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B07Z7TPTS3 Availability: Currently unavailable Score: 1000.000 Category: Electronics Rating: 3.6 Votes: 68 Find similar products HYS HF Transceiver 3-30Mhz HF Power Amp for 3-30Mhz Handheld Radio with a Mini Fan. This model can be amplify for HF radio. 1.Turn on/off switch 2.Auto receive/transmit switch 3.Electrode reversal protect Specifications Frequency range:HF Operate voltage:12-14 Vcc Input current/POWER:14-20 A Input power:3-5 W Input power SSB:2-10 W FM Output power:PEP Max 150 W(Input 10W)(Note: Note:Normal the output power is 70-100W) AM Output power:PEP Max 150 W(Input 10W) (Note:Normal the output power is 70-100W) Output power SSB:300 W(Input 10W) PEP Max 250W (Input 5W ) PEP Max(Note:Normal the output power is 120-250w) Working mode:FM- AM-CW-SSB Note:if you will test the max PE power to FM/AM 150W or SSB 300w,you can try use input 10w from FM/AM /SSB radio but please don’t use too long time, the operate will cause damage to power transistor, more serious will cause the Amp to burn out. Blown fuse:2x12 A Dimension:109x225x35 mm Net weight:750 g. Product Description Compact high power all mode Amp with automatic TX/Rx switch and On/Off switch. Electronic switch. Inversion polarity protection.It will decrease the amp' life time and also if the antenna can not endure the output watt, which will damage the amp. Packing Incudes:1*TC-300N Amp.	B0BPCZSW3Z Availability: Currently unavailable Score: 6.667 Category: Electronics Rating: 1.9 Votes: 4 Find similar products Pasotim 50W HF Amplifier for USDX FT-817 ICOM IC-703 IC-705 IC705 KX3 QRP FT-818 G90 G90S G1M X5105 AMP OGS-50W. Pasotim Item Type:AdapterModel Number:OGS-50WOperating frequency: 3~24Mhz.Transmission and pulling : 1-5W.Output : 50W.Interface impedance: 50Ω.Operating : 13.8V.Attention: use, you need to use or similar tools to determine the transmitting antenna impedance of 50Ω, SWR Less than 1.5. Otherwise, the transmitter tube will be damaged due to the mismatch of transmitting impedance!color:BlackMaterial:Metal + PlasticPackage Contents:1 x OGS-50W AMP1 x cordOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.
B07X3Z8YTD Price: $12.49 Score: 6.494 Category: Electronics Rating: 4.5 Votes: 62 Find similar products HiLetgo Digital FM Transmitter Module FM Transmitter Stereo Frequency Modulation DSP PLL 76.0-108.0MHz Multi-Function Frequency Modulation with LCD Display. Specifications: Output Power: 100mW Modulation Mode: standard FM Equivalent Noise: >=30dB Power Supply Voltage: DC 3.0V-5.0V Operating Current: 35mA Adaptive Antenna: 75cm bar antenna Audio Frequency Response Range: 50Hz-18 KHz Transmission Frequency: 76.0MHz to 108.0MHz (Campus broadcast: 76.0MHz-87.0MHz) Frequency Adjustment Stepping: 0.1MHz/times (short press the key); 1.0MHz/times (long press the key) Sound Track: LINE/USB channel (stereo); MIC channel (single channel) Settings: 1. Setting of backlight LED mode When the power is off, press the “FRE-” and “FRE+” button at the same time to start up. B1 indicates always bright. B0 indicates that the backlight is closed for 20 seconds, and the reset setting takes effect. (the factory defaults to 20 seconds of backlight delay). 2. Start/close the campus radio frequency band Press VOL+ and VOL- key at the same time, and then connect the power supply. LCD displays C1, which means to start the campus broadcast(76-87mhz). C0 means closing the campus radio frequency band. Take effect after restart. (the factory defaults to close the campus radio frequency band). 3. Settings of stereo/mono transmission mode The back of the module has two solder joints M,G. Short connecting is the monophonic launch. Disconnecting these two points is the stereo system launch. (the factory defaults to stereo system launch). Note: the stereo system must satisfy the input to the module's audio source is stereo and the radio is also stereo to achieve the stereo effect. When using a single speaker (monophonic) radio or input to the module's audio signal as mono, there is no stereo. Package Includes: 1 * Digital FM Transmitter Module.	B07L5CRQ7T Price: $649.76 Score: 6.369 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.
B09JVV8N83 Availability: Currently unavailable Score: 6.173 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.	B00HZY3GQO Availability: Currently unavailable Score: 5.988 Category: Electronics Rating: 3.3 Votes: 3 Find similar products SODIAL LM386 Audio Amplifier Module 200 Times 5-12V 10K Adjustable Resistance. .
