A-5000 DHT 
300B SINGLE-ENDED PURE DIRECT HEATED TRIODE MONOBLOCK AMPLIFIERS

Well known and well regarded 300B SET monoblock amplifier. The price includes the 300B marched pair that came with the monoblocks, but also a matched pair of Takatsuki 300B tubes with about 75 hrs on them. They alone retail new for about $2000 and in my opinion transform these monoblocks to Class A performance. The last three photos note a few faint scratches on top of the amplifier and a slight crack on a speaker binding post cover.

From the Allnic website:

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A new paradigm on the original foundation of audio reproduction – the direct heated triode (DHT). The Allnic A-5000DHT monoblock amplifier has only DHT vacuum tubes in the signal path. What does pure DHT mean for a power amplifier? Silent backgrounds; unmatched clarity, detail, speed, decay and harmonic resolution, immersive and layered sound-staging with incredible air around instruments and voices, “you are there” sound-staging, clarity and presence, accurate natural tone and timbre. Wattage means little, the A-5000 DHT produces unbelievable drive from a single 300B. Simply, like all the 5000 series products, the Allnic A-5000DHT will produce as much faithfulness to the source as the rest of your system can provide.

• 10 watts of high power output
• Direct wired, no circuit boards
• Sophisticated ratio, mixed nickel Permalloy PB cored output transformers
• Analogue power tube current monitoring meters
• Exceptionally easy bias controls
• Soft-start Circuitry"