MamaBear2
markeby
Mama Bear 2 Stereo pre-amplifier
Components (76)
| Reference | Value | Description |
|---|---|---|
| Q1,Q? | TIP 50 | Bipolar transistor symbol for simulation only, substrate tied to the emitter |
| Q1,Q2 | 2SK170BL | |
| U1 | BLE Module,LR8 | 30mA 450V High-Voltage Linear Regulator (Adjustable), TO-92 |
| U2 | LM7805,LT1085-ADJ | 3.0A 25V LDO Linear Regulator, Adjustable Output, TO-220/TO-263,Positive 1A 35V Linear Regulator, Fixed Output 5V, TO-220 |
| U3 | LM7812 | Positive 1A 35V Linear Regulator, Fixed Output 12V, TO-220 |
| U4 | LT1085-ADJ | 3.0A 25V LDO Linear Regulator, Adjustable Output, TO-220/TO-263 |
| U? | LR8 | 30mA 450V High-Voltage Linear Regulator (Adjustable), TO-92 |
| BASS1,BASS?,R26,TREBLE1,TREBLE? | 100K | Potentiometer, US symbol,Resistor, 1/8 watt, 1% |
| C-IN1,C-IN?,C1,C3,C6,C15,C? | 0.22µF | Unpolarized capacitor, small symbol |
| C1,C8,C9 | 0.33µF,100µF | Polarized capacitor, small US symbol,Unpolarized capacitor, small symbol |
| C2,C6,C7,C309 | 0.1µF,1µF | Unpolarized capacitor, small symbol |
| C4 | 1µF | Unpolarized capacitor, small symbol |
| C5,C17,C23,C? | 10µF | Polarized capacitor, small US symbol |
| C5 | 1500pF | Unpolarized capacitor, small symbol |
| C10,C12 | 220µF | Polarized capacitor, small US symbol |
| C11 | 33µF 400V | Polarized capacitor, small US symbol |
| C13,C14 | 3300µF | Polarized capacitor, small US symbol |
| C16,C25 | 68pF | Unpolarized capacitor, small symbol |
| C18,C20,C21 | 470µF | Polarized capacitor, small US symbol |
| C19,C26 | 33pF | Unpolarized capacitor, small symbol |
| C22,C24 | 100pF | Unpolarized capacitor, small symbol |
| CB?,CB? | 47n | Unpolarized capacitor, small symbol |
| CT?,CT? | 680p | Unpolarized capacitor, small symbol |
| D1-D4,D6,D?,D? | 1N4007 | 1000V 1A General Purpose Rectifier Diode, DO-41 |
| D5 | ABS2 | Miniature Glass Passivated Single-Phase Surface Mount Bridge Rectifiers, 140V Vrms, 0.8A If, ABS SMD package |
| D7-D13 | 1N4001 | 50V 1A General Purpose Rectifier Diode, DO-41 |
| D9-D12,D11-? | 1N5822 x 4 | Single-Phase Bridge Rectifier, 70V Vrms, 15A If, KBPC-W(WS) |
| Header2W1,HeaderP1,PIN1-PIN3 | Screw_Terminal_01x02 | Generic screw terminal, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J1 | Aux | double coaxial connector (BNC, SMA, SMB, SMC, Cinch/RCA, LEMO, ...) |
| J2 | Phono 2 | coaxial connector (BNC, SMA, SMB, SMC, Cinch/RCA, LEMO, ...) |
| J3 | Phono 1 | coaxial connector (BNC, SMA, SMB, SMC, Cinch/RCA, LEMO, ...) |
| J4 | Monitor | double coaxial connector (BNC, SMA, SMB, SMC, Cinch/RCA, LEMO, ...) |
| K1 | Fujitsu_FTR-LYAA005x | Relay, SPST Form A, vertical mount, 5-60V coil, 6A, 250VAC, 28 x 5 x 15mm |
| K2-K8 | JW2 | General Purpose Relay DPDT (2 Form C) Through Hole, Panasonic JW series |
| LOUT1,PIN4L1,PIN4R1,ROUT1 | Header3W | Generic screw terminal, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/) |
| R-FIL?,R-FIL? | 1Ω 1W | Resistor, 1/8 watt, 1% |
| R1,R4,R8,R11,R12,R14,R18,R19,R26-R28,R39 | 100K,1K | Resistor, 1/8 watt, 1% |
| R1,R38 | 1M,33K,47K,511,68K | Resistor, 1/8 watt, 1% |
| R2-R4,R11,R20,R26,R33,R35 | 100 | Resistor, 1/8 watt, 1% |
| R2,R17,R32,R36,R? | 221 | Resistor, 1/8 watt, 1% |
| R3 | 107K | Resistor, 1/8 watt, 1% |
| R5 | 20.0K,287K | Resistor, 1/8 watt, 1% |
| R6,R13 | 24K 1W,470K | Resistor, 1/8 watt, 1% |
| R7 | 150K,221 | Resistor, 1/8 watt, 1% |
| R8 | 7.5K | Resistor, 1/8 watt, 1% |
| R9 | 130K,28.7K,35.7K | Resistor, 1/8 watt, 1% |
| R10,R16,R17,R25,R34 | 1M | Resistor, 1/8 watt, 1% |
| R11,R12 | 130K | Resistor, 1/8 watt, 1% |
| R13,R16 | 470K | Resistor, 1/8 watt, 1% |
| R14 | 44.2K | Resistor, 1/8 watt, 1% |
| R15 | 130K,510 | Resistor, 1/8 watt, 1% |
| R18,R29 | 169K | Resistor, 1/8 watt, 1% |
| R18,R28 | 180K | Resistor, 1/8 watt, 1% |
| R20,R30 | 220 | Resistor, 1/8 watt, 1% |
| R21 | 220,910 | Resistor, 1/8 watt, 1% |
| R22 | 1.5K | Resistor, 1/8 watt, 1% |
| R23 | 221K,330K,390 | Resistor, 1/8 watt, 1% |
| R24 | 1M,220K 1W,300K 1W | Resistor, 1/8 watt, 1% |
| R25,R42 | 68K | Resistor, 1/8 watt, 1% |
| R27,R41 | 47K | Resistor, 1/8 watt, 1% |
| R31,R37 | 332 | Resistor, 1/8 watt, 1% |
| R40 | 33K | Resistor, 1/8 watt, 1% |
| R300 | 6.8K 1W | Resistor, 1/8 watt, 1% |
| R301,R302 | 100 1W | Resistor, 1/8 watt, 1% |
| RB1,RB2 | 22.1K | Resistor, 1/8 watt, 1% |
| RB3,RB6 | 33.2K | Resistor, 1/8 watt, 1% |
| RK47-1,RK47-?,RK47-? | RK47-A | |
| RT1-RT3,RT? | 10.0K | Resistor, 1/8 watt, 1% |
| Socket1 | Conn_01x05 | Generic connector, single row, 01x05, script generated (kicad-library-utils/schlib/autogen/connector/) |
| SW1,SW2,SW5,SW6 | SW_DIP_x03 | 3x DIP Switch, Single Pole Single Throw (SPST) switch, small symbol |
| SW3,SW4 | SW_DIP_x05 | 5x DIP Switch, Single Pole Single Throw (SPST) switch, small symbol |
| T1 | AS-05T200 | Transformer, single primary, dual secondary |
| T2 | 15H | |
| T? | AS-05T240 | Transformer, single primary, dual secondary |
| V1-V4 | 6922 | double triode |
| V3,V4,V?,V?,V?,V? | 12AX7 | double triode |