Reviews Amplifier Circuit

Dasiter OCL Amplifier Board Kit Dual 100W High Power Two-Channel Pure Final Stage DIY Audio Stereo Amplifier Module Parts

  • Circuit Board Size: Glass Fiber Board 22.4cm*7cm, Working Voltage: Double AC 12V.
  • Fully Separated Components, Four High-power Triodes, Two Stereo Channels, Each Channel can Reach to 100W..
  • The Power Amplifier Circuit of Household Power Amplifier and Active Speaker has a Good Effect..
  • This Power Amplifier Uses a Typical OCL Circuit, Which Has the Advantages of High Stability, Wide Frequency Response Range, Good Fidelity, etc. This Circuit is Often Used in High-Fidelity Sound Reproduction Equipment..
  • This OCL Stereo Amplifier is Suitable for the Assembly and Uuse of Electronic Enthusiasts and Audiophiles..
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Matched Pair 7-Pin GE JAN 5654W Vacuum Tubes Upgrade for 6AK5/6J1/6Ж1/ EF95/6J1P

  • About Tube + Transistor Hybrid amplifier： Front tube amplifier and rear transistor combine the advantages of two amplifier circuits to achieve the....
  • Tube Amplifier ：Adopt four 6J1 tubes for pre amp, making voice sweet and exquisite..
  • Transistor for Class-A amplifier： Adopt transistors for class A buffer, output power up to 2000mW, can easily drive many kind headphones..
  • XLR and 4. 4mm balanced input/output： It has XLR and 4.4mm balanced input, 4-pin XLR and 4.4mm balanced output, rich and diverse interfaces,....
  • Built-in Mute Circuit： It built-in relay for mute circuit when turn on amplifier to avoid POP noise and make sure the tube is worked at its best....
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HiFi Headphone Amplifier Portable 3.5mm Stereo Earphone Audio Amplifier 200Mah Lithium Battery Mobile Phone

  • HIFI SOUNDThe HIFI sound make noise reduction and dynamic enhanced distortion, is perfect pure stereo effect and high definition music sound quality optimization..
  • MINI HIFI POWER AMPLIFIERThe mini HiFi power amplifier is delicate, small, and portable. The enhanced output can enjoy high definition and the high level sound effects at all times..
  • WIDE COMPATIBILITYThe stereo amplifier ia specially designed for mobile phones, can also be used for car audio, outdoor speakers, etc. The 3.5 mm AUX input and output, 95DB SNR and THD + N < 0.006%, not only can output louder voice, but also can output a clearer, more real stereo.
  • 200MAH LITHIUMThe headphone amplifier use rechargeable lithium battery, it adopts 200mah capacity rechargeable lithium battery that can work for a long time..
  • HIGH DEFINITION STEREO SOUNDYou can improve the sound quality of your smartphone so that you can enjoy high definition pure stereo sound without losing the truth.DescriptionDescription:.
  • Are you still worried about this? Every time you listen to a song on your cell phone, the sound is stiff, dry and cold. Low frequency reduction is insufficient, listening is weak, audio output has digital flavor bias. From now on, you won't be troubled by these problems any more. This sound amplifi....
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Antronix High Performance 8-Way Cable TV Splitter CMC2008U OTA Coaxial 5-1002M

  • Four port amplifier with a passive return path provides an increase of +7.5 db per port. Reduces snow and prevents image pixelation with digital cable, boosts antenna (OTA) signals for distribution to multiple TVs. May improve cable modem performance. May improve HDTV reception..
  • Compatible With All Standard And Digital Cable TV Services, OTA Antenna Reception. Not compatible on systems with an existing amplifier or pre-amplifier. Exceeds all SCTE Standards..
  • 6 kV surge protection for protection against lightning strikes. The nickel plated housing provides the excellent corrosion resistant protection against salt fog and rust. 5 Year Warranty (amplifier only)..
  • 3 dB Noise Figure provides clean amplification of weak signals to overcome the poor noise figure in TV tuners and converters. 6 kV Combination Wave Surge Protection Unique surge protection on all ports..
  • PTC Short-Circuit Protected UL Listed Adaptor – Self-resetting circuit protection provides safe protection against short-circuits to minimize outage times. Includes Amplifier, Power Supply, 36 inch coaxial cable and two 75-ohm port terminators..
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Lanzar HTG157 3000W Mono MOSFET Car Audio Power Amplifier Amp Stereo with 2 Ohm Impedance Nickel RCA Inputs and Boss Audio AKS8 Amp Kit

