japan. The internal wiring is hand-soldered for optimal signal purity. The cabinet, crafted from high-quality steel and wood, offers both aesthetics and functionality. Production takes place at Cayin’s own facilities in China, with a strong focus on quality and sustainability.
Brand History
Cayin was founded in 1993 and is based in Zhuhai, China. The company manufactures audio equipment, including tube amplifiers, CD players and digital audio players. Cayin has a manufacturing facility where both design and manufacturing take place. In 2003, the company introduced the Spark series, aimed at the international market. Cayin has distributed its products worldwide through a network of dealers and distributors. The company has participated in international audio exhibitions and has received several awards for its products over the years.

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Questions & Answers

What is the power output of the CS-150A in the different modes?

55W + 55W (RMS) in Triode mode and 100W + 100W (RMS) in Ultralinear mode.

Which tubes are installed in the CS-150A, and what are they used for?

Tung-Sol KT150 tubes in the output stage, Tung-Sol 6SN7 tubes for the control and driver stages, and an RCA 22DE4 as a rectifier in the power supply.

How can sound be colored through negative feedback (NFB)?

The NFB switch on the front panel allows you to choose between high and low NFB levels, which makes the sound more analytical or more relaxed.

What does the TR/UL switch on the front panel do?

Switches between Triode mode (for a warmer, more harmonious sound) and Ultralinear mode (for more power, dynamics, and control).

How should the bias of the KT150 tubes be set?

Use the BIAS switch on the front panel to select either HIGH or STANDARD bias, and use the bias meter on top to ensure that the needle remains in the A zone.

How many inputs does the CS-150A have, and what types are they?

There are four inputs: one balanced XLR input, two unbalanced RCA line inputs, and a pair of PRE-IN RCA jacks for using it as a power amplifier.

What speaker impedances should be used?

Connect speakers with impedances of 4Ω or 8Ω to the corresponding speaker terminals for optimal performance.

How are the volume control and source selection controls configured?

Using the large volume knob and the input selector knob on the front panel, or with the included remote control, input selections such as XLR, Line1, Line2, and Pre-In are available.

What are the dimensions and weight of the CS-150A?

The dimensions are approximately 420 × 389 × 218 mm, and it weighs 34 kg.

What is the frequency response and distortion of the CS-150A?

The frequency response is 9 Hz to 50 kHz (-3 dB), with a total harmonic distortion (THD) of about 2% at 1 kHz.
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All about | Cayin CS-150A

Description: Freakuence! | Cayin CS-150A

For tube lovers only! The Cayin CS-150A grabs you by the throat with raw dynamics and energy, especially in ultralinear mode, where it cuts off with surprising sharpness. In triode mode, the warm tones soften slightly, with longer reverberation and a more intimate atmosphere without fading into dullness. It paints the soundstage—hearing is believing.

General description | Cayin CS-150A

The Cayin CS-150A is an integrated tube amplifier that lets you know right from the start that this is serious audio equipment. The Cayin CS-150A combines classic tube technology with impressive power, making it a robust power amplifier and preamplifier in one. The name Cayin CS-150A stands for refinement in dynamics: it brings out the details in your tracks without compromising stereo imaging or control over the soundstage.
The sound of the Cayin CS-150A is characterized by a warm, rich midrange, open and clear treble, and bass that combines power with finesse. In ultralinear mode, the sound gains more punch, while triode mode makes the sound softer with an elegant flow. Despite its tube-like character, the sound remains remarkably transparent, with fine texture in every layer and a level of resolution rarely heard in tube amplifiers. The stereo image is deep and spacious, instruments are well localized, and the detail in recordings stands out from the crowd.
Would you like to hear for yourself how the Cayin CS-150A can enhance your listening experience? Feel free to schedule a listening session in our listening room and experience the nuance and vibrancy for yourself. Or compare the Cayin CS-150A with other integrated amplifiers to discover which sound best suits your taste; we’d also be happy to discuss trade-in options with you.

Cayin CS-150A Specifications | Cayin CS-150A

Triode Power Output: 55W per channel Ultralinear Power Output: 100W per channel Frequency Response: 9 Hz to 50 kHz (-3 dB) THD: 2% at 1 kHz Signal-to-noise ratio: 90 dB Input sensitivity (built-in preamp): 380 mV Input sensitivity (Pre-IN): 1200 mV Input impedance: 100 kΩ Output impedance: 4 Ω and 8 Ω Maximum power consumption: 520 W Tube configuration: four 6SN7GTB, four KT150, one RCA 22DE4 Inputs: balanced XLR, LINE1, LINE2, PRE-IN Dimensions (W x D x H): 420 mm × 389 mm × 218 mm Net weight: 34 kg Operating temperature: 0 °C to 40 °C Operating humidity: 20% to 80% Storage temperature: -20 °C to 70 °C Storage humidity: 20% to 90%

Background Information | Cayin CS-150A

The Cayin CS-150A is a high-end tube amplifier designed using a blend of traditional and modern technologies. Developed by Cayin’s experienced engineering team, including CEO and chief designer Zhixu Jiang, it combines vintage warmth with precision. The amplifier uses EL34 tubes and is built with premium components such as audio transformers from Japan. The internal wiring is hand-soldered for optimal signal purity. The cabinet, crafted from high-quality steel and wood, offers both aesthetics and functionality. Production takes place at Cayin’s own facilities in China, with a strong focus on quality and sustainability.

