Rich and or any one else, what made you choose the ST-120 over the others? And I would love to Rebuild a Tube Amp maybe later A Tube preamp. I know Building computers is Different than Building Amps and Preamps. By not having experience in using or reading Schematics is it possible for me to Build a Tube Amp? I have a soldering Machine, took a small workshop at an audio show on soldering. and I seen a few YouTube on Soldering. Is there Hope? Question Exclamation bounce cheers bounce
The VTA ST-120 is just a higher powered version of the VTA ST-70. Both amps use the same driver circuit but the resistors set is slightly different from amp to amp. The VTA ST-120 does not "sound any better" than the VTA ST-70 but it does have about 3 dB of extra headroom over the ST-70. It is nice to have a little extra headroom on musical peaks. Which amp would better suit your needs is determined by ..
1. The efficiency of your speakers
2. The size of your room
3. The type of music and the general loudness level at which you play your music
Lower efficiency speakers in a large room playing rock music at higher volume levels will need an amp with more power.
The assembly manuals for all the VTA amp kits are written in a step by step fashion. You don't really need to know how to read a schematic to assemble one of the amps. As long as you can follow directions, use simple hand tools (screwdriver, pliers, wire stripper/cutter) and solder with a soldering pencil, you can build the amp. Rarely does anyone have a major problem in getting one of the amps together and working properly. If you do run into an issue, I am here by Email and/or phone for customer support.
New Below: 2015-05-18 : 05:01:12 P.M
Forgive me for getting back late. We found out My Girlfriend got cancer two or three months after I last wrote here. I have Procrastination Skill that I'm taking time to undo. Lol...
Like I mention Before It would be nice to connect with you before we move from Cambridge, Ma. to Aurora, Co.
I had enough time to think what direction to go with my Two Dynaco ST70(Bought both from E-Bay). One was Rebuild from ground up; last year I had it hooked up for about a year(replace my Jolida JD801A one of my Favorite tube Amps needed Speaker terminal). Then it went out(Panic for a few second) Lol..; found out it was the fuse(did not put back in the setup instead use BK ST1400). It might need the Bios calibrated, maybe the tubes upgraded(everything was working before the fuse went out).
The second Dynaco is in Original Condition when I last hook it up, was working. One of the Reason I Bought it because the chrome was in Great shape and of course it works. Will like to find out the Best way to Rebuild or Upgrade for the Best Sound and Best Value. I have Champagne taste and Beer pocketbook. I would like to do it my self. If I don't I've got someone in mind That repairs and upgrade etc...; he already have a Driver board for the 6Au6 tube set by Triode for about $75.
http://www.triodeelectronics.com/st70boardparts.html If I upgrade it, would like to keep it simple with less parts if possible. It will not be my main amp; I have a collection of other Amp and Preamp. Yes this is one of the many hobbies I have(maybe to many). Lol Thank You for you Help!
When I save enough, thinking about getting the Dynaco ST120 later.
(A.)The Speakers are the Von Schweikert VR-4jr; Recomed Power 20-300, Sens. 89, 6 ohms avg. http://www.enjoythemusic.com/magazine/equipment/1204/vonschweikertvr4jr.htm
(B.)Room size about 9ft-W, 10ft-L, 8ft-H
(C.)My Main Love is Funk Jazz, Fusion Jazz and Funk! Other music is Classical and getting more into Traditional Jazz like Miles Davis(his fault), John Coltrane and Thelonious Monk(Loving the Monk) Etc...the list is growing on me(maybe age- hit the big sixty May 2)
The Second Speaker is the Definitive Technology BP2002TL that's more for my Hometheater(sometimes music and Video music concerts). Mike Allen President of Jolida Tube said to use all tubes for Hometheater Surround. I was fortunate to buy that JD801A(he said for me to get). It was a Good ideal I thought tubes are less fatigue on the Ears. The downside take up a lot of room. Maybe in the future just for the Front-L-R for the Hometheater. Like I had it before the Move from Cambridge, Ma. Now I have a separate room one for Hometheater and one room for the Music. Later for the Man Cave in the Basement future plans Etc..
Almost forgot, A first time for me, What is the easiest and Simplest way to Calibrate the Bios on the Dynaco ST70?
Again Thank You for Your Time and Patients! Enjoy the Best of a Healthy Soulful Prosperous Life! & Allow the Music To Heal!
Peace, Love and Soulful Oneness! Stephen