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Equivalent & Substitute Parts Reference for Hammond Manufacturing 832
Part Overview
The Hammond Manufacturing 832 is a 1:2 audio transformer designed for broadcast-quality applications, providing primary impedances of 20k and 5k/5k ohms, and secondary impedances of 80k and 20k/20k ohms. It operates across a frequency range of 50Hz to 15kHz with a ±0.5dB frequency response and is chassis mountable via solder lugs. This part is now classified as obsolete, which necessitates the identification and use of substitute models to ensure ongoing design and maintenance compatibility in existing applications.
Substiute Parts
Key Parameters
| Manufacturer Part Number | Series | Turns Ratio - Primary:Secondary | Impedance - Primary (Ohms) | Impedance - Secondary (Ohms) | Frequency Range | Frequency Response | Power Level | Mounting Type | Termination Style | RoHS Status | REACH Status | Packaging |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 832 | 800 | 1:2 | 20k, 5k/5k | 80k, 20k/20k | 50Hz ~ 15kHz | ±0.5dB | 15dB | Chassis Mount | Solder Lug | ROHS3 Compliant | REACH Unaffected | Bulk |
Substitute Part Grouping Explanation
Substitute parts are identified based strictly on matching key electrical and mechanical parameters provided: turns ratio (1:2), frequency range (50Hz ~ 15kHz), frequency response (±0.5dB), power level (15dB), mounting type (Chassis Mount), termination method, and regulatory compliance status. Only parts with all corresponding parameters as provided are considered valid substitutes.
Parameter Comparison
| Manufacturer Part Number | Series | Turns Ratio - Primary:Secondary | Frequency Range | Frequency Response | Power Level | Mounting Type | Termination Style | RoHS Status | REACH Status | Packaging |
|---|---|---|---|---|---|---|---|---|---|---|
| 832 | 800 | 1:2 | 50Hz ~ 15kHz | ±0.5dB | 15dB | Chassis Mount | Solder Lug | ROHS3 Compliant | REACH Unaffected | Bulk |
| 832A | 800A | 1:2 | 50Hz ~ 15kHz | ±0.5dB | 15dB | Chassis Mount | Wire Leads | ROHS3 Compliant | REACH Unaffected | Bulk |
Engineering Selection Recommendations
The Hammond Manufacturing 832 is obsolete, while the Hammond Manufacturing 832A is in active production and meets all referenced compliance requirements (ROHS3 Compliant, REACH Unaffected). Both parts are available in bulk packaging. The substitute 832A uses wire leads in place of solder lugs for termination. No differences in compliance, series status, or operating characteristics are indicated in the provided parameters.
Frequently Asked Questions (FAQ)
Q1: What parameters must match for a 1:2 audio transformer like the 832 to be substituted?
A1: Turns ratio, frequency range, frequency response, power level, mounting type, and all stated compliance and packaging details must match.
Q2: Are there mechanical or termination differences between the 832 and the 832A?
A2: Both are chassis mount, but the 832 uses solder lugs while the 832A uses wire leads.
Q3: Is the substitution valid for ROHS3 or REACH mandated designs?
A3: Both the 832 and 832A are marked ROHS3 Compliant and REACH Unaffected.
Q4: Does the packaging method affect compatibility?
A4: Both parts are available in bulk packaging, which is consistent for substitution scenarios focused on component category matching.
Q5: Are there electrical differences between the 832 and 832A in the provided parameters?
A5: Based on provided data, there are no differences in rated electrical performance within the scope of listed parameters.
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