  • AMPLIFIER: LANZAR HTG157 3000W 2-Ohm Mono Block MOSFET Car Audio Amplifier with Bass Boost Circuit with a Boss 8 Gauge Amplifier Installation Kit.
  • WATTAGE: This Amplifier will supply your system with 3000 Watts of MAX Power.
  • FEATURES: an electronic crossover network, bass boost circuit, nickel RCA inputs and line outs for left and right channel.
  • SPECIFICATIONS: Freq. Response:10Hz 45KHz.
  • DIMENSIONS: 12.99''(L) x 2.24''(H) x 8.81''(W).
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Douk Audio U5 Mini Fully Balanced Headphone Amplifier for XLR / 4.4mm Headsets

  • 【Fully balanced headphone amplifier】Adopting fully balanced amplifier circuit and innovative circuit design, the amplifier circuit of U5 always works at a high voltage of 24V even if input DC 5V, with wide frequency response extension, excellent transient response, excellent purity and transparency, and good dynamic range..
  • 【Easily to drive low or high impedance headphones】For a total power output of up to 1400mW under a 32Ω load, U5 can easily power headphones with any low or high impedance (18-600Ω). Volume knob allows you to smoothly adjust volume without any undesirable noise nor any channel imbalances..
  • 【Pure analog design to reproduce music truly】Pure analog amplification circuit and analog control, show you the truest sound, all aspects are in the top-class such as sound field, sound position, details etc.. Adopt original JRC4580 classical op amp, pluggable socket design, convenient to upgrade different op amps to enjoy other sound styles..
  • 【Most cost-effective amp on the market】Mini size and exquisite appearance, and with low distortion, high power and a pure, uncolored sound, you’ll experience subtle details and shocking swings in your music effortlessly. U5, the best helper for all xlr/4.4mm headphones to improve their soun....
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4-Port Cable TV/Antenna/HDTV/Internet Digital Signal Amplifier/Booster/Splitter/Equalizer with Passive Return, F59 Terminators (Lindsay LSA84-EQ8)

  • This is a TV signal amplifier which provides one input and four outputs, for connecting multiple TV sets or cable boxes. Allows multiple devices to connect to an antenna or cable system without losing signal quality..
  • Amplifier includes an integrated equalizer which varies amplifier gain. The equalizer provides more amplification to high frequency signals, which tend to get weaker over long cable runs. All ports provide an amplified signal, with a minimum gain of +0dB @ 54MHz up to +7.5dB gain @ 1000MHz..
  • Suitable for Antenna or Cable TV use. Compatible With All Standard And Digital Cable TV Services, OTA Antenna Reception. Not compatible on systems with an existing amplifier or pre-amplifier. Not compatible with satellite systems..
  • Meets or exceeds all SCTE Standards. PTC Short-Circuit Protected UL Listed Adaptor - Self-resetting circuit protection provides safe protection against short-circuits to minimize outage times. Amplifier has 6 kV ring wave surge design for protection against voltage spikes. Operating temperature: -40 to +60 ºC (-40ºF to +140ºF). 15 PSI weather-tight seal..
  • Prevents image pixelation with digital cable, boosts antenna (OTA) signals for distribution to multiple TVs. May improve cable modem performance. May improve HDTV recepti....
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LEE DAN PK-543A 5-4-3 WIRE APARTMENT INTERCOM AMPLIFIER

  • Integrated circuit amplifier including amplifier with frequency response adjusted for best voice articulation.
  • AC or DC operation with selectable timing.
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4-Port Cable TV/Antenna/HDTV/Internet Digital Signal Amplifier/Booster/Splitter with Passive Return, F59 Terminators (Lindsay LSA84)

  • This is a TV signal amplifier which provides one input and four outputs, for connecting multiple TV sets or cable boxes. Allows multiple devices to connect to an antenna or cable system without losing signal quality..
  • Suitable for Antenna or Cable TV use. Compatible With All Standard And Digital Cable TV Services, OTA Antenna Reception. Not compatible on systems with an existing amplifier or pre-amplifier. Not compatible with satellite systems..
  • Meets or exceeds all SCTE Standards. PTC Short-Circuit Protected UL Listed Adaptor - Self-resetting circuit protection provides safe protection against short-circuits to minimize outage times. Amplifier has 6 kV ring wave surge design for protection against voltage spikes. Operating temperature: -40 to +60 ºC (-40ºF to +140ºF). 15 PSI weather-tight seal..
  • Prevents image pixelation with digital cable, boosts antenna (OTA) signals for distribution to multiple TVs. May improve cable modem performance. May improve HDTV reception. Includes Amplifier, Power Supply, and two 75-ohm terminators..
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Amplifier, Cable TV RF Broadband 8dB Gain Four Output 5-1002Mhz w/ Power Adapter

