drefahlaudio.com

dn221-vrx / dn221 standard / PTK phantom to t-power converter / neumann m49 psu updated / NEW DN-RC controller psu

The most comprehensive microphone power supply range ever ! Precision-controlled voltages, excellent noise and interference rejection. German broadcast-grade handcrafting, designed for decades of flawless operation. Field-proven and recommended by professionals worldwide. The ideal substitute for worn-down or missing original devices.
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DN221 SERIES GENERAL INFORMATION (pdf english german)

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DN221 for AC701-based tube microphones like neumann km, schoeps/telefunken m221, as well as the legendary CMV3 bottle.

DN221-2 same as above, for stereo pairs.

DN-RC stereo remote comtrol PSU
For tube and solid-state stereo mics like SM2, SM23, SM69, SM69fet, C24, C422 and more. Gold-contact matched 9-step selectors for perfect pattern control

DN221-E for Neumann/Gefell CMV563, M582 and other mics with EF/EC tubes.

DN221-E2 same as above, for stereo pairs.

DN221-E67 for Neumann U67 (Minituchel socket)

DN221-E67G for Neumann U67 (for use with original large Tuchel cable)

DN221-C for all Schoeps' CM6-- series

DN221-R single-channel unit with pattern control, for AKG C12, Neumann M269, M49, UM57 etc.

DN221-VR for telefunken/neumann u47/u48/CMV5. The ideal substitute for Neumann NG units..

DN221-T transformer-balanced, e.g. for akg c60 and measuring mics in recording use. Stereo unit also available

PTK
Phantom powering adaptor for 12V t-/ab-/parallel powered mics like those great Sennheiser MKHs, Neumann U77, KM73, KM74, KM76 and Schoeps CMT. Perfectly replaces bulky mains supplies and homebrewn battery boxes, at unparalled performance. (PTK spec sheet english german )
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N-TAINER  mono rack for V72-type vintage audio modules *

Single-unit rack for V72 units by Neumann, TAB, Telefunken, Maihak etc., as well as mic power supplies in the same format.

The ideal solution to operate these units individually at full electrical safety and without cabling hassle. Options include phantom powering, custom connectors etc. etc. product info (PDF)

*) Module must be sent for proper installation and testing.
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Specific requirements? Anything is feasible... Just contact us !

Non-tube power supplies ? Low-noise phantom, t-/ab or model-specific powering ?
Rare or prototype mics with unknown powering data ? We'll provide the optimal solution...

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Compatibility list
The following microphones are working flawlessly with DN or PTK powering units:
neumann: cmv3 cmv3a cmv5b km53 km54 km56 km64 km73 km74 km76 km253 km254 km256 m250 m269c u47 u48 u67 u77 m49 m50 mv101 mv201 km73 km74 km76 sm2 sm23c sm69 sm69fet --- neumann east/gefell/rft: m582 cmv551 cmv563 um57 cm7049 cm7151 cm6201 mv690 mv691 mv692 pm750 pm860 --- funkwerk leipzig cm7156 --- schoeps/telefunken/siemens/straesser: cm61 m221a/b/f cm640 cm64 cm65 cm060 cm640t cmt440 cmt34 --- sennheiser: mh125 mkh405 mkh406 mkh415 mkh416 mkh435 mkh815 mkh816 and all similar --- akg: c60 c61 c12 c12a c24 c28 c29 c30 C422 c424 --- sony: c800 --- telefunken (also USA): elam ela m250 m251 - thiele: m1 through m4 - pearlman/rode/lomo Not in the list? Just ask, we'll help !