B00NKWV0IQ Availability: Currently unavailable Score: 5.952 Category: Electronics Rating: 3.8 Votes: 8 Find similar products SMAKN LM386 Audio Amplifier Module 200 Times 5-12V 10K Adjustable Resistance. Product Name : Audio Amplifier Module; Chip : LM386 Magnification Times : 200; Power Supply : 5-12V PCB Board Size : 41 x 13mm/1.6 x 0.5 (L*W); Material : Electric Part Net Weight : 5g 1. Onboard LM386 Chip.With 200 multiplier benefits circuit design 2. On-board speaker wire holder 3. On-board 10K variable resistor, you can adjust the Amplification volume. 4. Onboard power indicator, the main feet of the chip has been leaded, can input audio signal directly . 5. Operating voltage: 5 ~ 12V Package Content : 1 x LM386 Audio Amplifier Module.	B01BLN8RK4 Availability: Currently unavailable Score: 5.952 Category: Electronics Rating: 2.4 Votes: 2 Find similar products FailSafe 25Watt Professional Long Range Transmitter + Professional Grade -7D Cable + RangeMax 2.0 1/2 Wave Antenna (0.1 W to 25.0 W + Built-in SWR Meter). The CZH-T251 25Watt FM transmitter is a professional FM transmitter. It is featured with one button control for all functions, including: RF output, VSWR protection, temperature protection, electronic volume adjustments. It is also equipped with low pass filters. This means that with one touch you are able to setup the transmitter and walk away without worries of the equiptment breaking due to temperature or RF feedback. It’s applicable in many places, such as stadiums, radio stations, motels, public squares, churches, theaters, and many more... This kit comes with a transmitter, power supply, an easy to assemble di-pole antenna, and our professional grade broadcast cable. Everything you need to get broadcasting right out of the box. The RF output is easily adjustable between 0.1W and 25W. This means that the system is perfect for whatever size application you wish for it. Technical Specification -Size 215mm x 165mm x 54mm chassis -RF power up to 25 watts -Standing wave protection, and overtemperature protection. -Output power from 0.1W ~ 25W continuously adjustable -RF power lock feature -Screen depicts exact output power and various working status. Operating frequency: 87.5 ~ 108MHz Output power: 0-25Watt (continuously adjustable) Output Impedance: 50 ohm Spurious and harmonic radiation:-60db Frequency response: 50 ~ 15KHz (3db) Distortion: 0.2% Left and right channel separation: 45db LINE IN connector: RCA two-channel Cinch (stereo) The microphone interface: 6.5mm (1/4inch Jack) Rated working voltage: DC 12~13.8V 5A/6A Maximum power consumption: 60W.
B0BNP4238Y Price: $349.99 Score: 5.952 Category: Electronics Rating: 5 Votes: 1 Find similar products DC Audio CS 1000x4 4-Channel Amplifier. The DC-CS1000x4 is a compact series amplifier capable of making 1,000 watts. Its High power 4 Channel amplifier. It has 4awg inputs and onboard clipping lights. Designed to make more power in less space. Output Power (RMS) 4 ohm 150Wx4 @ 14.4 Volts 2 ohm 240Wx4 @ 14.4 Volts 4ohm rms bridged power : 500W x 2 Key Features 2 ohm stable Variable low pass filter Variable High pass filter Full Range Output 9-16 Volts Capable Onboard clip light Full Specs: DC Amp Model:DC-SF1000x4 Input Sensitivity6V~0.2V Frequency Response10Hz~31KHz 24dB / Octave CrossoverYES High Pass50Hz ~ 5ooHz Low Pass50Hz ~ 5ooHz Crossover Selector SwitchHPF / FULL / LP Remote ControlNo Signal to Noise RatiodB105 Damping Factor100.	B08T5NVWVF Price: $7.84 Score: 5.952 Category: Electronics Rating: 2.9 Votes: 7 Find similar products 60W DC10-24V TPA3118 Subwoofer Amplifier Board, Mini Digital Audio Power Amplifier Module, Mono Channel Stereo Audio Amplifier Board. Specification: Model: XR-M311 Amplification type: Class D Work efficiency: 93% Chip Type: TPA3118 Supply voltage: DC10-24V Input current: 3A recommended Output power: 60W1 Frequency response range: 35Hz-88kHz Number of channels: Mono Impedance matching: 2-6 ohm Size: 554015mm / 2.161.570.59in Weight: Approx. 30g/1.06oz Package List: 1 Digital Amplifier Board Note: 1. Due to the difference between monitors and light effects, the pictures may not reflect the actual color of the item. 2. Please allow slight error due to manual measurement. Thanks for your understanding.