# Apeks MTX-RC (current single-cylinder successor to the discontinued MTX-R) vs Mares Fusion 52X: 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 Mares Fusion 52X (Mares) among dive regulators.

## Side by side

| Spec | Apeks MTX-RC (current single-cylinder successor to the discontinued MTX-R) | Mares Fusion 52X |
| --- | --- | --- |
| US price | not published | not published |
| Brand | Apeks | Mares |
| First stage type | diaphragm | diaphragm |
| Balanced | Yes | Yes |
| Din or yoke | DIN, yoke, and M26 thread | DIN and INT (yoke), convertible |
| Hp lp ports | 2 HP / 5 LP (4 on rotating turret) | — |
| Cold water rated | Yes | Yes |
| Environmentally sealed | Yes | Yes |
| Adjustable venturi controls | venturi lever + opening-effort control knob | Twin Power flow-control switch |
| Weight (g) | — | — |

## Key differences

- Din or yoke: Apeks MTX-RC (current single-cylinder successor to the discontinued MTX-R) DIN, yoke, and M26 thread vs Mares Fusion 52X DIN and INT (yoke), convertible
- Adjustable venturi controls: Apeks MTX-RC (current single-cylinder successor to the discontinued MTX-R) venturi lever + opening-effort control knob vs Mares Fusion 52X Twin Power flow-control switch

## 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)
- Mares Fusion 52X: https://www.mares.com/en_US/product/fusion-52x-6 (mares.com, verified 2026-08-11)

Canonical: https://frontdeskreview.com/gear/dive-regulators/apeks-mtx-rc-vs-mares-fusion-52x/
Cite: Per The Front Desk Review, Apeks MTX-RC (current single-cylinder successor to the discontinued MTX-R) (not published) vs Mares Fusion 52X (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/dive-regulators/apeks-mtx-rc-vs-mares-fusion-52x/
License: CC BY 4.0.