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Since
the Tape Op article we have sold out of the CM47's but have more arriving in the
middle of July.
We would like to offer a Pre-sale price of $635 for the CM47 if a 50% deposit is
paid before July 7th to reserve a microphone from the next shipment and the
balanced is due when the CM47 is tested and ready for shipping. Call or
email to place order.
The CM-47 is a large
dual diaphragm, multi-pattern, tube condenser microphone based on the famous
Neumann U-47 design and specifications.
The Advanced Audio CM-47 features a very accurate yet smooth 35mm capsule with 6
micron thick German mylar diaphragms. This capsule has a frequency response
within 2 db of the Neumann K47 mylar capsules used in all U47 tube microphones
built after 1961.
The 6072 tube circuit has an optimized 2-stage class A design that provides a
lower output impedance with more headroom than the circuit used in the original
U47. The lower output impedance provides a fast damping factor when driving the
BV8 type transformer.
This dual bobbin output transformer with it hum bucking feature and our
optimized circuit will deliver +20dbu with less than 1% distortion. The output
transformer is driven with a 2.2 ufd metal film capacitor to take advantage of
the transformers response down to 10hz.
Selected 6072a tubes are some of the quietest tubes made and much less
susceptible to microphonics than the metal clad vf14 tubes used in the
original U47 tube microphone.
Specifications:
1.07 dual diaphragm
6 micron German Mylar
25hz to 20khz + or 3db
9-selectable pick-up patterns
-17db(A weight) noise
<200 ohm Impedance
.5% distortion @ 125db
Class A 6072 tube circuit
BV8 type output transformer
Robust shock-mount
Aluminum road case
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CM-47: $735.00
Including shipping |
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