Little Bear B4 Portable Vacuum&Valve Tube Headphone Amplifier Stereo Hi-Fi Amp built-in battery

Performance parameters: Frequency response range: 0-100K-0.1dB Gold-plated input / output socket NE5532 OP chip (you can upgrade it to a other better brand OP chip. Like BB or…

PSVANE TS66 EL34*4 Integrated Push-pull Vacumn Tube Amplifier, USB/CD Mde Aailable

Specification: Tube : 12AX7 *2 , 12AU7*2 , EL34-B*4 Input impedance:100KΩ Input sensitivity:≤800mV Output power:2×25W Output impedance:4、8Ω Frequency response:15Hz-60KHz THD:1% Signal to noise ratio:88dB Power supply:AC 110V 50/60Hz…

Pyle P2203ABTU Hybrid Home Theater Audio Component Amplifier, Black

Pyle Bluetooth Hybrid pre-amplifier, home theater stereo amp receiver, USB/SD/Mp3/aux/AM/FM, 2000Sale Price:$140.00Read More[amazon-product-reviews]

Nobsound NS-01E Mini Tube Headphone Amplifier Stereo HiFi Amp Audio Preamp (Purple)

Specifications: Output power: ≥1100mW (32ohm) Adapter Headphone Impedance: 18-600ohm Total harmonicSale Price:$50.00Read More[amazon-product-reviews]

APPJ 1601A Wifi mini Decoder+tube amplifier, AUX/Smart Phone/SD Card/PC/Flash Disk Input (Black)

Small size and light weight It is about 5.5 pouds and 5.1inch(w) *3.9inch(d) *6.1inch(h). Won’t take up too much spaces and it has separate power supply, better music…

Nobsound Raphaelite Cs30 300b Single-ended Hifi Tube Amplifier 7w×2 Diy Kit a Full Suit

Features: 1.Two permalloy pre-transformer do first-class amplification, the input transformer amplifier gain can control,low distortion, without feedback line 2.Two China Shuguang 6J8P do the second stage amplification 3.Two…

Dared I30 HIFI Audiophiles Professional Class A Vacuum Tube Integrated Amplifier USB-DAC/LINE input and Headphone Output,30W*2,with 6L6G(5881),12AX7(ECC83),12AU7(ECC82) Tube

Dared I-30 also called I-30HD,it is well-known world-amp, all tube integrated amp output 2x30watts,We are DARED brand authorized seller! World first and only valve (tube) amp with DAC…

Linear Tube Audio ZOTL40 MK.II Stereo Amplifier Reviewed

Disagree with our product rating? Email us and tell us why you think this product should receive a higher rating. After my amazing experience reviewing the MicroZOTL2.0 preamplifier…

Professional Hi-Fi 15W Tube Amplifier circuit

First let`s go through the amplifier circuit itself. I`ve decided to go with a completely different topology this time, suitable for Hi-Fi. The first stage is a Pentode…

Linear Tube Audio MicroZOTL2.0 Tube Headphone Amp Review

Amplifier class: Push-pull Class A, no feedback Sensitivity: 0.6V RMS [full output] Output impedance: (measured @ 0.5A, 60 Hz) 2 ohms Input impedance: 50k Power Supply Input: Auto-switching…