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Item # 108097361 | Customer Ratings: Ratings ( 5 Based on 1 reviews)

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Telefunken CU-29 "Copperhead" Cardioid Tube Mic
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      Telefunken CU-29 "Copperhead" Cardioid Tube Mic (108097361)
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      Telefunken CU-29 "Copperhead" Cardioid Tube Mic (108097361)
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TELEFUNKEN quality at a price nearly any engineer or musician can afford

The R-F-T CU-29 “Copperhead” offers a warm, well-rounded low end accented by a delicate and intimate air in the high end. The clarity and detail are unsurpassed by any other microphones near its surprisingly low price range.

TELEFUNKEN Elektroakustik is well known for the historic recreation microphones found in the Diamond Series, which are meticulously made to historic detail with no expense spared. As such, these microphones become rather expensive for the average small studio or home enthusiast. With this in mind, the R-F-T Series of microphones was created.

The R-F-T Series of tube condenser microphones utilizes American-designed electronics in conjunction with New Old Stock (NOS) vacuum tubes and standardized parts from overseas manufacturers. Just like the Diamond Series, all R-F-T Series microphones are hand-built in TELEFUNKEN Elektroakustik’s South Windsor, Connecticut facility. With this line, TELEFUNKEN Elektroakustik is able to provide a lower-cost alternative to more expensive microphone systems, without sacrificing the qualities that would be expected from a TELEFUNKEN Elektroakustik microphone.

The CU-29 ""Copperhead"" was developed from the ground up in their South Windsor, Connecticut facility by TELEFUNKEN Elektroakustik’s in-house design team, along with the aid of some of the industry's most knowledgeable and respected consultants. Specific attention was given to circuitboard layout, with countless revisions done to optimize current flow and directness of traces. Each component was experimented with and individually selected for the best sonic and electronic qualities. Extra consideration was put on keeping high impedance lines as short as possible to maximize efficiency and minimize unwanted noise. Lastly, a wide array of output transformers was experimented with to provide the most open and sonically pleasing response.

This fine-tuned amplifier design found in the CU-29 "Copperhead" features a NOS TELEFUNKEN 6AK5W vacuum tube and a Lundahl LL1935 output transformer. Being a cardioid only microphone, the R-F-T CU-29 "Copperhead" employs a single-membrane version of the TK67 large diaphragm capsule used in the AK-47 MkII microphone, which undergoes rigorous testing in our laboratory prior to installation.

Sonically, the CU-29 "Copperhead" is a remarkably hi-fidelity microphone that provides a warm, clear low end complemented by a smooth, detailed high end. The CU-29 “Copperhead” is an excellent multi-purpose microphone that sounds great on drums, electric guitar, vocals, bass, piano and a countless number of other applications.

Each CU-29 microphone comes complete with M900 power supply, M800 25’ tube microphone cable, M700 elastic shock mount and wooden microphone box.

Telefunken CU-29 "Copperhead" Cardioid Tube Mic Features:

  • A remarkably hi-fidelity cardioid microphone
    Suitable for a wide range of applications
    New proprietary circuit design
    NOS (new old stock) TELEFUNKEN EF-95 tube
    Custom output transformer
    Stylish copper and black shaft
    Includes power supply, shock mount, 7-pin cable, and wooden box


Telefunken CU-29 "Copperhead" Cardioid Tube Mic Specifications:

  • Type: condenser pressure gradient
    Capsule: single sided gold sputtered membrane
    Frequency range: 20hz / 20khz
    Polar pattern: cardioid
    Sensitivity: 14mv/pa = -37db (0db = 1v/pa) -10bd
    Impedance: 200 ohms stock
    SPL: 138 dB
    Non linear distortion: less than or equal to 0.5% at 100 dyne / cm sq
    Equivalent noise: 16 dB (a-weighted)
    Tube type: Telefunken new old stock EF-95
    Power: dedicated power supply
    Weight: 1.54 lb. (690g)
    Size: 8" (203.2mm) length x 1-3/4" (44.45mm) diameter


Product Reviews
(Based on 1 reviews)
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  • telefunken at its best

    As reviewed by miguel on 9/11/2014

    the copperhead its worth every penny, i ve tested everything from neumanns u87 to m149 to avantones cv 12 and in my 16 years as a producer an engineer its the best mic I've came across period telefunken made a the greatest mic for the price no questions ask

    1 of 1 people found this review helpful.
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Questions about the CU-29 "Copperhead" Cardioid Tube Mic (108097361)


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