Vinnie Rossi Brama Preamplifier

In any exceptional audio system, the preamplifier doesn’t just pass the signal, it defines it. It sets the tone, shapes the silence between the notes, and lets the music speak freely.

The Brama Preamplifier is built on this belief. At its heart lies a unique 300B directly heated triode linestage using Western Electric’s iconic WE300B tubes, chosen for their unmatched ability to preserve tonal integrity and reveal the soul of your source components.

What truly sets Brama apart is its intention. Every detail, from the controls to the pure signal path, is designed to deepen your connection to the music. 

Features:

Controls

• Volume Control: 100-step resistor ladder for smooth, precise volume adjustment.

• Input Selection: Choose from 5 balanced inputs.

• Gain: Selectable gain (0dB, +6dB, +12dB) for optimal system matching.

• Balance: 12-step left-to-right adjustment for perfect stereo imaging.

• Memory Inputs: Gain and Balance preferences saved independently per input.

• Home Theater Bypass Mode: Quickly engage bypass for seamless integration with AV systems.

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Front Panel

Left Knob: 24-position Swiss rotary encoder with magnetic sensing and pushbutton for power On/Off.

Right Knob: 48-position Swiss rotary encoder with magnetic sensing and pushbutton for mute and Volume/VU mode selection.

VU Gauge: Custom analog meter with selectable volume or VU display modes.

Gauge Glass: Sapphire crystal lens for clarity and long-term durability.

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Rear Panel

Line-Level Inputs: Five balanced XLR inputs; RCA-to-XLR adapters included.

Line-Level Outputs: Three independent volume-controlled XLR outputs for flexible integration.

USB-C Jack: For firmware updates

Brama Link: Trigger output or direct interface with Brama Monoblocks.

AC Input Jack: IEC 320-C14 with integrated fuse holder.

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Remote Control

Display: 2.4” high-resolution LCD with sapphire glass

Connectivity: Bluetooth, eliminating line-of-sight-limitations.

Battery: User-replacable 3.7V Li-ion rechargeable.

Charging: USB-C for quick, convenient recharging.

Construction: Milled from a solid block of aluminum

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Travel Case

The Brama Preamplifier ships in a rugged, airtight hard case with:

• Custom foam interior

• Six heavy-duty latches

• Retractable handle and wheels

• Automatic air-pressure release valve.

Specifications:

• AC Mains Input: 100–264V AC (50–60Hz)

• THD+N: < 0.1% (20Hz–20kHz)

• Frequency Response: 5Hz – 100kHz (±0.5dB)

• Signal-to-Noise Ratio: > 100dB

• Input Impedance: 20kΩ

• Gain Settings: 0dB, +6dB, +12dB

• Output Voltage: Up to 10Vrms

• Output Impedance: < 100Ω

• Triodes: Western Electric WE300B (matched pair)

• Fuse: 4A 250V (5×20mm), Fast Blow, Ceramic

• Power Consumption (Idle): 45W

• Product Weight: 46 lbs (20.9 kg)

• Product Dimensions (incl. knobs, jacks, feet): 18.7″ × 15″ × 5.5″ (475mm × 381mm × 140mm)

• Remote Dimensions: 6″ × 2″ × 0.5″ (150mm × 50mm × 12.5mm)

• Shipping Weight: 80 lbs (36 kg)

• Shipping Carton Dimensions: 26″ × 26″ × 15″ (66cm × 66cm × 38cm)