Cayin HA-2A

1520 €

The new HA-2A from Cayin sets new standards in audio performance as a balanced tube headphone amplifier with selected NOS tubes. This masterpiece combines the unique warmth and smoothness of vintage NOS vacuum tubes with cutting-edge technology to deliver stunningly detailed sound with a wide soundstage and excellent musicality.

The HA-2A fits seamlessly into the Cayin i-8 components and enables optical integration with the iDAP-8 Digital Streamer and the iDAC-8 DAC to form a compact desktop system. Despite its compact dimensions and a weight of only 10 kg, the HA-2A offers exceptional audio performance and harmonious aesthetics. With extensive metal finishing and resin sealing, the amplifier remains in first-class condition even after intensive use. A switch-on delay circuit minimizes clicking noises during activation and ensures that the tubes are optimally warmed up before music playback begins.

The HA-2A is an unbeatable combination of price, performance and craftsmanship for extremely rich, musical listening pleasure.

Precisely Crafted Amplifier with Vintage Vacuum Tubes

A carefully engineered circuit with (x5) vintage NOS vacuum tubes, CA-2A sounds stunning. Expect rich detail, a wide soundstage, and effortless musicality along with the unique mellow timbre and warmth of vintage NOS tubes.

Matched pair of Amperex 17BF11 NOS dual pentode composite tubes for SE Class A power amplification

Matched pair of Amperex ECF82/6U8 NOS high-gain pentode / medium-gain triode composite tubes for voltage amplification

Single RCA 17AX4GT NOS rectifier tube for pre-amp stage plate power supply

Specialized Single-Ended Class A Tuning

Cayin's engineers created a single-ended Class A design to take full advantage of the characteristics of each vintage tube. In every step of the design, component selection, and final wiring, preserving the character of the tubes was carefully considered.

Key Features

Impedance Matched Headphone Output: choose from Low, Medium, or High impedance to match your headphones

Optimized Headphone Outputs: the 4-pin XLR will provide the maximum power while the 4.4mm output allows for compatibility with high-end IEMs and more sensitive options.

60 Second Startup Delay Circuit: Protects your tubes and minimizes noise related to the warm up cycle of the amplifier

Reference Grade Point-to-Point Wiring: Cayin vacuum tubes are point-to-point wired to ensure the shortest signal path. The entire circuitry is hand-wired by skilled, attentive to detail craftsmen using premium components.

Exquisite, Refined Aesthetics: seamlessly integrates with the Cayin portfolio and features dual retro VU meters, Vacuum Tube protection cage, and premium chassis finish with uniform color and fine contours.

Incredible Craftsmanship and In-house design

The entire circuit is hand wired using point to point wiring, rather than a circuit board. Point to point, shortens the signal path and improves the efficiency and conductivity. Cayin also uses power transformers, designed and wound in house, to ensure that the shielding and output is up to their standards.

SPECIFICATIONS

Amplifier topology	Single-ended Class A
Construction	Point-to-point hand wiring
Inputs	2 × RCA, 2 × XLR
Headphone outputs	6.35 mm SE, 4.4 mm Balanced, 4-pin XLR Balanced
Output impedance settings	Low (8–64 Ω), Medium (65–250 Ω), High (251–600 Ω)
Frequency response	20 Hz – 50 kHz (±3 dB)
THD	0.2% (1 kHz, 100 mW)
Signal-to-noise ratio	100 dB (A-weighted)
Input sensitivity	450 mV – 600 mV
Output power (4-pin XLR Balanced)	800 mW (Low), 900 mW (Medium), 1000 mW (High)
Output power (4.4 mm Balanced)	200 mW (Low), 300 mW (Medium), 270 mW (High)
Output power (6.35 mm Single-Ended)	330 mW (Low), 550 mW (Medium), 750 mW (High)
Output tubes	2 × Amperex 17BF11
Driver tubes	2 × Amperex ECF82 / 6U8
Rectifier tube	1 × RCA 17AX4GT
Power consumption	60 W
Operating temperature	0°C – 40°C
Humidity range	20% – 80%
Dimensions (W × D × H)	270 × 215 × 143 mm
Weight	10 kg