{"product_id":"uotang-mk8800-kt88-45wx2-push-pull-tube-power-amplifier-hifi-power-amp-with-full-balanced-input","title":"UOTANG MK8800 KT88 45Wx2 Push-Pull Tube Power Amplifier HiFi Power Amp with Full Balanced Input","description":"\u003cp\u003e\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\u003cspan\u003eThis high-end HIFI tube amplifier MK8800 has consumed massive time and effort throughout its planning, R\u0026amp;D and launch phases. The all-new UOTANG MK8800 comes into being under this development philosophy, retaining mature circuit performance while bringing practical performance improvements.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eCore Development Principles of MK8800:\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e1. Extensive Functional Layout: Equipped with abundant adjustable functions and customizable settings to satisfy advanced audiophiles' diversified upgrade demands for tube amplifiers.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e2. In-Depth Hardware Configuration: Beyond baseline performance standards, premium components and elaborate circuit design leave sufficient upgrade potential for further performance tuning.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e3. Distinctive Timbre Feature: Optimized for both powerful dynamic output and mellow tonal presentation, further refining the inherent acoustic advantages of tube amplifiers.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e4. Premium Exterior Craftsmanship: Adopting brand exclusive black-gold finish paired with automotive-grade baking paint, the unit delivers refined texture and an imposing, elegant overall appearance.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eUOTANG MK8800 covers all standard specifications of premium high-performance tube amplifiers. Instead of obscure technical jargon and overstated acoustic descriptions, we focus on premium component selection and refined configuration to build your ideal tube amplifier.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003cbr\u003e\u003cspan\u003eUOTANG New Full-Size Tube Amplifier MK8800\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Floor-standing \u0026amp; Bookshelf Speakers Fully Drivable\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Power Transformer: 350W\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Output Transformer: 130W (*2pcs)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Imported Core Components, Italian Microcontroller Chip\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Brand Tubes: 9pcs\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Dual Push-Pull Modes: Triode\/Ultra-linear\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Handcrafted Point-to-Point Wiring + PCB Circuitry\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Large Rectifier Panel with Dual Meters, Fixed Bias Adjustable\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Usable as Pure Power Amplifier\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* PRE OUT Audio Output Port\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* True Balanced Input Terminal\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Dual Filter Design\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003ePremium Components\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* 6KZ8 ×4 for Preamp Voltage Amplification\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Custom KT88 ×4 for Power Stage Amplification\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Rectifier Tube: 17BE3 (Vintage Tube from USA), Authentic Tube Rectification\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Impressive Powerful Output to Drive Any Large-Sized Loudspeakers\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Equipped with 350W Power Transformer \u0026amp; Dual 130W Output Transformers\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Independent Output Transformer for Left \u0026amp; Right Channels (Japanese EI Silicon Steel Core + Layered Cross Winding Craft)\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eComplete Configuration \u0026amp; Functions to Meet Upgrade Demands of Audiophiles\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Dual-Function Meters on Large Rectifier Panel for Working Status Monitoring \u0026amp; Fixed Bias Adjustment\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Dual Push-Pull Options: TRIODE\/ULTRA-LINEAR\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Multi-Function Unit: PRE IN Pure Power Amp Mode\/PRE OUT Audio Output\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Exclusive Dual Filter Design, Automotive-Grade Baking Paint Finish, Full Aluminum Remote Controller\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Handcrafted Point-to-Point Soldering on Key Positions plus Anti-Interference PCB Layout\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Power-On Mute Delay Protection, True Balanced Audio Input Port\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Independent Audio Relay \u0026amp; Independent Output Relay for Separate Dual-Channel Protection\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003ePremium Audiophile-Grade Components\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* High-Performance Microcontroller (for ATMEL) from Italy\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* 4pcs Precision Trim Potentiometers for BAPTER, BA6208 Motor Driver IC\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* JRC5532D operational amplifier, high-precision 5-band color ring resistors, potentiometer for ALPS made in Japan\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Imported audio-specific electrolytic capacitors: Germany audio capacitors for CHIRMCAP, plus low-ESR electrolytic capacitors for Rubycon, Nichicon and NCC.