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B09JVV8N83 Availability: Currently unavailable Score: 1000.000 Category: Electronics Rating: 4 Votes: 1 Find similar products LeTkingok Mini Vacuum Tube Amplifier- HiFi Desktop Power Amp Valve Amplifier 3W2 (Black). LeTkingok Mini Vacuum Tube Amplifier-- HiFi Desktop Power Amp Valve Amplifier 3W2 (Black) Parameter: Voltage amplification tube: 26J1 Power amplification tube: 26P1 Output power: 3W+3W(4/8 ohms) Frequency response: 30-40KHZ (-1dB) Input sensitivity: 500MV Signal signal to noise ratio is -80dB/3W Residual noise <1mVac Input AC voltage: 100-250VAC Power consumption: 36W Input impedance: 10K ohms Output impedance: 8/4 ohms (Japan's Z11-EI48 24 output transformer) Size: 124 mm (width) x 132 mm (D) x 166 mm Package size: 186 mm (width) x 186 mm (D) x 155 mm Weight: up to 1.7kg Package weight: up to 2.0kg Input: RCA jack Output: banana socket AC: Standard IEC socket, fuse protection (2A fuse) Package Including: 1 x Amplifier 2 x 6J1 Tubes 2 x 6P1 Tubes Note: Do not include Power Cord and other Line ,you should Prepare yourself.	B07L5CRQ7T Price: $649.76 Score: 8.929 Category: Electronics Rating: 4 Votes: 18 Find similar products Reisong - BOYUURANGE A20 Hi-Fi Intergrated Amplifier KT88 Tube Single-end Class A 4ND VU Meter. You should take about 30-100h time to operate the amp.RUN-IN to the amp gives it's best and stable sound.so during the first 100h use time the sound maybe is not the best,you can also use your own run-in method. Specifications: Output Power: 8W * 2 (Ultra-linear connection) Frequency response: 20Hz-35KHz Output Impedance: 4,8Ω Total harmonic distortion: ≤ 1% (1kHz) Input Sensitivity: 750MV Input impedance: 100KΩ (three sets of input signal) Voltage amplification: Dawn 6J8PJ × 2. Power output tube: KT88 × 2. Rectifier tube: 5Z3PA-T × 1 Dimensions (W×D×H): 366×300 (including knob) × 185mm SNR: 89dB Weight: about 16.5 kg (114 power transformers, export version) Gross weight: 18kg Power Supply Voltage: AC 110V-120V/50Hz-60Hz(For United States） Features: With power tube current monitoring circuit, tube replacement upgrade ease. Medical grade 5Z3PA-T rectification. Imported 0.35 core output amplifier audio dedicated core, core stack thickness 86-50, A20 flux of 13,000 Output transformer potting techniques, ensure that the output of the amplifier stability and reliability Double chassis design，not easy deformed. Output amplifier with a new imported 0.35 core manufacturing, high-purity copper wire package enameled, layered segmentation, string and connection method Imported 0.35 thick core manufacturing power amplifiers Output amplifier with high-grade stretch amplifier housing cover. Power Transformers: new imported 0.35, stack thickness 60MM (114-60). Output amplifier core: core 0.35 new imported thick high silicon (86-50). Japanese production of ALPS potentiometer. Chassis: mirror stainless steel chassis.
B01MSZTMM2 Availability: Currently unavailable Score: 8.772 Category: Electronics Rating: 4 Votes: 1 Find similar products Bravo Audio SP1 Class D 12AU7 Hybrid Tube Stereo Speaker Amplifier. In Put Power: DC18V 3A THD: 0.2% （18V 8 Ohm 12 ） Output: 20W+20W RL= 8 Ohm Maxium undistored input voltage:1V (VP-P) Frequency response:40 - 18K Hz (+/- 1dB) working temperature:0 - 70 degree centrigrade Input jack:Stereo RCA x1, Stereo 3.5mm x1 Output jack:Speaker Pole jack x 4 (stereo) Dimension:168mm (D) X 115mm (W) X 85mm (H).	B07QN7PHDM Availability: Currently unavailable Score: 8.264 Category: Electronics Rating: 4.4 Votes: 470 Find similar products Little Dot I+ 6JI X2 Tube Standard Hybrid Headphone Headphone Amp Pre-Amp Tube Amplifier (LDI+). Input: Gold Plated Unbalanced (RCA) Jacks Output: 1/4 Gold Plated Stereo Headphone out Tube Options: 6JI standard Frequency Response: 10HZ ~ 50KHz (minus3 dB) THD plus N: 0.2 percent: 1Vrms @ 1000Hz 0.6 percent: 3Vrms @ 1000Hz 1.0 percent: 5Vrms @ 1000Hz Signal to Noise: 92dB Suitable Headphone Impedance: 8 ~ 600 ohms Input Impedance: 50K ohms Power Output: 150mW @ 300 ohms 300mW @ 120 ohms 800mW @ 32 ohms User variable gain settings: 6.5x or 3.25x Power Consumption: 15VA Measurements: Metric: 180mm (L) by 97mm (W) by 100mm (H) English: 7.08 inches (L) by 3.81 inches (W) by 3.93 inches (H) Weight: 1.5 kg or 3.3 lbs. Available in Black Available in either 120VAC or 220VAC.
