Valco

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6140 schematic

Tube amp: (2) 6EU7, (2) 6973, 5Y3 4 inputs (Bass and Treble on each channel), Volume and Tone controls, tremolo. 2-10" spkrs
$5.00
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6143 schematic

Tube amp: 12AX7, 50L6, 35Z5 2 inputs, Volume and Tone controls 3.2 ohm spkr AC/DC amplifier (no power transformer)
$5.00
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6150 schematic

Tube amp: 12AX7, 6V6, 5Y3 3 inputs, Volume control 1-8" spkr
$5.00
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6161 schematic

Tube amp: (3) 12AX7, (2) 6973, 5Y3 4 inputs (1 Treble and 1 Bass on each channel), Volume and Tone controls, tremolo 2-10" spkrs
$5.00
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6400 schematic

Tube amp: 12AX77, (2) 6973, 5Y3 3 inputs (2 Bass and 1 Treble), Volume control. 1-10" spkr
$5.00
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6420B schematic

Tube amp: (2) 12AX7, (2) 6L6 2 inputs, Volume and Tone controls. 1-15", 8 ohm spkr
$5.00
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6456T schematic

Tube amp: (3) 12AX7, (2) 6973, 5Y3 3 inputs (1 Treble and 2 Bass), Volume and Tone controls, tremolo 1-12" spkr
$5.00
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6470 / 6470B schematic

Tube power amp: (4) 6L6, (2) 5U4 2 output transformers
$5.00
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6475B schematic

Tube preamp: (2) 12AX7 3 inputs, Volume and Tone controls, 3-position Tone switch. Probably matched with 6470 / 6470B power amp
$5.00
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6490B schematic

Tube power amp: (2) 6L6, 5U4
$5.00
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