Roger Mayer D1 Active Interface

Roger Mayer 456 Analogue Tape + A80 Recorder Modeller

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The Roger Mayer D1 Active Interface is a highly transparent DI box and reamping device with three outputs with ultrawideband transformer and discrete Class A amplifier circuit.

The Roger Mayer D1 Active Interface boasts Roger’s proprietary custom ultra wideband transformers hand-wound by Roger Mayer himself. These are the same transformers used in the RM456 mic preamp.

Furthermore, the D1 uses a Class A transformer driver circuit with low-noise semiconductors, all offering a new level of transparency and detail. The D1 has a huge amount of headroom which partnered to its custom low impedance balanced transformer delivers the ideal interface with modern DAW recording systems.

A Speaker Monitor Mode lets you capture the signal and tone of a guitar amplifier or power amp. It can handle amplifiers up to 1200 Watts. Furthermore, it can be employed as a reamping box using both Thru and Buffered Outputs. The Input Range also accepts professional line level sources all the way up to DAW output level while the From Amp Input can be used as a -20dB Pad for signals exceeding normal line levels.

The D1 also includes a +48V Phantom Power, 180deg polarity and ground lift switch. The D1 is housed in a rugged stainless steel enclosure with chrome finish side panels which provide an easily erasable surface for marking its designated purpose.

Roger Mayer D1 Active Interface Main Features:

Roger Mayer designed and personally hand winds, manufactures and tests each custom exclusive Ferrite Core Transformer himself to ensure that ultimate quality is maintained. The Ferrite Cores are manufactured in the EU by the leading World manufacturers.
Discrete Class A amplifier optimised for overall performance with exceptional low noise and distortion.
Dual powering modes from Phantom or External Power. Internal extra filtering ensures low noise performance is maintained.
Wire-free construction using direct component and socket PC mounting with ultimate triple shielding from internal 6 layer PC ground planes. Vibration friendly.
Very Low Harmonic Distortion comprising of 80% 2nd Harmonics. 0.01% from 50 -50Khz and 0.97% at 16Hz at +10dBu input level. This gives great musicality to the circuit with no crossover distortion or other artefacts present.
Noise output better than -120dBu A-weighted – source impedance 200-10K Ohm
Sub Low-Frequency response -0.6dB at 10Hz ref 1Khz.
Ultra-Flat Frequency Response +/- 0.1dB from 50 – 50kHz
High Frequency Response -3dB at 200kHz. Giving great transparency and detail capture
High Input Headroom of +21dBu
Input overvoltage protection
Phase performance -3° at 50Hz to +6° at 20Khz ensures best possible recording performance
180° Phase Shift Push Button
Ground Lift Push Button
Speaker Mode
Re-amplifying to low impedance transformer balanced output
Size: 135 W x 130 D x45 H Weight: 850g

Brand

Roger Mayer

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