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Mods for the 435

  • Microphone PartsMicrophone Parts
    See a list of replacement capsule and circuit upgrade options for the Apex 435: Apex 435 Mods.

CardioidApex Electronics 435

Cardioid Condenser Microphone

The Apex 435 is a large-diaphragm, fixed-cardioid condenser mic with a small form factor — just ~150mm tall. It appears to be a rebadged Alctron HSMC001W, and shares a circuit design with the CAD GXL2200 and Nady SCM-800. Yet the MC001 and SCM-800 use a small-diaphragm capsule, while the 435 and GXL2200 use a 32mm K67.

The capsule has only one diaphragm metallized (which is typically true for inexpensive Cardioid condenser mics).

There is a switchable high pass filter, but accessing it requires opening the mic to reach a switch on the circuit board. The manufacturer recommends leaving the switch engaged “in virtually all recording and live sound applications.”

Apex 435 PCBThe two circuit boards in the samples we’ve seen utilize the well-known Schoeps-style transformerless circuit, with the addition of the aforementioned high-pass filter (-6dB @ 100Hz).

The body is made of machined brass with a scratch-resistant anodized finish, and ships with an elastic shockmount (Apex p/n IMC-3) and soft storage pouch.

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Specifications

Pickup Patterns Pads & Filters
Cardioid (14 mV/Pa; 20 - 20,000 Hz)
  • Filter: HPF: -6dB @ 100hz (Via Switch)
Capsule Dimensions Impedance SPL/Noise
Diaphragm diameter: 25mm
Capsule diameter: 32mm
200 Ohms (Low) Max SPL: 140 dB
Weight Length Max Diameter Interface(s)
330g (11.64oz) 152mm (5.98'') 50mm (1.97'')
  • 3-pin XLR male (1)
Power Specifications
  • Requires phantom power
  • Phantom voltage: 48v

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