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003ePerfect Fusion of Power and Softness\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Deliver Sound of Ideal Beauty\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Satisfy the Discriminating Hearing of Veteran Audiophiles\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eFulfill Your Ultimate Pursuit of Perfect Sound\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* The MK8800 full-size tube amplifier delivers robust dynamic response alongside exceptional detail retrieval, featuring warm, delicate and open tonal performance. Premium audiophile-grade component configuration lays a solid foundation for outstanding acoustic output, enabling the unit to achieve the ideal sound performance you expect from a high-end tube amplifier.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eA Tribute Work by Our Team for Veteran Audiophiles\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Most seasoned audiophiles own a vintage amplifier accompanied for years, cherished for its enduring remarkable sound signature. MK8800 is engineered to become your lifelong classic vintage-style amplifier, retaining timeless charm and recreating glorious audio performance year after year.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eNine Tubes for Harmonious Sound, An Elite Upgrade in Acoustics \u0026amp; Configuration\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Preamp Voltage Amplifier Tubes - 4pcs Import Vintage 6KZ8: Manufactured by General Electric founded in 1892, 6KZ8 is low-noise vacuum tube; each unit drives one power tube for lower noise, superior channel separation and immersive stereo imaging.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Sound Character: Exquisite \u0026amp; mellow timbre, vivid tonal texture, precise resolution and expansive dynamic soundstage.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Power Output Tubes - 4pcs UOTANG Custom KT88: Custom-tailored KT88 tubes exclusive for UOTANG feature high withstand voltage, large output power, high trans-conductance, low internal resistance, easy drive and minimal distortion to effortlessly drive large-size loudspeakers. \u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Sound Character: Punchy low frequency, rich \u0026amp; solid mid-range, smooth and delicate high frequency.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Rectifier Tube - Vintage 17BE3 (for RCA) from USA: vintage 17BE3 serves for tube-type rectification and overload protection; independent dual high-voltage circuit cuts down tube power loss to enhance authentic tube tone. 17BE3 brings neutral, straightforward and precise analysis for authentic and natural sound reproduction.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eAstonishing Driving Power to Effortlessly Run Any Large Speaker\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* The MK8800 power system consists of one power transformer plus a pair of output transformers.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Power Transformer: 350W toroidal design for high efficiency and continuous stable power supply.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Single-channel Output Transformer: 130W, total 260W for dual channels.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Only 25W\/45W of the full power is utilized for dual-mode output.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* With 3~5 times power margin, its actual driving capability equals roughly a regular 300W solid-state amp. It easily drives all types of speakers with full, robust sound performance to handle large-scale audio scenes perfectly.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003ePower Transformer System\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* 2pcs Exclusive UOTANG Wide-Band Output Transformers and Japanese EI Silicon Steel Core + Layer Cross Winding Craft: Audio transformers are the core component of tube amplifiers. These two tailor-made output transformers are exclusively customized for MK8800 for independent left\/right channel use and incompatible with other amplifier models. Handcrafted with layered cross winding for enhanced precision and minimized magnetic leakage, optimizing primary inductance, leakage inductance and distributed capacitance to realize wide frequency response. It suppresses series\/parallel resonance, non-linear distortion and phase delay down to ideal levels, defining the overall premium performance of MK8800.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* High-Efficiency Toroidal Power Transformer with Sturdy Power Reserve: MK8800 adopts premium Grade-A isolated toroidal power transformer wound with high-temperature resistant QZY polyimide enameled wire; isolated primary \u0026amp; secondary windings deliver outstanding stability, impedance and anti-interference performance. Class-J isolated transformer effectively absorbs current surge, improves damping factor for tighter speaker control, generating thick low-frequency with clear outline and solid stereo imaging. Toroidal transformer features no air gap, low reluctance, tiny flux leakage and low copper loss per turn; polyimide enamel wire boasts excellent surface smoothness, high breakdown voltage and superior thermal shock resistance.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eDual-Mode Push-Pull Circuit: Triode Mode\/Ultralinear Mode\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* UOTANG MK8800 supports two switchable circuit topologies to cover diversified tonal preferences.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Ultralinear Mode: 45W × 2 Output Power. Abundant power and damping deliver grand, powerful sound with wide, deep frequency range, excelling at large-scale symphony and high-dynamic program material.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Triode Mode: 25W × 2 Output Power. Smoother, round timbre with refined detail and superior layering, ideal for vocal, string and pure tone reproduction.