Reviews 400hz Intermediate Frequency

SSEYL FLUKE 17B+ Digital Multimeter F17B+

  • Multiple functions with Auto / Manual ranges, Large LCD display, 4,000 Counts update 3/sec.
  • Main Measurements : Frequency, Temperature, AC/DC A-V-Ohm , capacitance, Diode & Continuity , duty cycle test.
  • Frequency : 50Hz,500Hz,5.0KHz,50.00KHz,100Khz ,0.1%+3.
  • Capacitance : 40.00nF/400.0nF/4.0uF/40.0uF/400.0uF/1000uF, 5%+5.
  • Note: Fluke Chinese Factory made, Warranty Only Valid in China, Please know it before purchasing.
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Huanyang Water Cooled VFD Spindle Milling Motor 110V 1.5KW 24000RPM 400hz Φ80mm ER11 Collet for Wood Carving

  • The item is Water Cooled 110V-1.5KW 3 bearings Φ80mm spindle motor.(come with a 6mm collet).
  • NOTE:Need to be equipped with 110v 400hz variable frequency drive to use.Rated frequency of spindle is 400 Hz,If you input 220v voltage at 50hz or 60hz, it will damage the spindle..
  • stable performance,high precision bearing.
  • Application:wood carving/engraving machine, advertisement engraving machine,CNC machine, small sized processing center, high speed centrifuge etc..
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Tecsun H501 Digital Worldband AM/FM Shortwave Longwave Radio with SSB Reception, Dual Speakers, & MP3 Player, Matte Black

  • 【HF VFO /RF Generator 】It has 10kHz to 220MHz working ranges. 0.5PPM high precise Tcxo clock, the frequency is more accurate. Tuning step of 1Hz, 10Hz, 1kHz, 5kHz, 10kHz and 1MHz..
  • 【VFO for Ham SDR HAM QRP Transceiver】 Used as a local oscillator on Homebrew radio receivers (such as superheterodyne, SDR, direct conversion and Homebrew QRP transceivers) ， a simple RF/clock generator for calibration reference or clock generation，a common 128x64 I2C OLED SSD1306 display and Si5351 module..
  • 【Adjustable】Intermediate frequency (IF) offset (+ or -) is adjustable.The bar graph of the signal meter through the analogs input (ADC).I2C data transmission, only need 2 lines it can be connected to the display, with high stability and accuracy of frequency generation.
  • 【20 Band Presets】Equipped with generator function mode.Initial frequency, end frequency, sweep-frequency-step can be set. 20 band presets (shortcuts) for BCB and HAM frequencies.RX/TX mode selector for Homebrew QRP transceivers..
  • 【 Guarantee】 We providing 100% satisfactory service to every customer to make sure our customer can purchase with confidence. If you have any questions, please contact us, we will reply and improve in time..
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Planet Audio EC20B 3-Way Electronic Crossover with Remote Subwoofer Control

  • Provides three Filter circuits for a variety of set-up options.
  • Variable Low Pass: 32Hz to 250Hz, Variable High Pass: 40Hz to 400Hz.Bass Generator : Frequency response 10 Hz to 20 kHz, ±1 dB.
  • Frequency Multiplier: x1 or x20, Selectable Slope: 6dB or 18dB / octave.
  • Independent Front and Rear Level Controls, S / N: ≥ 85dB.
  • DC-to-DC Power Supply, Outputs for 3-Way or Front, Rear and.
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JUNSHUNTONG HF VFO for Ham SDR QRP Transceiver,20K-220MHz RF Generator Superheterodyne Receiver Debugger,Tcxo Clock,S-Meter, 20 Band presets