Brand History | Cayin CS-150A

Cayin was founded in 1993 and is based in Zhuhai, China. The company manufactures audio equipment, including tube amplifiers, CD players and digital audio players. Cayin has a manufacturing facility where both design and manufacturing take place. In 2003, the company introduced the Spark series, aimed at the international market. Cayin has distributed its products worldwide through a network of dealers and distributors. The company has participated in international audio exhibitions and has received several awards for its products over the years.

Questions & Answers | Cayin CS-150A

What is the power output of the CS-150A in the different modes?


55W + 55W (RMS) in Triode mode and 100W + 100W (RMS) in Ultralinear mode.

Which tubes are installed in the CS-150A, and what are they used for?


Tung-Sol KT150 tubes in the output stage, Tung-Sol 6SN7 tubes for the control and driver stages, and an RCA 22DE4 as a rectifier in the power supply.

How can sound be colored through negative feedback (NFB)?


The NFB switch on the front panel allows you to choose between high and low NFB levels, which makes the sound more analytical or more relaxed.

What does the TR/UL switch on the front panel do?


Switches between Triode mode (for a warmer, more harmonious sound) and Ultralinear mode (for more power, dynamics, and control).

How should the bias of the KT150 tubes be set?


Use the BIAS switch on the front panel to select either HIGH or STANDARD bias, and use the bias meter on top to ensure that the needle remains in the A zone.

How many inputs does the CS-150A have, and what types are they?


There are four inputs: one balanced XLR input, two unbalanced RCA line inputs, and a pair of PRE-IN RCA jacks for using it as a power amplifier.

What speaker impedances should be used?


Connect speakers with impedances of 4Ω or 8Ω to the corresponding speaker terminals for optimal performance.

How are the volume control and source selection controls configured?


Using the large volume knob and the input selector knob on the front panel, or with the included remote control, input selections such as XLR, Line1, Line2, and Pre-In are available.

What are the dimensions and weight of the CS-150A?


The dimensions are approximately 420 × 389 × 218 mm, and it weighs 34 kg.

What is the frequency response and distortion of the CS-150A?


The frequency response is 9 Hz to 50 kHz (-3 dB), with a total harmonic distortion (THD) of about 2% at 1 kHz.

Reviews & awards | Cayin CS-150A

Stereo.de (Test Results, 2020):

The Cayin CS-150A is praised as a “textbook-perfect tube amplifier,” clearly crafted with high-quality components. Its open, airy, and musical sound is emphasized, especially in triode mode, where it displays a truly audiophile character.

Le Figaro (Adrien Léger, February 2026):

The CS-150A KT150 dispels existing preconceptions about tube amplifiers with its powerful, robust, and spectacular performance, featuring both triode mode (warm and organic) and ultralinear mode (more drive and control in the low end).

LowBeats.de (Thomas Günther, December 2020):

The amplifier delivers impressive performance in the low, mid, and low-frequency ranges: quick response to bass drums, stability with loud, low-frequency electronic music, and it remains clear despite its high output. However, manually adjusting the bias is considered less convenient, especially during listening sessions when the amplifier needs time to warm up.

HiFi Stars (Markus Leibl, 2020):

The CS-150A combines modern and powerful tube technology with excellent build quality. The connectivity options are modest but practically sufficient. Sonically, it offers atmosphere, color, and air—typical tube-like characteristics—but also wide-bandwidth performance and unusual power for a tube amplifier.

Hifitest.de (online edition, reference level):

This review praises the technical finesse of the CS-150A: an electrical design featuring point-to-point wiring, high-quality transformers, and the ability to switch between triode and ultralinear modes. Its performance is benchmark-worthy, with “exzellenter Klang,” a rich sound, and high output.

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The Compact Disc (CD), like most inventions, did not appear out of thin air. After the invention of the laser in 1958, the first patent for optically readable disks was filed in 1961. The first digital video records were introduced in 1972. After a flop by Philips, the manufacturer, together with Sony, released the first CD in 1979. We do not know what it contained, but in 1982 the first CD was released for the market, it was the album Visitors by ABBA. In this year the first player became available and so began the elimination of the LP from the market. Many have literally thrown their LPs in the trash… we still see some visitors being disappointed when they tell us this. Velen hebben hun lp’s letterlijk bij het vuil gezet… sommige bezoekers zien wij nog steeds balen als ze dit vertellen.

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CD

The Compact Disc (CD), like most inventions, did not appear out of thin air. After the invention of the laser in 1958, the first patent for optically readable disks was filed in 1961. The first digital video records were introduced in 1972. After a flop by Philips, the manufacturer, together with Sony, released the first CD in 1979. We do not know what it contained, but in 1982 the first CD was released for the market, it was the album Visitors by ABBA. In this year the first player became available and so began the elimination of the LP from the market. Many have literally thrown their LPs in the trash… we still see some visitors being disappointed when they tell us this. Velen hebben hun lp’s letterlijk bij het vuil gezet… sommige bezoekers zien wij nog steeds balen als ze dit vertellen.
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