Brian Powell Audio
Brian Powell Audio Electronics Data
Blog
Thoughts on Power Amplifier Design
BPA Active Crossover
BPA Power Amp PCBs
PWR PCBs Information
PWR Series Power Amp Wiring Diagram Stereo
PWR12 PCB
PWR14 PCB
PWR14 Wiring Information
PWR15 PCB
PWR16 PCB
PWR18 PCB
PWR9 PCB
Speaker Protection PCB
Contact
Crimson 880
Crimson Elektrik 500 Series Amplifiers
500 Series Photos
Crimson 510/520 Review c1980
Crimson Elektrik 510 Preamplifier
Crimson Elektrik 520 Power Amplifier
Crimson Elektrik 530 Mono Power Amplifier
MC2 Add-On for 510
Crimson Elektrik 600 Series Amplifiers
Crimson 610 Preamplifier
Crimson 610 PSU
Crimson 620 Power Amplifier
Crimson 630 Power Amplifiers
Crimson 640 Power Amplifiers
Crimson Elektrik Active Crossovers
Schematic/Parts XO2/XO3
Crimson Elektrik CS Complete Amplifier Series
Crimson Elektrik Kits
CK1010 Preamp Including Wiring Diagram
CK1040 CK1080 & CK1100 Power Amp Kits
Crimson 600 series(early) and CK kit series DIN plug wiring
CS1200 Preamp Wiring Diagram
Review 1987 Hi-Fi Answers
Crimson Power Amp PCBs manufactured to 2022.
PCBs MOSFET
PCBs Type 35-01
CE3004
Parts List 35-01 Power Amp PCBs
PCB 35-01 Issue 1
PCB 35-01 Issue 2
PCB 35-01 Issue 3
PCB 35-01 Issue 4
PCB 35-01 Issue 5
PCB 35-01 Issue 6
PCB 35-01 Issue 7
PCBs Type V/VI/VII
PCB type V
PCB Type VI
PCB Type VII
Type V, VI and VII PCB data
Crimson Preamp PCBs
CPR1
CPR1 Updates
CPR2
How to Fix Mute Faults on CPR1 &CPR2
MC1
MC2
MC3
MC4
Items For Sale
BPA Spare Parts
Preamp Power Supplies
Repair & Technical Information Crimson and BPA
Power Amp Quiescent Current Checking
Repair Information Crimson Power Amplifier PCBs
SMD Reworking
Toroidal Transformer Mechanical Noise
Signal Sense Power Switch.
Repair & Technical Information Crimson and BPA