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Open Box Telefunken CU-29 "Copperhead" Cardioid Tube Mic  

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H70573004000000
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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 surpr... Read More

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$1,13960
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Overview

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.

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
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
Warranty

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  • Expedited repair
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  • 100% coverage for commercial use
  • Extended return period
  • Extended price protection
  • No lemon guarantee
  • Free transfer of coverage to a new owner
  • Repair costs covered for up to three years from date of purchase
  • Repair authorization-toll-free by phone or via the web
  • Customer Reviews
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Review Snapshot

by PowerReviews
TelefunkenCU-29 "Copperhead" Cardioid Tube Mic
 
5.0

(based on 1 review)

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(2 of 2 customers found this review helpful)

 
5.0

telefunken at its best

By miguel

from orlando

Comments about Telefunken CU-29 "Copperhead" Cardioid Tube Mic:

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

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