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eStandardized \u0026amp; Precise Circuit Layout with Hand-Soldered Point-to-Point Wiring on Critical Nodes\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* MK8800 adopts combined point-to-point wiring + standardized PCB construction. Main signal amplification circuits use point-to-point hand soldering to lower noise: large-signal paths reduce internal resistance via point-to-point wiring while small-signal PCB routing minimizes interference and improves production consistency. Hundreds of components are standardized for stable uniform performance across every unit. As tube amplifiers run on high voltage \u0026amp; low current with strict insulation requirements, PCB layout optimizes insulation, signal-to-noise ratio and anti-vibration performance; paired with point-to-point wiring at key sections for dual advantages: enhanced safety, higher efficiency, lower noise and steadier sound output.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eHigh-Precision Core for Full-System Coordinated Control\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* MK8800 equips high-performance MCU (for ATMEL) from Italy, cooperating with precision trim potentiometers for BAPTER, BA6208 motor driver IC, JRC5532D op-amps and quartz crystal oscillators as the central control system to deliver responsive and powerful overall performance.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003ePower-On Delay Warm-Up Protection System for Pure Sound Output\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* MK8800 features auto warm-up circuit with around 30-second startup mute. Combined power-on delay \u0026amp; mute protection realizes shock-free power-up sequence: low voltage heats tube filaments first with tiny pre-charging current for capacitor energy storage; high voltage rises gradually afterward to fully warm vacuum tubes before audio output.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eLarge Full-Panel Dual VU Meters with Dual Functions\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Real-time operational readout \u0026amp; precise fixed bias adjustment at a glance\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* MK8800 is equipped with high-precision dual-channel dual-function VU level meters. The meter serves dual purposes: monitoring operating status and BIAS adjustment for straightforward tube condition inspection and fine fixed-bias tuning. External independent BIAS ADJ knob enables convenient calibration to optimize vacuum tubes for peak performance.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Full-view large-panel layout paired with black dial \u0026amp; warm backlight delivers refined understated visual texture alongside responsive needle movement.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eFixed Bias Adjustment Design\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Manual adjustment of output tube bias to secure optimal operating point.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Adjustable bias to recalibrate working status when replacing same-spec or interchangeable vacuum tubes.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Built-in VU calibration meter eliminates the need for external multimeter during setup.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eMulti-Purpose Design with Pure Power Amp PRE IN Mode\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* MK8800 supports pure power amplifier mode via PRE IN input to receive signal from standalone preamplifier units. This expandable configuration upgrades system flexibility to satisfy diversified audio setup demands across multiple application scenarios.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eMulti-Functional PRE OUT Audio Output Port\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* MK8800 is equipped with PRE OUT audio output for versatile setup options: it supports synchronous playback with external audio devices and connection to active subwoofers, fulfilling diversified configuration demands for seasoned audiophiles.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003ePremium Automotive-Grade Paint Finish \u0026amp; Refined Exterior\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* UOTANG signature black \u0026amp; gold color scheme balances futuristic tech aesthetics and elegant styling.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Both chassis and protective vent grille adopt automotive baking paint for seamless integrated appearance, glossy luxurious texture and long-lasting durability against aging.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Comes with solid full-aluminum infrared remote controller featuring delicate matte surface craftsmanship.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eExclusive Dual Filter Design for Thorough Power Purification\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* MK8800 adopts LC π-type filter circuit composed of one high-inductance choke transformer plus two filter capacitors. Pulsating voltage goes through dual-stage filtering: most AC components are blocked by the choke coil before residual AC signals get bypassed via dual capacitors. This delivers smoother output voltage with sufficient purification, elevated output level and outstanding SNR up to 92dB.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eFlexible Compatibility for All Music Genres \u0026amp; Home Audio Devices\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* MK8800 is compatible with diverse HIFI audio sources and daily consumer electronics including smartphones, televisions and PCs via direct wired link or adapter connection. Powerful hardware enables effortless driving of most commercial loudspeakers and authentic reproduction across vocal, instrumental, symphony, pop, classical and light music styles.