background image

PARHELION VINTAGE OVERDRIVE

4

PARTS LIST, CONT.

PART VALUE

TYPE 

NOTES

D1

1N5817

Schottky diode, DO-41

D2

1N914

Fast-switching diode, DO-35

D3

1N914

Fast-switching diode, DO-35

D4

1N914

Fast-switching diode, DO-35

D5

1N914

Fast-switching diode, DO-35

D6

1N914

Fast-switching diode, DO-35

D7

(jumper)

Jumper for stock OD-1.

D8

3mm LED

LED, 3mm, red diffused

D9

3mm LED

LED, 3mm, red diffused

IC1

LM348N

Operational amplifier, quad, DIP-14 Original uses Raytheon RC4303AP. LM348N is a close substitute.

IC1-S

DIP-14 socket IC socket, DIP-14

DRIVE

1MA

16mm right-angle PCB mount pot

VOL.

10kB

16mm right-angle PCB mount pot

CLIP

SPDT cntr off

Toggle switch, SPDT on-off-on

EQ

SPDT on-on

Toggle switch, SPDT on-on

LED

5mm

LED, 5mm, red diffused

IN

1/4" stereo

1/4" phone jack, closed frame

Switchcraft 112BX or equivalent.

OUT

1/4" mono

1/4" phone jack, closed frame

Switchcraft 111X or equivalent.

DC

2.1mm

DC jack, 2.1mm panel mount

Mouser 163-4302-E or equivalent.

BATT

Battery snap

9V battery snap

Optional. Use the soft plastic type—the hard-shell type will not fit.

FSW

3PDT

Stomp switch, 3PDT

ENC

125B

Enclosure, die-cast aluminum

Can also use a Hammond 1590N1.

Содержание Parhelion

Страница 1: ...NT VERSION Boss OD 1 OverDrive A precursor to the Tube Screamer known for being the first overdrive effect to utilize diodes in a negative feedback arrangement for clipping purposes Overdrive 1 0 1 20...

Страница 2: ...r later pedals The original quad version is said to sound better and is what the Parhelion project is based on While the RC4303 is long out of production they can still be found without too much troub...

Страница 3: ...Metal film resistor 1 4W R12 470R Metal film resistor 1 4W R13 100k Metal film resistor 1 4W R14 33k Metal film resistor 1 4W R15 33k Metal film resistor 1 4W R16 100R Metal film resistor 1 4W Power...

Страница 4: ...a close substitute IC1 S DIP 14 socket IC socket DIP 14 DRIVE 1MA 16mm right angle PCB mount pot VOL 10kB 16mm right angle PCB mount pot CLIP SPDT cntr off Toggle switch SPDT on off on EQ SPDT on on T...

Страница 5: ...rhelion in case you want to experiment with other clipping options but for the stock mode you will want to jumper D7 The up position of the toggle switch engages this mode while the down position is a...

Страница 6: ...0R 100k 100n 47n 47n 18n 1uF 100n 1uF 1N914 1N914 330n 3k3 GND 47pF GND VB VB VB VB VB VB VA 33k 33k 47uF GND GND VB 100R IN OUT RPD D1 C11 C12 IC1A 2 3 1 IC1D 13 12 14 6 5 7 IC1B 9 10 8 IC1C DRIVE 1...

Страница 7: ...e use of closed frame jacks like the Switchcraft 111X If you d rather use open frame jacks please refer to the Open Frame Jack Drill Template for the top side LED hole drill size assumes the use of a...

Страница 8: ...PARHELION VINTAGE OVERDRIVE 8 ENCLOSURE LAYOUT Enclosure is shown without jacks See next page for jack layout and wiring 125B...

Страница 9: ...AGRAM 125B IN V GND N C N C OUT PCB IN GND V V JACK GND JACK OUT IN GND GND PCB OUT Shown with optional 9V battery If battery is omitted both jacks can be mono rather than one being stereo Leave the f...

Страница 10: ...inions of others Projects may be used for commercial endeavors in any quantity unless specifically noted No attribution is necessary though a link back is always greatly appreciated The only usage res...

Отзывы: