Oldchen 6CA7 Tube Amplifier Bluetooth 5U4G 6SN7GT EL34 Amp USB Lossless

Oldchen Classic 6CA7/EL34 Single-Ended Class A Tube Amplifier

With a legacy of nearly 20 years in the HiFi industry, Oldchen (老陈) presents this classic single-ended Class A tube amplifier audio system. This set is designed for audiophiles seeking the unique charm and warm, musical sound of vacuum tubes. The amplifier is meticulously hand-soldered using point-to-point wiring and features modern conveniences like lossless USB and Bluetooth playback.

Key Features at a Glance:

• ▶ Classic Single-Ended Class A Circuit: Delivers the rich harmonics and lush, full-bodied sound signature that this beloved amplifier topology is famous for.

• ▶ Premium "Voice of Nobility" Tube Complement: Uses a precisely matched set of 5 brand new, in-production "PSVANE" brand tubes:

  • Rectifier: 1x 5U4G (a replica of the classic US military-spec tube)

  • Power Tubes: 2x 6CA7 (Export Model of EL34)

  • Preamp Tubes: 2x 6SN7GT

• ▶ Lossless USB & Bluetooth Playback: Equipped with a built-in USB port and a high-quality Bluetooth module, allowing you to easily play digital music files.

Amplifier Specifications:

• Amplifier Model: 6CA7 (EL34)

• Craftsmanship: Hand-wired, point-to-point soldering

• Type: Single-ended Class A Tube Amplifier

• Rated Output Power: 10W * 2 (RMS 8Ω)

• Frequency Response: 20Hz - 25kHz (-1dB)

• Total Harmonic Distortion (THD): < 1% (at 1kHz)

• Input Sensitivity: 500mV - 2000mV

• Input Impedance: 100kΩ

• Output Impedance: 4Ω - 8Ω

• Signal-to-Noise Ratio (SNR): 89dB

• Dimensions (W x D x H): 360 x 270 x 235 mm (including tube cage)

Optional L6 Speaker Specifications:

• Power Consumption (Amplifier): 105W

• Speaker Model: L6

• Impedance: 8Ω

• Sensitivity: 93dB

• Power Handling: 50-100W

• Frequency Response: 45Hz - 23kHz