  • 【HF VFO /RF Generator 】It has 10kHz to 220MHz working ranges. 0.5PPM high precise Tcxo clock, the frequency is more accurate. Tuning step of 1Hz, 10Hz, 1kHz, 5kHz, 10kHz and 1MHz..
  • 【VFO for Ham SDR HAM QRP Transceiver】 Used as a local oscillator on Homebrew radio receivers (such as superheterodyne, SDR, direct conversion and Homebrew QRP transceivers) ， a simple RF/clock generator for calibration reference or clock generation，a common 128x64 I2C OLED SSD1306 display and Si5351 module..
  • 【Adjustable】Intermediate frequency (IF) offset (+ or -) is adjustable.The bar graph of the signal meter through the analogs input (ADC).I2C data transmission, only need 2 lines it can be connected to the display, with high stability and accuracy of frequency generation.
  • 【20 Band Presets】Equipped with generator function mode.Initial frequency, end frequency, sweep-frequency-step can be set. 20 band presets (shortcuts) for BCB and HAM frequencies.RX/TX mode selector for Homebrew QRP transceivers..
  • 【 Guarantee】 We providing 100% satisfactory service to every customer to make sure our customer can purchase with confidence. If you have any questions, please contact us, we will reply and improve in time..
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SYNCO Shotgun Microphone, Mic D30 Super Cardioid Condenser Microphone with Low Cut Filter, Real-time Monitoring System for DSLR/SLR, Smartphones, Camcorders, 3.5mm-Shotgun-Mic-for-Camera

  • 【Natural Sound Rendering】 To achieve better off-axis noise suppression and frequency response, SYNCO Mic-D30 microphone employs a unique interference tube, combined with the acoustic design of slanting air vents. It optimizes the voice in intermediate frequency and enriches the audio details in low frequency, delivering clean, crisp and nature sound..
  • 【Super High Sensitivity】 SYNCO D30 condenser mic provides a stepless analog gain dial, adjustable from -10dB to 15dB in the linear. You can subtly regulate the exact amount of gain increase or decrease as requested. Together with -24dB±2dB high sensitivity, Mic-D30 could capture very small acoustic wave to output clear, accurate sound..
  • 【75Hz/150Hz Low Cut Filter】 With ultra low-noise electronics, Mic-D30 on-camera mic generates little inherent noise. 75Hz/150Hz optional low cut filter further purifies the sound, removing most of low frequency noise caused by airflow, shake, electrical current, or traffic. You can choose 75Hz or 150Hz low cut on the basis of environment and using demand..
  • 【Real-time Audio Monitoring System】 A 3.5mm TRS headphone monitoring jac....
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PRINCE CASTLE Drive Motor Assembly 87-028AS

  • ATO 110v vfd, single phase 110v/120v input, single phase or three phase 220v output, achieve to run 220v AC motor on single phase 110v/120v power supply.
  • 【Voltage& Frequency】Input voltage: 1 phase 120V AC ±15%, Input frequency: 50Hz/60Hz,Output voltage: 1 phase or 3 phase 220V AC ±15%, Output frequency: 0.00~400.00Hz.
  • 【APPLICATION】ATO 7.5 hp 5.5kW variable frequency drive Can be widely applied to drive the AC motor, such as fans, pumps, power tools, etc.
  • 【TIPS】 To protect the variable frequency drive and Motor, you need an upstream protection, add a line-choke upstream the VFD, this will reduce the current transients seen by the input of the VFD.
  • 【CUSTOMER FIRST】If you have no experience in driving a VFD, be sure to refer to the instructions before operating a VFD.If you are not sure about the size or have any issue about the product or service, please don't hesitate to email us. We will answer you within 12h.
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Water Cooled CNC Spindle Milling Motor 220V 2.2KW 24000RPM 400hz Φ80mm ER20 Collet HUANYANG CNC VFD Motor Factory Direct Sales

  • The item is Water Cooled 220V-2.2KW 3 bearings Φ80mm spindle motor.(come with a 6mm collet).
  • NOTE:Need to be equipped with 220v 400hz variable frequency drive to use.Rated frequency of spindle is 400 Hz,If you input 110v voltage at 50hz or....
  • Lubricated with grease, which is resistant to 200 degrees high temperature..
  • Adopt precision steel ball holder to ensure the rotation precision of the spindle in high speed grinding..
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ALPINE X-A90V 900 Watt 5-Channel X-Series Car Audio Amplifier Class-D+Amp Kit

