Ultra
Input V1A
V1B
Clean
Ultra
Level
V2A
V2B
V3
Send
Receive
Line Out
Depth
Watts Texture Speaker
Pull Boost Volume Tone
Tone Stack
BLOCK DIAGRAM
REAR PANEL FEATURES CONTINUED
4. Impedance Selector: This 3-position slide switch selects the appropriate output impedance to match your speaker cabinet’s impedance.
5. Speaker Output Jacks: These two jacks are wired in parallel. The Special 6 Ultra combo has a 16-ohm speaker that is connected to the
internal speaker jack. The combo’s speaker remains connected when using the external Speaker Output jacks. When using the combo with an
additional speaker cabinet, switch the Impedance selector to 8 ohms.
6. Power IEC Receptacle: Use the included power cord with this unit in accordance with the AC line voltage and frequency ratings listed on
this manual and rear panel of this amplifier. For lowest noise and safest operation, always provide the amplifier with proper AC grounding.
7
8