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Universal Audio 710 Twin-Finity Mic Pre & DI Box  888365816067

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Universal Audio

100% tube to 100% solid state, a variable tone blending mic preamp & DI.

The award-winning 710 Twin-Finity is a radically new UA mic preamp design that combines both the classic retro warmth of tubes with the transient bite of solid-state, all in a 2U, half-rack unit. The 710 was created specifically to add the tonal versatility and sonic inspiration missing from generic audio interface preamps. Tone blending is continually variable between 100% tube and 100% solid-state, offering a practically infinite range of unique preamp tones, plus the ability to easily dial-in your own signature sound. There are lots of sensibly priced solid-state and tube preamplifiers out there, but the 710 is the only one that offers the best of both worlds - as well as everything in-between - all in one box, and within reach of any serious project studio's budget.

The key to its sonic flexibility lies in its innovative circuit design, featuring a solid-state transimpedance input amp simultaneously driving separate, phase-aligned tube and solid-state gain stages, which are then summed to a single output. The mix between the 310 volt single-ended class-A triode tube stage and solid-state transimpedance stage is controlled via the "Blend Knob" labeled "ˆž". Blending is continually variable between 100% tube and 100% solid-state offering a practically infinite range of unique pre-amp tones and the ability to easily dial-in your own signature sound.

Like all our other preamp designs, the 710 features dual gain-stage controls (Gain/Level) which can radically vary the amount of coloration and distortion by allowing you to crank up the input gain like a guitar amp. The VU meter features a unique "Drive" mode allowing you to see how hard you are driving the input stage.

Versatility makes the 710 the perfect preamp partner for any mic collection. Plus, the discrete JFET DI input circuit can also easily handle any electric instrument. Guitar and bass players will especially appreciate the 710s ability to bring out the best of both active and passive pickups. The 710 Twin-Finity includes a 19" rack-kit for mounting one or two units.

Features
Twin-Finity tone-blending mic/line preamp & Hi-Z instrument DI
Dual-Path 310 volt Class-A tube and transimpedance Solid State preamp
Phase-aligned "Tone-Blending" of tube and Solid State
Dual Gain Stages: wire with gain to creamy to crunchy
Discrete JFET DI with 2.2M ohm Ultra Hi-Z impedance
70dB+ of gain, +48V Phantom, Pad(-15dB), Phase Invert, and Low Cut Filter(75Hz)
19" Rack kit included, optional desktop handle kit also available
Heavy-duty metal construction
 

710 Twin-Finity Mic Pre & DI Box Specifications:

Inputs
Microphone (Female XLR)
Balanced Line (Female XLR)
Unbalanced Instrument (1/4" jack) (D.I.)

Outputs
Balanced Line (Male XLR)

Type
Tube & Solid-State Phase-Aligned Tone-Blending Mic Pre & DI

Tube Complement
12ax7

Pad
-15dB

High Pass Filter
75Hz

Maximum Power Consumption
160mA @120VAC
20W

Power Requirements
100-240VAC

Dimensions
8.45W x 3.5H x 10.25D
Weight
5.25 lb

Impedance:
Mic Input Impedance
2K ohms
Line Input Impedance
10K ohms
Hi-Z Input Impedance
2.2M ohms

Internal Output Impedance
600 ohms

Gain/Levels:
Gain Range for Unit
-Infinity to 70dBu
Mic Range Gain Pot
10 60 dBu
Line Range Gain Pot
-10 40 dBu
Hi-Z Range Gain Pot
-10 40 dBu

Maximum Mic Input Level Gain @min SS
+18 dBu
Maximum Mic Input Level Gain @min Tube 1% THD
-7 dBu dBu +8 dBu w/pad
Maximum Line Input Level Gain @ Min SS
+30
Maximum Line Input Level Gain @ Min Tube 1% THD
+8 dBu
Maximum Hi-Z Input Level Gain Min SS
+18
Maximum Hi-Z Input Level Gain Min Tube 1% THD
+8 dBu
Maximum Output Level into 600 ohms
+18 dBu
Maximum Output Level into 100k ohms
+28 dBu
Tube Clipping Level
Same as Max In
Solid-State Clipping Level
Same as Max In

Frequency Response:
Mic Frequency Response
20Hz to 100kHz +/- 0.2 dBu
Line Frequency Response
20Hz to 100kHz +/- 0.2 dBu
Hi-Z Frequency Response
20Hz to 100kHz +/- 0.2 dBu

Distortion
Min THD+Noise @ +4dBU
0.1% tube 0.005% solid-state
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REVIEW SNAPSHOT®

by PowerReviews
Universal Audio710 Twin-Finity Mic Pre & DI Box
 
5.0

(based on 1 review)

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(3 of 5 customers found this review helpful)

 
5.0

AMAZING PRE

By 

from Orlando, FL

Comments about Universal Audio 710 Twin-Finity Mic Pre & DI Box:

I heard this preamp tested up next to a bunch of other common preamps recording an acoustic guitar including a Neve Portico, Chandler Geranium, and about Twenty others. Although sound is a very suggestive thing, I describe it as having a lot of bite with an upper medium amount of fullness. This is a product of top notch quality and the versatility from the tube/solid state blend feature adds value but, it looks like they borrowed that design concept from the Summit Audio 2BA-221. I'd love to hear those two compared!

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