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N-AUDIO AMPLIFIER CABINET SWITCHER

MODELS 8X7 AND 4X4

USER MANUAL

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Summary of Contents for 8X7

Page 1: ...N AUDIO AMPLIFIER CABINET SWITCHER MODELS 8X7 AND 4X4 USER MANUAL ...

Page 2: ...current preset to a MIDI preset 3 The ampliﬁer buttons correspond to each ampliﬁer connected to the device Pressing a button routes the signal from the guitar through each selected ampliﬁer 4 The power attenuator button enables an external power attenuator 5 The cabinet buttons send signals to cabinets 6 The power button turns on the device Back panel 1 A universal IEC mains input 2 Outputs to cab...

Page 3: ...mally plug your guitar and the to ampliﬁers inputs jack Note to enable playing through a guitar combo the internal protections have to be bypassed This could be done by enabeling one of the connected cabinet or the power attenuator Connecting an attenuator The switching system supports an external attenuator if needed connected to the speaker signal path 1 Connect the ampliﬁer input from the atten...

Page 4: ...net is simple while holding a button for the ﬁrst cabinet press another cabinet button While holding two cabinet buttons press the third one Exit this mode by pressing any of the allowed cabinet buttons WARNING Adding cabinets reduce the output impedance Two 8 Ohm cabinets are visible by the ampliﬁer as a 4 Ohm speaker To use this mode it is highly recommended to use 16 Ohm cabinets Using more tha...

Page 5: ...a MIDI out connector It acts as a MIDI thru sending the same MIDI commands received from the MIDI in Selecting a MIDI channel 1 Power off the N audio system 2 While holding the MUTE button power on the unit The MIDI and the MUTE LEDs start ﬂashing sequentially 3 Release MUTE button Ared LED shows the last selected MIDI channel 4 Press one of the red buttons Each of them responds to a speciﬁc MIDI ...

Page 6: ... impedance down to 2 Ohm but this is not common for all other classAB ampliﬁers Read the ampliﬁer manual for its specs The only rule using solid state ampliﬁers is to keep the impedance above or at least at 4 Ohm Tube ampliﬁers The tube ampliﬁers have output transformers that match the output impedance of the power tubes to the impedance of the connected speaker Most of the tube ampliﬁers have an ...

Page 7: ...ns Dimensions 8X7 system 19 1U rack unit W 48 2cm H 4 5cm D 13cm 4X4 system W 30cm H 4 5cm D 13cm Available brackets for 19 1U rack installation Weight 8X7 system 2kg 4X4 system 1 3kg Mains power supply Universal mains power supply 90 260VAC Power consumption Max 10W 110VAC Max 5W 230VAC Input impedance 10 Meg No active buffers though the signal path Tuner output impedance 10 kOhm ...

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