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PAM-OT-50-35R is listed in the Audio Transformers range at ChipApex. The manufacturer field lists Pacific Transformer. Its product description is Marshall 50 Watt Plexi Output Tr. Review the specifications below when checking this part for your BOM.
Audio Transformers specifications for PAM-OT-50-35R
- Description：Marshall 50 Watt Plexi Output Tr
- Series：-
- Mfr：Pacific Transformer
- Package：Tape & Box (TB)
- Mounting Type：Chassis Mount
- Size / Dimension：3.870" L x 3.130" W (98.30mm x 79.50mm)
- Height - Seated (Max)：3.570" (90.68mm)
- Termination Style：Wire Leads
- Turns Ratio - Primary:Secondary：-
- Impedance - Primary (Ohms)：3.6kCT
- 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：50W
- Operating Temperature：-
- Approval Agency：-
Audio Transformers datasheet and documents for PAM-OT-50-35R
Audio Transformers Overview
The PAM-OT-50-35R is a vintage replica output transformer manufactured by Pacific Transformer, designed to replicate the Marshall 50 Watt Plexi amplifier. It features a power level of 50W and utilizes chassis mounting for secure installation. The primary winding offers a center-tapped impedance of 3.6kCT. Secondary impedance specifications are documented as 2 Ohms in some sources, while physical dimensions vary slightly between listings, ranging from approximately 4.030" L x 3.060" W to 3.870" L x 3.130" W.
Audio Transformers Feature Summary
- Vintage replication design matching original Marshall 50 Watt Plexi specifications
- Chassis mount construction for stable mechanical integration
- Center-tapped primary winding configuration
Audio Transformers Applications
- Marshall JTM45 amplifier restoration
- Marshall 50 Watt Plexi amplifier repair
- Custom tube amplifier builds requiring vintage-style output stages
Audio Transformers Procurement Notes
Verify specific secondary impedance requirements against your amplifier circuit before purchase, as documentation lists varying values. Confirm physical dimensions match your chassis cutouts due to reported variances. Ensure compatibility with Marshall OEM part numbers 784-139 and TXOP-9002 if replacing original units. Check current availability status as this is a specialized component.
Audio Transformers Selection Notes
Select this component specifically for its intended use in replicating the sonic characteristics and electrical properties of classic Marshall amplifiers. It is not a general-purpose audio transformer but tailored for high-power tube output stages. Consider the mounting style and dimensional constraints of your enclosure when integrating this unit into existing or new amplifier designs.
Audio Transformers Part Context
This component belongs to Pacific Transformer's Vintage Replica series, which focuses on recreating historical audio equipment specifications. The manufacturer specializes in custom transformers for tube amps, pro audio, and broadcast applications. This specific model targets the niche market of guitar amplifier restoration and modification.
Audio Transformers Replacement Considerations
Direct substitutes include Marshall OEM part numbers 784-139 and TXOP-9002. Other Pacific models in the OT series may serve similar functions but require verification of impedance and power ratings.
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