Geloso Audio Schematics

Excerpts from Technical Bulletin

• Amplifiers schematics from issue 112-113

Tube preamplifiers - Preamplificatori a valvole

• Geloso G1
• Geloso G233 - overview - alternative version - alternative version 2
• Geloso G235
• Geloso G3235HF- alternative version - specs
• Geloso G243HF - alternative version
• Geloso G234HF-st
• Geloso G276A - alternative version
• Geloso G276-AN - alternative version
• Geloso G276A + G279A Amplifier specs
• Geloso G290 Preamplified mixer

Tube Amplifiers - Amplificatori a valvole

• Geloso G10 - alternative version - assembly
• Geloso G15R - assembly
• Geloso G17A
• Geloso G18R - assembly
• Geloso G20 - assembly
• Geloso G27
• Geloso G27A
• Geloso G29A
• Geloso G30A - assembly
• Geloso G33R
• Geloso G60A - assembly
• Geloso G203HF - specifications
• Geloso G204-12V, G204-6V - alternative version - specifications
• Geloso G205V
• Geloso G206V - alternative version - alternative version 2
• Geloso G211A - alternative version
• Geloso G213A - alternative version - alternative version 2 - assembly
• Geloso G214A
• Geloso G215AN - alternative version
• Geloso G218-12, G218-6
• Geloso G219-12, G219-6 - alternative version
• Geloso G219
• Geloso G220-6, G220-12
• Geloso G221-6, G221-12
• Geloso G225A - assembly
• Geloso G226 - alternative version
• Geloso G226A - alternative version
• Geloso G227A
• Geloso G228
• Geloso G229-12, G229-6 - alternative version - alternative version 2 - alternative version 3 - specifications
• Geloso G231-6, G231-12
• Geloso G232HF - alternative version - alternative version 2
• Geloso G234 - alternative version
• Geloso G236
• Geloso G236HF - alternative version
• Geloso G236ST
• Geloso G244
• Geloso G244HF - alternative version - Geloso G244 st
• Geloso G260
• Geloso G260A
• Geloso G261
• Geloso G262A
• Geloso G269A - alternative version
• Geloso G270A
• Geloso G272A
• Geloso G273A
• Geloso G274-A
• Geloso G274A - alternative version - alternative version 2 - assembly
• Geloso G275A - alternative version
• Geloso G277A
• Geloso G278A
• Geloso G276A + G279A Amplifier specs
• Geloso G279A
• Geloso G280A - alternative version
• Geloso G287AV-12 - alternative version - voltages table
• Geloso G292A
• Geloso G298A
• Geloso G3215 Amplifier
• Geloso G3270
• Geloso G1/1020A
• Geloso G1/1040
• Geloso G1/1070 - II series
• Geloso G1/1110A - II series
• Geloso G1/4111, G1/4113
• Geloso G-5V - alternative version

Hybrid amplifiers - Amplificatori ibridi

• Geloso G1/4110, G1/4112

Tube Centralised Amplifiers - Amplificatori centralino a valvole

• Geloso G201C
• Geloso G202C
• Geloso G1/1512

Transistors preamplifiers - Preamplificatori a transistor

• Geloso G1/476 - alternative version
• Geloso G1/501 - II series - alternative version
• Geloso G1/503
• Geloso G300V
• Geloso G3276

Transistor Amplifiers - Amplificatori a transistor

• Geloso 2589
• Geloso G1/110
• Geloso G1/111 (power supply for G1/110)
• Geloso G1/120
• Geloso G1/121 (power supply for G1/120)
• Geloso G1/140 - alternative version
• Geloso G1/141 -
• alternative version
• Geloso G1/188TS - II series
• Geloso G1/190 - voltages
• Geloso G1-190TS
• Geloso G1/237
• Geloso G1/301V
• Geloso G1/310TS - II series
• Geloso G1/2010
• Geloso G1/2030
• Geloso G1/2060
• Geloso G1/1060, G1/4062
• Geloso G1/4061, G1/4063
• Geloso G1/4200, G1/4202
• Geloso G1/4201, G1/4203
• Geloso G216 - alternative version - alternative version 2
• Geloso G217 - power supply
• Geloso G216TSN, G217N
• Geloso G223PA
• Geloso G224 power supply
• Geloso G230PA - alternative version - power supply
• Geloso G248HF
• Geloso G248HF - II and III series
• Geloso G249PA - alternative version
• Geloso G251HF
• Geloso G3121N
• Geloso G3132N
• Geloso G3539HF
• Geloso G9503 interphone amplifier



• Geloso G2583, G1/350 amplified trumpet



• Geloso 1489 power supply for G3121,G3126 - specifications

Turntables - Giradischi

• Geloso G1/305 cambiadischi
• Geloso G1/306 cambiadischi
• Geloso G6/78 fonovaligia
• Geloso G6/80 fonovaligia
• Geloso G6/81 fonovaligia - PCB layout
• Geloso G6/92 mangiadischi
• Geloso G6/93 Radiophonobox
• Geloso G6/101 fonovaligia
• Geloso G283V fonovaligia
• Geloso G284V fonovaligia
• Geloso G285V fonovaligia
• Geloso G286V fonovaligia
• Geloso G293V valigia stereo
• Geloso G294V fonovaligia

Cable broadcast receivers - Filodiffusori

• Geloso G16/400 filodiffusore