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Unison Research offers vacuum tube amplification, analog front end components, and loudspeakers with all of the style and performance of an Italian sports car.

Under the Unison Research brand name you will find a wide selection of tubed amplification components, as well analog front end components and a state-of-the-art loudspeaker model. 

The entire Unison Research product line is a statement of Italian design and build quality.  The unique shapes and creative use of top quality hardwoods and hardwood veneers adds beauty to these components as well as functionality.

Underneath it all is the solid engineering that has been the hallmark of Unison Research since the very beginning.  No matter which Unison Research model you choose, you can be assured of owning the very best.

Osage Audio Products is happy to have been named a retail dealer for Unison Research hi-fi components and loudspeakers.  Unison Research offers exceptional performance and beauty.  If you have questions about the Unison Research product line, or would like to purchase a Unison Research component, please call us at 573-696-3551 or email us at your convenience.  We are open late and weekends.

Unison Research products are available only by telephone, in our showrooms, or by email.  They are not available in our Online Store.

Learn more about Unison Research and their products by visiting their website.

 

Simply Phono Vacuum Tube Phono Preamplifier
 
Specifications:

Simply Phono in Mahogany

            Operation:  Pure Class A with passive RIAA (+/- 0.2 dB, 20 Hz – 20k Hz)
            Output Impedance:  800 Ohms
            Input Impedance: 22 Ohms, 50 Ohms, 100 Ohms, 47k Ohms
                                             User Adjustable
            Capacitance:  100pF
            Gain:  52dB
            Total Harmonic Distortion:  0.4 % at 1 volt output
            Feedback Factor:  0dB
            Signal to Noise Ratio:  72dB
            Inputs: 1 RCA
            Valve Complement: 4 x ECC83 (12AX7)
            External Power Supply Included
            Main Unit Dimensions (WxDxH): 140 mm x 290 mm x 105 mm
            Net Weight:  6.6 lbs. including power supply
            Available in cherry or mahogany
           

PLEASE CONTACT US BY CALLING 573-696-3551 OR BY EMAIL AT CUSTOMER_SERVICE@AUDIOINTELLIGENT.COM TO CONFIRM CURRENT PRODUCT AVAILIBILITY AND RETAIL PRICING.

 

Phono One Vacuum Tube Phono Preamplifier

Phono One Vacuum Tube Phono Preamplifier in Cherry

Specifications:

            Operation:  Pure Class A with passive RIAA (+/- 0.1 dB, 20 Hz – 20k Hz)
            Output Impedance:  800 Ohms
            Input Impedance: 22 Ohms, 50 Ohms, 100 Ohms, 47k Ohms User Adjustable
            Capacitance:  100pF, 200pF, 320pF, 420pF User Adjustable
            Gain:  54dB
            Total Harmonic Distortion:  0.1 % at 1 volt output
            Feedback Factor:  0dB
            Signal to Noise Ratio:  80dB
            Inputs: 1 RCA
            Valve Complement: 5 x ECC83 (12AX7)
            External Power Supply Included
            Main Unit Dimensions (WxDxH): 370 mm x 246 mm x 120 mm
            Net Weight:  8 lbs. including power supply
            Available in cherry or mahogany

PLEASE CONTACT US BY CALLING 573-696-3551 OR BY EMAIL AT CUSTOMER_SERVICE@AUDIOINTELLIGENT.COM TO CONFIRM CURRENT PRODUCT AVAILIBILITY AND RETAIL PRICING.

 

RC3 Remote With Black Handle

Remote Control Models

Unison Research models that are supplied with a remote control use the full-function infrared RC3.  This single remote controls all functions of Unison Research and UNICO preamplifiers, integrated amplifiers, and CD player/DAC models.