  • Four port amplifier with a passive return path provides an increase of +7.5 db per port. Reduces snow and prevents image pixelation with digital cable, boosts antenna (OTA) signals for distribution to multiple TVs. May improve cable modem performance. May improve HDTV reception..
  • Compatible With All Standard And Digital Cable TV Services, OTA Antenna Reception. Not compatible on systems with an existing amplifier or pre-amplifier. Exceeds all SCTE Standards. Coaxial cables are not included..
  • 6 kV surge protection for protection against lightning strikes. The nickel plated housing provides the excellent corrosion resistant protection against salt fog and rust. 5 Year Warranty (amplifier only).
  • 3 dB Noise Figure provides clean amplification of weak signals to overcome the poor noise figure in TV tuners and converters. 6 kV Combination Wave Surge Protection Unique surge protection on all ports..
  • PTC Short-Circuit Protected UL Listed Adaptor - Self-resetting circuit protection provides safe protection against short-circuits to minimize outage times..
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4-Port Cable TV/Antenna/HDTV/Internet Digital Signal Amplifier/Booster/Splitter with Passive Return, Coax Cable, F59 Terminators (Antronix MRA4-8)

  • Four port amplifier with a passive return path provides an increase of +7.5 db per port. Reduces snow and prevents image pixelation with digital cable, boosts antenna (OTA) signals for distribution to multiple TVs. May improve cable modem performance. May improve HDTV reception..
  • Compatible With All Standard And Digital Cable TV Services, OTA Antenna Reception. Not compatible on systems with an existing amplifier or pre-amplifier. Exceeds all SCTE Standards..
  • 6 kV surge protection for protection against lightning strikes. The nickel plated housing provides the excellent corrosion resistant protection against salt fog and rust. 5 Year Warranty (amplifier only)..
  • 3 dB Noise Figure provides clean amplification of weak signals to overcome the poor noise figure in TV tuners and converters. 6 kV Combination Wave Surge Protection Unique surge protection on all ports..
  • PTC Short-Circuit Protected UL Listed Adaptor – Self-resetting circuit protection provides safe protection against short-circuits to minimize outage times. Includes Amplifier, Power Supply, 36 inch coaxial cable and two 75-ohm port terminators..
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200W 15A RCA Noise Suppressor - Designed for Audio Signals & to Eliminate Noise, Isolation Transformer, Used w/ Amplifier or EQ, Install w/ RCA Jacks & Unique Noise Detection Circuit - Pyramid NS20

  • DESIGNED TO ELIMINATE NOISE: The NS20 Noise Suppressor eliminates unwanted noise and hum without altering car audio natural tone. It's the perfect pedal to quiet down any pedalboard or effects setup.
  • USED WITH AMPLIFIER OR EQ: Eliminate ground loop humming and buzzing noise between an audio source and an amplifier. When used with car audio, this isolation circuit goes between the head unit and the amp or EQ.
  • UNIQUE NOISE DETECTION CIRCUIT: Power supply noise of igniter produces filtration effect, make the sound effect is better This NS20 Unique noise detection circuit preserves the natural attack and envelope of an instrument's sound.
  • RCA PLUGS: When connecting it to your amplifier just plug in the RCA Jacks that fit your amplifier and plug the other end into your Stereo. Tried plugging the RCA cables that were connecting to the amp into it, as well as the radio RCA.
  • 200W & 15A HIGH QUALITY: Keep Safe! The body item is covered by copper material, having high temperature and melting resistant function. Prevent the item from short circuits. Keep safe in your car.
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60A Inline Circuit Breaker Stereo Audio Amplifier Manual Reset Waterproof 12V-48V DC for Automotive Marine Boat RV Audio System Protection (60 Amp)

  • 60A Inline Circuit Breaker, compatible with all 12V-48V Systems.
  • Circuit breaker can protect the amplifier from being damaged by the over load current or voltage while the power supply can also be protected to avoid battery crack and explosion caused by short circuit.
  • Suitable for car audio/video system, boat, trucks, buses, RV's, ATV winches, marine and DC sound amplifier system overload protectionl reset, just press on the button and the circuit will close/open.
  • Manual reset, just press on the button and the circuit will close/open high quality materials, high tech water resistant housing that's good for conductivity, strong temperature and pressure resistance.
  • Made of high quality materials, high tech water resistant housing that's good for conductivity, strong temperature and pressure resistance.
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