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imhififan

Responses from imhififan

HiFi audio Fuse on a CD Transport
The fuse is there to protect the power transformer.  $200.  I can afford a new one if it blows. I hope it is that simple. 🤔🏠🔥👨‍👩‍👧‍👦  
Connect Harman Kardon Citation 25 Preamp to bridged Citation 22 amplifiers
An interconnect would go from the left output of the preamp to the left input (marked Mono) for the amplifier I will use for the left speaker. Then another interconnect would go from the right output from the preamp to the left input (marked Mono... 
Voltage divider/attenuator
I have a 10V audio source that I want to bring it to line level 1V. That’s pretty easy: I just need to use a voltage attenuator 10:1 like image below. I used resistor values of 1k ohm (R1) and 100 ohm (R2) and it worked great! @batata004 It’s... 
stereo light
Replace bulb? 20 Fuse Style Pilot Lamp Bulb 8V 250 mA For Vintage Receivers  
Hybrid amps with bipolar output
Vincent Audio hybrid amplifiers use bipolar transistors.      
How many plays can you get out of a good record?
ELP Laser Turntable, No contact = No wear  
Asymmetric pre outs - sound quality issues?
Connect the L and R pre-out to a Stereo to Mono Converter and connect one of the mono out to the subwoofer,    https://www.amazon.com/OSD-Audio-SMC21-Converter    
Krell KAV-300i Jumper Question
To activate the bypass, the jumper cap go on the prong nearest the processor side.  
Krell anticipator circuits of the 1990s
 it sounds like you have already decided that Krell's plateau bias technology is just marketing BS. I read through the patent in detail and, as an EE, I do think it's a clever approach and not just hype. Totally agreed. 👍 The same can be said ... 
Why do so many people have problems with bass?
What is so challenging for systems to produce quality bass? The room!  
Anyone Know Where To Get The 4 Big Can Caps?
George Meyer could not find them either. Tried Ben Jacoby? https://highendaudiorepair.com/audio-research-arc OR Pyramid Audio https://www.pyramid-audio.com/      
Kinki Studios EX-M1 Volume knob
See the small hole on the knob? Maybe the setscrew inside the hole was loosen.      
Anyone Know Where To Get The 4 Big Can Caps?
I don’t think it’s a ARC Classic 60, my guess is a D400MKII. Due to supply chain shortages, good luck finding those big caps in stock at major electronics suppliers!    
Same power supply from piano and amplifier
@batata004  Without schematics on hand, all I can do is guessing! Since the piano LINE-OUT negative is connected to ground, and you're using single power supply to drive both the piano and the amp, so both unit the ground will be connected toget... 
Same power supply from piano and amplifier
I think the humming is ground loop, maybe you can disconnect the bipolar capacitor and leave the negative leg open circuit. Hope it can eliminate the humming. 🤞🙂🤞