 


Simply Italy Integrated Amplifier

Simply Italy Integrated Amplifier

Specifications:

            Output Stage:  Single-ended, ultralinear, Class A
            Output Power:  12 watts per channel
            Output Impedance:  6 Ohms
            Input Impedance:  47k Ohms / 50 pF
            Negative Feedback:  5 dB or 1.8 dB
            Inputs:  5 line level
            Outputs:  1 tape and loudspeakers
            Valve Complement:  2 x ECC82 (12AU7),  2 x EL34 (6CA7)
            Power Consumption:  85 watts
            Fuses:  T2A from 100V to 130V
            Dimensions (WxDxH):  26 cm x 35 cm x 19 cm
            Net Weight:  15kg
            Remote Control:  RC3
            Tube cage included.
            Available in black with cherry trim and cherry with black trim.

PLEASE CONTACT US BY CALLING 573-696-3551 OR BY EMAIL AT CUSTOMER_SERVICE@AUDIOINTELLIGENT.COM TO CONFIRM CURRENT PRODUCT AVAILIBILITY AND RETAIL PRICING.


 

Triode 25 Black with Cherry Trim and Tube Cage
 
Triode 25 Cherry with Black Trim and Tube Cage

Triode 25 Integrated Amplifier With Onboard DSD DAC

Specifications:

            Output Stage:   Ultralinear, push-pull, Class AB
            Output Power:  23 watts per channel in triode mode;
                                        45 watts per channel in pentode mode –
                                        user selectable by chassis mounted switch
            Output Impedance:  6 Ohms
            Input Impedance:  47k Ohms / 50 pF
            Negative Feedback:  5 dB or 1.8 dB
            Inputs:  5 line level
            Outputs:  1 tape, 1 subwoofer, and loudspeakers
            Valve Complement:  1 x ECC82 (12AU7), 2 x ECC83 (12AX7),
                                                 4 x EL34 (6CA7)

DAC Specifications:

            No driver required for MAC OSX or Linux; ASIO compliant
            Input:  USB 2.0 compliant to USB audio class 2.0
            Sampling Frequency:  44.1, 48, 88.2, 96, 176.4, 192,
                                                    352.8, 384kHz and DSD64, DSD128
            PCM Resolution:  16 to 32 bits
            Output Voltage:  1.5V RMS
            SNR:  110 dB (A weighted, 0-22,000Hz, 0dBFS, 1kHz)
            THD+N:  0.005% (-10dBFS, 1kHz)
           
            Power Consumption:  300 watts
            Fuses:  T6.3A from 100V to 130V
            Dimensions (WxDxH):  30 cm x 45 cm x 20 cm
            Net Weight:  19kg
            Remote Control:  RC3
            Tube cage included.

PLEASE CONTACT US BY CALLING 573-696-3551 OR BY EMAIL AT CUSTOMER_SERVICE@AUDIOINTELLIGENT.COM TO CONFIRM CURRENT PRODUCT AVAILIBILITY AND RETAIL PRICING.

 


S6 Integrated Amplifier

S6 Integrated Amplifier with Black Faceplate and Cherry Trim S6 Integrated Amplifier with Cherry Faceplate and Black Trim

Specifications:

            Output Stage:  Single-ended parallel, ultraliner, Class A
            Output Power:  35 watts per channel
            Output Impedance:  6 Ohms
            Input Impedance:  47k Ohms
            Frequency Response:  20 Hz – 50k Hz
            Inputs:  5 line level
            Outputs:  1 tape and loudspeakers
            Valve Complement:  2 x ECC83 (12AX7),  6 x EL34 (6CA7)
            Power Consumption:  265VA max
            Dimensions (WxDxH):  35 cm x 49 cm x 21 cm
            Net Weight:  55 lbs.
            Remote Control:  RC3
            Tube cage included.
            Available with black faceplate with cherry trim or cherry faceplate with black trim.

PLEASE CONTACT US BY CALLING 573-696-3551 OR BY EMAIL AT CUSTOMER_SERVICE@AUDIOINTELLIGENT.COM TO CONFIRM CURRENT PRODUCT AVAILIBILITY AND RETAIL PRICING.