B09423M19R Price: $13.29 Score: 7.874 Category: Electronics Rating: 4 Votes: 1 Find similar products Mono Digital Amplifier Mono 100W Digital Mono Subwoofer Durable TPA3116 with NE5532 OPAMP. Features: 1.Adopt quality electronic components, good performance.2.Quality power amplifier chip, DC single power supply 8 25V working voltage, 50W (left channel) and 50W (right channel), two of channel output.3.Can use switching power supply, laptop switching power supply, battery or car power supply, etc.4.Adopt NE5532 front facing OPAMP to buffer, better than normal amplifier.5.With 5.5mm power interface. 100W mono subwoofer, outstanding effect. Spec: Material: ABS Color: As picture shown PCB size(lengthwidth): Approx. 7860mm/3.12.4inPower range: 8V 25VPower interface: 5.5mm power jackSingle channel output: 100WDual channel output: 50W (left channel) + 50W (right channel) Packing List: 1Module 1Paster1Screw1*Cap.	B07GLZZS3G Price: $15.88 Score: 7.813 Category: Electronics Rating: 4.8 Votes: 15 Find similar products LM4562NA/NOPB LM4562NA LM4562 Dual High-Performance Audio Operational Amplifier with Ultra Low Distortion IC (Pack of 2). The LM4562 is part of the ultra-low distortion, low-noise, high-slew-rate operational amplifier series optimized and fully specified for high-performance, high-fidelity applications. The LM4562 audio operational amplifiers deliver superior audio signal amplification for outstanding audio performance. The LM4562 combines extremely low voltage noise density (2.7nV/√Hz) with vanishingly low THD+N (0.00003%) to easily satisfy the most demanding audio applications. To ensure that the most challenging loads are driven without compromise, the LM4562 has a high slew rate of ±20V/µs and an output current capability of ±26mA. Further, dynamic range is maximized by an output stage that drives 2kΩ loads to within 1V of either power supply voltage and to within 1.4V when driving 600Ω loads. The LM4562's outstanding CMRR (120dB), PSRR (120dB), and VOS (0.1mV) give the amplifier excellent operational amplifier DC performance. The LM4562 has a wide supply range of ±2.5V to ±17V. Over this supply range the LM4562’s input circuitry maintains excellent common-mode and power supply rejection, as well as maintaining its low input bias current. The LM4562 is unity gain stable. This Audio Operational Amplifier achieves outstanding AC performance while driving complex loads with values as high as 100pF.
B08H7N7NN6 Price: $149 Score: 7.692 Category: Electronics Rating: 4.4 Votes: 36 Find similar products Linsoul Topping L30II NFCA HiFi Headphone Amp Preamplifier with 3 Gain Settings, HPA/RCA/6.35mm Output, RCA Input, Volume Knob Control for Audiophile Musician (Blue). L30 II Amplifier Specifications THD+N@1khz(a-wt): <0.00006%@ Output=500mW(32Ω) ; <0.00005%@ Output=80mW(300Ω) THD @20-20KHZ 90KBW: <0.00008%@ Output=500mW(32Ω) ;<0.00007%@ Output=80mW(300Ω) SNR@ MAX OUT 1KHZ(a-wt): 144dB Dynamic Range@ 1KHZ(a-wt): 144dB Frequency Response: 20Hz-40kHz(± 0.05dB) Output Level: 14Vpp@ G = L; 31Vpp@ G = M; 37Vpp@ G = H AP measured noise level (a-wt): <0.7uVrms@ G = L; <0.7uVrms@ G = M; <1.5uVrms@ G = H Actual noise level * (a-wt): <0.3uVrms@ G = L; <0.3uVrms@ G = M; <1.4uVrms@ G = H Channel Crosstalk@ 1KHZ: 92dB Input sensitivity: <25Vrms@ G = L; <11.2Vrms@ G = M; <2.0Vrms@ G = H Gain: <-14.0dB@ G = L; <0dB@ G = M; <16.5dB@ G = H Output Impedance: <0.1Ω Output Power: 3500mW x2@ 16Ω THD+N<0.1%; 2700mWx2@ 32Ω THD+N<0.1%; 2000mW x2@ 64Ω THD+N<0.1% 560mW x2@ 300Ω THD+N<0.1% Load Impedance: >8Ω L30II Pre-Amplifier Specifications THD+N @1kHz (a-wt): <0.00006% THD @20-20kHz 90kBW: <0.00007% SNR @MAX OUT 1kHz (A-wt): 144dB Dynamic Range @1kHz (A-wt): 144dB Frequency Response : 20Hz-40kHz (± 0.05dB) Output Level: 14Vpp @G=L 31Vpp @G=M 37Vpp @G=H AP measured noise level (a-wt): <0.7uVrms @G=L <0.7uVrms @G=M <1.5uVrms @G=H Actual noise level* (a-wt): <0.3uVrms @G=L <0.3uVrms @G=M <1.4uVrms @G=H Channel Crosstalk @1kHz: -92dB Input sensitivity: 25Vrms @G=L 11.2Vrms @G=M 2.0Vrms @G=H Gain: -14.0dB @G=L 0dB @G=M 16.5dB @G=H Output Impedance:20Ω What’s in the Package? -1 x L30II -1 x AC adapter -1 x 6.35mm to 3.5mm converter jack -1 x Warranty card -1 x User manual Product Size：3.2cmx10.0cmx13.5cm.	