Raven Audio Nightingale DHT Preamplifier

The Nightingale is a unique vacuum tube preamplifier designed around the most popular SET tubes; You have a choice of a design based on the 45/2A3 or 2.5V 300B tubes. Over the past several years, the Nightingale's design concept has been brought to life.

The heart of all separate-component systems is the preamplifier, so the Nightingale line stage is hand-wired point-to-point with high quality wire. It features a remote ALPS 50k ohm volume control. 

Features

* Remote volume

*Neutrik RCA and XLR connectors

* High current Toroidal transformers

*Separate power supplies for remote volume and relay input board.

* 4x RCA input; 3x in balanced unit with 1x balanced XLR

* 2x RCA outputs plus on XLR output

* ALL Inputs/Outputs transformer coupled in balanced design.

Power Supply

Like all Raven Audio products, the Nightingale utilizes a hearty power supply. Starting with the high current transformer to the fully regulated DC filament supplies for each of the tube filaments, the Nightingale power supply is designed to perform. A new regulated DC filament supply has been designed allowing a constant 2.5V for for the 45, 2A3 and 2.5v 300B tubes. The main B+, filament supplies are all each powered by separate high current transformers. The B+ feeding the tubes utilizes a CLC topology with a choke loaded anode for each tube. What does this mean? Rather than feeding the plate from a capacitor or resistor, a choke is used in its place. The Nightingale has an extremely low noise floor resulting in a jet black background.

Output impedance:

• 180 ohms balanced
• 150 ohms single ended
• Gain: <1dB
• Tubes: 

2x 2A3 or

2x 45 or

           2x  2.5V 300B

• Dimensions: 16" W x 16" D x 4.5" H with feet, 9.5" H with tubes