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PAM-PT-70-25R is listed in the Power Transformers range at ChipApex. The manufacturer field lists Pacific Transformer. Its product description is Fender Bassman 70W Power Transfo. Review the specifications below when checking this part for your BOM.
Power Transformers specifications for PAM-PT-70-25R
- Description：Fender Bassman 70W Power Transfo
- Series：-
- Mfr：Pacific Transformer
- Package：Tape & Box (TB)
- Type：-
- Voltage - Primary：120V
- Voltage - Secondary (Full Load)：370V, 50V, 6.3V
- Current - Output (Max)：500mA, 5A
- Primary Winding(s)：Single
- Secondary Winding(s)：Single
- Center Tap：Yes
- Power - Max：70W
- Mounting Type：Chassis Mount
- Termination Style：Wire Leads
- Size / Dimension：104.90mm L x 87.12mm W
- Height - Seated (Max)：87.12mm
- Voltage - Isolation：-
- Weight：-
Power Transformers datasheet and documents for PAM-PT-70-25R
Power Transformers Overview
The PAM-PT-70-25R is a 70W power transformer manufactured by Pacific Audio Magnetics. It features a 120V primary winding and multiple secondary outputs: 370V at 500mA, 50V at unspecified current, and 6.3V at 5A. Designed for chassis mounting, this component serves as a direct replacement for vintage Fender amplifiers, specifically the Bassman 70W, Pro Reverb (1976-1980), and Bandmaster 70W models.
Power Transformers Feature Summary
- Vintage replication design matching original Fender OEM specifications
- Multi-tap secondary configuration supporting high voltage and filament circuits
- Chassis mount construction for secure installation in amplifier enclosures
Power Transformers Applications
- Fender Bassman 70W amplifier restoration
- Fender Pro Reverb (1976-1980) repair
- Fender Bandmaster 70W maintenance
Power Transformers Procurement Notes
Verify physical dimensions and pinout compatibility with the target amplifier chassis before purchase. Confirm that the 120V primary rating matches the regional mains voltage requirements of the installation site. Ensure the mounting hole pattern aligns with the existing transformer tray to avoid structural modifications during installation.
Power Transformers Selection Notes
Select this unit when restoring classic Fender tube amplifiers requiring exact electrical and mechanical replication of the original power supply component. The multi-secondary design supports complex bias and filament requirements typical of these vintage circuits. Verify that the 70W power rating meets the thermal and load demands of the specific amplifier topology.
Power Transformers Part Context
Pacific Audio Magnetics specializes in custom audio transformers and vintage replication components. This part belongs to their line of replacements for iconic American guitar amplifiers. The manufacturer emphasizes adherence to original schematics and physical dimensions to ensure seamless integration into legacy equipment without modification.
Power Transformers Replacement Considerations
- Fender OEM Part Number 125P7A
Power Transformers FAQ
What are the secondary voltage ratings?
The transformer provides 370V, 50V, and 6.3V secondary outputs.
Which Fender models use this transformer?
It is designed for the Bassman 70W, Pro Reverb (1976-1980), and Bandmaster 70W.
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