3-Zigma Z-47 Tube Condenser Microphone

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15.00 LBS
Calculated at Checkout
Custom Shop Microphones require approximate 2 week lead time
  • 3-Zigma Z-47 Tube Condenser Microphone
  • 3-Zigma Z-47 Tube Condenser Microphone


The Z-47 is 3-Zigma's flagship U47 style microphone. It utilizes a custom designed GK-D Dual Diaphragm Capsule. Each capsule is hand-tested and installed in 3-Zigma's US Facility in the Pacific Northwest. 

The Z-47 features Class-A, discrete electronics. 3-Zigma uses the best quality materials and building methods in each of its Z-series microphones.

3-Zigma recommends a Sowter transformer for their stock configuration of the Z-47.

Z-47 Includes:
  • Power Supply with 9 Selectable Polar Patterns 
  • Choice of Jensen, Sowter, or Lundahl Transformer
  • Hand-selected tube
  • Jewel box with additional 3 replacement tubes
  • Premium Accusound Silver Cables
  • Wood Display Box
  • Premium Shock Mount
  • Additional Standard Mount
  • Metal-Mesh Pop Filter
  • Aluminum Flight Case
Lead Time
General lead time for a 3-Zigma Custom Shop microphone can be approximately 2-weeks from your order to completion and shipping.
Custom Color Requests
Custom colors may incur an additional $250 cost.
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Body Color: White

Capsule Model: GK-47D

Stock Transformer: Sowter

Directional Pattern: 9 patterns including Omni, Cardioid, Figure 8 and 6 intermediate positions

Impedance Converter: 9 pin twin triode; Comes with 4 Tubes including 12AX7 and 12AY7

Frequency range: 20Hz~20kHz

Sensitivity: -34dB (14.1mV/Pa)

Output impedance: < 250 Ohms

Recommended Load Impedance: > 1200 Ohms

Equivalent Noise (A-Weighted Typical): 16 dBA

S/N ratio (A-weighted, rel 1Pa): 78dB

Maximum SPL For 1 % THD @ 1000 Hz: 129 dB

Dynamic range (A-weighted, THD 0.5%): 115 dB

Power Requirement: Dedicated ADK “Custom Shop” power supply

Relative Humidity: 90% (C) / 85% (C)

Connector: 7 pin multi-pin cable (supplied)

Size: Diameter 53mm (2.1”) Length 225mm (8.9”)

Net Weight: 750gm (26.5oz)

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