Factory Diaphragm GM-M-34 for Action 12 15 and Artec - Exact 8 Ohm Fit

In this review of the Factory Diaphragm GM-M-34 the bottom line is simple: this is a straight replacement part for technicians and owners who need an exact, factory-fit high frequency diaphragm for a range of D.A.S speaker boxes. The review finds the part best for repair shops and live-sound engineers who value dependable compatibility and the correct nominal impedance. It does one job and does it cleanly - restoring HF response and keeping crossover behavior unchanged when replacing an aged or damaged M34 driver diaphragm.

Key Features

• Factory original fit: The GM-M-34 is an OEM diaphragm that matches original dimensions so it installs without modification and preserves driver alignment.
• Nominal impedance 8 ohms: An 8 ohm rating ensures the diaphragm will behave correctly within the existing crossover and cabinet impedance design.
• Wide D.A.S compatibility: Fits numerous D.A.S models including Action 12, 15, Artec 506/508/526 families and DR enclosures, simplifying parts stocking.
• Brand new condition: Sold as a brand new factory diaphragm so buyers receive a fresh HF element rather than a used or refurbished part.
• Direct replacement for M34 driver: Restores the original high-frequency performance of systems built around the M34 driver without circuit changes.

Who It's For

This diaphragm is aimed at audio technicians, venue maintenance personnel, and experienced DIYers who maintain D.A.S speaker systems and need a precise, factory-spec replacement part. It is especially useful for live sound rigs and fixed installations where preserving the original acoustic characteristics and crossover behavior matters.

Those who should look elsewhere include casual buyers with non-D.A.S speakers or anyone seeking a generic universal diaphragm; this product is specifically tailored to D.A.S models and will not fit drivers with different form factors or impedance requirements.

Pros & Cons

Pros

• Exact OEM fit makes installation straightforward and avoids the need for shims or adapters.
• 8 ohm nominal impedance maintains original crossover integration and system voicing.
• Works across many D.A.S model lines, reducing the need to carry multiple variant parts.

Cons

• Limited to compatible D.A.S models and the M34 driver form factor, so it is not a universal replacement.

Specifications

Product	Factory Diaphragm GM-M-34
Compatible driver	M34 Driver
Nominal impedance	8 ohms
Compatible models	Action 12, 12A, 15, 15A; Artec 506, 508, 526 and A variants; Artec 310.64/310.96/312.64/312.96/315.64; DR-112/115/112A/115A; DR-508/512/515 and A variants
Condition	Brand New Original Factory Part

Our Verdict

The GM-M-34 diaphragm is a practical, no-frills factory replacement for anyone repairing D.A.S speakers that use the M34 driver. It preserves original impedance and voicing, making it a good value for repair shops and live-sound techs who need reliable compatibility rather than aftermarket experimentation.

Frequently Asked Questions

Will this diaphragm fit non-D.A.S drivers?
It is designed as an exact replacement for the M34 driver and D.A.S models listed; it is not intended for unrelated driver form factors.

What is the impedance of the diaphragm?
The nominal impedance is 8 ohms, matching the original M34 driver specification.

Is this a new or refurbished part?
This listing is for a brand new, original factory diaphragm, not a used or refurbished component.