Heritage Audio
Heritage Audio LANG Silverr 47
Heritage Audio LANG Silverr 47
Warsaw Showroom
Nowogrodzka 6
102
00-513 Warszawa
Polen
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Heritage Audio LANG Silverr 47 is a dual-channel, all-tube microphone and instrument preamp inspired by the legendary 1960s British studio sound. Each channel features a NOS 6AU6 input pentode and a JJ E88CC output tube, paired with custom-made LANG input and output transformers. This combination delivers rich harmonic coloration, musical saturation and a powerful, vintage-influenced tone suitable for vocals, instruments and line sources.
The stepped gain control provides increments of 6 dB from +22 dB to +52 dB, along with a special “NFB” (No Feedback) mode that introduces increased harmonic distortion for creative coloration and analogue-style drive. Front-panel controls include mic input, DI input, –20 dB pad, 48 V phantom power, phase inversion and an 80 Hz high-pass filter, allowing flexible use in a wide range of recording scenarios.
The Silverr 47 features transformer-balanced outputs and a stepped output attenuator for precise level control. Housed in a robust 2U 19″ chassis, it is built for demanding studio environments where reliability, tonal character and high-end tube performance are essential.
KEY FEATURES
- Dual-channel all-tube preamp (NOS 6AU6 + JJ E88CC per channel)
- Custom LANG input and output transformers
- Stepped gain: +22 to +52 dB in 6 dB increments
- Unique NFB mode for enhanced harmonic saturation
- Front DI input, –20 dB pad, 48 V phantom power, phase reverse, 80 Hz high-pass filter
- Transformer-balanced outputs with stepped output level control
- Designed for classic tube clarity or rich, driven saturation
TECHNICAL SPECIFICATIONS
- Input Impedance (Mic): approx. 1.5 kΩ, transformer balanced
- Line Input Impedance: approx. 10 kΩ, transformer balanced
- DI Input Impedance: >2 kΩ, unbalanced
- Output Impedance: <200 Ω, transformer balanced
- Gain Range: +22 to +52 dB; NFB mode adds additional saturation
- Frequency Response: 20 Hz – 20 kHz (±0.5 dB)
- THD: typically <0.2% in normal mode; up to ~1% in NFB mode
- Dimensions: approx. 481 × 88 × 211 mm (2U, 19″ rack)
- Weight: approx. 5.6 kg
