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RFTLYS EA1A EL34 tube Kopfhörerverstärker & HiFi-Vollverstärker mit Bluetooth

RFTLYS EA1A EL34 tube Kopfhörerverstärker & HiFi-Vollverstärker mit Bluetooth
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Product Price: $385.99 USD
Product Model: RFTLYS EA1A
Shipping Weight: 12 Kg

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Product Declaration

RFTLYS EA1A EL34 tube Headphone Amplifier & HiFi Integrated Amp with Bluetooth

Technical Parameters:
  • Output power: 8W+8W (RMS 8Ω ;)

  • Power consumption: 120W

  • Frequency response: l8Hz-40KHz

  • Total harmonic distortion: ≤l.2% (lKHz)

  • Input sensitivity: 290mV

  • Input impedance: 100 kohms

  • Output Impedance: 4 ohms, 8 ohms

  • Headphone output impedance: 32-300 ohms

  • Signal to noise ratio: ≥85dB(A weight)

  • Power supply: 100V - 240V 60Hz/50Hz

  • Vacuum tube: EL34x2, 6N1x2, 12AX7x1

  • Voltage:110v-120v or 220v-240v

  • Dimensions: 210 x 156 x 343 (mm)

  • Net weight: 7.5kg

Features:
Input stage design :
  • The input voltage amplification stage is served by an amplifying triode electron tube, and a two-stage common cathode resistance RC coupling amplifier is combined. The two-stage voltage gain can reach more than 40dB before the negative feedback is added, and can greatly increase the input audio signal amplitude

  • At the same time, inter-stage negative feedback is set between the input tube cathode and the power amplifier output.

Power amplifier stage design :
  • The amplifier supports Bluetooth input and can be easily paired with Android, iPhone, iPad, Tablet PC and other devices.

  • The power amplifier stage is composed of a standard class Class AB1 power amplifier circuit. The power amplifier tube to screen load impedance is 6 kohms, and the plate voltage is 375V.

  • Using only the gate negative bias mode, the zero-signal push-pull two-plate electrode power is 85mA, and the large screen current increases to 150mA. Rated output power is l6W, high power can reach 22W.

  • Independent Bluetooth antenna

  • 4.0 Bluetooth HiFi Module

  • Support headphones to switch output, is a tube headphone amp


Bluetooth tube amplifier features:
  • Pure bile, pure hand-made, the whole machine adopts scaffolding welding.

  • Use two high quality wide frequency response EI output transformers.

  • Use an EI-type high-quality audio-dedicated power transformer developed specifically for this purpose.

  • In the previous stage, two 6N1 vacuum tubes and one 12AX7 vacuum tube were used.

  • Two EL34 vacuum tubes were used as AB1 push-pull power amplification in the later stage.

  • With headphone output function. Directly connected to headphones

  • Select Japan ALPS high-end potentiometer.

  • Easy to install plug-in vacuum tube protective cover.

RFTLYS EA1A EL34 tube Headphone Amplifier & HiFi Integrated Amp with Bluetooth

RFTLYS EA1A EL34 tube Headphone Amplifier & HiFi Integrated Amp with BluetoothRFTLYS EA1A EL34 tube Headphone Amplifier & HiFi Integrated Amp with BluetoothRFTLYS EA1A EL34 tube Headphone Amplifier & HiFi Integrated Amp with BluetoothRFTLYS EA1A EL34 tube Headphone Amplifier & HiFi Integrated Amp with BluetoothRFTLYS EA1A EL34 tube Headphone Amplifier & HiFi Integrated Amp with BluetoothRFTLYS EA1A EL34 tube Headphone Amplifier & HiFi Integrated Amp with BluetoothRFTLYS EA1A EL34 tube Headphone Amplifier & HiFi Integrated Amp with BluetoothRFTLYS EA1A EL34 tube Headphone Amplifier & HiFi Integrated Amp with Bluetooth
Prefect work with RFTLYS others equipments(other equipment is not includ):
RFTLYS EA1A EL34 tube Headphone Amplifier & HiFi Integrated Amp with BluetoothRFTLYS EA1A EL34 tube Headphone Amplifier & HiFi Integrated Amp with Bluetooth
RFTLYS EA1A EL34 tube Headphone Amplifier & HiFi Integrated Amp with BluetoothRFTLYS EA1A EL34 tube Headphone Amplifier & HiFi Integrated Amp with Bluetooth