211 SET monoblock amplifier

Specifications:

(Simple test conditions)

Output power: 18W

Harmonic distortion: 1% (1kHz)

Frequency response: 20Hz (-2.5dB) ~20kHz (-1.8dB)

Input sensitivity: 200mV

Input impedance: 100KΩ

Output impedance: 4Ω 8Ω 16Ω

Noise: <1mV

Signal-to-noise ratio: 92dB

Net weight: 42kg

Total power consumption: 200W

Use vacuum tubes: 211×1, 12AU7×1, EL84×1, 5U4G×1, 6AX4×2

Overall volume: (W×D×H): 600 x 400 x 400mm

Power supply voltage: ~120V±5% (60Hz)

Working conditions: temperature: 0℃~40℃, humidity: 20%~80%

Storage conditions: temperature: -20℃~70℃, humidity: 20%~90%

Features:

1. Point-to-point wired, handmade DHT amplifier.

2. High-voltage rectifier tube.

3. High-voltage power supply.

4. Filament power supply with dedicated transformer.

5. Low impedance, high quality, high-voltage power supply without electrolytic capacitors.

6. Two EI type single-ended output transformers that use high-end special technology.

7. Japanese ALPS high-end potentiometer.

8. Fine adjustment bias control for the 211 power tubes.