  • Package Includes: (1) Alpine X-A90V 900 Watt 5-Channel X-Series Car Audio Amplifier Class-D Amp. (1)RockvilIe RWK42 4 Gauge 4 Chan Car Amp Wiring....
  • Low level: .2 - 4V. Frequency Response: 4-channel: 10 - 60,000Hz Sub channel: 8 - 400Hz. 4-channel: 10 - 60,000Hz. Sub channel: 8 - 400Hz. Total....
  • 4-channel: 10 - 60,000Hz. Sub channel: 8 - 400Hz. Features: RockvilIe RTR252 2 Channel - Dual 25 Foot High Grade Twisted Pair RCA Cable. Oxygen Free....
  • RockvilIe RWK42 4 Gauge 4 Channel Car Amplifier Wiring Installation Kit. (2) 17 High Grade Twisted Pair of 100% Copper RCA Cable. 17 4 Gauge....
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2.2KW Water Cooled Spindle Motor ER20 24000rpm 400Hz+2.2KW VFD Inverter Variable Frequency Driver 110V+80mm Clamp+80W Pump+6m Pipe+14pcs Collet CNC Kit for CNC Router Engraving Milling Machine

  • ♞【2.2KW Water Cooled Spindle Motor】Operating Speed:0-24000rpm.
  • ♞【2.2KW Inverter VFD 110V】Input Voltage: 110V(+/-15%).
  • ♞【80mm Clamp】Diameter: 80mm Material: Aluminum,Cast aluminum.
  • ♞【80W Water Pump+6M Pipe】Pump length:3.2m.
  • ♞【14Pcs ER20 collet】Full set including 1mm, 2mm, 3mm, 3.175mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm.
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American Bass Black 3 Way Electronic Crossover w/Remote Bass Knob ABX 3.1A

  • This Listing Includes: (1) Crossover (1) Bass Knob.
  • Supply Voltage: 11-15V DC - Input Current: 0.3A Max - Distortion: 0.01% THD.
  • Frequency Response: 10Hz- 50KHz - 3dB - S/N Ratio (A Weighted): More than 95dB - Separation: 60dB.
  • Front High-Pass (x1): 35-400Hz - Front High-Pass (x20): 700-8KHz - Rear High-Pass (x1): 35-400Hz - Sub Low-Pass: 45-250Hz.
  • Input Impedance: More Than 10K Ohms - Output Impedance: Less Than 1K Ohms - Output voltage Level: 8 Volts Max.
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Rockville SS8P 400w 8 Slim Under-Seat Active Powered Car/Truck Subwoofer Sub,Black

  • Rockville SS8P 8" 400w Slim Under-Seat Active Powered Car/Truck Subwoofer Sub..
  • Enclosure is made out of cast aluminum which stays cool at all times. Peak Power Handling: 400 Watts..
  • RMS Power Handling: 100 Watts. Heavy Duty Mounting Feet. PWM MOSFET Power Supply. Low Level RCA Input. High Level Inputs with Auto Turn-On Technology. Adjustable Input Sensitivity. Soft Delayed Remote Turn-On. Thermal Protection Circuit, Short Protection Circuit. Overload Protection Circuit. Green Power/Red Protect LED. Phase Switch: 0° or 180°..
  • Low Pass Filter: 50Hz - 150Hz. Bass Boost: 0 - 12dB @ 45Hz. Built in Subsonic Filter @ 20Hz. THD: < 0.4%. Subwoofer Level Remote Control. Fuse Rating: Single 15A..
  • Specifications: Peak Power 400 Watts. RMS Power: 100 Watts. Impedance: 4 Ohm. Dimensions (L x W X H): 11.4" x 8.3" x 2.8" Inches. Frequency Response: 20Hz - 150Hz. Signal to Noise Ratio: >90dB. Sensitivity: 90dB @ 1w / 1m. Input sensitivity, Low level: 300mV. Input sensitivity, High level: 1.0V.
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Pyle PL63BL 6.5' 360W 3-Way Car Coaxial Speakers Audio Stereo, Blue (Pair) and PL6984BL 6x9' 400W 4-Way Car Coaxial Speakers Audio Stereo, Blue (Pair)

  • PYLE PL63BL: 6.5'' Three way 360 Watt Speaker Systems with Power Handling: 360 Watt MAX, 180 Watt RMS for peak performance.
  • 1'' High Temperature ASV Voice Coil for total quality sound.
  • DESIGN: Standard 6.5'' Size Fits OEM Locations.
  • Includes Grills, Wires And Mounting Hardware.
  • PL6984: 6'' X 9'' 400 Watt Four way Speaker Systems complete with Power Handling of 200 Watts Rms / 400 Watts Max for quality audio performance.
  • FEATURES: 1.25'' High Temperature ASV Voice Coil.
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