Reviews Low Frequency Power Transformer

Dayton Audio SPA1000 1000W Subwoofer Plate Amplifier

  • High power Class-AB output stage for clean, controlled output.
  • Patented tracking downconverter power supply for high efficiency.
  • Low frequency parametric EQ allows you to boost or cut for custom-tailored sound.
  • Advanced soft clip circuitry improves headroom and protects woofers.
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Dayton Audio SPA500 500W Subwoofer Plate Amplifier

  • High power Class-AB output stage for clean, controlled output.
  • Patented tracking downconverter power supply for high efficiency.
  • Low frequency parametric EQ allows you to boost or cut to custom-tailor sound.
  • Advanced soft clip circuitry improves headroom and protects woofers.
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Onkyo A-9110 Home Audio Integrated Stereo Amplifier - Black

  • SUPERIOR SOUND. High-current EI transformer makes sure that sound quality doesn't suffer. Large custom audio capacitors and a discrete output stage..
  • AMP TECHNOLOGY. Wide Range Amplification Technology delivers high-current power stability via large custom capacitors, while low-NFB amps capture depth and spatiality for a wide frequency spectrum with low distortion..
  • AUTHENTIC AUDIO. Direct Mode bypasses tone and PM Bass circuitries. In combination with a refined amp circuit design, signal-pathlengths have been significantly reduced in comparison to the A-9010 for even more accurate and faithful sound..
  • BASS BOOST. Phase Matching Bass Boost eliminates phase-shift between low- and mid-range frequency bands. Bass response is enhanced without compromising vocal clarity, which is especially useful when playing music at low volumes..
  • FEATURES. 50 W + 50 W (4 ohms, 20 hz–20 kHz, 0.9% THD, 2-ch Driven, FTC). Remote controller..
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Time Collapsing-The New Art of Speed, Money, Power & Meaning

  • SUPERIOR SOUND. High-current EI transformer makes sure that sound quality doesn't suffer. Large custom audio capacitors and a discrete output stage..
  • AMP TECHNOLOGY. Wide Range Amplification Technology delivers high-current power stability via large custom capacitors, while low-NFB amps capture depth and spatiality for a wide frequency spectrum with low distortion..
  • AUTHENTIC AUDIO. Direct Mode bypasses tone and PM Bass circuitries. In combination with a refined amp circuit design, signal-pathlengths have been significantly reduced in comparison to the A-9010 for even more accurate and faithful sound..
  • BASS BOOST. Phase Matching Bass Boost eliminates phase-shift between low- and mid-range frequency bands. Bass response is enhanced without compromising vocal clarity, which is especially useful when playing music at low volumes..
  • FEATURES. 50 W + 50 W (4 ohms, 20 hz–20 kHz, 0.9% THD, 2-ch Driven, FTC). Remote controller..
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SUNVIE Low Voltage Transformer 60W Landscape Lighting Transformer with Timer and Photocell Sensor 120V AC to 12V DC Waterproof for Outdoor LED Spotlights Garden Pathway Landscape Lights, ETL Listed

  • 【Built-in dusk to dawn photoelectric sensor 】 SUNVIE 60W low voltage landscape transformer has a built-in photoelectric sensor, will automatically turn on at dusk and turn off at dawn. Convert the household's 120V AC voltage into a 12V DC safe voltage to provide you with a safer and more stable low-voltage lighting power supply..
  • 【Countdown Function】 Built in timing function. In the countdown timer mode, the transformer will automatically turn on at dusk and turn off automatically after 2/4/6/8 hours..
  • 【Memory Function】 The low voltage transformer will keep your previous settings, even if there is a power outage or power failure, there is no need to frequently adjust the settings of the transformer. (The transformer needs to run for more than 24 hours in the mode you set before , the memory function will start to work).
  • 【Easy to Operate & Install】 The landscape lighting transformer come with 3.3 ft STJW 18AWG power cord. Connect the connected wiring to the transformer. Then turn on the power to enjoy the landscape lighting from dusk to dawn. Press the setting key to set Always ON/AUTO/Countdown Timer mode in sequence. The total power of landscape lighting should not exceed 80% of the transformer capacity..
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Honeywell L8148A1017 Immersion-Type Controller

