The Vinnie Rossi Brama Preamplifier is a reference pure-analogue line preamplifier engineered around the distinctive musical qualities of the directly heated 300B triode. At its heart, a matched pair of Western Electric WE300B valves is dedicated solely to voltage gain, allowing the 300Bs to operate without the demands of driving loudspeakers and preserving exceptional tonal integrity, transparency and dynamic expression.
A custom ultra-low-noise super-regulated linear power supply provides clean, low-impedance power to the audio circuitry, while a 100-step resistor-ladder volume control allows exceptionally precise level adjustment. Five balanced inputs, three independent balanced outputs and selectable gain provide extensive system flexibility, while the solid-block aluminium chassis provides comprehensive EMI shielding and resonance control for a remarkably quiet and refined analogue platform.
Key Features
Pure-analogue line preamplifier
Matched pair of Western Electric WE300B directly heated triodes
300B valves dedicated solely to voltage gain
Ultra-low-noise super-regulated linear power supply
Power supply enclosed within its own grounded chamber
100-step resistor-ladder volume control
Selectable gain: 0dB, +6dB and +12dB
Five balanced XLR inputs
RCA-to-XLR adapters included
Three independent volume-controlled balanced XLR outputs
12-step left/right balance adjustment
Independent gain and balance memory for each input
Home Theatre Bypass mode
Brama Link for integration with Brama Monoblocks
Custom analogue VU/volume gauge
Sapphire crystal gauge lens
Swiss rotary encoders with magnetic sensing
Bluetooth remote control with 2.4-inch display
Frequency response: 5Hz–100kHz (±0.5dB)
Signal-to-noise ratio: >100dB
Output voltage: up to 10Vrms
Output impedance: <100Ω
Solid-block aluminium chassis
Dimensions: 475 × 381 × 140mm
Weight: 20.9kg
The Vinnie Rossi Brama Preamplifier is a reference pure-analogue line preamplifier engineered around the distinctive musical qualities of the directly heated 300B triode. At its heart, a matched pair of Western Electric WE300B valves is dedicated solely to voltage gain, allowing the 300Bs to operate without the demands of driving loudspeakers and preserving exceptional tonal integrity, transparency and dynamic expression.
A custom ultra-low-noise super-regulated linear power supply provides clean, low-impedance power to the audio circuitry, while a 100-step resistor-ladder volume control allows exceptionally precise level adjustment. Five balanced inputs, three independent balanced outputs and selectable gain provide extensive system flexibility, while the solid-block aluminium chassis provides comprehensive EMI shielding and resonance control for a remarkably quiet and refined analogue platform.
Key Features
Pure-analogue line preamplifier
Matched pair of Western Electric WE300B directly heated triodes
300B valves dedicated solely to voltage gain
Ultra-low-noise super-regulated linear power supply
Power supply enclosed within its own grounded chamber
100-step resistor-ladder volume control
Selectable gain: 0dB, +6dB and +12dB
Five balanced XLR inputs
RCA-to-XLR adapters included
Three independent volume-controlled balanced XLR outputs
12-step left/right balance adjustment
Independent gain and balance memory for each input
Home Theatre Bypass mode
Brama Link for integration with Brama Monoblocks
Custom analogue VU/volume gauge
Sapphire crystal gauge lens
Swiss rotary encoders with magnetic sensing
Bluetooth remote control with 2.4-inch display
Frequency response: 5Hz–100kHz (±0.5dB)
Signal-to-noise ratio: >100dB
Output voltage: up to 10Vrms
Output impedance: <100Ω
Solid-block aluminium chassis
Dimensions: 475 × 381 × 140mm
Weight: 20.9kg
