UNIVERSAL AUDIO SOLO/610 Classic Tube Preamplifier & DI Box

The UNIVERSAL AUDIO SOLO/610 Classic Tube Preamplifier & DI Box is a premium single-channel all-tube microphone preamplifier and direct injection box that brings the legendary sound of Bill Putnam Sr.'s iconic 610 console into a compact desktop format. Designed for recording engineers, musicians, producers, and home studio owners, the SOLO/610 delivers the rich harmonic warmth, smooth saturation, and vintage character that helped define countless classic recordings. (Universal Audio)

At the heart of the SOLO/610 is the authentic 610 tube preamp circuit, featuring a fully tube-based signal path and transformer-balanced design. The unit is capable of producing everything from clean, detailed recordings to thick, harmonically rich vintage coloration simply by adjusting the Gain and Level controls. This flexibility makes it suitable for vocals, acoustic instruments, electric guitars, bass, keyboards, and professional voice recording applications. (Universal Audio)

The preamp features selectable input impedance settings for both microphone and instrument inputs, allowing users to optimize the interaction between microphones, pickups, and the preamp circuitry. This unique feature provides additional tonal flexibility and helps users tailor the sound to different recording sources. (Universal Audio)

In addition to its microphone preamp capabilities, the SOLO/610 includes a professional-grade DI (Direct Injection) input, making it an outstanding choice for recording bass guitars, electric guitars, keyboards, and other instruments directly. The DI section includes a dedicated Thru output, allowing simultaneous connection to an amplifier while capturing a direct recording signal. (Helios Online)

The unit includes essential studio features such as 48V phantom power, phase reverse, low-cut filtering, ground lift, and selectable Mic/Line output levels, providing maximum flexibility for professional recording environments. Despite its compact footprint, the SOLO/610 retains the sonic character and build quality found in Universal Audio's larger 610-series products. (Helios Online)

Handcrafted in the USA using premium components, the SOLO/610 continues the legacy of one of the most respected tube preamp designs in recording history. It remains a favorite among engineers seeking classic analog warmth and musicality without the complexity of a full channel strip. (Universal Audio)

Key Features:

• Classic Putnam 610 tube microphone preamplifier

• Professional all-tube signal path

• Single-channel desktop preamp design

• Integrated DI (Direct Injection) input

• Authentic vintage tube character and warmth

• Gain and Level controls for tonal shaping

• Selectable microphone input impedance

• Selectable instrument input impedance

• 48V phantom power

• Phase reverse switch

• Low-cut filter

• Ground lift function

• Mic/Line output level selection

• Transformer-balanced design

• Maximum gain: 61dB

• Frequency response: 20Hz – 20kHz

• XLR microphone input

• Hi-Z instrument input

• DI Thru output

• Ideal for vocals, bass, guitars, keyboards & studio recording

• Handcrafted professional studio hardware

• Made in the USA (Universal Audio Support)

🔹 Legendary 610 Tube Tone. Classic Analog Warmth. Built for Professional Recording Excellence. (Universal Audio)