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 Atomic Aquatics B2
A sourced, side-by-side comparison. Apeks MTX-RC (current single-cylinder successor to the discontinued MTX-R) is cheaper at —. Every spec and price links to its source.
Atomic Aquatics
Atomic Aquatics B2
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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) | Atomic Aquatics B2 |
|---|---|---|
| US price | — | — |
| Brand | Apeks | Atomic Aquatics |
| Released | — | — |
| First stage type | diaphragm | piston |
| Balanced | Yes | Yes |
| Din or yoke | DIN, yoke, and M26 thread | DIN and yoke |
| Hp lp ports | 2 HP / 5 LP (4 on rotating turret) | 2 HP / 5 LP (on swivel cap) |
| Cold water rated | Yes | — |
| Environmentally sealed | Yes | Yes |
| Adjustable venturi controls | venturi lever + opening-effort control knob | AFC (Automatic Flow Control) with manual detune knob |
| Weight (g) | — | 1134 |
Sources — Apeks MTX-RC (current single-cylinder successor to the discontinued MTX-R): uk.apeksdiving.com (verified 2026-08-11). Atomic Aquatics B2: atomicaquatics.com (verified 2026-08-11).
What's the difference between the Apeks MTX-RC (current single-cylinder successor to the discontinued MTX-R) and Atomic Aquatics B2?
Where the two actually differ on the specs we track (4 of 8). Matching specs are omitted.
- First stage type: Apeks MTX-RC (current single-cylinder successor to the discontinued MTX-R) diaphragm vs Atomic Aquatics B2 piston
- Din or yoke: Apeks MTX-RC (current single-cylinder successor to the discontinued MTX-R) DIN, yoke, and M26 thread vs Atomic Aquatics B2 DIN and yoke
- Hp lp ports: Apeks MTX-RC (current single-cylinder successor to the discontinued MTX-R) 2 HP / 5 LP (4 on rotating turret) vs Atomic Aquatics B2 2 HP / 5 LP (on swivel cap)
- Adjustable venturi controls: Apeks MTX-RC (current single-cylinder successor to the discontinued MTX-R) venturi lever + opening-effort control knob vs Atomic Aquatics B2 AFC (Automatic Flow Control) with manual detune knob