Description
Full Stereophile Review : Cayin A-300B Mk2
Please note that all ‘Type UK’ Cayin Amplifiers are built specifically for the 230/240v power grid in the UK.
Introducing the new Cayin A-300B MK2 300B Class A single-ended tube Integrated amplifier and Power amplifier.
The Cayin A-300B MK2 is an integrated Amplifier, and has the ability to act as a Power Amplifier as well – a simple toggle switch allows you to set the appropriate configuration.
Cayin have brought to market the most beautiful sounding 300B integrated – immense air and space mated to an incredibly sweeping and fluid soundstage, brings an uncanny three dimensional sound to your living room.
The implementation of an entirely bespoke transformer has allowed the A-300B MK2 to also offer unprecedented levels of bass depth and control, which at last allows fans of the 300B sound to enjoy ‘never before’ levels of gorgeous tonal balance in all frequency registers – to say that this amplifier is addictive would be an understatement…
FEATURES
- Hand matched electronic tubes
- 4 ohm, 8 ohm and 16 ohm Transformer Taps.
- Hand-made at Cayin’s dedicated engineering facility.
- Point-to-point wiring, hand-made with the highest purity silver solder.
- Two extremely high quality wide frequency response EI output transformers .
- Uses a bespoke toroidal power transformer specially developed for this amplifier – hand wound.
- High voltage rectification using two Russian SOVTEK 5AR4 vacuum tubes
- Voltage amplification stage uses hand matched 6SL7 x 2pcs
- Hand matched 6SN7 x 2pcs are used for the driver stage.
- Power amplification stage uses 300B x 2pcs vacuum tubes as single-ended pure Class A power amplification. (Please note that Shuguang 300B-Z valves are available as a factory option)
- External 300B Hum BALANCE function, a fantastic feature to fully allow you to ‘dial in’ your perfect set-up.
- External independent BIAS ADJ. to adjust the bias and a beautiful BIAS meter for easy and simple adjustment of the power valves.
- Negative Feedback adjustment to 0 or -3db gives further control of the tonal character.
- Infrared full-function remote control.
TECHNICAL DATA
| Frequency range | 10 Hz – 32 kHz (-3 dB) |
| Total harmonic distortion (THD) | 1% (1kHz) |
| Signal to noise ratio | 86 dB |
| Input impedance | 100 k |
| Tubes | 6SL7×2, 6SN7×2, 5AR4×2, FULL MUSIC 300B |
| Output power (RMS) | 10 watts + 10 watts |
| Circuit | Class A, Single Ended |
| Dimensions W x H x D | 420mm × 382mm × 195mm (W × D × H) |
| Weight | 26kg |
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