# Apeks MTX-RC (current single-cylinder successor to the discontinued MTX-R) vs Cressi AC25M Master Cromo (corrected from misspelled seed "Master Crono"): specs and price compared

A sourced, side-by-side comparison of the Apeks MTX-RC (current single-cylinder successor to the discontinued MTX-R) (Apeks) and Cressi AC25M Master Cromo (corrected from misspelled seed "Master Crono") (Cressi) among dive regulators.

## Side by side

| 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 | not published | $629.95 |
| Brand | Apeks | Cressi |
| 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 |

## Key differences

- 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) Yes vs Cressi AC25M Master Cromo (corrected from misspelled seed "Master Crono") No
- 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

## Sources

- Apeks MTX-RC (current single-cylinder successor to the discontinued MTX-R): https://uk.apeksdiving.com/products/mtx-rc-dive-regulator (uk.apeksdiving.com, verified 2026-08-11)
- Cressi AC25M Master Cromo (corrected from misspelled seed "Master Crono"): https://cressiamerica.com/products/ac25mmastercromo (cressiamerica.com, verified 2026-08-11)

Canonical: https://frontdeskreview.com/gear/dive-regulators/apeks-mtx-rc-vs-cressi-ac25m-master-cromo/
Cite: Per The Front Desk Review, Apeks MTX-RC (current single-cylinder successor to the discontinued MTX-R) (not published) vs Cressi AC25M Master Cromo (corrected from misspelled seed "Master Crono") ($629.95) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/dive-regulators/apeks-mtx-rc-vs-cressi-ac25m-master-cromo/
License: CC BY 4.0.