1 / 8Specifications
- Brand
- Antek
- Model
- mark 3
- Country of Origin
- United States
About this product
Replacement Output Transformer for A-431 Tube Amplifier – Mark III This replacement output transformer is designed for the A-431 Tube Amplifier Mark III, providing a reliable replacement for the original output transformer. It is designed to provide the proper impedance matching between the amplifier's output tubes and…Read full descriptionShow less
Replacement Output Transformer for A-431 Tube Amplifier – Mark III
This replacement output transformer is designed for the A-431 Tube Amplifier Mark III, providing a reliable replacement for the original output transformer. It is designed to provide the proper impedance matching between the amplifier's output tubes and speaker load for stable and efficient audio operation.
Features:
- Direct replacement for the A-431 output transformer – Mark III
- Designed specifically for the P-782/A-431 Mark III tube amplifier
- Proper impedance matching for the amplifier output stage
- High-quality construction for reliable long-term operation
- Heavy-gauge copper windings
- Suitable for amplifier restoration and replacement applications
- Designed to provide clean and consistent audio performance
Important: Please verify the original transformer specifications, mounting dimensions, output impedance, and speaker connections before installation. The wire colors may differ from those of the original transformer. Please verify each wire connection carefully before installation.
Description written by a seller of this product on eBay. Store, shipping, payment and contact text has been removed. Check each offer for that seller's own terms.
Compare offers
1 listing from 1 seller. Prices update periodically. Only one listing of this exact product was found; more sellers appear here as they are discovered.
- Lowest price
- $120.00
- Offers
- 1from 1 seller
| Seller | Condition | Ships from | Price | Shipping | Delivery & returns | Total | |
|---|---|---|---|---|---|---|---|
antek-inc via eBay 99.7% positive · 10,132 ratings Highly rated seller | New | United States | $120.00Lowest price | Free | Est. Oct 23 – Oct 29 | $120.00 | View Deal |
Seller ratings are the feedback eBay reports for each seller. "Highly rated" means at least 98% positive from at least 100 ratings. Total = price + shipping, shown only when the listing states its shipping cost.
Price history
Lowest price available each day, tracked since Oct 7, 2026 (22 days).
- Current lowest
- $120.00
- Previous price
- No change yet
- Lowest recorded
- $120.00
- Highest recorded
- $120.00
- Trend
- → Stable
- since Oct 7
The lowest price for all conditions has not changed in this period, so there is no trend to chart yet.
History is built only from prices this site observed, starting the day tracking began; nothing is estimated or back-filled. Each point is the lowest price among the offers available that day. Shipping, duties and taxes are not included.
