Yamaha DTXpress/DTXplorer/DTXtreme

I did a search and did not find a similar query. I have just 
connected my system and it seems that the bass drum is not picking up 
every time i hit it. I am wondering if the pad has a break in period. 
Is the pad just not sensitive enough and needs a good stomp on the 
pedal? Perhaps the volume on the brain is not loud enough and i've 
tried tinkering w/ it to no avail. I have them connected to 
headphones and everything else is working great. 

This is my first drum set so i'm not sure if there's a proper load of 
force i need to put on the pedal in order for the pad to pick up the 
noise. Obviously w/ an acoustic set i wouldn't have this problem, So 
does the pad just need to be broken in?

--- In DTXpress@yahoogroups.com, "pinoyboy71" <pinoyboy71@y...> wrote:
> I did a search and did not find a similar query. I have just 
> connected my system and it seems that the bass drum is not picking 
up 
> every time i hit it. I am wondering if the pad has a break in 
period. 
> Is the pad just not sensitive enough and needs a good stomp on the 
> pedal? Perhaps the volume on the brain is not loud enough and i've 
> tried tinkering w/ it to no avail. I have them connected to 
> headphones and everything else is working great. 
> 
> This is my first drum set so i'm not sure if there's a proper load 
of 
> force i need to put on the pedal in order for the pad to pick up 
the 
> noise. Obviously w/ an acoustic set i wouldn't have this problem, 
So 
> does the pad just need to be broken in?

This sort of thing used to happen quite a bit with the old KP60. I 
haven't heard of it much at all in connection with the KP65. First, 
make sure that the cable from the pad to the module is okay. Swap it 
with another one and try the pad again. Then, check to see whether 
your self-rejection/rejection setting for the kick is too high and 
gain setting too low (both of which are doubtful). If they aren't the 
problem, something on the circuit board probably isn't right. 
Assuming that your kit is new and not secondhand, I wouldn't bother 
opening up the pad; I'd go straight to the store, or to Yamaha, for 
another one. Yamaha might suggest that you re-solder every internal 
connection, which has been known to help in cases like yours. But 
this strategy should be completely elective on your part. If the 
store won't help, come back here, and we'll give you contact 
information at Yamaha central. Just out of curiosity, check what 
happens if you flip up the so-called "attenuation" switch 
corresponding with input 1 on the back of the module. Does that help? 
YOu shouldn't have to do that to get an even response, but success 
might indicate that loss of gain is the problem.

Ed

Does the KP65 Have the A/B switch like the KP60 had? If so, try 
flipping that as well. I often found that the switch would get 
flipped while in transport and would give me fits because no, or 
intermittent, signals were fired.

I've had this particular problem,... sorta. When I would play, it would
seem that some of the bass drum notes would play *much* louder than
others, even though the amount of force applied to the pedal was more or
less the same. I played with the rejection settings and found I could
lessen this.

For your particular problem, I would suggest you use these steps to test:

Sit at the set and play 1/4 notes on the kick with no other pads being
played. Do you get consistent kicks or intermittent? If consistent, then
try adding other pads into the beat. If you start to get kick drum
"dropouts" (where you kicked, but no note or a very quite note) produced,
it would appear to be a rejection issue. Changing the rejection settings
should cure this.

If the kick is *not* consistent when playing 1/4 notes solo, then try
replacing the cable between the kick pad and the back of the module. (I
know, pretty simple suggestion but cables *do* go bad and the motion of
the kick tower can cause a small short to come and go if the cable is
marginal).

If the cable swap doesn't fix it, try moving the cable from the "kick"
plug on the back of the module to the "mid tom" or one of the other toms
and try the same experiment. Do you hear the 1/4 notes consistently with
a tom sound? If so, it could be a problem with the kick input on the
module. This would be pretty unlikely, since the module itself is solid
state and doesn't bear the brunt of impacts from the beater.

If the intermittent triggering happens when the kick pedal is plugged
into the tom input, then it is most likely the kick tower itself that is
producing intermittent output... Hope this helps :)

Vern

-- 
Vern Graner CNE/CNA/SSE    | "If the network is down, then you're
Senior Systems Engineer    | obviously incompetent so why are we
Texas Information Services | paying you? Of course, if the network
http://www.txis.com        | is up, then we obviously don't need
Austin Office 512 328-8947 | you, so why are we paying you?" VLG




pinoyboy71 said:

> I did a search and did not find a similar query. I have just
> connected my system and it seems that the bass drum is not picking up
> every time i hit it. I am wondering if the pad has a break in period.
> Is the pad just not sensitive enough and needs a good stomp on the
> pedal? Perhaps the volume on the brain is not loud enough and i've
> tried tinkering w/ it to no avail. I have them connected to
> headphones and everything else is working great.
>
> This is my first drum set so i'm not sure if there's a proper load of
> force i need to put on the pedal in order for the pad to pick up the
> noise. Obviously w/ an acoustic set i wouldn't have this problem, So
> does the pad just need to be broken in?
>
>
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--- In DTXpress@yahoogroups.com, "emf" <liberatusvirus@y...> wrote:
> --- In DTXpress@yahoogroups.com, "pinoyboy71" <pinoyboy71@y...> 
wrote:
> > I did a search and did not find a similar query. I have just 
> > connected my system and it seems that the bass drum is not 
picking 
> up 
> > every time i hit it. I am wondering if the pad has a break in 
> period. 
> > Is the pad just not sensitive enough and needs a good stomp on 
the 
> > pedal? Perhaps the volume on the brain is not loud enough and 
i've 
> > tried tinkering w/ it to no avail. I have them connected to 
> > headphones and everything else is working great. 
> > 
> > This is my first drum set so i'm not sure if there's a proper 
load 
> of 
> > force i need to put on the pedal in order for the pad to pick up 
> the 
> > noise. Obviously w/ an acoustic set i wouldn't have this problem, 
> So 
> > does the pad just need to be broken in?
> 
> This sort of thing used to happen quite a bit with the old KP60. I 
> haven't heard of it much at all in connection with the KP65. First, 
> make sure that the cable from the pad to the module is okay. Swap 
it 
> with another one and try the pad again. Then, check to see whether 
> your self-rejection/rejection setting for the kick is too high and 
> gain setting too low (both of which are doubtful). If they aren't 
the 
> problem, something on the circuit board probably isn't right. 
> Assuming that your kit is new and not secondhand, I wouldn't bother 
> opening up the pad; I'd go straight to the store, or to Yamaha, for 
> another one. Yamaha might suggest that you re-solder every internal 
> connection, which has been known to help in cases like yours. But 
> this strategy should be completely elective on your part. If the 
> store won't help, come back here, and we'll give you contact 
> information at Yamaha central. Just out of curiosity, check what 
> happens if you flip up the so-called "attenuation" switch 
> corresponding with input 1 on the back of the module. Does that 
help? 
> YOu shouldn't have to do that to get an even response, but success 
> might indicate that loss of gain is the problem.
> 
> Ed
----------------------------------------
I would agree entirely with Ed's comments re checking leads and - by 
process of elimination - making sure it's not the hardware. As an 
employee in the IT sector, the cardinal rule with any first 
maintenance attendance is 'check the physical first!'
JonD