Apeks
Apeks MTX-RC (current single-cylinder successor to the discontinued MTX-R)
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Best Dive Regulators · head-to-head
Apeks MTX-RC (current single-cylinder successor to the discontinued MTX-R) vs Cressi AC25M Master Cromo (corrected from misspelled seed "Master Crono")
A sourced, side-by-side comparison. Cressi AC25M Master Cromo (corrected from misspelled seed "Master Crono") is cheaper at $629.95. Every spec and price links to its source.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Apeks MTX-RC (current single-cylinder successor to the discontinued MTX-R) |  Cressi AC25M Master Cromo (corrected from misspelled seed "Master Crono") |
|---|---|---|
| US price | — | $629.95 |
| Brand | Apeks | Cressi |
| Released | — | — |
| First stage type | diaphragm | piston |
| Balanced | Yes | Yes |
| Din or yoke | DIN, yoke, and M26 thread | DIN (300 bar) and INT/yoke (230 bar) versions |
| Hp lp ports | 2 HP / 5 LP (4 on rotating turret) | 2 HP / 5 LP (4 on rotating turret + 1 co-axial hi-flow) |
| Cold water rated | Yes | Yes |
| Environmentally sealed | Yes | No |
| Adjustable venturi controls | venturi lever + opening-effort control knob | external IP adjustment (Allen key) + venturi knob + adjustable inhalation effort |
| Weight (g) | — | 1123 |
Sources — Apeks MTX-RC (current single-cylinder successor to the discontinued MTX-R): uk.apeksdiving.com (verified 2026-08-11). Cressi AC25M Master Cromo (corrected from misspelled seed "Master Crono"): cressiamerica.com (verified 2026-08-11).
What's the difference between the Apeks MTX-RC (current single-cylinder successor to the discontinued MTX-R) and Cressi AC25M Master Cromo (corrected from misspelled seed "Master Crono")?
Where the two actually differ on the specs we track (5 of 8). Matching specs are omitted.
- First stage type: Apeks MTX-RC (current single-cylinder successor to the discontinued MTX-R) diaphragm vs Cressi AC25M Master Cromo (corrected from misspelled seed "Master Crono") piston
- Din or yoke: Apeks MTX-RC (current single-cylinder successor to the discontinued MTX-R) DIN, yoke, and M26 thread vs Cressi AC25M Master Cromo (corrected from misspelled seed "Master Crono") DIN (300 bar) and INT/yoke (230 bar) versions
- Hp lp ports: Apeks MTX-RC (current single-cylinder successor to the discontinued MTX-R) 2 HP / 5 LP (4 on rotating turret) vs Cressi AC25M Master Cromo (corrected from misspelled seed "Master Crono") 2 HP / 5 LP (4 on rotating turret + 1 co-axial hi-flow)
- Environmentally sealed: Apeks MTX-RC (current single-cylinder successor to the discontinued MTX-R) true vs Cressi AC25M Master Cromo (corrected from misspelled seed "Master Crono") false
- Adjustable venturi controls: Apeks MTX-RC (current single-cylinder successor to the discontinued MTX-R) venturi lever + opening-effort control knob vs Cressi AC25M Master Cromo (corrected from misspelled seed "Master Crono") external IP adjustment (Allen key) + venturi knob + adjustable inhalation effort