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Heavenly Red v1.0 

 

Manufacturers and product names are mentioned solely for circuit identification, and where applicable their trademarks are the 
property of their respective owners who are in no way associated or affiliated with the author. No cooperation or endorsement 

is implied.

 

Components 

Name  Value 

Comment 

Name  Value  Comment 

C1 

10u 

Electrolytic 25V+ 

R1 

390R  1% metalfilm 

C2 

10u 

Electrolytic 25V+ 

R2 

4k7 

1% metalfilm 

C3 

100u 

Electrolytic 25V+ 

R3 

390R  1% metalfilm 

C4 

100n 

SMF/MKT/Wima 

R4 

4k7 

1% metalfilm 

C5 

10u 

Electrolytic 25V+ 

R5 

1M 

1% metalfilm 

C6 

100u 

Electrolytic 25V+ 

R6 

68k 

1% metalfilm 

C7 

4n7 

SMF/MKT/Wima 

R7 

820R  1% metalfilm 

C8 

680n 

SMF/MKT/Wima 

R8 

100R  1% metalfilm 

C9 

10u 

Electrolytic 25V+ 

R9 

499k 

1% metalfilm 

C10 

1n 

SMF/MKT/Wima 

R10 

499k 

1% metalfilm 

C11 

470p 

Wima/Silver Mica  

R11 

100k 

1% metalfilm 

C12 

470p 

Wima/Silver Mica  

R12 

4k75 

1% metalfilm 

C13 

1n 

SMF/MKT/Wima 

R13 

4k75 

1% metalfilm 

C14 

2n2 

SMF/MKT/Wima 

R13a 

18k 

1% metalfilm 

C15 

1n 

SMF/MKT/Wima 

R14 

499k 

1% metalfilm 

C16 

2u2 

Wima/Electrolytic 25V+ 

R15 

NC 

 

C16a 

1u 

Wima/Electrolytic 25V+ 

R15a 

499k 

1% metalfilm  

C17 

470p 

Wima/Silver Mica  

R16 

499k 

1% metalfilm 

C18 

470p 

Wima/Silver Mica  

R17 

499k 

1% metalfilm 

C19 

22n 

SMF/MKT/Wima 

R18 

10k 

1% metalfilm 

C20 

470p 

Wima/MLCC 

R19 

100R  1% metalfilm 

C21 

470p 

Wima/Silver Mica  

R20 

499k 

1% metalfilm 

C22 

10u 

Electrolytic 25V+ 

R21 

470k 

1% metalfilm 

C23 

22n 

SMF/MKT/Wima

 OPTIONAL

 

R22 

1k 

1% metalfilm 

C24 

470p 

Wima/Silver Mica  

R23 

100k 

1% metalfilm 

C25 

22n 

SMF/MKT/Wima 

R24 

100R  1% metalfilm 

C26 

22n 

SMF/MKT/Wima 

R25 

33k 

1% metalfilm 

C27 

3n3 

SMF/MKT/Wima 

R26 

2M2 

1% metalfilm 

C28 

100n 

SMF/MKT/Wima 

R27 

2M2 

1% metalfilm 

C29 

1u 

SMF/MKT/Wima/Electrolytic 

R28 

10k 

1% metalfilm 

C30 

100n 

SMF/MKT/Wima 

R29 

100k 

1% metalfilm 

D1 

LED 

On/Off LED 

R30 

4M7 

1% metalfilm 

D2 

1N4001    

SW1 

SPDT  Variac 

D3 

LED 

Boost LED 

SW2 

SP3T 

Pre-EQ 

on-off-on

 

D4 

1N5817    

SW4 

DPDT  Boost Footswitch 

D5 

1N5817    

SW5 

SP3T 

Structure 

on-off-on

 

P1 

B500k 

Gain 

SW6 

SPDT  Mode 

P2 

B250k 

Treble 

SW8 

DPDT  Output buffer 

P3 

A1M 

Bass 

SW3 

DPDT  Plexi 

P4 

B25k 

Mid 

VR1-6 

100k 

BIAS Trimpots 

P5 

B20k 

Presence (Or B25k) 

Q1-Q6 

J201 

 

IC1

   LT1054 

P6 

A1M 

Volume 

All parts need to be 25V+ rated 

Summary of Contents for Heavenly Red

Page 1: ...Heavenly Red Building instructions v1 0...

Page 2: ...yout 3 Components 4 Power section 5 Hardwire to 18V 5 9V only 5 Output buffer 5 Build sequence 5 Off board wiring 6 Potentiometers 6 Switches 6 Plexi switch function 7 Biasing 8 Squealing 8 Modificati...

Page 3: ...for circuit identification and where applicable their trademarks are the property of their respective owners who are in no way associated or affiliated with the author No cooperation or endorsement is...

Page 4: ...Wima R14 499k 1 metalfilm C16 2u2 Wima Electrolytic 25V R15 NC C16a 1u Wima Electrolytic 25V R15a 499k 1 metalfilm C17 470p Wima Silver Mica R16 499k 1 metalfilm C18 470p Wima Silver Mica R17 499k 1...

Page 5: ...it if you decide to add the buffer Build sequence Before starting with this section make sure you have read the modifications section first Soldering this board can be very complicated for some peopl...

Page 6: ...input jacks 2 1mm DC jack isolated 22 gage stranded hook up wire 2 x LED holders This enables you to mount the LEDs in the enclosure 2 x Footswitch 3PDT 9 pins Hammond 1590XX case or similar in your...

Page 7: ...7 Ring Sleeve Tip Cathode short leg Input Anode long leg Cathode short leg Anode long leg Tip Sleeve Output Boost On Bypass The LED switching is made as described by AMZ s anti Led pop setup No need...

Page 8: ...gs Turn the structure off and boost on and check it again Adjust if necessary Finally turn both boost and structure on Chances are it will squeal like a pig This is not specific to this build and you...

Page 9: ...uced in the 7th heaven although it is not clear why could have something to do with the squealing Also R30 is in the Amps but not in the 7th heaven Troubleshooting All PCB s have been 100 factory e te...

Page 10: ...mes are mentioned solely for circuit identification and where applicable their trademarks are the property of their respective owners who are in no way associated or affiliated with the author No coop...

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