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Post by Deleted on Mar 4, 2016 10:05:26 GMT -7
When I received my Therapy, I noticed the volume pot wasn't as "smooth" as the other pots on the amp. You know what I'm talking about, the way the dials just move effortlessly from one end to the other. I really didn't think anything of it, went right to 12, 12, 12 and jammed away. Well, last night, I had the master wide open and I brought the volume all the way down and the amp was still cooking at a respectable volume. Now, I know that if you set the TMB stack to 0 all the way across, the amp is silent, but I definitely wasn't expecting the volume knob to allow any sound to pass through on 0. Is this normal for the amp??? None of my other Z's do or did this. Both Maz's and Monza, volume on 0, amp is silent, regardless of where the other controls sit...
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Post by purpletele on Mar 4, 2016 10:21:32 GMT -7
Frank,
Let me crank mine up and see what I get.
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Post by purpletele on Mar 4, 2016 10:39:21 GMT -7
When I received my Therapy, I noticed the volume pot wasn't as "smooth" as the other pots on the amp. You know what I'm talking about, the way the dials just move effortlessly from one end to the other. I really didn't think anything of it, went right to 12, 12, 12 and jammed away. Well, last night, I had the master wide open and I brought the volume all the way down and the amp was still cooking at a respectable volume. Now, I know that if you set the TMB stack to 0 all the way across, the amp is silent, but I definitely wasn't expecting the volume knob to allow any sound to pass through on 0. Is this normal for the amp??? None of my other Z's do or did this. Both Maz's and Monza, volume on 0, amp is silent, regardless of where the other controls sit... Frank, Unfortunately I think you have a leak. If I shut my TMB down I get no sound. Sorry for the discovery. BV
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Post by Deleted on Mar 4, 2016 10:42:13 GMT -7
Thanks for checking, BV. Mine is silent with the TMB down, but with the Master wide open, TMB dialed and volume on 0, I get sound...
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Post by purpletele on Mar 4, 2016 10:49:28 GMT -7
Thanks for checking, BV. Mine is silent with the TMB down, but with the Master wide open, TMB dialed and volume on 0, I get sound... Frank, MV dimed, TMB = 0 Faint volume if I roll the volume all the way to the right. PM me if you need to run more tests.
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Post by simpleton on Mar 4, 2016 10:56:40 GMT -7
I'll check later about the V being down and noise BUT my volume pot feels different as well, less smooth, and that is because the volume pots ARE different from the others...after asking the Z crew about it they mentioned it was a 12-15 dollar part...can't quite remember, but I wouldn't be alarmed. The volume knob could easily be called gain...so at zero it's adding zero gain...but the B,M,T also add volume to perspective frequencies.
ahhh I found it on the Therapy description and I quote it here....."A high precision PEC sealed volume pot is used for unmatched sensitivity, control, and long life."
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Post by Deleted on Mar 4, 2016 11:26:33 GMT -7
The volume knob could easily be called gain...so at zero it's adding zero gain...but the B,M,T also add volume to perspective frequencies. ahhh I found it on the Therapy description and I quote it here....."A high precision PEC sealed volume pot is used for unmatched sensitivity, control, and long life." I was thinking that, but the Monza is dead quiet with the master wide open and volume on zero. We guitarists are a strange bunch, huh??? Noticing the taper of a volume pot...
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Post by simpleton on Mar 4, 2016 12:20:45 GMT -7
The volume knob could easily be called gain...so at zero it's adding zero gain...but the B,M,T also add volume to perspective frequencies. ahhh I found it on the Therapy description and I quote it here....."A high precision PEC sealed volume pot is used for unmatched sensitivity, control, and long life." I was thinking that, but the Monza is dead quiet with the master wide open and volume on zero. We guitarists are a strange bunch, huh??? Noticing the taper of a volume pot... Yes we are...I liked the B,M,T smoothness better, but honestly I had forgotten about it being different. I guess I have evolved....soon I will discover man's red fire.
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Post by southmusic70 on Mar 4, 2016 13:01:45 GMT -7
I understand how you guys feel and how important this subject is to us.
However, I feel like anybody but a Z owner would think that we don't have enough to occupy our minds.
You probably have to admit that it's hard to explain this kind of thing to mere mortals who don't own these amps.
Well: that's THEIR problem...
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Post by JasonM on Mar 4, 2016 22:18:12 GMT -7
Not moving any other knobs and bringing the volume all the way down I still get a very low sounding type of volume coming from the amp when the guitar is played. The master was at 1 and the TMB were also up a bit. I think I recall noticing this when I first got the amp. I'm guessing this is normal.
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Post by fishman on Mar 4, 2016 23:59:47 GMT -7
I understand how you guys feel and how important this subject is to us. However, I feel like anybody but a Z owner would think that we don't have enough to occupy our minds. You probably have to admit that it's hard to explain this kind of thing to mere mortals who don't own these amps. Well: that's THEIR problem... mine is dead quiet to begin with, I don;t even hear a hiss..no noise, not even faint white noise..thats everything at 12 master at 1 or so. Based on this I would say that your situation is not the norm. I would get ahold of Don and have them check it out. I only have had the Z guys work on my Z amps, I would not even think of taking it to anyone else and they always come back better than they went in...magic dust...Everyone is not like this..lol...I have a friend been playing 50 years, his amp was a crate...he had no idea about amps at all. I "lent" him my MAZ38NR, THD 2-12 cab, a custom 1 off double pedal made by Eddie on the forum for me...I will never get it back..he gets it now. He may not understand whats going on, but he knows he never sounded better and won;t play on anything but the Z...period...he won;t do it...He don;t care about no stinkin' volume pots...lol...but he can make that Z give up the sound in his head..drifted a bit but hey its 2am!
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Post by Deleted on Mar 5, 2016 9:11:55 GMT -7
Just to be clear, it's not a hiss or hum or anything like that. The amp is very quiet in that regard. These are the settings I'm talking about. If I play the guitar with the amp set like this, sound comes through even with the volume knob completely closed. I took the Therapy to a gig last night and it performed flawlessly. Since the TMB adds volume to the respective frequencies, I'm thinking this is normal as has been said above...
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Post by JasonM on Mar 5, 2016 12:30:50 GMT -7
With the settings in the above post mine will do the exact same thing as yours and has since the day I bought it from Humbucker Music (I just remembered I bought it from Chicago Music Exchange... I did buy a JAZ from Humbucker though, both great stores) when they first came out. Until this thread I pretty much forgot about it but I still feel there is nothing wrong with my Therapy. If Dr Z chimes in and says different then I would have mine checked out. Mine is also dead silent as far as noise/hiss goes.
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Post by nmz on Mar 5, 2016 12:44:15 GMT -7
I'll have to look but I know this was discussed before in this section. I do believe it is normal and will not lead to a nuclear meltdown.
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Post by purpletele on Mar 5, 2016 14:03:45 GMT -7
Just to be clear, it's not a hiss or hum or anything like that. The amp is very quiet in that regard. These are the settings I'm talking about. If I play the guitar with the amp set like this, sound comes through even with the volume knob completely closed. I took the Therapy to a gig last night and it performed flawlessly. Since the TMB adds volume to the respective frequencies, I'm thinking this is normal as has been said above... Frank, How about a photo of the Reds stacked including the red hollowbody. That should be impressive.
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Post by Deleted on Mar 5, 2016 14:19:02 GMT -7
I took this the other day. The red Gibby is in the shop getting new volume pots put in...
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Post by purpletele on Mar 5, 2016 15:59:44 GMT -7
That is really sharp!
Wow
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Post by Deleted on Mar 5, 2016 17:28:50 GMT -7
That is really sharp! Wow Just waiting for Humbucker to get the Red S&P 2x10 back in stock and I'm going back to a stereo rig with the Therapy and Maz. Glorious!
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Post by JasonM on Mar 5, 2016 18:42:20 GMT -7
That is very impressive! The Z 2x10 would be a great addition. I use a Z 2x10 with my Therapy and it sounds incredible.
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Post by simpleton on Mar 5, 2016 19:12:58 GMT -7
That is very impressive! The Z 2x10 would be a great addition. I use a Z 2x10 with my Therapy and it sounds incredible. I've wanted to get a 2x10 to Y with my 1x12 into the Therapy...but I have no actual need .... I do love 2x10 cabs
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