For Sale: 12AU7 Tube Preamplifier (Conrad Johnson PV-12L Inspired)
The design is inspired by the renowned Conrad Johnson PV-12L, known for its superior audio performance and musicality. There are some differences between the original design and this kit from Across Audio, but the design is well executed. The PCB and components are good quality, still I did see the need to upgrade a few things.
Key Features & Upgrades:
Condition: Excellent. Fully assembled, tested, and project ready. Ships securely, carefully packaged. Shipping Via USPS Ground Advantage®, or other carrier of your choice.
Dimensions:
Height: 3.5" (with components) / 89mm
Width: 4.25" / 108mm
Length: 9" / 229mm
Voltage Requirements:
SaNzia 55W Home Audio EI Type Power Transformer
The design is inspired by the renowned Conrad Johnson PV-12L, known for its superior audio performance and musicality. There are some differences between the original design and this kit from Across Audio, but the design is well executed. The PCB and components are good quality, still I did see the need to upgrade a few things.
Key Features & Upgrades:
- Tubes: (2x matched) Mullard 12AU7 tubes, manufactured in Russia, delivering a smooth, rich sound signature with excellent performance.
- Coupling Capacitors:
- (2x matched) Mundorf MCap Supreme EVO Aluminum Oil 3.3µF 800VDC output coupling capacitors, known for their high-fidelity sound and exceptional durability.
- (2x matched) Cornell Dubilier 940C 1.5µF 1600VDC capacitors (output coupling and bypass), offering reliable performance and enhancing sonic clarity.
- Bulk Capacitor: (1x) JJ 100M + 100M 500V capacitor, providing stable power filtration for improved signal integrity.
Condition: Excellent. Fully assembled, tested, and project ready. Ships securely, carefully packaged. Shipping Via USPS Ground Advantage®, or other carrier of your choice.
Dimensions:
Height: 3.5" (with components) / 89mm
Width: 4.25" / 108mm
Length: 9" / 229mm
Voltage Requirements:
- AC1 (Plate Voltage): 0-AC280V (0.1A)
- AC2 (Heater Filament): 0-AC9V (2.5A)
- AC3 (Power-On Delay): 0-AC8V (0.5A)
SaNzia 55W Home Audio EI Type Power Transformer
Last edited:
