Specs side by side
2 parts compared · 0 differing specs across 5 total parameters.
| Parameter | ||
|---|---|---|
| Case | Thick-film hybrid (SIP) | Thick-film hybrid (SIP) |
| Component Category | Audio Power Amplifiers (Hybrid Modules) | Audio Power Amplifiers (Hybrid Modules) |
| Market Reality | The Sanyo STK thick-film modules powered a generation of Japanese and European hi-fi: a complete two-channel class-AB power stage on a ceramic substrate, bolted to the heatsink, no adjustment, no discrete matching - the appeal that made them everywhere and the reason the mid-2000s discontinuation left thousands of amplifiers unserviced. What remains is one of the worst counterfeit markets in analog audio: genuine Sanyo stock is old and finite, and the reproduction modules are identifiable by substrate and mask details that repair forums documented long before this page. The substitution path is equally documented: the higher-power members of the same series share the pinout with a two-pin bridge at the input end. | The Sanyo STK thick-film modules powered a generation of Japanese and European hi-fi: a complete two-channel class-AB power stage on a ceramic substrate, bolted to the heatsink, no adjustment, no discrete matching - the appeal that made them everywhere and the reason the mid-2000s discontinuation left thousands of amplifiers unserviced. What remains is one of the worst counterfeit markets in analog audio: genuine Sanyo stock is old and finite, and the reproduction modules are identifiable by substrate and mask details that repair forums documented long before this page. The substitution path is equally documented: the higher-power members of the same series share the pinout with a two-pin bridge at the input end. |
| Role In Circuit | Original Reference Part | Original Reference Part |
| Sourcing Status | Active Shenzhen Spot Sourcing (24–48h) | Active Shenzhen Spot Sourcing (24–48h) |
Parts
- STK403-070 ·
- STK403-070 ·