Гитарски засилувач со предзасилувач.
Карактеристики:
Sensitivity: 35mV input for 40W 8 Ohm output, 42mV input for 60W 4 Ohm output
Frequency response: 50Hz to 20KHz -0.5dB; -1.5dB 40Hz; -3.5dB @ 30Hz
Total harmonic distortion 1KHz and 8 Ohm load: Below 0.1% up to 10W; 0.2% 30W
Total harmonic distortion 10KHz and 8 Ohm load: Below 0.15% up to 10W; 0.3% 30W
Total harmonic distortion 1KHz and 4 Ohm load: Below 0.18% up to 10W; 0.4% 60W
Total harmonic distortion 10KHz and 4 Ohm load: Below 0.3% up to 10W; 0.6% 60W
Treble control: +9 / -16dB 1KHz; +12 / -24dB 10KHz
Brightness control: +6.5dB 500Hz; +7dB 1KHz; +8.5dB 10KHz
Bass control: -17.5dB 100Hz; -26dB 50Hz; -28dB 40Hz
Засилувач:
Компоненти:
R1: 6K8 1W Resistor
R2,R4: 470R 1/4W Resistors
R3: 2K 1/2W Trimmer Cermet
R5,R6: 4K7 1/2W Resistors
R7: 220R 1/2W Resistor
R8: 2K2 1/2W Resistor
R9: 50K 1/2W Trimmer Cermet
R10: 68K 1/4W Resistor
R11,R12: R47 4W Wirewound Resistors
C1,C2,C4,C5: 47µF 63V Electrolytic Capacitors
C3: 100µF 25V Electrolytic Capacitor
C6: 33pF 63V Ceramic Capacitor
C7: 1000µF 50V Electrolytic Capacitor
C8: 2200µF 63V Electrolytic Capacitor
D1: LED Any type and color
D2: Diode bridge 200V 6A
Q1,Q2: BD139 80V 1.5A NPN Transistors
Q3: MJ11016 120V 30A NPN Darlington Transistor
Q4: MJ11015 120V 30A PNP Darlington Transistor
SW1: SPST Mains switch
F1: 4A Fuse with socket
T1: 220V Primary, 48-50V Secondary 75 to 150VA Mains transformer
PL1: Male Mains plug
SPKR: One or more speakers wired in series or in parallel, Total resulting impedance: 8 or 4 Ohm, Minimum power handling: 75W
Предзасилувач:
Компоненти:
P1,P2: 10K Linear Potentiometers
P3: 10K Log. Potentiometer
R1,R2: 68K 1/4W Resistors
R3: 680K 1/4W Resistor
R4: 220K 1/4W Resistor
R5: 33K 1/4W Resistor
R6,R16: 2K2 1/4W Resistors
R7: 5K6 1/4W Resistor
R8,R21: 330R 1/4W Resistors
R9: 47K 1/4W Resistor
R10: 470R 1/4W Resistor
R11: 4K7 1/4W Resistor
R12,R20: 10K 1/4W Resistors
R13: 100R 1/4W Resistor
R14,R15: 47R 1/4W Resistors
R17,R18,R19: 100K 1/4W Resistors
C1,C4,C5,C6: 10µF 63V Electrolytic Capacitors
C2: 47µF 63V Electrolytic Capacitor
C3: 47pF 63V Ceramic Capacitor
C7: 15nF 63V Polyester Capacitor
C8: 22nF 63V Polyester Capacitor
C9: 470nF 63V Polyester Capacitor
C10,C11,C12: 10µF 63V Electrolytic Capacitors
C13: 220µF 63V Electrolytic Capacitor
D1,D2: BAT46 100V 150mA Schottky-barrier Diodes
Q1,Q3: BC546 65V 100mA NPN Transistors
Q2: BC556 65V 100mA PNP Transistor
J1,J2: 6.3mm. Mono Jack sockets
SW1,SW2: SPST Switches
