Kikitronic -- DIY Audio Kits
2009年11月18日 星期三
Three Band Tone Control
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FEATURES 1. Support 3 bands ( bass , mid and treble frequency) tone control for stereo channel. Frequency range is turnable by thr...
2 則留言:
2009年11月17日 星期二
Timing Control DIY
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FEATURE 1. Timing Adjustable relay switches from mili-seconds to hours. 2. Time setting by varies RC value of the 555 Timer. 3. Built-in ...
2009年11月15日 星期日
Citation 12 MOSFET Power Amplifier
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FEATURES 1. Design reference to the Harman-Kardon Citation 12 classic power amplifier circuit as blueprint and circuit modified as refere...
1 則留言:
(Input / Output) Channel Selector (Relay & LED)
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FEATURE 1. Support 4 audio inputs (RCA) and 1 balanced input (XLR) for both R and L channels . 2. Blue/White LEDs for indicator. 3. B...
Dale 23 Steps Attenuator
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OVERVIEW 1. Dale resistors , 23 step attenuator and knob . 2. Ladder type structure, 23 sections. 3. Log scale attenuation. 4. Rotary are ...
3 則留言:
Variable Tube Power Regulator 190V-450V
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FEATURE 190-380V or 250-450V DC (100mA) for tube preamplifier 0-15V DC (1.5A) x2 for tube filaments / other applications 1. Adjustable...
High Power BJT Regulator DC 50-400V
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Feature s 1. High voltage output voltage: 50V - 400V DC up to 100mA 2. Low voltage output voltage: 0-30V up to 5A 3. High power BJT s...
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