https://sovietunionussr.com Wed, 15 Apr 2026 01:04:45 +0000 en-US hourly 1 https://wordpress.org/?v=4.1.1 https://sovietunionussr.com/hifi-6h8c-cv181-vacuum-tube-preamp-stereo-home-audio-preamplifier-tone-control/ https://sovietunionussr.com/hifi-6h8c-cv181-vacuum-tube-preamp-stereo-home-audio-preamplifier-tone-control/#comments Sat, 27 Mar 2021 09:16:18 +0000 http://sovietunionussr.com/hifi-6h8c-cv181-vacuum-tube-preamp-stereo-home-audio-preamplifier-tone-control/










The design of this tube preamp is concise and durable with strong styles, reasonable layout and simple circuit makes the sound is clean, clear and natural. The noise is ultra-low (0.08mV and 0.7mV when in the minimum / maximum volume), its SNR can reach 95DB and distortion is only 0.15%. 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. HiFi 6H8C / CV181 Vacuum Tube Preamp Stereo Home Audio Preamplifier Tone Control. Many high-quality components are used to ensure excellent ideal performance and long time stable work: el pure copper transformer, 10H inductance, elc filter, tube rectifier linear regulated, rel coupling capacitors, WIMA capacitors, high precision metal film resistors, and Rubycon electrolysis capacitors, 5PCS pure copper gold-plated fine steel ceramic tube socket, Omron relay and so on. A bypass switch is specially designed to turn on/off the tone control, as a tube preamp, it is more convenient to enjoy original HiFi sound or obtain more delicate sound with treble and bass control knob, adding much fun and higher playability. The details of music is much clearer and more listenable even in low volume, this preamp can enhance the resolution of high frequency, the power of low frequency and whole dynamic range no matter matched with tube amplifier or solid state power amplifier. The rectifier tube adopts directly-heated Nanjing 5Z2P, and the preamp tube adopts Soviet Union 6H8C or customized PSVANE CV18-SE (optional), the tube sound is sweet and warm, full and mellow, with strong classic sense. HiFi sound and exquisite appreance with dual VU meter design, providing both auditory and visual enjoyments. The pluggable tube socket makes it easy to change different tubes and enjoy sound of different styles, very suitable for home audio system use. Audio input: 4 groups of stereo L/R RCA. Audio output: 2 groups of stereo L/R RCA. Preamp tube: Soviet Union 6H8C / PSVANE CV181 (optional). Working voltage: AC 115V (110-120V) / AC 230V(220-240V). 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 “HiFi 6H8C / CV181 Vacuum Tube Preamp Stereo Home Audio Preamplifier Tone Control” is in sale since Sunday, April 26, 2020. 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
• Type: Tube Preamp
• Number of Channels: 2
• Model: C1
• MPN: DJ516
• Audio Inputs: Stereo L/R RCA
• Number of Inputs: 4
• Audio Outputs: Stereo L/R RCA
• Features: Analog
• Number of Outputs: 2
• California Prop 65 Warning: NO
• Color: Black
• Surround Sound Formats: no
• Supported Modes: no
• Power: no
• Receiver Combo Features: no

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Up for sale rare Soviet(russian) tape deck, manufactured in 1988, with original power cord, works on 220v. The only programmable deck of the Soviet Union, equipped with 3x direct drive motors! Equipped with own compander noise reduction system, works different from Dolby. Find it on garage sale, still working, but needs prevention, cleaning and change some elements. Video reviews also are in web.. “Vega MP-120 Stereo” in 1987 released a software Berd “Vega”. Designed for recording tracks on the magnetic tape and play them through the stereo headphones and external UCU. In the model used; feather-mode control, automatic braking, electronic tape counter flow compander noise reduction, the programmer to play back pre-selected fragments, as indicated by their numbers, there Overview mode. The device used sendas magnetic head. Coefficient detonation 0.15%. The range of audio frequencies on the tape Fe – 40..14000, Cr – 31,5..16000 Hz. The level of noise and interference in the channel of the recording and reproducing -56 dB. Dimensions MP 430h320h120 mm, weight 7.5 kg. Also please look at my other items. The item “Vintage audio tape deck from Soviet Union VEGA MP-120″ is in sale since Thursday, April 4, 2019. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Cassette Decks”. The seller is “mariomp2-2014″ and is located in Riga, genskalns. This item can be shipped worldwide.

• Model: VEGA MP-120
• Country/Region of Manufacture: Russian Federation
• MPN: Does Not Apply
• Brand: VEGA

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Vintage Studio Mixing Console Analog Audio USSR. Europe and Asia 10-20 days. United States and Canada 15-30 days. Australia and Brasilia 20-40 days. I guarantee very good packaging. HAVE A NICE DAY! View more great items. The item “Studio Mixing Console Analog Audio USSR 1991 Vintage” is in sale since Wednesday, July 10, 2019. This item is in the category “Musical Instruments & Gear\Pro Audio Equipment\Live & Studio Mixers”. The seller is “oldschool-by” and is located in Minsk. This item can be shipped worldwide.

• Country/Region of Manufacture: Russian Federation
• Analog/Digital: Analog
• Type: Mixing Console
• MPN: Does Not Apply
• Brand: USSR

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