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Conference napalm::guitar

Title:GUITARnotes - Where Every Note has Emotion
Notice:Discussion of the finer stringed instruments
Moderator:KDX200::COOPER
Created:Thu Aug 14 1986
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:3280
Total number of notes:61432

2899.0. "Peavey 300 Bass combo questions" by WELCLU::GREENB (Gratuitous use of flute) Thu Mar 03 1994 12:16

    I have just bought a Peavey 300 bass combo (very nice it is too). I
    have a few questions about some of the features on it.
    
    First up, it has two jack sockets on the front labelled 'patch'; are
    these, in fact, effects send and return?
    
    Next, it has (I think) power amp in, and pre-amp out, again these are a
    pair of jack sockets. What do these do? Would it be possible to use the
    pre-amp out as a DI send to a PA for those louder gigs? If so, would I
    be sending out the straight signal from my bass, or an EQed signal via
    the amp?
    
    Finally, another pair of jacks and a pot, for crossover. One of these
    jacks is labelled high, the other low. The pot is some kind of
    frequency sweep or something. How would these all work?
    
    Finally, finally, a comment - this amp as I've used it so far is great;
    plenty of power, and it sounds just fine with all the EQs set flat, so
    there's plenty of tonal possibilities there, even with my trust old
    Fender P-bass. BTW, the eq on these is good; as well as labelling the
    frequency of each of the 8 pots, they all have labels like 'body',
    'clarity', 'punch', 'timbre', etc. Very easy for a relative non-techie
    like me to understand. Nice one.
    
    Thanks for any help.
    
    Cheers,
    
    Bob
T.RTitleUserPersonal
Name		DateLines
2899.1Bi-amping in one quick lesson!STRATA::PHILLIPSMusic of the spheres.Wed Mar 09 1994 10:3034
    I've owned my current PV Combo 300 for 10+ years, and gigged with it a
    lot.
    
    I haven't ever used the patch circuit on mine, so I can't verify that.
    
    >Next, it has (I think) power amp in, and pre-amp out, again these are a
    >pair of jack sockets. What do these do? Would it be possible to use the
    >pre-amp out as a DI send to a PA for those louder gigs? If so, would I
    >be sending out the straight signal from my bass, or an EQed signal via
    >the amp?
    >
    >Finally, another pair of jacks and a pot, for crossover. One of these
    >jacks is labelled high, the other low. The pot is some kind of
    >frequency sweep or something. How would these all work?
    
    These enable you to easily bi-amp your system.  I used to *have* to do
    this in previous bands; due to laziness (and a quieter band!) I don't
    do it as much anymore.  As I recall, it works like this:
    
    1.  Use a short (6") patch cord to connect OUT LOW to POWER AMP IN.
    2.  Use a small amp for the highs; I have a Peavey Studio Pro for
    	this.  Place it on top of the Combo and run a patch cord from
    	the OUT HIGH to the input of the little amp.
    3.  Adjust your crossover and high gain to taste; in most clubs I would
        run the crossover around 150 Hz.
    
    The result of this is that your Combo amp and speaker drive all your
    low frequencies, and your little amp drives the highs.  In situations
    where I've had to compete with drums, guitar, pedal steel and PA, it
    has often been what's kept me above water! ;)
    
    					Hope this helps.
    					--Eric--
2899.2PatchTECRUS::ROSTClueless and slightly slackWed Mar 09 1994 12:0725
    >First up, it has two jack sockets on the front labelled 'patch'; are
    >these, in fact, effects send and return?
    
    Yes, these are *before* the EQ controls.
    
    >Next, it has (I think) power amp in, and pre-amp out, again these are a
    >pair of jack sockets. What do these do? 
    
    Also an effects loop, if you like, but *after* the EQ section.  Also
    can be used with the crossover, to slave another amp to the Combo, to
    use the Combo as slave to another amp, etc.
    
    >Would it be possible to use the
    >pre-amp out as a DI send to a PA for those louder gigs? 
    
    Yes, but you would still need a direct box inline for most
    applications, since you still need the 1/4" to XLR conversion.
    
    >If so, would I
    >be sending out the straight signal from my bass, or an EQed signal via
    >the amp?
    
    The EQed signal. 
    
    							Brian
2899.3WELCLU::GREENBGratuitous use of fluteWed Mar 09 1994 13:283
    Thanks!
    
    Bob