Pedal Parts / DIY

Op-Amp - AS301AN, Alfa, Single, 8-Pin DIP
The AS301AN is Alfa’s version of the LM301A in an 8 pin DIP package. The AS301A is a general purpose operational amplifier. This amplifier offers many features which make its application nearly foolproof: overload protection on the input and output, no latch-up when the common mode range is exceeded, and freedom from oscillations and compensation with a single 30 pF capacitor. It has advantages over internally compensated amplifiers in that the frequency compensation can be tailored to the particular application. For example, in low frequency circuits it can be overcompensated for increased stability margin. Or the compensation can be optimized to give more than a factor of ten improvements in high frequency performance for most applications. In addition, the device provides better accuracy and lower noise in high impedance circuitry.
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Op-Amp - AS301AH, Alfa, Single, TO5-8 case
The AS301AH is Alfa’s version of the LM301A in an 8 pin TO5 package. The AS301A is a general purpose operational amplifier. This amplifier offers many features which make its application nearly foolproof: overload protection on the input and output, no latch-up when the common mode range is exceeded, and freedom from oscillations and compensation with a single 30 pF capacitor. It has advantages over internally compensated amplifiers in that the frequency compensation can be tailored to the particular application. For example, in low frequency circuits it can be overcompensated for increased stability margin. Or the compensation can be optimized to give more than a factor of ten improvements in high frequency performance for most applications. In addition, the device provides better accuracy and lower noise in high impedance circuitry.
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Capacitor - 500V, Ceramic Disc, ± 10%
Radial ceramic capacitor.
  • Voltage rating: 500VDC
  • Tolerance: ± 10%
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LED Bezel - Low Profile, Prewired, Red LED, Steel
Prewired steel low-profile LED bezel with a red LED. With a 0.061” height, this steel LED bezel has an almost flush appearance on the panel it’s mounted to. An internal current limiting resistor is installed in this bezel and it can be used with voltages up to 12V. Mounting nut and rubber o-ring included.
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Wire - Bus, 100 foot Spool, tinned copper
Solid tinned copper bus wire. 105°C temperature rating, 600V.
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LED Bezel - Cup Shape, Prewired, Red LED
Prewired cup-shaped LED bezel with a red LED. An internal current limiting resistor is installed in this bezel and it can be used with voltages up to 12V. Mounting nut and lock washer included.
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Battery Holder - AA, Chassis Mount, Wired, Single
Prewired AA battery holder. This plastic battery holder fits a single AA battery and is a great option for vintage fuzz pedals that run on 1.5V, such as the Maestro FZ-1A.
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LED Bezel - Low Profile, Prewired, Red LED, Black
Prewired low-profile LED bezel with a red LED. With a 0.07” height, this black metal LED bezel has an almost flush appearance on the panel it’s mounted to. An internal current limiting resistor is installed in this bezel and it can be used with voltages up to 12V. Mounting nut and rubber o-ring included.
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LED Bezel - Cone Shape, Prewired, Red LED
Prewired cone-shaped LED bezel with a red LED. An internal current limiting resistor is installed in this bezel and it can be used with voltages up to 12V. Mounting nut and lock washer included.
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Knob - Davies, 1919, Daka-ware, Large, Skirted Pointer
High-quality USA made knobs from Davies Molding. The large skirted 1919 pointer knob is made of solid phenolic and features an infilled indicator line. The pointer has an overall length of 1.25” and the skirt’s diameter is 1.13”. This knob shares design elements of the Davies 19xx knobs allowing for a uniform look while using a variety of knob shapes and styles.
  • Height: 0.625 in
  • Length: 1.25 in.
  • Fits ¼" shaft with set screw
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Knob - Davies, 2150, Daka-ware, Vintage Pointer
High-quality USA made knobs from Davies Molding. This vintage-style 2150 pointer knob is made of solid phenolic and features an infilled indicator line. The detailed design has a mixture of ridges, curves and lines giving it a distinctively vintage appearance. The 2150 can be found on vintage equipment such as the Echoplex tape delay and test equipment from RCA and National Radio Company.
  • Height: 0.56 in.
  • Length: 1.25 in.
  • Fits ¼" shaft with set screw
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Knob - Davies, 1600 & 1610, Daka-ware, Skirted
High-quality USA made knobs from Davies Molding. The small skirted 1610 knob is made of solid phenolic and features an indicator line on the 0.91” diameter skirt. This classic knob has been used on a variety of equipment and most notably on the Buchla 100 Series as well as some 200 Series modules.
  • Height: 0.59 in.
  • Diameter: 0.91 in.
  • Fits ¼" shaft with set screw

