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This product designed by Douk Audio and Boyuu in 2017 is a full set of pure vacuum tube amplifier DIY Kit, which needs to be assembled by yourself. It is very suitable for audiophiles enjoying DIY. If you want a finished product, please search ASIN: B0757LZX31.
Power Transformer -- Adopting neat and beautiful impoted 0.35mm iron core with multiple composite vacuum impregnation technology. Adopting 96-60 large iron core with 200W rated power and imported 0.35mm high magnetic flux silicon steel sheets. Using high-quality oxygen-free enameled wires with multiple-laying and intensive-wiring technique, which ensure its very low no-load current characteristics as well as no vibration and noise.
Output Transformer -- Using high-quality plate and stretched transformer cover. Adopting multiple-part intensive-wiring technique and using JAPAN ultra-thin pure wood insulating paper. Adopting classic input in series and output in parallel design, which can add high-inductance and low-leakage characteristics.
Power Circuit -- Using double high-voltage full-wave rectifier vacuum tubes 315V+315V, impoted power inductance iron core, type power filtering capacitances and imported Philips / Japan RUBY power filtering capacitances. Adopting imported audiophile capacitances to filter the signal. Using Dutch Philips Premium audio capacitances as its coupling capacitances, which can ensure its clear and emotional sound output.
Amplifying Circuit -- Improving based on classic JAPAN SUN circuit design. Each channel adopts two parallel common-cathode triodes, which ensures its high output vlotage and large driving current. Its sound output is full of emotions especially on treble part; Metal Chassis -- Adopting perfect offset type design without any screws on the shell.

Description

Shipping date:

This item will be shipped by UPS from China, which usually take 4~7 days to arrive.

Parameters:

• Type: Single-Ended Class A
• Input Voltage: 110V-120V / 50-60Hz
• Output Power: 12W* 2 (ultra-linear connection)
• Frequency Response: 20Hz - 28KHz
• Output impedance: 4,8
• SNR: 88dB
• Total Harmonic Distortion: 1% (1kHz)
• Input Sensitivity: 750MV
• Input impedance: 100K (two input signals)
• Audio input: 2 Stereo L/R RCA
• Audio output: 1 Banana Speaker Jacks
• Dimensions(W D H): 310 268 165mm
• Weight: About 11Kg(You can see the quality from its heavy weight)

Package includes:

• 1 full set of amp kit
• 1 power cord