Question about Peavey Vypyr Tube 60 Amp Combo
I read in my cd manual that their were 4 voice settings for my speaker. Step 1 turn off the amp, step 2 hold one of the pre-sets and turn on the amp, now select one of the 4 settings. at this point the volume which I normally play at 3 needed to be turned up to 12 to be the same level. note: in the hour before this all happened I experienced the volume cutting out completely when I attempted to change a pre-set.In case you are wondering, I do not have a pedal.
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Posted on Jan 02, 2017
I have answered some of this before, however I have reveiwed the schematic and as an electrical engineer I want you to do a couple tests.
First, plug in a set of headphones into the preamp out jack. Note that due to the impedance mismatch what you hear will not be very loud. Now change the state of the clean OD. Did you hear a faint pop?
Next plug a LOW impedance device OR even an instrument cable into the power amp "input" jack. Do this with the power off then warm amp up.
Now, change the state of the clean OD. Did you hear a faint pop?
Now for the analysis. If you did hear one in the first test and NOT in the second, the pop you are hearing is the "NATURE OF THE BEAST".
I can tell you from the design that the pop you hear is from coupling within the clean and OD relays within the unit. There is no cure for this within the unit other than find another brand...
I would recommend that you use an EXTERNAL pedal for the effects you want rather than trying to use the clean OD in this amp. I suspect it was never intended to be shifted during playing as I can guarantee it will pop when you shift while having anything other than dead silence (not even a bit of hum from your guitar). There is also statistical noise in the preamp that the laws of physics will not let us get around that may be enough to create a bit of a pop.
You could also use a volume pedal between the preamp output and the power amp in to throttle the volume to zero before shifting to OD.
In general I think you will find that what you are hearing is the nature of this beast.
Posted on Mar 19, 2010
SOURCE: wiring problem on kb 300
You have probably bypassed the crossover that directs different frequencies to the appropriate speaker/horn.
The speakers are designed to be used the way they were delivered. It is easy to damage them when connected wrong.
I would suggest you restore the circuit to the way it was designed to avoid damage to speakers or the amp.
Posted on Apr 07, 2010
Testimonial: "thanks for advice but havent bypassed the crossover if u have any ideas on how to split the amp from speakers would be greatly appreciated"
SOURCE: I own a Peavey XR696F
check any and all filter,cross-over,and de-coupling capacitors in every circuit especially on the left channel side,but check all capacitors anyway on both channels,as one channel can affect both left and right channels, also a capacitor can heal itself over time and do the same thing again later,"Cold-Solder" joints can do this also, on a printed-circuit board, HINT:heat and cold can cause problems so,try heating, joints,caps,etc. or buy a can of freeze mist(to cool components) at an electronic parts store and gently heat or cool each suspect component waiting for the outcome,or wait till the condition starts and then try the cooling,because the component has already been thermally warmed up by the circuitry power
Posted on Jan 31, 2011
Yellow should be the positive. Try plugging in and reversing. The louder of the two is the one in phase and the correct wiring. If the speaker is pushing out when playing , it is in phase and correct also.
The distortion problem could be a speaker going out. It may not be totally blown, but may be verging.
Holding your hand out as wide as you can push against the speaker lightly. If there is a rubbing or scratching sound, the speaker could be damaged.If it moves freely, and there is no scratching its okay.
Another possibility is the clean channel may have a channel volume set to high. Make sure the clean channel volume is set lower than the master volume otherwise you can get distortion on that channel too.
Posted on Feb 21, 2011
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