The large skirted 1600 knob is made of phenolic and features an indicator line on the 1.5” diameter skirt. This classic knob has been used on a variety of equipment and most notably on the Buchla 100 Series as well as some 200 Series modules.
  • Height: 0.69 in.
  • Diameter: 1.5 in.
  • Fits ¼" shaft with set screw
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Chassis Box - Hammond, 1590B, Diecast, 4.40" x 2.38" x 1.06"
Colors Available:
New!:
  • Rugged, diecast aluminum alloy (tough yet easy to machine), electronic instrument enclosure.
  • Lap joint construction provides protection against access of dust and splashing water. Also provides for improved EMI/RFI shielding.
  • Vibra finished for a smooth surface with no sharp edges.
  • Four 6-32 x ½" machine screws secure lid - into tapped holes.
  • Designed to meet IP54.
  • Low side wall draft angle (2 degrees or less) for easy P.C.
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PCB - Pseudo Eyelet Board, 7.5mm Spacing
PCBs with similar styling to the eyelet/fiberboard used in vintage equipment. The spacing between pads is 7.5mm horizontally and 26mm vertically. The two mounting holes have a 3.2mm diameter to fit M3 or 4-40 hardware and also fit the S-H190-X adhesive standoffs perfectly. 2x8 Board:
  • 2 rows of 8 eyelets (16 total)
  • 7.5mm x 26mm eyelet spacing
  • 57.15mm x 30.66mm board
  • 45mm spacing for 3.2mm mounting holes
  • Great fit for 125B and 1590N1 enclosures

2x12 Board:
  • 2 rows of 12 eyelets (24 total)
  • 7.5mm x 26mm eyelet spacing
  • 87.15mm x 30.66mm board
  • 75mm spacing for 3.2mm mounting holes
  • Great fit for 1590BB enclosures
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Transistor - J201, JFET, N-Channel, MMBFJ201 Presoldered TO-92 Adapter
Surface mount MMBFJ201 JFETs presoldered to TO-92 adapter boards. Use wire, clipped component leads, or pin headers to easily attach these adapters to PCBs using TO-92 footprints for J201s. These JFETs can be found in many effects pedals, synthesizers, and other projects. The J201 / MMBFJ201 is an N-Channel general purpose amplifier JFET. This device is designed primarily for low level audio and general purpose applications with high impedance signal sources. The pinout is marked on the PCB and is DSG when facing the component side.
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PCB - Pseudo Eyelet Board, 6.35mm Spacing, 2 x 9
PCBs with similar styling to the eyelet/fiberboard used in vintage equipment. The spacing between pads is 6.35mm horizontally and 22mm vertically. The two mounting holes have a 3.2mm diameter to fit M3 or 4-40 hardware and also fit the S-H190-X adhesive standoffs perfectly. 2x9 Board:
  • 2 rows of 9 eyelets (18 total)
  • 6.35mm x 22mm eyelet spacing
  • 55.44mm x 26.66mm board
  • 45mm spacing for 3.2mm mounting holes
  • Great fit for 1590B and Gorva C65 enclosures
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StripBoard - Single Sided, 3.04” x 1.55”, 0.1” Spacing
Colors Available:
Stripboard featuring standard 0.1” (2.54mm) spacing. The board has a 30x15 grid (15 strips) and easily fits into 1590BB style enclosures and larger vintage-style fuzz enclosures. Each strip is HASL coated making soldering easier than most protoboards and also ensures a long shelf life. Features:
  • High-quality 1.6mm FR4 glass-epoxy circuit board
  • 1oz/ft2 copper weight
  • HASL coated strips
  • 30 x 15 holes (15 strips)
  • 3.04” x 1.55”
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Transistor - 2N5458, JFET, N-Channel,TO-92
2N5458 N-channel JFET in a TO-92 package. The 2N5458 is an N−channel junction field effect transistors, depletion mode (Type A), designed for audio and switching applications. Features
  • N−Channel for Higher Gain
  • Drain and Source Interchangeable
  • High AC Input Impedance
  • High DC Input Resistance
  • Low Transfer and Input Capacitance
  • Low Cross−Modulation and Intermodulation Distortion
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Transistor - 2N4403, Silicon, TO-92 case, PNP
The 2N4403 is a silicon general purpose PNP transistor in a TO-92 package. The 2N4403’s typical applications include signal processing, amplification, and switching.
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Transistor - BC546, General Purpose, TO-92 case, NPN
The BC546 is a silicon general purpose NPN transistor in a TO-92 package. The BC546’s typical applications include signal processing, amplification, and switching. The BC546 is available in two different gain ranges: BC546B and BC546C. Type hFE (IC=2mA, VCE=5V) BC546B 200-450 BC546C 420-800
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Transistor - BC548, General Purpose, TO-92 case, NPN
The BC548 is a silicon general purpose NPN transistor in a TO-92 package. The BC548’s typical applications include signal processing, amplification, and switching. The BC548 is available in two different gain ranges: BC548B and BC548C. Type hFE (IC=2mA, VCE=5V) BC548B 200-450 BC548C 420-800
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Transistor - BC557C, General Purpose, TO-92 case, PNP
The BC557 is a silicon general purpose PNP transistor in a TO-92 package. The BC557’s typical applications include signal processing, amplification, and switching.
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Transistor - BC560, General Purpose, TO-92 case, PNP
The BC560 is a silicon general purpose PNP transistor in a TO-92 package. The BC560’s typical applications include signal processing, amplification, and switching.
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Transistor - 2N2484, Silicon, TO-18 case, NPN
The 2N2484 is a silicon planar epitaxial NPN transistor in a TO-18 metal case type. The 2N2484 is primarily intended for use in high performance, low level, low noise amplifier applications.
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