5V4GA / GZ32 GE Gray Plates Side Square Getter Rectifier Tube Made in USA ’62
FUNKE Tested – Like NOS – Balanced Sections
Description:
This 5V4GA / GZ32 GE – General Electric, Made in USA production, year 1962, is a quality American rectifier tube, belonging to a family highly appreciated in vintage hi-fi equipment, tube amplifiers, and compatible circuits requiring a 5V4GA / GZ32.
The internal construction features gray plates and side square getter, a typical configuration of GE American production of the era. This is an original vintage tube, not NOS, but electrically in excellent condition, tested on a Funke W19 with a result of Like NOS.
The measured emission is 78 mA / 78 mA, with perfectly balanced sections: a very significant figure for a rectifier, as it confirms extremely regular behavior between the two internal sections.
Sonic Characteristics
The 5V4GA / GZ32 does not directly process the audio signal, but it plays a fundamental role in the power supply section of the device, influencing its sound.
This GE Made in USA offers solid and traditional construction, with a very balanced electrical output, ideal for those seeking a reliable, well-tested vintage rectifier, ready for use in compatible equipment.
Bass
In properly designed circuits, stable rectification can contribute to a more orderly and controlled low end. The response tends to maintain good structure and consistency, without sensations of excessive softness or instability.
Mids
Power supply stability helps preserve a fluid, natural, and highly articulate mid-range. In compatible vintage equipment, this characteristic can contribute to a balanced and pleasing musical presentation.
Highs
The high-end benefits from a stable and regular electrical foundation. The perceived result, within the context of the circuit, can be a clean, composed, and orderly rendition, without artificial excesses.
Dynamics
The Like NOS emission value and perfect balancing between the sections support a stable and consistent dynamic response. The tube is well suited for devices where rectification must maintain control and regularity during listening.
Soundstage
In well-optimized vintage hi-fi systems, an efficient and balanced rectifier can promote a more stable soundstage, with good focus and an orderly presentation of instruments.
🎧 Use in Hi-Fi Amplifiers
This 5V4GA / GZ32 GE is suitable for vintage hi-fi amplifiers, preamplifiers, power amplifiers, and compatible equipment that require a 5V4GA / GZ32 rectifier according to specifications.
It is particularly interesting for those who want a vintage American tube, carefully tested, with very high emission and perfectly balanced sections.
🎸 Use in Musical Applications
In compatible instrument amplifiers, this 5V4GA can offer a stable and orderly response, with a good sense of control in the power supply.
It is suitable for circuits that use the 5V4GA / GZ32, always respecting the technical specifications of the equipment.
🎯 Note for Audiophiles and Technicians
This tube represents a very valid choice for those seeking a vintage American GE Made in USA rectifier, with gray plates and side square getter construction, offering high-level electrical performance.
The test on Funke W19 confirmed a Like NOS result, with 78 mA / 78 mA emission and perfectly balanced sections. This makes it a particularly attractive solution for restorations, quality maintenance, and vintage audio applications where stability and regularity are crucial.
Test Results
Tubes Tested on Funke W19 Tube Tester:
Voltage Test: Va = 60V, Vf = 5V
Good from: Ia = 55 mA
Average 100%: Ia = 84.6 mA
TEST RESULT: VERY STRONG
Tube:
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Section 1: Ia = 78 mA
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Section 2: Ia = 78 mA
Additional Tests performed:
- Emission Quality: Excellent – Very strong and stable emission, without fluctuations.
- Shorts and GAS: Absent.
Condition:
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Condition: Vintage Tubes - Tested and fully functional - Supplied in original box.
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Functionality: Perfectly operational.
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Aesthetic condition: Excellent – Labels well preserved, minimal signs of age. See photos for details.
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Manufacturing Code: 62-35 188 → RMA/EIA Open Date Code → manufactured in the 35th week of 1962 - 188 → General Electric Company, Syracuse 1, N. Y.
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