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Model 20 / 30 schematic

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Model 20 / 30 schematic
Model: GibsonMod20-30
Price: $5.00


Weight: 0lbs

Solid-state amp w/ 13 transistors 2 inputs, Volume, Bass and Treble controls, tremolo, reverb 8 ohm spkr

SG-812 monitor amp schematic

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SG-812 monitor amp schematic
Model: GibsonSG812Mon
Price: $5.00


Weight: 0lbs

Solid-state amp. 2 inputs 4 ohm spkr

GA-88S schematic

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GA-88S schematic
Model: GibsonGA88S
Price: $5.00


Weight: 0lbs

Tube amp: (3) 12AX7, (4) 6BQ5, GZ34 4 inputs, 2 channels, Volume, BAS and Treble controls on each channel, off/standby/stereo/mono switch (2) output ... more info

SG-812 (Rev. C) schematic

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SG-812 (Rev. C) schematic
Model: GibsonSG812RevC
Price: $8.00


Weight: 0lbs

Version w/ MC1458P IC 6 channel solid-state PA amp. 6 low impedance inputs, 6 high impedance inputs, Volume, Bass and Treble controls on each ... more info

SG-812A (Rev. B) schematic

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SG-812A (Rev. B) schematic
Model: GibsonSG812ARevB
Price: $8.00


Weight: 0lbs

Applies to serial number 50129 and above 6 channel solid-state PA amp. 6 low impedance inputs, 6 high impedance inputs, Volume, Bass and Treble ... more info

SG-812 schematic

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SG-812 schematic
Model: GibsonSG812
Price: $8.00


Weight: 0lbs

6 channel solid-state PA amp. 6 low impedance inputs, 6 high impedance inputs, Volume, Bass and Treble controls on each channel, 4 band EQ, reverb

SG-100 Bass amp (Rev. C) schematic

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SG-100 Bass amp (Rev. C) schematic
Model: GibsonSG100BassC
Price: $8.00


Weight: 0lbs

Bass amp Solid-state preamp and tube power amp (12AX7, (2) 8417). 4 inputs, Volume, Bass and Treble controls (Middle control on channel 2) 4 ohm spkr

SG-100 Bass amp (Rev. B) schematic

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SG-100 Bass amp (Rev. B) schematic
Model: GibsonSG100BassB
Price: $8.00


Weight: 0lbs

Bass amp Solid-state preamp and tube power amp (12AX7, (2) 8417). 4 inputs, Volume, Bass and Treble controls (Middle control on channel 2) 4 ohm spkr

SG-100 (Rev. C) schematic

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SG-100 (Rev. C) schematic
Model: GibsonSG100C
Price: $8.00


Weight: 0lbs

Version w/ MC1741P1 IC. Solid-state preamp and tube power amp (12AX7, (2) 8417). 4 inputs, Volume, Bass and Treble controls, (Middle control on ... more info

SG-100 (Rev. A) schematic

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SG-100 (Rev. A) schematic
Model: GibsonSG100A
Price: $8.00


Weight: 0lbs

Version w/ MC1709CL IC. Solid-state preamp and tube power amp (12AX7, (2) 8417). 4 inputs, Volume, Bass and Treble controls, (Middle control on ... more info


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