Best Amplifier Circuits

Snap Circuits Explore Coding, STEM Building Toy for Ages 8 to 108, Amazon Exclusive

Build over 750 experiments with 80 parts.
Experiments include: sound activated switch, Lie detector, adjustable light controller, Am radio, rechargeable battery and many more!.
Parts included: Photo resistor, power amplifier, variable capacitor, Analog meter, solar Cell, computer interface, full color manuals.
No soldering - no tools - it's a snap! Snap Circuits parts require no tools and and click together to ensure solid electrical connections.
With the included software and pc-interface cable, your child can view waveforms and frequencies, just like an electronics engineer. How cool is that?!.

Has the functions of remote system monitoring and diagnosis, return loss, and AC signal logarithmic ratio..
Using Printed Circuit Board1.6mm thick double‑sided board, the whole process of spraying tin to ensure good current passing performance..
Precise radio frequency power control, precise gain measurement scale, improve efficiency..
Measure gain, loss and phase up to 2.7GHz, dual demodulation logarithmic amplifier and phase detector, input range in 50Ω system ‑60dBm to 0dBm..
Various measurements, AD8302 can measure the gain and phase difference of amplifiers, mixers and other circuits..

WHAT YOU GET: 2 pcs car audio inline circuit breaker with manual reset fuse holder & 4pcs AWG 4-3/8 copper terminal.
Package Size: 9.4inch (L) x 6.3inch (W) x 0.4inch (H).
SAFE PROTECTION: 150A inline circuit breaker has two modes: current overload disconnection and manual disconnection. The resettable fuse can prevent surges from damaging your amplifier and protect your trolling motor from electrical damage..
WATERPROOF & DURABLE: 12V-24V inline circuit breaker is made with high-quality plastic and metal parts. It has good electrical conductivity, temperature, and pressure resistance, and can be waterproof and dustproof. Can be installed on the panel or firewall, and the fuse can be replaced..
WIDE APPLICATION: DC inline circuit breaker is usually used in auxiliary and accessory circuits for car audio and video systems, trucks, buses, RVs, ATV Winches, and marine applications. Also used in battery charges and DC sound amplifier system..
MOST SATISFACTORY SERVICE: If there is something about our product that makes you unsatisfied, please communicate with us in time, we will do our best to solve your problem until you are satisfied. Thank you for your understanding..

Build over 750 experiments with 80 parts.
Experiments included: sound activated switch, lie detector, adjustable light controller, am radio, rechargeable battery and many more. Use your....
Parts included: photoresist or, power amplifier, variable capacitor, analog meter, solar cell, computer interface, full color manuals.
Snap-Circuits have received the following Awards: National Parenting Center-Seal of Approval, Creative Child ?Toy of the Year.
Toy Industry Association - Specialty Toy of the Year, Dr. Toy 100 Best Children's Products, Dr. Toy 10 Best Educational Products.

Product 1: Build Over 750 Experiments With 80 Parts.
Product 1: Toy Industry Association - Specialty Toy Of The Year, Dr. Toy 100 Best Children's Products, Dr. Toy 10 Best Educational Products.
Product 1: Parts Included: Photoresist Or, Power Amplifier, Variable Capacitor, Analog Meter, Solar Cell, Computer Interface, Full Color Manuals.
Product 1: Includes Snap case 7 Heavy Duty Plastic Case With Custom Foam Inserts For Housing Your Snap Circuits Parts.
Product 2: Build over 500 experiments with 76 parts.

Product 1: Build Over 750 Experiments With 80 Parts.
Product 1: Toy Industry Association - Specialty Toy Of The Year, Dr. Toy 100 Best Children's Products, Dr. Toy 10 Best Educational Products.
Product 1: Parts Included: Photoresist Or, Power Amplifier, Variable Capacitor, Analog Meter, Solar Cell, Computer Interface, Full Color Manuals.
Product 1: Includes Snap case 7 Heavy Duty Plastic Case With Custom Foam Inserts For Housing Your Snap Circuits Parts.
Product 2: Build over 175 amazing projects with over 55 color coded circuit components.

Product 1: Build Over 750 Experiments With 80 Parts.
Product 1: Toy Industry Association - Specialty Toy Of The Year, Dr. Toy 100 Best Children's Products, Dr. Toy 10 Best Educational Products.
Product 1: Parts Included: Photoresist Or, Power Amplifier, Variable Capacitor, Analog Meter, Solar Cell, Computer Interface, Full Color Manuals.
Product 1: Includes Snap case 7 Heavy Duty Plastic Case With Custom Foam Inserts For Housing Your Snap Circuits Parts.
Product 2: With this building toy, young engineers can assemble over 100 different electronic circuit projects with just 30+ electronic parts..

Top level quality parts, classic appearance: chrome plated handles,gold plated connectors, gold tube sockets,NICHICON/ELAN capacitors from Japan, ALPS potentiometer, IEC Power supply socket,230V/115V switch..
With tubes KT88, this unit can deliver balanced and colorful tone , a perfect choice to play vocal , symphony and classic music..
The best channel isolation is provided by four over-sized transformers with independent DC filtering circuits..
Another feature is that it comes with a subwoofer output, for those who want to connect an active sub to the system..
This integrated amplifier is compatible with most speakers, perfectly for vocals, symphony, and classical music, definitely a good choice for audiophiles..

Bundle includes: JOYO PXL8 Foot Pedal Controller & Power Supply. This bundle contains 2 items (may be shipped separately)..
JOYO PXL8 is a 8 groups (FX LOOP) foot pedal controller..
Programmable grouping system save 32 effects combinations..
JP-02 amplifier power supply has been well recognized by music lovers all over the world. Each of its circuits has independent short-circuit protection and independent short-circuit protection indicator. Even if any one of the roads is short-circuited, other branches can work normally. With a user-friendly LED control switch design, the LED array illuminates all effects on the board..
7-channel 9V100mA output, 1 channel 9V500mA output and 12V, 18V output each, to meet the power supply requirements of any different effects..

The micro-housing allows all output ports of the amplifier to be facing down to simplify coaxial cable wiring in NID enclosures or small spaces..
Patented auto-seizing F-port features a “Cam Activated Mechanism” to provide full contact pressure (>2,000 grams) on the center conductor for maximum reliability..
True 5-42 MHz return band and full 1 GHz downstream spectrum for more useable bandwidth..
Unique surge protection on all ports without the use of arc gaps which may cause high impulse noise during discharge..
Self-resetting circuit protection provides safe protection against short-circuits to minimize maintenance costs..