Sinfonia Dual Mono Integrated Amplifier

Sinfonia Dual Mono Integrated Amplifier in Mahogany

Specifications:

            Output Stage:  Single-ended parallel, ultraliner, Class A
            Output Power:  27 watts per channel
            Output Impedance:  6 Ohms
            Input Impedance: 47k Ohms
            Frequency Response:  20 Hz – 30k Hz
            Feedback Factor:  14dB
            Inputs:  5 line level
            Outputs:  1 tape, 1 subwoofer, loudspeakers
            Valve Complement:  4 x 6550/KT88, 2 x ECC82 (12AU7), 2 x ECC83 (12AX7)
            Power Consumption: 500W max
            Dimensions (WxDxH): 44 cm x 42 cm x 21 cm
            Net Weight: 55 lbs.
            Remote Control:  RC3
            Available in cherry or mahogany.

PLEASE CONTACT US BY CALLING 573-696-3551 OR BY EMAIL AT CUSTOMER_SERVICE@AUDIOINTELLIGENT.COM TO CONFIRM CURRENT PRODUCT AVAILIBILITY AND RETAIL PRICING.


Simply 845 Integrated Amplifier

Specifications:

            Output Stage:  Single-ended Class A
            Output Power:  23 watts per channel
            Output Impedance:  6 Ohms
            Input Impedance: 47k Ohms
            Frequency Response:  20 Hz – 50k Hz; +0dB/-1dB @ 12 watts
            Feedback Factor:  14dB
            Inputs:  4 line level
            Outputs:  1 tape, 1 subwoofer, loudspeakers
            Valve Complement:  2 x 845, 2 x ECC82 (12AU7), 2 x ECC83 (12AX7)
            Power Consumption: 300VA
            Dimensions (WxDxH): 37 cm x 57 cm x 26 cm
            Net Weight: 67 lbs.
            Remote Control:  RC3
            Available with walnut veneer trim.

PLEASE CONTACT US BY CALLING 573-696-3551 OR BY EMAIL AT CUSTOMER_SERVICE@AUDIOINTELLIGENT.COM TO CONFIRM CURRENT PRODUCT AVAILIBILITY AND RETAIL PRICING.


Performance Dual Mono Integrated Amplifier

Performance Dual Mono Integrated Amplifier in Mahogany

Specifications:

            Output Stage:  Single-ended parallel, ultraliner, Class A
            Output Power:  40 watts per channel
            Output Impedance:  6 Ohms
            Input Impedance: 47k Ohms
            Frequency Response:  20 Hz – 30k Hz
            Feedback Factor:  16dB
            Inputs:  5 line level
            Outputs:  1 tape, loudspeakers
            Valve Complement:  6 x 6550/KT88, 2 x ECC82 (12AU7), 2 x ECC83 (12AX7)
            Power Consumption: 500VA
            Dimensions (WxDxH): 60 cm x 48 cm x 23.5 cm
            Net Weight: 110 lbs.
            Remote Control:  RC3
            Available in cherry or mahogany.

PLEASE CONTACT US BY CALLING 573-696-3551 OR BY EMAIL AT CUSTOMER_SERVICE@AUDIOINTELLIGENT.COM TO CONFIRM CURRENT PRODUCT AVAILIBILITY AND RETAIL PRICING.


Absolute 845 Dual Mono Integrated Amplifier

Absolute 845 Dual Mono Integrated Amplifier in Cherry

Specifications:

            Output Stage:  Single-ended parallel, ultraliner, Class A
            Output Power:  40 watts per channel
            Output Impedance:  6 Ohms
            Input Impedance: 47k Ohms
            Frequency Response:  20 Hz – 30k Hz
            Feedback Factor:  10dB
            Inputs:  7 line level
            Outputs:  2 tape, loudspeakers
            Valve Complement:  4 x 845, 6 x ECC82 (12AU7), 2 x ECC83 (12AX7)
            Power Consumption:  700VA
            Dimensions (WxDxH):  31.7” x 23.8” x 11”
            Net Weight: 199 lbs.
            Available in cherry finish.

