The present invention reduces hum noise in a non-feedback single-configuration power amplifier that uses a directly heated vacuum tube to ignite a filament with an AC power supply. A hum noise reduction apparatus according to the present invention has a filament voltage signal input section, a ...
FOOTSWITCH Toggles the active and True Bypass modes. INPUT JACK Connect your instrument to the INPUT Jack. AMP JACK Connect your amplifier or the rest of your effects chain to the AMP Jack. “Absolutely eliminates hum from any audio source.” –Ultimate Guitar 00:00 / 00:00 Related...
The hum problem turned out to be a ground loop caused by the use of unbalanced jack cables between the Mackie mixer and the power amplifier. In fact all the system connections were made using unbalanced cables, so we suggested replacing these with balanced cables. The Vestax manual didn't sa...
Featuring Bluetooth input, XLR inputs, and advanced amplifier platform, the KC12 is designed to offer exceptional sound quality and versatility for a wide range of applications. Read More qsc new gearperformancereverb Catalinbread Introduces the Airstrip ...
i'm not enough an electronics engineer to know how exactly it happens, but basicly the AC mains coming in impacts the relatively low level audio signal. my amplifier does this when i run the audio cable next to the power cable for more than about a meter. if i space them out a tad...
North American H6416-AMP-00 Guiding Amplifier w/ H6415/H3303 Ultrasonic Detector North American Rectifier 3000 AMP 12vDC x 460V 12SF-F North American Rectifier 6P-F High Current SCR Controlled DC Power Supply North Atlantic 214C-S-1218 North Atlantic 214C-S-1279 North Atlantic 225 North Atl...
a电源电流 Results in the use process in the instrument measuring appliance to be able to involve to the measuring range results in the question. In order to obtain the fixed voltage to result in the output, must change the operational amplifier to result in the enlargement factor. For example...
A talkbox feeds a synth signal (usually a sawtooth wave) through an amplifier and compresses the actual physical sound through a tube, which is inserted in the player’s mouth. The synth sound is actually transferred into the mouth and then shaped by the player and recorded by a microphone...
A vacuum tube valve amplifier for playing vinyl gramaphone records has a hum free electronic circuit [I]. The circuit is within a metal screening housing. The system is used with a mains transformer [III] and supplies a dc voltage stage [II]....
To reduce the hum noise of a non-feedback single configuration power amplifier that uses a direct heat vacuum tube to ignite a filament with an AC power supply.SOLUTION: A hum noise reduction device according to the present invention includes a filament voltage signal input unit, a hum noise...