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imhififan

Responses from imhififan

Speaker Spike Help
@gdnrbob Yes, if the speakers phillips screws size less than 6mm and without threaded inserts, your recommendation is much better.    BTW, if using a aluminum bar, lower profile spike will be needed.  
Cool running amplifier
@sfseay I believe OP’s preamp is on 24/7 and I think he has to try those outlet to be sure. 
Anybody Heard the CODA v2 multichannel Amplifier?
Sorry I don't have any experience on both v12 and s12.5, however, IMO/IME one better amp preforms better than two lesser amp passive bi-amping. On paper, the s12.5 look like a better amp. 
Speaker Spike Help
Can you use a 1" aluminum bar mount across the rear end of your speaker using the existing phillips screw holes and put those spikes as outriggers?   https://elac-content.s3.amazonaws.com/uploads/2016/01/Uni-Fi-Foot-Web.1349-1500x712.jpg 
BEST HARMLESS/SIGNATURELESS SPEAKERS CAPACITORS.
JFYI A diyaudio member did some interesting ESR tests:https://www.diyaudio.com/forums/parts/346861-esr-measurements-capacitors.html 
Anybody Heard the CODA v2 multichannel Amplifier?
Are you talking about the CODA v12 multichannel Amplifier? I think v2 is a Continuum Monoblock Amplifier.  
Cool running amplifier
@bdgregory You can try a Current Sensing Auto On/Off Outlet instead, plug the TV to ’Tools outlet’ and plug the amplifier to ’Vacuum/Accessory outlet’. , The amplifier will automatically turn on when you turn on the TV and amplifier will automatic... 
Why not put crossover networks in accessible compartments?
Isolating the crossover from vibration is a good thing, easily accessible compartments that allow changing components is a different thing, how often a speaker need to replaces crossover parts? I believe encase in resin helps isolating the crosso... 
Cool running amplifier
Sunfire symphonic reference power amplifier, 250 watt 8ohm doubled to 500 watt 4ohm. Auto input signal turn on is a nice ’set and forget’ feature, Load invariant technology which allows the amp to put out tremendous amounts of power while generat... 
Best way to A / B test amps? Use a switch?
Problematic if you are talking about tube gear that doesn't like to be on when no speakers are connected, but no problem with solid state. Connected to a dummy load resistor before disconnecting speaker from a tube amp can solve the problem, an... 
Best way to A / B test amps? Use a switch?
I built my own switcher using multiple speaker relay paralleled to minimize contact wear causing distortion. Or use a abx-switch-comparator  
Dry Lightning Strike
Connect your cell phone to the mono blocks via a 3.5mm to RCA cable, switch the input selector from the back of mono blocks to RCA, play some music from your cell phone and slowly turn up the volume, if no sound it is the amp need repair. https://... 
Schematic Optimation PA250 wanted ( Wolcott )
You can find the schematic here : https://www.diyaudio.com/forums/tubes-valves/213042-optimation-pa-250ac-lab-grade-audio-amplifier-2....  
Preamp connection to multiple powered subwoofers
Rolls $99 distribution amp can works with 4 active sub connected! https://proaudio.com/rolls-da134-4-channel-rca-distribution-amplifier/ 
Preamp connection to multiple powered subwoofers
In pro audio, a distribution amplifier is the answer.