PLEASE CONTACT US BY CALLING 573-696-3551 OR BY EMAIL AT CUSTOMER_SERVICE@AUDIOINTELLIGENT.COM TO CONFIRM CURRENT PRODUCT AVAILIBILITY AND RETAIL PRICING.


Reference PRE Full Function Dual Mono Preamplifier

Reference PRE Full Function Dual Mono Preamplifier in Cherry

Specifications:

  Type:  Valve line stage and valve phono section in separated integral chassis, operating in dual mono pure Class A
  Output Impedance:  500 Ohms
  Input Impedance:   line stage:  47k Ohms
    phono section:  user selectable
  Frequency Response:  10Hz – > 100k Hz @ – 0.3dB
  Feedback Factor: 15dB line stage, 0db phono section
  Inputs:  4 line level RCA, 2 line level XLR, 1 tape, 2 phono
  Outputs:  1 RCA, 1 XLR, 1 tape (active), 1 subwoofer (active), remote power for REFERENCE Mono Power Amplifiers
  Line Stage Valve Complement: 2 x 300B, 2 x ECC82 (12AU7),
    2 x ECC83 (12AX7), 2 x C45P
  Phono Section Valve Complement:  4 x 6C45P, 2 x ECC83 (12AX7)
  Phono Section Input Impedance: 22 Ohms, 50 Ohms, 100 Ohms,
    47k Ohms User Adjustable
  Capacitance:  100pF, 200pF, 320pF, 420pF User Adjustable
  Phono Section Gain: 45db, 55dB
  Passive RIAA Accuracy:  ± 0.2dB
  Total Harmonic Distortion:  0.1%
  Power Consumption:  320W max.
  Dimensions (WxDxH):  451mm x 560 mm x 210 mm
  Dimensions (WxDxH):  451mm x 560 mm x 210 mm
  Remote Control:  Radio Remote Control
  Available in cherry finish.

PLEASE CONTACT US BY CALLING 573-696-3551 OR BY EMAIL AT CUSTOMER_SERVICE@AUDIOINTELLIGENT.COM TO CONFIRM CURRENT PRODUCT AVAILIBILITY AND RETAIL PRICING.


Reference Mono Power Amplifier

Reference Mono Power Amplifier in Cherry

Specifications:
                       
            Output Stage:  Single-ended, double parallel, Class A
            Output Power:  100 watts
            Output Impedance:  4 Ohms and 8 Ohms
            Input Impedance:  47k Ohm RCA , 10k Ohm XLR
            Frequency Response:  20 Hz – 30k Hz
            Feedback Factor:  14dB
            Inputs:  1 x RCA , 1 x XLR
            Outputs:  loudspeakers
            Valve Complement:  4 x 845, 1 x ECC82 (12AU7), 1 x ECC83 (12AX7)
            Power Consumption: 400 A
            Dimensions (WxDxH):  19.3” x 30.5” x 11.2”
            Net Weight:  155 lbs. each
            Available in cherry finish.

PLEASE CONTACT US BY CALLING 573-696-3551 OR BY EMAIL AT CUSTOMER_SERVICE@AUDIOINTELLIGENT.COM TO CONFIRM CURRENT PRODUCT AVAILIBILITY AND RETAIL PRICING.

 

If you have questions about the Unison Research product line, or would like to purchase a Unison Research component, please call us at 573-696-3551 or email us at your convenience.  We are open late and weekends.

Unison Research products are available only by telephone, in our showrooms, or by email.  They are not available in our Online Store.

Learn more about Unison Research and their products by visiting their website.


Osage Audio Products, LLC ∙ P.O. Box 232 ∙ Hallsville, MO  65255
  573-696-3551
www.osageaudio.com ∙ info@audiointelligent.com
2006-2026 All Rights Reserved.