-
-
kevin gilmore replied to the thread Headamp Blue Hawaii Special Edition.all the pin compatible tubes that plug into that hole are all actually pentodes. some have g3 tied to cathode internally so they look...
-
kevin gilmore replied to the thread Headamp Blue Hawaii Special Edition.go and build yourself the all bipolar version of the kgbh. far more resilient to garbage tubes. and all current production parts if it...
-
kevin gilmore replied to the thread Headamp Blue Hawaii Special Edition.i just looked it up, the kgbh is 22 years old. much has changed from the original which had +/-450v power supplies and paralleled pnp...
-
kevin gilmore replied to the thread The Stax Thread III.will be published. board files will be made available.
-
kevin gilmore replied to the thread The Stax Thread III.transformer --> diode bridge --> primary unregulated caps --> series pass regulator discrete opamp driven --> current limiter -->...
-
kevin gilmore replied to the thread The Stax Thread III.well if you want to compare used prices this is even cheaper. really close in performance to srm-270s...
-
kevin gilmore replied to the thread The Stax Thread III.if you could (maybe you can) buy a srm-270s without any headphones, its a much better cheap amp.
-
kevin gilmore replied to the thread The Stax Thread III.well the felista units with the monster caps start at a unregulated primary of very close to 600v. and stored energy of something like...
-
kevin gilmore replied to the thread The Stax Thread III.anyone know what they are doing and willing to actually fix a carbon? this is dirt cheap...
-
kevin gilmore replied to the thread The Stax Thread III.finally someone with transformers that have the right size cores for the job. cost not withstanding of course.
-
kevin gilmore replied to the thread Stax SRM-T1 Repair, Re-Cap, Mod.bad q2,q3,z1,z2 really hard to troubleshoot without scope and signal generator
-
kevin gilmore replied to the thread Stax SRM-T1 Repair, Re-Cap, Mod.never seen schematics for that one. use schematics from t1 should be extremely close
-
kevin gilmore replied to the thread KG CFA3 headphone amp.needs to be one switch that drives relays which do the voltage and the bias at the same time. same as the ss/zf switch.
-
kevin gilmore replied to the thread KG CFA3 headphone amp.no definitely not. but you could do output bias stage switching to go with the voltage switching. choice of lower voltage and higher...
-
kevin gilmore replied to the thread KG CFA3 headphone amp.yamaha did this very thing about 40 years ago. this is a great idea. i should have thought of it. makes stuff more complicated though...
-
-
Loading…
-
Loading…
-
Loading…
-
Loading…
-
Loading…