sanjose_audio_guy

Responses from sanjose_audio_guy

Playstion one audiophile stereophile review
No argument to all of you. You should read stereophile review and see how they test and compare to other CD players. For me 16 bit still sound better than 24 bit but if you buy cd player more than 2K, maybe they sound great. Depends on your taste,... 
Playstion one audiophile stereophile review
The D/A converter on playstation one is high end like $5000 D/A converter CD player but if upgrade the power supply they will sound more increable and unbeatable price VS $5000 CD player. I tried playstation two and three they sound like cheap CD ... 
How to align arm on Music hall MF5 turntable
Thanks for your information. I will checkout all the links 
Replacing 12AX7 to 5751 for pre-amp
Thanks for your information. From my taste, 5751 is my choice than 12AX7. For AU7 or AT7, I want to try but I need more advice on my PAS 3. I do not want to get risky on my preamp. Anyone already tried AU7 or AT7 for 12AX7, let me know the sound 
Genalex Gold Lion EL84
I brought and tried Russian GL EL84 on Eico HF81. Sound is much better than Russian Mullard El84 and close to 8.5/10 scale of England Mullard EL84. You should try them if you need to buy. I have a chance to compare Rusian GL EL84 VS. England Mulla... 
Genalex Gold Lion EL84
NOS Mullard Blackckburn's are expensive and wife factor is big issue for buying 
Genalex Gold Lion EL84
Mullard Russian EL34 for Dynaco ST70 and Genalex Gold Lion EL84 for Eico HF81 
Change EL84 tubes on Eico HF 81
David. Thanks for your infor on substituting old stock el84's for the modern Russian equivalents. How can we check the cathode resistance to 180 ohms? I will buy brand new quad EL84 Russian Mullard tubes. Can you give me detail on measure on EL84 ... 
Change EL84 tubes on Eico HF 81
For Eico HF81, new "matched" quad Russian of EL84's you simply plug them in... The HF-81 is a cathode biased amp and requires reasonably matched pairs per channel. A matched quad is even better. No adjustments required either way. I found answer f... 
Mullard EL34 or EL84 made in Russian
Russian Mullard El34 tubes sound is good with tight bass and soft mid range. I have a change to test with England Mullard EL34 borrowed from my friends ($450 for quad 1972). Sound is increable with softer midrange and a little to bright for classi... 
2 Quad EL34 sets for Dynaco ST-70
I currently use Klipschorn with Dynaco St70 and PAS 3. My friend has Altec Valencia which sound is good with mid-range. I used to have Cornwalls with sound is good but La Scala is much better with vocal for Jazz. 
2 Quad EL34 sets for Dynaco ST-70
Thanks for all your information. I did change 4 Russian Mullard El84 tubes. Sound is much better than Svetlana tubes. Tubes need more time to burn in. I set biaset around 1.40V for both channels. Less money but sound is much better than solid stat... 
2 Quad EL34 sets for Dynaco ST-70
Thanks for all your help. I did not try to replace all tubes yet as I want to make sure what I am doing. Old tubes still sound good but I want to test Mullard Russian tubes. I want to have procedure to replace tubes for my future reference replace... 
2 Quad EL34 sets for Dynaco ST-70
Thanks for your information. I will try them tonight. 
To match quad EL34 tubes
Thanks for all your information. Are Siemens tubes better than Russian tubes?