ADK Custom Shop CS-67 Description

Class A (Discrete) 9 Polar-Pattern Tube (Valve) Condenser Microphone built as a "One-Off" using Customize Belgium-Design PC Board built with Hi-Fi Methods and Materials, using a "No-Corners-Cut" Approach. Features German Hand-Selected Valve, Top-of-the-Line Components (including a $6 Resistor!) with Australian-Designed GK67 from the Custom Shop "Capsule-Bank". Based on ADK's Original TT Chassis, this totally Customized Mic can be built "One-Off" for each client based on one's preference for Historical, Vintage Curves - Microphone Response
Characteristics. Capsule and Electronics have both been totally upgraded on CS-67.

Capsule and Electronics have both been totally upgraded on CS-67.

The CS-67 has the early 60's vibe. Almost imperceptibly Mellow. Scoops nasal, sibilance issues in a subtle way.

ADK Custom Shop CS-67 Specifications

• CAPSULE TYPE: True condenser pressure gradient; dual 1 six microns diaphragms
• IMPEDANCE CONVERTER: 9 pin twin triode; one 12AX7 and one 12AY7 included
• POLAR PATTERN: 9 patterns including Omni, Cardioid, Figure 8 and 6 intermediate positions
• SENSITIVITY: 19mV/Pa = -32dBu (0 dBV = 1v/Pa) (with our 12AX7 tube)
• FREQUENCY RANGE: 20 Hz to 20k Hz
• OUTPUT IMPEDANCE: < 250 Ohms
• RECOMMENDED LOAD IMPEDANCE: > 1200 Ohms
• MAX SPL FOR 1% THD @ 1000 Hz: 125 dB (with 12AX7 tube)
• EQUIVALENT NOISE LEVEL: 17 dBA Typical (IEC 286-4) (with our 12AX7 tube)
• S/N RATIO @ 1Pa: 76 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)