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imhififan

Responses from imhififan

Designers -who's been around the longest ?
Tim de Paravicini (RIP), Nelson Pass, Bob Carver 
KAB RF-1 subsonic filter
I thought KAB recommend install the RF-1 between the phono stage and preamp, so the RF-1 will be out of the chain when playback other sources. https://www.kabusa.com/frameset.htm?/rf1.htm The KAB RF-1 is easy to install. Place it in between the ph... 
Why have capacitors improved so much over the years?
I can't understand either why manufacturers go through all the trouble of designing a piece of gear & then at the most critical point insert cheap caps. When design engineers select components/parts for their circuitry, it is their responsi... 
Marantz 8B Conversion to Triode Mode Help
@atmasphere Thank you for the educational post! Wish to see more posts like this in this forum... 
amperage & size of the input power fuse for the Nordost Thor Power Distributor?
Depends on main voltage, 120V or 220/240V? 
Identify older Paradigm speakers
The woofer in Monitor 7se mk1 is 6.5" not 8", overall dimensions is 13.5″ H x 7.6″ W x 10.5″ D and weight 17 pounds each.   
Grado Reference Sonata
"H" are hot pins(+) and "G" (not C) are ground pins(-) for L and R channels. LH connect to white lead LG connect to blue lead RH connect to red lead RG connect to green lead https://www.stereonet.com/forums/uploads/monthly_2017_05/shellconnect.gif... 
Marantz 8B Conversion to Triode Mode Help
https://ucarecdn.audiogon.com/118ac148-1298-42ff-be0d-fbaeb8a3648a/-/autorotate/yes/ 
Marantz 8B Conversion to Triode Mode Help
https://ucarecdn.audiogon.com/3e16671f-eeae-4597-8dc6-dbd3af55ca1f/-/autorotate/yes/ https://ucarecdn.audiogon.com/96c61bc8-90cb-43bc-a8f4-2e6d08882a29/-/autorotate/yes/ Hope this helps 
How to change voltage on Esoteric K05X? Or is step down transformer ok?
1. in terms of sound deterioration, how ‘bad’ is it to use a voltage step down transformer in general?Not all step down transformer created equal, A good one will not degrade sound quality, in some cases, an isolated step down transformer can im... 
Acoustic Revive Schumann Generator DC Plug Size
5.5mm x 2.5mm, according to Q&A https://www.amazon.com/Acoustic-Revive-RR-777-Frequency-Generator/dp/B01M3YVR49Use adapter if the power supply comes with 5.5mm x 2.1mm plug. https://www.amazon.com/OMNIHIL-Adapter-Converter-Female-x2-5mm/dp/B0... 
What Have You Done With Your Obsolete/Outdated AV Receivers & Preamps? 😳
What did you do with your obsolete AV equipment? Dispose those huge rear projection TV is PITA!!! 
Does anyone make a preamp with a subwoofer output?
Another option is insert an active subwoofer crossover to your existing preamp, like the JL Audio CR-1 which featured adjustable crossover point and 12/24dB slopes.  https://www.jlaudio.com/products/cr-1-home-audio-subwoofer-crossovers-96020  
Which powered the main chip? No.7 VCC or No.22 AVCC?
Both! AVcc is the supply voltage pin for the A/D Converter, It should be externally connected to Vcc even if the ADC is not used. https://ww1.microchip.com/downloads/en/DeviceDoc/ATmega48A-PA-88A-PA-168A-PA-328-P-DS-DS40002061B.pd...  
Why have capacitors improved so much over the years?
Not just capacitors. Chips, transistors, resistors... almost all electronic components had been improved over the years. Btw, in terms of capacitors, electrolytic capacitors been improved greatly.