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eMore Details:\u003c\/b\u003e\u003cbr\u003e\u003cspan\u003e17BE3 Preamp Vacuum Tube Rectifier\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* 17BE3 genuine tube rectifier with overload protection\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Adopts vintage RCA USA rectifier tube for authentic tube-style rectification to preserve classic tube timbre and optimize vacuum tube performance.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eMotor-Driven Potentiometer for ALPS from Japan\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* High precision \u0026amp; low coloration\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Guarantees balanced stereo output with superior linear precision and minimal dynamic noise.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eIndependent Audio Relay for Full-Range Targeted Protection\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Three sets of audio inputs paired with three dedicated independent relay groups for separate channel safeguard respectively.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eIndependent Output Relay with Separate Dual-Channel Protection\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* One dedicated output relay per channel plus an extra grounding relay for chassis ground safety.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eTrue Balanced Audio Input for Abundant Sonic Details\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Equipped with professional XLR balanced input jack to retrieve richer audio fine details.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eCustom Spherical Isolation Feet for Effective Vibration Damping\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Specially engineered spherical shock-absorbing foot pads cut resonance to retain subtle sound details.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eGold-Plated Pure Copper Terminals for Efficient Stable Signal Transmission\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Low output internal resistance improves signal conductivity and reduces transmission loss effectively.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eEasy-Detachable Protective Cover \u0026amp; Auto-Grade Baking Paint Craft\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Chassis and grille share unified automotive baking paint for integrated elegant appearance.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eHigh-Precision Regulator Circuit with Four Imported Voltage Regulator Tubes\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Delivers steady supply voltage for robust thick low end, crisp mid-high frequency and intact detail under large dynamic swing.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003ePremium Imported Capacitors \u0026amp; Japanese 5-Band Precision Resistors\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Audio-grade capacitors for CHIRMCAP, Rubycon, Nichicon \u0026amp; NCC; high-temperature, long-lifespan low-ESR electrolytic \u0026amp; film capacitors.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003cbr\u003e\u003cspan\u003e* Dimension: W390mm x H210mm x D320mm (including binding posts)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Rated Output Power:\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e  - UL Ultra-linear Mode: 45W×2 (equivalent to ~300W×2 ordinary amp driving capability)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e  - TR Triode Mode: 25W×2 (equivalent to ~150W×2 ordinary amp driving capability)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Harmonic Distortion: 1% at 1kHz\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Input Sensitivity: 340mV (Combined Input)\/2000mV (PRE IN Pure Power Input)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Input Resistance: 100KΩ\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Output Tap Impedance: 4Ω, 8Ω\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Frequency Response: 10Hz~35kHz (-1.5dB)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Channel Balance: \u0026lt;0.5dB\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* SNR: 92dB\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Total Power Consumption: 260W\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Net Weight: 18.5KG\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Vacuum Tube Configuration: 6KZ8×4\/17BE3×1\/KT88×4\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Operating Voltage: AC 220V±5% 50Hz\u003c\/span\u003e\u003cbr\u003e\u003cb\u003e\u003cbr\u003eRear Panel:\u003c\/b\u003e\u003cbr\u003e\u003cspan\u003e* RCA Input: CD (Dual RCA Audio Input Jack)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Balanced Input: XLR (True Balanced Port for balanced-output audio sources)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Preamp Input: PRE IN (Connect external preamp, operate as standalone power amplifier)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Audio Output: PRE OUT (Link active subwoofer or cascade additional power amps)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e* Left\/Right Speaker Output Taps: 0Ω, 4Ω, 8Ω\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePacking List:\u003c\/b\u003e\u003cbr\u003e\u003cspan\u003e* 1 x Set of Tube Amplifier\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackaging Details:\u003c\/b\u003e\u003cbr\u003e\u003cspan\u003e* Package weight: 20.5kg\u003c\/span\u003e\u003c\/p\u003e","brand":"UOTANG","offers":[{"title":"Default Title","offer_id":41110191898673,"sku":"102538","price":1461.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/4790\/6353\/files\/102538-1.jpg?v=1783300966","url":"https:\/\/www.thanksbuyer.com\/ja\/products\/uotang-mk8800-kt88-45wx2-push-pull-tube-power-amplifier-hifi-power-amp-with-full-balanced-input","provider":"Thanksbuyer Online,SDR Radio, Testers and Measurement devices, Astronomy products,  Audio Amplifer and Decoders","version":"1.0","type":"link"}