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Posts by doco

selling my T90 for $400 after a month of A/B with my HD650. it's in excellent condition like when i first received it. it was bought from proaudiostar. i would really prefer local pick-up if you're in the long beach, california area near cerritos. it comes with the bag, box, and manual. PM me if interested. i'll end up posting in the F/S section with pictures tomorrow.   it turns out i like the HD650 midrange and bass pronunciation afterall which is why i am selling...
 cheap alternatives would be RCA 6AS7 and chatham 6as7. by cheap i mean under $15 to $30 shipped.
it's been almost two weeks since the caps were soldered. absolutely zero noise with any 6sn7 i've put in. it's been said many times but i also recommend anyone to do this if they encounter horrible noise or hums with their old age 6sn7s that were bought. the only very slight noise i can hear is from the 5998 i have. my other 6AS7 tubes don't make noise.
i interpret that as a "no, it doesn't matter what voltage is on the capacitor you use for the fitz mod". am i right? (lol). the caps i ordered arrives on thursday but won't get installed until saturday night.
 i might end up asking an acquaintance of my dad about that. he's a longtime electrician and used to run a radio tube shop before solid state immediately took over. also does the voltage on the capacitors truly not matter for the fitz mod? i'm just double-checking since i only read one post about it and that was on page 1 of this thread.
welp just ordered two 220uf caps http://www.ebay.com/itm/171263489815?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649   will report back how it does for me. i've got a noisy hum on my rca vt-231 grey glass and sylvania vt-231
 Characteristic parameters:Driven Resistance Range:          32 ~ 600Frequency Response:           10Hz ~ 30kHz (-1db)Signal and Noise Ratio:              > 100dbOutput Power:                       > 2WAlternating Current Power:          220V/50Hz ???????
proaudiostar on ebay has the beyerdynamic T90 open box UNUSED for $409 FS. they're an authorized dealer when i looked them up on the site.   http://www.ebay.com/itm/Beyerdynamic-T-90-Premium-Stereo-Open-Back-Headphone-T90-Headphone-/301122061438?pt=US_Headphones&hash=item461c46047e   this is the message i received back when i asked about what they mean by open box UNUSED.   "Thank you for contacting Proaudiostar.com We have both (NEW) and NEW other (Store display...
so how exactly does the HD650 sound like using this speaker amp? is it as dynamic and fast just like when using tube amps? more alive? or something similar along those lines?
What was the condition of the tube test results before using it in your amp? I might be interested.
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