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Cayin A-300B
Cayin A-300B - Image 1 of 0
Cayin A-300B - Image 2 of 0
Cayin A-300B - Image 1 of 0
Cayin A-300B - Image 2 of 0
Cayin A-300B - Image 1 of 0
Cayin A-300B - Image 2 of 0

Cayin A-300B

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Product Code: CAY0001002

Finally, a chance to enjoy the legendary sound of 300B tubes without spending a fortune. Two 300Bs are used for Class A push-pull amplification, while two 6SL7s and two 6SN7s are used for the preamplifier. One SOVTEK 5AR4 is used for rectification. The toroid power transformer and EI audio transformer are specially manufactured for low magnetic leakage, wide frequency response and low impedance. Like with every Cayin piece, this integrated amp is all hand-made and features an all-tube design and includes a remote control.

This piece was hand-built with extreme attention to detail, including point-to-point wiring. Point-to-point was the way that amps used to be wired back in the 1950s and '60s when cost was not the primary objective. Nowadays, most everything contains circuit boards instead of this point-to-point wiring, which is much more dependable and better performing. The bottom line is that point-to-point wiring sounds better. It's one of the main reasons why these Cayin pieces sound like the classic tube gear from Marantz and McIntosh. Anymore, products that feature point-to-point wiring cost a fortune, or they feature sub-par workmanship. You simply are not going to find craftsmanship like with this Cayin gear for anywhere close to this price.

There are output taps for 4, 8 or 16 ohms. This allows you to fine-tune the sound that you desire. Switching is simple, and listening to the differences is a lot of fun.

There is a removable cage, included at no extra charge. The cage snaps into place simply, so that you can take it on and off with no problem. Keep it on if you're worried about protecting your tubes, or take it off to show what real, heavy-duty, classic tube gear looks like. Turn off the lights and watch 'em glow.

Inputs (Gold Plated)

(4) pair RCA fixed level inputs

(1) pair RCA for Pre In

Power Output (8 Ohm)

2 x 8 wpc

Remote Control

Full function including Triode and Ultralinear Mode.Also Preamp Bypass for using A-300B as a power amp

Power Cord

Detachable power cord with IEC chassis mount receptacle

Tube Compliment

(2) 300B

(2) 6SL7

(2) 6SN7


Frequency Response



2.0% (1W, 1 kHz)

S/N Ratio


Input sensitivity

280mv, 600mV (Pre-in)

Input impedance

100kOhm (RCA)

Output impedance (WBT Style)

4, 8, 16 Ohm

Power requirement

AC 120V +/- 5%, 50~60Hz

Power consumption



55 pounds

Dimensions (WxDxH)

16.8" x 15.2" x 8"


90 day guarantee for the tubes, 3 year parts & labor (shipping not included)

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