Using vacuum tube to receive the FM signal which has a strong sense of nostalgia, the sound is more sweet and mellow. Using potentiometer and varactor diode tuning, the digital tube displays the receiving frequency, using 6E2 to display the received signal strength, increasing visibility and viewing. DAC / Audio Decoder. Digital Interface / Sound Card. AV Tube Integrated Amplifier. PSU / Power Supply. Audio HiFi & DIY. Tube Amplifier DIY Kit. 3.5 Line Out Cable. Vintage Vacuum Valve Tube FM Radio Tuner Wireless Stereo Audio Receiver Preamp. Not include Antenna, you need to prepare it by yourself. Superheterodyne radio adopts a whole circuit board design, including high frequency receiving, intermediate frequency amplification, amplitude limiting, frequency discrimination, stereo decoding, preamplifier and other circuits. The output stereo signal can be matched with various tubes. Power amplifiers, active speakers, stereo equalization amplifiers and more. The high frequency receiving adopts double triode 6N3 for high frequency amplification and mixer amplification, and the double triode 6N1 makes oscillation. The intermediate frequency amplification uses two-stage pentode 6K4, and the two-stage amplitude limiting uses a pentode 6J4. Phase frequency discrimination, stereo decoding uses TA7343, the decoded audio signal is switched by the switch to the double triode 6N2 for 5 times preamplification, and then the audio signal is output. Exquisite appearance design, high receiving sensitivity. The panel and the knob is CNC-processed and oxidized, and the outer casing is made of stainless steel bent and welded, which brings different high-end texture. The whole circuit board is made of 2mm thick PCB, which increases the mechanical strength and not easy to damage. The mesh cover design can prevent children from accidentally touching burns and electric shock. Shell Material: aluminum alloy + stainless steel. 110V(115V) /220V(230V). Total Consumed Power: about 100W. Receiving Frequency Range: FM 87-108MHz. Number of Channels: 2. Dimensions: (L)372mm(W)275mm(H)155mm. Net Weight: 5.2kg. Package Weight: 6.0kg. 1 Vacuum Tube FM Radio/ DIY Full Set. Please leave VALID TELEPHONE NUMBER which is necessary and very important. For package less than 2KG, we use. (10-25 days to most countries). And for package over than 2KG we use. (5-8 days to most countries). Free Return Within 30 Days. We provide return within 30 days. Is provided for all items. Man-made damage or misuse. Audio accessories and consumables such as vacuum tubes. If you are satisfied with our products and service please leave a 5-star. Feedback, we will provide better solutions until you are satisfied. Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including. Douk Audio / Nobsound / Little Bear. As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable. We will spare no efforts to bring great products and service for. Improve our customers’ listening experience. During holiday, please allow us to response you early next week. Please don’t leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation. The item “Vintage Vacuum Valve Tube FM Radio Tuner Wireless Stereo Audio Receiver Preamp” is in sale since Sunday, February 21, 2021. This item is in the category “Consumer Electronics\TV, Video & Home Audio\Home Audio\Receivers & Amplifiers\Amplifiers & Preamps”. The seller is “doukmall” and is located in shenzhen. This item can be shipped worldwide.
- Brand: Douk Audio
- MPN: GFJ718
- Type: Tube Pre-Amp
- Audio Inputs: Stereo L/R RCA
- Number of Channels: 2
- Number of Digital RCA Inputs: 1
- Number of L/R RCA Inputs: 1
- Audio Outputs: Stereo L/R RCA
- Color: Black & Silver
- Features: Active Amplification
- Model: 718
