Nobsound NS-08E User Manual

Warm Tips
1. This is tube headphone amplifier that can greatly improve the sound quality for
headphones, but also can be used as tube preamp, its 3.5mm headphone jack
also can connect amplifier or active speakers.
2. Default 6J3 vacuum tubes, also can be directly replaced by the following models
6J1, 6ж1П, 6AK5, 6BC5, 403A/B, 5654, EF95, CV850, 6J2, 6ж2П, 6AS6, CV2522,
CV4011, 6J3, 6ж3П, EF94, CV848、6BC6, 6AG5, 6J4, 6ж4, 6136, 6BX6, 6AC7,
6AU6, 6J5, 6ж5П, CV2521, 6F36, 6AH6, 6AN5, 6K4, EF93, 6K5, 6K4П, 6BA6,
6DA6, 5749.
How to Use
1. Connect audio source such as phone, MP3, TV, tablet, computer, CD player etc.
to 3.5mm AUX input of NS-08E, and connect headphone or power amplifier or
active speaker to its 3.5mm output. Recommend high-quality 3.5mm cable.
2. Connect power adapter to NS-08E and then connect power adapter to the socket.
3. Press the red button on the back panel to power it on and warm up for a while.
4. Play music on your audio device, and rotate the volume control to adjust the
volume until perfect and enjoy HiFi music.
Parameters
Audio input: 3.5mm AUX
Audio output: 3.5mm headphone jack
Max output power: ≥1100 mW (32 ohm)
Matched Headphone impedance: 18-600 ohm
Frequency Response: 20Hz - 30KHz
THD: <0.005%
SNR: ≥110 dB
Power supply: DC 6V /2A
Nobsound
NS-08E Mini Tube Headphone Amplifier
User Manual