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Product Detailed Parameters
- Description：TUBE OUTPUT TRANSFORMER, SINGLE
- Series：1626
- Mfr：Hammond Manufacturing
- Package：Bulk
- Mounting Type：Chassis Mount
- Size / Dimension：-
- Height - Seated (Max)：-
- Termination Style：Wire Leads
- Turns Ratio - Primary:Secondary：-
- Impedance - Primary (Ohms)：600
- Impedance - Secondary (Ohms)：4, 8, 16
- DC Resistance (DCR) - Primary：15Ohm
- DC Resistance (DCR) - Secondary：-
- Transformer Type：General Purpose
- Frequency Range：20Hz ~ 20kHz
- Frequency Response：±1dB
- Voltage - Isolation：2000V
- Insertion Loss：-
- Return Loss：-
- Power Level：-
- Operating Temperature：-
- Approval Agency：-
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Overview
The Hammond Manufacturing 1626SEA is a single-ended tube output transformer designed for audio applications. It features a primary impedance of 600 ohms and supports a power rating of 25 watts. The secondary winding provides multiple tap options, including 4, 8, and 16 ohms, to accommodate various speaker configurations. The device operates within a frequency range of 20 Hz to 20 kHz and has an inductance of 2.9 H with a maximum DC current of 250 mA. Physical dimensions are approximately 112.8 x 95.3 x 116.6 mm.
Feature Summary
- Single-ended output configuration optimized for tube amplifier circuits
- Multi-tap secondary winding supporting 4, 8, and 16 ohm loads
- Wide frequency response covering the full audible spectrum from 20 Hz to 20 kHz
Applications
- Tube-based guitar amplifiers
- Hi-Fi audio output stages
- Vintage audio equipment restoration
Procurement Notes
Verify that the required secondary impedance taps (4, 8, or 16 ohms) match your specific amplifier design. Confirm that the primary impedance of 600 ohms aligns with your tube plate requirements. Ensure the physical footprint fits within the chassis enclosure. Check for any pinout variations if replacing existing units in legacy designs.
Selection Notes
Select this component when a single-ended topology is required rather than push-pull. The 600-ohm primary suits specific tube types; verify compatibility with your chosen vacuum tubes. Consider the 25-watt power handling relative to your amplifier's output stage capabilities. The multi-tap secondary offers flexibility for different speaker impedances without needing additional matching transformers.
Part Context
This transformer belongs to Hammond Manufacturing's line of audio signal and power transformers. It is specifically engineered for high-fidelity audio reproduction in tube amplifier architectures. The design prioritizes low distortion and accurate frequency response across the audible band, making it suitable for professional and enthusiast audio applications.
Replacement Considerations
Direct substitutes may include other Hammond single-ended output transformers with identical 600-ohm primary and compatible secondary taps. Verify that replacement units maintain the same 25W power rating and 2.9H inductance to preserve tonal characteristics. Ensure physical mounting dimensions are compatible with the existing chassis layout.
FAQ
What is the primary impedance of the 1626SEA?
The primary impedance is 600 ohms.
Does this transformer support push-pull configurations?
No, the 1626SEA is designed exclusively for single-ended output applications.
What secondary impedance options are available?
The secondary winding provides taps for 4, 8, and 16 ohms.
