Traynor DynaBass 300 Manuel page 6

12. Effects Send and Return ¼-inch Jacks
External effects processors can be connected here and are provided with a balanced post-EQ
signal from the Effect Send jack. The balanced Return jack is used to return processed audio
signals back into the DynaBass 300. Using balanced or unbalanced shielded cables, simply
connect the Send to the input of your effects unit or pedal board, and the Return to its output.
User Tip 1: Although this is a balanced loop, you can connect unbalanced pedals with regular
guitar cords. However you should probably not mix balanced and unbalanced devices in this or
any effects loop.
User Tip 2: When not in use for patching-in effects, the Efx Send jack can alternatively be used as
an extra line-level output perhaps for driving an additional amplifier or power amp and speaker.
13. Monitor In Jack and Monitor Gain Control (DynaBass 300 and 300T Combos only)
This useful feature permits the user to establish a personal monitor mix through the amp.
Using an unbalanced shielded cable, simply connect the DynaBass 300's Monitor In jack to
the monitor output of the mixer so that the studio or PA mix can be mixed down along with
your bass through your DynaBass 300's speakers or headphones. Because the Monitor In
jack bypasses the preamp and is wired directly to the input of the DynaBass 300's power
amp, the incoming signal will not come out in the Line Out, Tuner output or Efx Send signals.
It is only audible through your speakers or headphones. The Monitor Gain control enables
you to regulate the incoming mix level. Start with it set at zero and adjust as required.
Note: The Monitor In jack does not accept stereo signals.
14. Speaker Outs
All three speaker outputs – two ¼-inch and one Speakon™ – are in parallel. The amp's
minimum load is 4 ohms overall (not per-jack) therefore you can connect a total of one 4-ohm
speaker cabinet, or two 8-ohm speaker cabinets, or four 16-ohm speaker cabinets to the
DynaBass 300 head. The Speakon™ jack might be suggested if your speaker cabinet also
has a Speakon™. Otherwise the ¼-inch Speaker Outs will work equally well.
User Tip 1: The DynaBass 300 combo's internal speaker load is 8-ohms therefore any
extension cabinet should be no less than 8-ohms. (DynaBass 300 and 300T Combos only)
User Tip 2: The 350-Watt @ 4-ohms rated power output is measured with the amp's Gain,
Master and tone controls adjusted for minimal distortion. When shopping for a single 4-ohm
cabinet to use with the DynaBass 300 head, look for one with a program power rating of
approximately 500 Watts to provide some added capacity for handling "crunch" distortion.
Alternatively you could employ two 250-Watt (program) 8-ohm cabinets.
User Tip 3: Most speaker cabs with dual jacks have them wired together in parallel. When pairing
two such cabinets with the DynaBass 300 head, you only need to use one Speaker Out, and
then patch the cabs together. However if you prefer to run 2 cables, each from one of the amp's
Speaker Outs, that would work equally well (it's really all the same thing, electrically).
15. Tweeter Defeat/Active Switch (DynaBass 300 and 300T Combos only)
In the Defeat position, this switch disconnects the internal tweeter for a softer, more classic
bass amp tone. For more brightness set it in the Active position.
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