Advanced Audio CM28
Small-diaphragm hybrid tube/FET condenser microphone
Microphone$595Manufacturer list price
Specifications
- Type
- Microphone
- Description
- Small-diaphragm hybrid tube/FET condenser microphone
- Topology
- tube condenser
- Signal path
- Analog
- Channels
- 1
- Form factor
- Pencil/small-body studio microphone with external power supply
- Powered
- true
- Drivers
- 22mm low-profile externally-polarized condenser capsule, 6J1b sub-miniature pentode tube, discrete Class A hybrid circuit
- Frequency response
- 20Hz-20kHz
- Max SPL
- 124 dB (139 dB with -15dB pad)
- Sensitivity
- -37 dB (15mV/Pa)
- Polar pattern
- Cardioid, hyper-cardioid, omni-directional, wide-cardioid
- Impedance (Ω)
- 200
Details
Controls: Pattern selector, -15dB pad, 80Hz high-pass filter
I/O: 7-pin Neutrik connector to external power supply (120/220VAC); XLR output from PSU
Notes: FLAG: hybrid tube/FET design, not a stated clone of a specific classic - product copy references a Neumann KM84-style capsule design and "1970s German condensers" as inspiration, not a named single classic model. Listed as sold out/backorder (~6 months) at time of research but not marked DISCONTINUED.