Reviews Variable Voltage

Skar Audio SKA7EQ 7 Band 1/2 DIN Pre-Amp Car Audio Graphic Equalizer with Aux Input and High Voltage RCA Outputs

6 Channel 7-Band High Performance Car Audio 1/2 DIN Pre-Amp Electronic Equalizer.
Featuring 2 (Balanced & Selectable) RCA Inputs - Main and Auxiliary (Aux w/ Variable Gain Control) | THD: 0. 005%.
High Voltage (Max Output Voltage - 7V) Gold Plated Pre-Amp RCA Outputs - Front, Rear, and Subwoofer (with Variable Subwoofer Level Control on Front of EQ).
7 Fully Adjustable -12 dB to +12 dB EQ Bands (50 Hz, 125 Hz, 320 Hz, 750 Hz, 2. 2 kHz, 6 kHz, 16 kHz) with Built-in Fader Control.
Take Full Control Over Your Car Audio System with this EQ | Signal-to-Noise Ratio: 100 dB, Low Pass Frequency Switch: 60 Hz / 120 Hz.

6 Channel High Performance Car Audio 1/2 DIN 7-ban Electronic Graphic Equalizer.
High Voltage (Max Output Voltage-8 Volt ) Gold Plated RCA Outputs - Front, Rear, and Subwoofer (with Variable Subwoofer Level Control on Front of EQ).
3.5mm Front aux input 2-channel RCA aux input with variable gain adjustments and high level speaker inputs,7 Fully Adjustable -12 dB to +12 dB EQ Bands (50 Hz, 125 Hz, 320 Hz, 750 Hz, 2. 2 kHz, 6 kHz, 16 kHz) with Built-in Fader Control.
Blue illumination independent master volume and subwoofer level Control with fader control select able 12Db low-pass Filer (60Hz or 90Hz).
Included components: Installation Brackets and Hardware.

High-voltage Class A 12AX7 vacuum-tube mic/instrument Preamplifier.
Gain, tube drive, HP filter, -20 dB pad, Phantom power, polarity reverse3-band EQ features variable-q on mid-band w/ peak/shelving on high- and low-bands.
Variable VCA compressor with auto attack/release and soft/hard Knee.
3-Band EQ with parametric mid and semi-parametric, shelving/peak low and high bands.
1U 19” rack-mountable, rugged steel chassis.

AC/DC Voltage up to 1000V, AC/DC current, resistance, frequency, capacitance, temperature, duty cycle.
Dual thermocouple to take simultaneous temperature readings on low/high side of HVAC systems.
Low pass filter for variable frequency drives.

2000VA variable voltage regulator input voltage: 110VAC / 60Hz. It is a contact voltage regulator with wide voltage range (0-130V)..
The autotransformer with a exquisite rotating handle,comfortable grip and flexible operation, easy to control output voltage what you need..
The auto transformer is built-in good quality material copper coil, and with thermal grid design is more easy let the machine cool, more secure and....
This 2KW autotransformer be widely used in motor speed control, label printing machine, EE labs, test for railroad switching, power supplies,....
Please note that most device have surge (when first turn on) much higher than operating amp rating. E.g, motor with 10 amp rating may have over 20 amp....

ATO 1 hp 110v VFD, 0.75 kW single phase 110v/120v input, single phase or three phase 220v output variable frequency drive. Running your 1 phase/3 phase motors on 120 volt supply via ATO VFD.
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 110V Variable frequency drive can be widely applied to drive the AC motor, such as fans, pumps, power tools, etc..
【TIPS】: Choose a VFD base on motor rated current: VFD output current ≥ motor rated current.
【CUSTOMER FIRST】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.

1. Button pen: Press the button to turn on/off, preheat and voltage settings. 2. Switch: Press the button 5 times to turn on/off. 3. Variable tension: Press the button 3 times to adjust the voltage: 2.6V green, 3.3V blue, 4.0V red. 4. Preheat function: Press the button twice to preheat. Press the button once to stop preheating..

Package includes: 10 pcs of 1K ohm-1M ohm single linear variable resistor, each with plastic knobs set (B1K B2K B5K B10K B20K B50K B100K B250K B500K B1M). Portable kit with a selection of different ohm pots..
Usage: Single linear, type B, these rotary taper poteniometer values are marked with a readable string, two terminals are connected to both ends of a resistive element, and the third terminal connects to a wiper, moving over the resistive element, functioning as a variable voltage divider and current limiter..
With Storage Box: All the items are packed inside a plastic box with compartments that keeps these small parts organized. Easy to carry and keep them free from damage..
Applications: Used for volume control of audio sets, car radios, amplifiers, mixers, synthesizers and other appliances. For electronic circuit projects that need adjustable voltage dividers, and for tuning and calibration..
Please test the resistance on them before using, if they are not suitable or with other problems, please come to us and we promise a 30-day money-back guarantee and lifetime customer support for your satisfaction..

Manufactured with the highest quality materials and include laptop safeguard features against incorrect voltage, short circuit, internal overheating. 100% COMPATIBLITY (*Smart Chip Technology) with the original..
CE/FCC/RoHS certified, tested by manufacturer to match specifications of OEM products. *Safe *Peace Of Mind.
Worldwide Input Voltage: 100-240VAC/50-60Hz.
Safety: Over Voltage Protection, Short Circuit Protection, Over Current Protection.
Output Variable: 19.5V 3.34A 65W (also compatible to 19.5V 2.31A 45W)^^Brand New With 1 Year Worry-Free Warranty^^*Ships From USA*^^100% Compatible Replacement Adapter, NOT an Original DELL product.