ReviewsLower Frequency Transformer

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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..

❤Applications❤Suitable for current measuring, monitoring and protection of AC motors, lighting equipment, air compressors, etc..
❤Reliability❤Fully compatible with most similar products.
the number of opening and closing times is not less than 1000 (tested at 20℃).
this split core current transformer is particularly suitable which can use for a long time for DIY use and it works well with arduino and raspberry pi..
❤Specification❤Opening size: 13mm × 13mm.
lead length: 1.5 meters, standard Φ3.5 three-pin plug outpu.
Non-linearity ± 3% (10% ~ 120% rated input current) two output forms of current and voltage (voltage output type built-in sampling resistor)..
Package Include 4Pcs x SCT-013-000 Split Core Current Transformer Sensor.

380 mm (15 in) woofer with Kevlar-reinforced Cone and 75 mm (3 in) voice Coil, 38 mm (1. 5 in) diaphragm Compression driver with patented design and high temperature polymer diaphragm..
Extraordinary clarity for speech, with extended frequency response for music, advanced high-slope crossover network for constant coverage and smooth, natural midrange..
500 watt power handling (average continuous Pink noise) with high sensitivity provides high SPL capability..
300 watt 70V/100V multi-tap (built-in transformer) or direct 8ω low-impedance, 52 Hz – 20 kHz frequency response..

✅ Classic and graceful appearance. Beautiful heavy duty chassis (stainless steel top, steel bottom) and aluminum panel and bezels, The VU meters and vacuum tubes makes it more elegant and attractive..
✅ Push-pull amplifier provides greater output power, Class A reduce distortion,An analog VU meter on the front panel to monitor the average of the two channel output levels, 110V/220V selection..
✅ The output transformers manufactured with Japanese silicon steel sheet and high-quality enameled wire, antimagnetic transformer covers to shield current interference and achieve much lower static noise..
✅ Audiophile capacitors and high quality metal precision resistors dedicated for audio frequency, high-quality volume potentiometer and electronic components to get better sound..
✅ A perfect choice to play vocal , symphony and classic music. Its sound output is full of analog style. The bass part is deep and powerful and the vocal part is sweet and intoxicating..

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.

★EASY START FUNCTION: This premium and highly functional transformer converter has a soft-start circuit is built inside to prevent an inrush current at the starting moment. Home circuit breaker not trip off at the starting moment. It comes with four input voltages selectable: 110V/200V/220V/240V..
★HIGHLY FUNCTIONAL CONVERTER: This CE Certified step-up and step-down AC voltage transformer has the ability to convert from 110V up to 220V or from 200/220/240V down to 110V. (Please note a voltage converter does NOT change the frequency, in another word, what goes in is what comes out, either 50 Hz or 60Hz).
★BEST EFFECTIVE TRANFORMER CONVERTER: Unlike other converters, we have designed this one with 3,000 watts Maximum Load Capacity (MLC), most suitable and cost-effective for devices such as rice cookers, hot water pots, household food mixers, blenders with the Maximum Power Consumption (MPC) between 1050 and 2250 watts..
★QUALITY STABLE OUTPUT CONSUMPTION: This voltage transformer has 100% loading capacity. It has 4 AC outlets including two 110V US standard, one 220V Universal and one German/French Schuko plus one DC 5V USB which makes it work perfectly well..
★100% SATISFACTION GUARANTEED: As a brand, we believe in quality not quantity! We g....

Variable Input Impedance Newly enhanced V3 Variable Valve Voicing LED input meter.
Analog output meter Enhanced ART Tube Technology Automatically switches between instrument and mic preamp.
Wide frequency response (5hz-50kHz) Enhanced OPL Output Protection Limiter Toroidal transformer.

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.