  • Includes transformer to provide power for the low voltage control circuit.
  • Operating Range, High Limit: 140F to 240F.
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TOPINCN 6J1 Vacuum Electron Tube Valve Preamp Amplifier Board Headphone Amp Parts Preamplifier Musical Fidelity Kit AC12V 0.8A

  • Connect the 6J1 tube pre-amp between sound source and amplifier, it will effectively filter digital flavor, the music and human voice will be relatively good.
  • Eight 470UF capacitor filter is very clean, excellent power system to no hum, filaments are powered with DC 12V and need to be connected in series in order to reduce noise.
  • Coupling capacitor is electrodeless electrolytic capacitor with high frequency and low resistance.
  • Using DC 5.5*2.1 socket and AC 12V transformer, you can also use AC 12V transformer without plug, just need to weld the power cord onto the circuit board.
  • This kit comes in parts so you can assemble them together by yourself, enjoy the process of building your own tube amplifier.
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600VA 360W Back UPS Battery Backup Intelligent LCD Battery Backup and Surge Protector,Uninterruptible Power Supply,Battery Backup for Computer

  • 600VA/360W Intelligent LCD Battery Backup Uninterruptible Power Supply(UPS)System uses simulated sine wave output,provides overload and short circuit protection,as well as battery over-charge and over-discharge protection..
  • 6 NEMA 5-15R OUTLETS:3 battery backup&surge protected outlets.
  • INPUT:NEMA 5-15P 3Pin plug with five foot long power cord..
  • Intelligent LCD Panel:Displays real-time detailed information about battery and power status.More clarity which including:input voltage output voltage battery load capacity..
  • AVR voltage regulator: allow to accept a wider range of input voltage, reduce UPS switching to battery inverter, thereby extending battery life, low transformer design compared to high frequency transformer design, higher safety, more reliable, less explosion failure rate..
  • Battery/warranty: all equipment adopts famous brand battery - Loech battery.
  • The whole machine has a 2-year warranty,and the original battery has a 1-year warranty..
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GOODSMANN 120W Outdoor Low Voltage Transformer with Timer and Photocell Sensor, 120V AC to 12V AC, Realtree Xtra Transformer for Landscape Lighting Garden Lighting

  • .../10 hours. / Turn on at dusk, Turn off at any time/ Turn at any time, Turn off at any time).
  • DURABLE & REALTREE XTRA DOOR PANEL: Realtree Xtra door panel opening and closing design, dust and moisture protection effectively protect the built-in settings while maintaining the overall aesthetics and design, protect the transformer from adverse weather conditions, corrosion resistance, Withstands years of use.
  • LANDSCAPE LIGHTING TRANSFORMER: The low voltage transformer will remain the mode you selected before, even when power outage, so you don’t need adjust it frequently. Realtree Xtra landscape transformer to meet your low-voltage lighting needs, compatible with all low-voltage landscape lighting systems.
  • OPTICAL SENSOR TECHNOLOGY: The photocell sensor the amount of light in its surrounding to automatically power lights at dusk and turn them off at sunrise.
  • EASY TO OPERATE & INSTALL: The Goodsmann landscape lighting transformer with 38in power cord. Equipped with mounting screws, the transformer can be easily hung on the wall, connect the connected wiring to the transformer. Then turn on the power and set the mode according to your lighting preferences (The total power of landscape lighting should not exceed 80% of the transformer capacity.).
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Behringer ULTRAGRAPH PRO FBQ1502 Audiophile 15-Band Stereo Graphic Equalizer with FBQ Feedback Detection System

  • Professional 15-band stereo Graphic Equalizer for both live and studio applications.
  • Revolutionary FBQ Feedback Detection System instantly reveals critical frequencies and can also be used as Audio Analyzer.
  • Dedicated mono subwoofer output with adjustable crossover frequency.
  • Ultra low-noise audio operational amplifiers offer outstanding sound performance.
  • Shielded toroidal power transformer for ultra low-noise performance.
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