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PAM-OT-100-32R is listed in the Audio Transformers range at ChipApex. The manufacturer field lists Pacific Transformer. Its product description is Marshall 100 Watt Plexi Super Le. Review the specifications below when checking this part for your BOM.
Audio Transformers specifications for PAM-OT-100-32R
- Description：Marshall 100 Watt Plexi Super Le
- Series：-
- Mfr：Pacific Transformer
- Package：Tape & Box (TB)
- Mounting Type：Chassis Mount
- Size / Dimension：4.060" L x 3.750" W (103.12mm x 95.25mm)
- Height - Seated (Max)：4.530" (115.06mm)
- Termination Style：Wire Leads
- Turns Ratio - Primary:Secondary：-
- Impedance - Primary (Ohms)：2kCT
- Impedance - Secondary (Ohms)：4, 8, 16
- DC Resistance (DCR) - Primary：-
- DC Resistance (DCR) - Secondary：-
- Transformer Type：General Purpose
- Frequency Range：-
- Frequency Response：-
- Voltage - Isolation：-
- Insertion Loss：-
- Return Loss：-
- Power Level：100W
- Operating Temperature：-
- Approval Agency：-
Audio Transformers datasheet and documents for PAM-OT-100-32R
Audio Transformers Overview
The PAM-OT-100-32R is a vintage replica output transformer manufactured by Pacific Audio Magnetics, a division of Pacific Transformer Corp. Designed for the Marshall 100 Watt Super Lead amplifier era (1965–1969), this component replicates original specifications. It features chassis mounting with dimensions of 4.030" L x 3.440" W and a maximum seated height of 3.500". The part number indicates a 32-ohm output impedance configuration.
Audio Transformers Feature Summary
- Vintage replication of Marshall 100 Watt Super Lead power transformer characteristics
- Chassis mount construction for stable installation in amplifier chassis
- Designed to match historical audio performance standards from the 1965–1969 era
Audio Transformers Applications
- Restoration of Marshall 100 Watt Plexi Super Lead amplifiers
- Rebuilding vintage guitar amplifiers requiring period-correct output transformers
- Custom amplifier builds aiming for classic high-gain tube amp tonal characteristics
Audio Transformers Procurement Notes
Verify exact impedance matching requirements against the target amplifier circuit before procurement. Confirm physical clearance constraints within the amplifier chassis due to specific dimensional profile. Ensure compatibility with existing tube plate voltages and current ratings specified for the Marshall 100W design. Cross-reference part numbers to distinguish between power transformer (PT) and output transformer (OT) variants.
Audio Transformers Selection Notes
Select this component specifically for applications requiring historical accuracy in Marshall Super Lead circuits. Consider mechanical fitment given the chassis mount style and overall footprint. Evaluate thermal management needs based on the transformer's size and intended power handling. Verify that the 32-ohm secondary matches the speaker cabinet configuration or internal wiring scheme of the restoration project.
Audio Transformers Part Context
Pacific Audio Magnetics produces this unit as part of their Vintage Replica Series. The company operates as a division of Pacific Transformer Corp, known for designing magnetics for iconic guitar amplifiers. This specific model targets the repair and maintenance market for classic British amplifier designs, ensuring tonal consistency with original equipment.
Audio Transformers Replacement Considerations
Direct substitutes include other vintage-style output transformers rated for 100W with 32-ohm outputs designed for Marshall Plexi circuits. Ensure any replacement maintains similar core material and winding techniques to preserve original harmonic distortion characteristics. Verify pinout compatibility if replacing in an existing chassis without rewiring.
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