B07H3JQ6LG Price: $24.4 Score: 7.519 Category: Electronics Rating: 2.8 Votes: 12 Find similar products Zerone Home Audio Amplifier, Dual Channel Mini Portable Power Stereo Sound Audio Mini AMP for Car Audio, Home Theater, Computer Speakers. This amplifier can be used in car audio, home theater, computer speakers, MP3 or other audio equipment. This high-fidelity high-power amplifier features small size, easy installation, low distortion, noise and whispered good isolation. You are worth it! Specification: Voltage: DC 12V Rated power: left and right channel output 40w x 2; Subwoofer output: 60w x 1 Noise reduction ratio: 80db Distortion rate: 0.4% Rated frequency: 20-20KHz Material: Aluminum alloy Color: Silver (Shown as the picture) Package weight: 460g Package includes: 1 x Audio Amplifier.
B07S96P4ZH Price: $31.99 Score: 7.519 Category: Electronics Rating: 4.2 Votes: 1258 Find similar products Lepy LP-2020A Class-D Hi-Fi Digital Amplifier with Power Supply Black. Product Features: Aluminum enclosure: Light weight, sturdy and stylish high-end appearance Built-in loudspeaker protection circuit triggers when the amplifier is turned on to protect speakers from high volume bursts of audio Power monitoring protection circuit: Output will be cut off when input voltage exceed 14.4 Volts DC or overheat etc Reduced signal interference and offer long operation life: State of the art design using surface mount components and advanced engineering for proven performance Cost effective: Low price and high performance, great for projects and DIY audio applications Product Specifications: - Brand: Lepy - Input power:DC10-14.4V - Output power:20wx2 RMS - Weight: 360g - Load impedance:4-8Ω - Frequency response:20Hz-20Khz - Total harmonic distortion:＜0.4% - SNR:>80db Package Content: ✮ 1x LP-2020A Digital Amplifier ✮ 1x User Manual ✮ 1x Power Supply.	B00A2QKUES Availability: Currently unavailable Score: 7.143 Category: Electronics Rating: 3.6 Votes: 80 Find similar products Bravo Audio V3 Tube Headphone Amplifier EQ Equalizer. First time for sale in the U.S from authorized bravo audio distributor.Warm powerful Tube sound Russian EH 6922 with 3 Band Graphic Equalizer, Passive EQ employed/very low noise, 24V DC input, safe voltage. Affordable price regarding competitive units and built to last. This is the new Bravo Audio BRAVO 3 CLASS A TUBE DRIVEN HEADPHONE AMPLIFIER WITH EQ CONTROL! Bravo Audio has been making some waves with their line of Tube powered line headphone amps as well as the Tube powered guitar Booster (please see my other posts for other Bravo Audio offerings). Bravo Audio gives you the warmth of a tube in a unique little package. Bravo Audio has been talked about in Audiophile blogs and forums recently and this offering is for the Bravo 3 which features an 12AU7 Russian EH 6922 Tube along with a Graphic slide EQ section and other performance features normally found in much more expensive Audio products. In this age of MP3's and compressed digital music files, a lot of what the artist intended you to hear from the original master tapes on have been lost with thin sound replications of the original sound. With the warmth and power of the tube driven Bravo Audio lineup, many of these lost frequencies will come to life through a good pair of headphones to match it with. Hear what you have been missing in your favorite music! Very cool little unit! Features: Russian EH 6922 Tube Amplifier. Sweet powerful Tube sound. 3 Band Graphic Equalizier. Passive EQ employed. Very Low Noise. 24V DC input, Safe Voltage. Affordable price, Long Life. Technical specification: In Put Power: DC24V Input Sensitivity: 100mV Out-Put Impedance: 20~600 Ohm Gain: 28dB Freq. response: 10Hz-60KHz +/- 0.25dB Signal/Noise Ratio: >90dB Dynamic range: 84.6dBA(300 ohm) 89.8dBA(33 ohm) THD: 0.016%(300 ohm) 0.45%(33 ohm) IMD + Noise: 0.045(300 ohm) 0.42(33ohm) There is NO OP amp or IC in this circuit, which can introduce unexpected distortion to the sound. Great sounding little amp!.