Randall Amplifiers 667 - Manual (Page 7)

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TUBE LAYOUT!
Preamp tubes left to
right (with control
panel facing you):!
V1 12ax7 CH5/6 input!
V2 12ax7 CH5/6 2nd&3rd stages!
V3 12ax7 CH5/6 4th&CF stages!
V4 12ax7 CH3/4 and CH1/2
input!
V5 12ax7 CH3/4 2nd&3rd stages!
V6 12ax7 CH3/4 4th&CF stages!
V7 12ax7 CH1/2 2nd&3rd stages!
V8 12ax7 LOOP!
V9 12ax7 PI!
V10-V13 Power Output Tubes!
1x4 OHM - connect one 4 ohm speaker cabinets here!
2x8 OHM - connect two 8 ohm speaker cabinets here!
1x8 OHM - connect one 8 ohm speaker cabinets here!
2x16 OHM - connect two 16 ohm speaker cabinets here!
1x16 OHM - connect one 16 ohm speaker cabinets here!
DO NOT CONNECT MORE SPEAKERS THAN SHOWN ABOVE!
LINEOUT OUTPUT is tapped directly off the speaker jack and the
LEVEL sets the signal output. !
LOUDSPEAKERS & LINE OUTPUTS!
667 is preset to MIDI
Channel 1. The 2 outside
pins of the MIDI IN 7 pin!
connector feeds 9VAC at
1.5amps to power midi foot
controls. If your midi!
foot controller has self power
via the 2 outside pins on a 5
pin cable, the!
667 will also supply power to
it.!
Midi CC numbers as follows:!
80 CH1!
81 CH2!
82 CH3!
83 CH4!
84 CH5!
85 CH6!
86 Boost 1 through 6!
87 Loop On!
88 Voicing L!
89 Voicing M!
90 Voicing H!
91 Loop 2!
92 Master 2!
MIDI CONTROLS!
MAINS SWITCH : Selects the country voltage. For
100-120VAC selections, change IEC fuse to T5A/250V
fuse. For 220-240VAC selections, change IEC fuse to
T2.5A/250V fuse. The H.T. Fuse remains unchanged.!
MAINS INPUT: AC wall power via included IEC cord to
a grounded outlet HT FUSE: Protection for AC power
faults.!