Back Panel | Presonus Audio electronic Single-Channel Tube instruction

CONTROLS & OPERATION 2

2.2 BACK PANEL

The back panel of the DigiTUBE contains:

		Ext. Clock Input
				Sleeve = GND
POWER				Ring = Input
POWER				Tip = Output
18 VAC				Tip = Output
18 VAC
		Clock	Sync
DIGITUBE
Created, Designed and		48	ext.
Manufactured In The USA	S/PDIF	44.1	int.	Insert	Balanced Output
by PreSonus Audio Electronics, Inc.	S/PDIF			Insert	Balanced Output
by PreSonus Audio Electronics, Inc.

The back panel of the DigiTUBE is divided into a digital and an analog section.

2.2.1DIGITAL SECTION S/PDIF Digital Output (RCA) External Clock Input (BNC) Clock switch (44.1k and 48k)

Sync switch (Internal and External)

2.2.2ANALOG SECTION

TRS Insert

The 1⁄4” TRS Insert connector operates at line level.

Sleeve

Ring

Tip

Tip Sleeve

TIP = Output

RING = Input

SLEEVE = GND

Ring

Cable Wiring Diagram for 1⁄4” TRS Insert

PIN 1 = GND

PIN 2 = High (+)

PIN 3 = Low (-)

XLR Output Jack

The output XLR connector is servo balanced and operates at 0 = 0dB. It should be noted that the output signal available on Channel 1 and Channel 2 are identical mono outputs, not stereo.

Single-Channel Tube specifications

Presonus Audio's single-channel tube preamp is a game-changer for musicians, producers, and audio engineers looking to add warmth and character to their recordings. This device is designed to enhance any microphone or instrument signal, offering a blend of classic tube technology and modern engineering to produce a rich, detailed sound.

One of the primary features of this single-channel tube preamp is its all-tube signal path. By utilizing high-quality vacuum tubes, this preamp delivers a smooth and harmonic-rich sound that is often described as warm and lush. This characteristic makes it ideal for vocal recordings, capturing the nuances of a singer's performance, and bringing out the richness in acoustic instruments.

The preamp also incorporates a wide range of input options, including XLR and 1/4-inch connections, allowing users to easily connect various microphones and instruments. The built-in 48V phantom power provides versatility for condenser microphones, enabling users to achieve high-quality recordings without the need for additional power supplies.

Another notable technology featured in the Presonus single-channel tube preamp is the variable impedance control. This feature allows users to adjust the input impedance to match the specific needs of their microphone or instrument, optimizing the signal for better sonic clarity and detail. This flexibility ensures that every source is treated with the appropriate sonic characteristics, enhancing the overall recording quality.

In addition to its stellar sound capabilities, the preamp is equipped with a high-resolution LED metering system, providing real-time visual feedback of signal levels. This feature is essential for preventing clipping and ensuring optimal recording levels, which is critical in professional studio settings.

Furthermore, the unit includes a user-friendly interface with intuitive controls for gain, treble, mid, and bass adjustments. These features enable sound shaping on-the-fly, giving users creative control over their audio signals. The rugged build quality also ensures durability in both studio and live settings, making it a reliable choice for professionals on the go.

Overall, Presonus Audio's single-channel tube preamp showcases a perfect blend of classic tube warmth and modern functionality. With its versatile connectivity, intuitive controls, and high-quality sound, it remains a powerful tool for anyone serious about achieving professional-grade audio recordings. Whether for studio use or live performance, this preamp undoubtedly enhances any audio setup.