Micro Seiki BL-91 vs Oracle Delphi
Side-by-side specifications and a plain-English account of the recorded differences. Full profiles: Micro Seiki BL-91 · Oracle Delphi.
| Specification | Micro Seiki BL-91 |
Oracle Delphi |
|---|---|---|
| Price | Highlighted difference. $1,150 (used) | $13,150 (used) |
| Category | Vintage | Vintage |
| Status | discontinued | current |
| Years | 1980–? | 1979–present |
| Drive | belt drive | belt drive |
| Speeds | 33/45 rpm | 33/45 rpm |
| Operation | manual | manual |
| Cartridge supplied | None | None |
| Phono stage | No | No |
| USB output | No | No |
| Bluetooth | No | No |
| Platter | high-mass gunmetal-toned alloy | aluminium with damping |
| Tonearm | none (armboard for arm of choice; often MA-505) | none (sold armless) |
| Wow & flutter | — | — |
Practical differences
Highlighted cells show a lower reference price, support for more listed speeds, or the presence of a convenience feature. They are not an overall score.
On price alone the Micro Seiki BL-91 costs less, coming in $12,000 (about 1043%) below the Oracle Delphi.
Both are belt-drive, so that part of the experience should feel similar on either deck: a motor that's mechanically isolated from the platter by an elastic belt, which is the usual route to a quieter noise floor — the default choice across most of hi-fi.
The Micro Seiki BL-91 is discontinued, so that side of this comparison is really "used Micro Seiki BL-91 vs new Oracle Delphi" — factor in condition, service history and the lack of a warranty against a fresh unit with manufacturer support.
Bottom line: the Micro Seiki BL-91 has the lower reference price; the table shows which documented features change with the $12,000 gap.
Retailer searches
4 US retailers handle used or discontinued decks like this — each outbound link searches the deck on that retailer’s site.
| Retailer | Type | Shipping | Product search |
|---|---|---|---|
| eBay | marketplace | Shipping set per seller; many listings ship free within the US. | Search at eBay ↗ |
| Guitar Center | music retail | Free standard shipping on most orders $25+. | Search at Guitar Center ↗ |
| Reverb | used marketplace | Shipping set per seller; many listings ship free within the US. | Search at Reverb ↗ |
| Upscale Audio | hifi independent | Free USA shipping on orders over $99 (exclusions for oversized items). | Search at Upscale Audio ↗ |
Live retailer offers
Checking current in-stock offers for Oracle Delphi…