Nobsound Little Bear B5 MIni Portable Dual 6418 Vacuum Tube Headphone Amplifier Audio HiFi Amp

Nobsound Little Bear B5 MIni Portable Dual 6418 Vacuum Tube Headphone Amplifier Audio HiFi Amp looks good in design, features and function. The best function of this product is really simple to clean and control. The design and layout are very fantastic that make it really appealing and beauty. Many individuals feel attracted to purchase and utilize it. Every feature is developed to fulfill people require as its function too. It is stunning and ideal product for simple setup, upkeep, and control device.

Asin	:	B07F8TRZ57
Category	:	Electronics
Color	:
Brand	:	Douk Audio
Sales Rank	:

Features Nobsound Little Bear B5 MIni Portable Dual 6418 Vacuum Tube Headphone Amplifier Audio HiFi Amp

B5 is a portable vacuum tube headphone amplifier with built-in battery. You can bring it everywhere.

Differences between Little Bear B4 and B5: B5 is thinner and uses 5899 tubes; B5 can drive 16~100Ω headphones while B4 can drive 16~200Ω; The microphone effect of B5 is more severe than B4; the OP AMP of B5 can't be replaced while B4 can; B5 is more durable

For satefy reason, the device can't work while charging. Charging time: 2~2.5h; Working time: 6~8 h; The indicator will turn to green when charging process is finished.

Honestly, the product is extremely smart function, healthy and safety for users. Nobsound Little Bear B5 MIni Portable Dual 6418 Vacuum Tube Headphone Amplifier Audio HiFi Amp is very helpful to finish all user requires. The design is very light, appealing and elegant one. With the newest innovation, this product can meet all individuals expectation with fantastic function and function. It is easy to buy from the dedicated vendor. Individuals can get and acquire it online on the web by this site. The vendor is very useful to serve and send out the product on time shipment. It is extremely exceptional service for the top quality product. The one characteristic to consider about this product that there is no one felt trouble and dissatisfied with it. It works perfectly as the ads said previously.

Descriptions Nobsound Little Bear B5 MIni Portable Dual 6418 Vacuum Tube Headphone Amplifier Audio HiFi Amp

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Package Includes:
1 * B5 main amplifier
1 * 3.5 to 3.5 cable
2 * bands
1 * charger

Performance Parameters:
Frequency response range：0-100K-0.1dB
Gold-plated input/output socket
PT2308 OP chip
Original nichicon electrolytic capacitor
TOP HiFi Original DALE resistors.
Precision rings resistance.
Battery: Lithium batteries, voltage:12V, 1000mA
Charging time: 2-2.5 hours to charging full the battery
Working time: 5~8 hours
Output power：80mW
SNR：99dB
Suggest load impedance ：16-100Ω
Size：115*60*13 mm (L*W*D)

Reference data for 6418:
(A type Amplified state):
Heater voltage:1.25V Heater current:10mA
Anode Voltage: 60 Cathode resistor: 220 Ω
power amplification factor:20
Anode essential resistance:4000Ω
Transconductance:5000um/s Anode circuit:8.5mA
Grid voltage:-9V

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