5F1 Tube Amplifier Schematic Diagram INPUT STAGE PREAMP (12AX7) POWER (6V6GT) OUTPUT POWER SUPPLY J1 Input 1 J2 Input 2 R2 68K R3 68K VOLUME 1M Audio V1A 12AX7 170V 1.5V V1B 12AX7 165V 1.2V C1 .022µF C2 .022µF R5 100K R7 100K R4 1.5K R6 1.5K V2 6V6GT 280V 18V R9 220Ω R8 470Ω 5W C6 25µF 25V T2 Output SPEAKER 8Ω Out T1 W022772 V3 WY3GT C3 16µF 450V C4 8µF 450V C5 8µF 450V R10 10K 2W R11 22K 2W AC 120V
Input Section Preamp Section Power Section Power Supply Output Section J1 J2 Volume V1 (12AX7) V2 (6V6GT) TS1 R2 68K R3 68K C1 .022 Power Trans Output Trans C3 16µF C4 8µF V3 (5Y3GT) R1 56Ω R4 100K R5 100K R6 1.5K R7 100K R8 470Ω R9 220K R10 10K 2W R11 22K 2W C2 .022 C5 450V C6 25V Fuse 2A Power Speaker GND

Component Information

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Input
Input Stage Guitar In Volume Vin = 100mV Preamp V1A 12AX7 μ=100 R4 100K Vout = 5V (50x) Preamp V1B 12AX7 μ=100 C1 Vout = 10V (100x) Power Stage 6V6GT Power OT Pout = 5W Output 8Ω Input Signal After V1A After V1B Power Output Frequency Response (20Hz - 20kHz) 20Hz 100Hz 1kHz 10kHz 20kHz +6dB 0dB -6dB Stage Response Input (Flat) Preamp (V1A/B) Power (V2) Overall

Signal Flow Information

Click Play to see how your guitar signal travels through the amplifier stages.

Use Step to advance through each stage manually.

Watch the frequency response change as the signal passes through each stage!

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