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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)
            Power Supply: External
            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
           
Retail Price:  $1800.00

External Power Supply Retail Price:  $800.00
Please note – some Unison Research preamplifier and integrated amplifiers have a jack on their back panels to power Unison Research phono preamps.  In those cases you do not need to external power supply.  If you intend to use a Unison Research phono preamp with any component other than those you need to purchase the external power supply as well.  Please contact us for details about what you would need for your specific application.


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)
            Power Supply: External
            Main Unit Dimensions (WxDxH): 370 mm x 246 mm x 120 mm
            Net Weight:  8 lbs. including power supply
            Available in cherry or mahogany

Retail Price:  $3300.00

External Power Supply Retail Price:  $800.00
Please note – some Unison Research preamplifier and integrated amplifiers have a jack on their back panels to power Unison Research phono preamps.  In those cases you do not need to external power supply.  If you intend to use a Unison Research phono preamp with any component other than those you need to purchase the external power supply as well.  Please contact us for details about what you would need for your specific application.

 

 

Simply Headphone Vacuum Tube Headphone Amplifier and DSD DAC

 

Specifications:

            Operation:  Single-ended triode operating in pure Class A
            Maximum Output Power At 1% THD – 
                        High Sensitivity Setting:  0.5V at 150 Ohms,
                        0.45V at 33 Ohms, 0.4V at 10 Ohms
                        Low Sensitivity Setting:  1.4V at 150 Ohms,
                        1.1V at 33 Ohms, 0.6V at 10 Ohms
            Frequency Response:  -0.1dB at 10 Hz / 3dB at 50k Hz
                        (low sensitivity setting at 33 Ohms)
            Input Impedance: 20k Ohms; 100 pF capacitance
            Input Stage: Class A using 2 x ECC83 (12AX7)
            Output Stage: Class A using 1 x EL84 in triode mode
            Inputs: 1 x RCA line level, 1 x USB to ESS Sabre DSD DAC
            Outputs :  2 x parallel 1/4” headphone jacks
            Feedback: 16dB
            Output Impedance: 6.9 Ohms
            THD: < 0.2% at 1k Hz, 0.5V, <0.8% at 1V at 33 Ohms via low
                        sensitivity setting
            Dimensions (WxDxH):  225 mm x 322 mm x 126 mm
            Weight: 12.5 pounds

USB DSD DAC:

            Type:  ESS Sabre DSD DAC with jitter eliminations circuit;
                        features galvanic isolation between USB interface
                        and conversion circuit, Asynchronous USB 2.0
                        Audio Class compliant
            Data Input:  Accepts PCM up to 384k Hz and DSD up to 128x
                        with resolution up to 32 bits
            Signal To Noise Ratio:  110dB at 1k Hz, “A” weighted, 192k Hz
            Total Harmonic Distortion Plus Noise:  0.008% at 1k Hz, -3dBFS
            Available in Black with Cherry Accents or Cherry with Black Accents

Retail Price:  $1700.00
RC2 Remote Control
in Cherry


                       
Remote Control Models
Check the listing for the product of interest to determine which remote control is included with it.  The wood trim on the remote matches the wood trim on the corresponding hi-fi component.

Radio Remote Control in Mahogany

 


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:  RC2
            Tube cage included.

Retail Price:  $3000.00



Triode 25 Black with Cherry Trim and Tube Cage

Triode 25 Integrated Amplifier

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)
            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:  RC2
            Tube cage included.

Triode 25 Cherry with Black Trim and Tube Cage

Retail Price:  $3500.00

The Triode 25 is also available with an onboard DAC.  This DAC requires no software driver for either MAC OSX or Linux and is ASIO compliant.

Specifications:

            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)

Retail Price:  Triode 25 With Onboard DAC:  $4000.00


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:  RC2
            Tube cage included.
            Available with black faceplate with cherry trim or cherry faceplate with black trim.

Retail Price:  $5600.00


S9 Integrated Amplifier

S9 Integrated Amplifier with Black Faceplate and Cherry Trim

Specifications:

            Output Stage:  Single-ended parallel, ultralinear, Class A
            Output Power:  30 watts per channel
            Output Impedance:  6 Ohms
            Input Impedance:  47k Ohms
            Frequency Response:  20 Hz – 50k Hz
            Feedback Factor: 14dB
            Inputs:  4 line level
            Outputs: 1 tape and loudspeakers
            Valve Complement:   4 x ECC82 (12AU7), 4 x SV572-10
            Power Consumption:  700W max
            Dimensions (WxDxH):  16.1” x 22.4” x 9.9”
            Net Weight: 110 lbs.
            Remote Control: RC2
            Tube cage included.
            Available with black faceplate with cherry trim or cherry faceplate with black trim.

Retail Price:  $12,000.00


Preludio Integrated Amplifier

Preludio Integrated Amplifier in Cherry

Specifications:

            Output Stage:  Single-ended parallel, ultraliner, Class A
            Output Power:  14 watts per channel
            Output Impedance:  6 Ohms
            Input Impedance: 47k Ohms
            Frequency Response:  15 Hz – 50k Hz
            Feedback Factor:  10dB
            Inputs:  5 line level
            Outputs:  1 tape, 1 subwoofer, loudspeakers
            Valve Complement:  2 x 6550/KT88, 2 x ECC82 (12AU7)
            Power Consumption: 200W max
            Dimensions (WxDxH): 40 cm x 37.5 cm x 18 cm
            Net Weight: 40 lbs.
            Remote Control:  RC2
            Available in cherry or mahogany.

Retail Price:  $4200.00


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:  RC2
            Available in cherry or mahogany.

Retail Price:  $6800.00


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:  RC2
            Available in cherry or mahogany.

Retail Price:  $14,000.00


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.

Retail Price:  $50,000.00


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.

Retail Price:  $25,000.00


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.

Retail Price:  $50,000.00 Per Pair


Max 1 Floor Standing Loudspeaker

Max 1 in Cherry Veneer
With Grille

The Max 1 is a front-ported high sensitivity design that is perfect for use with low wattage vacuum tube amplifiers.  The design is perfectly matched to the output impedance of the Unison Research vacuum tube amplifiers.

Both the compression tweeter and the 12 inch woofer are custom designed and built in Italy, specifically for the Max 1.

The Max 1 is features a simple crossover design, wide frequency response, and is an easy load to drive.  The crossover components are hand selected and matched from Mundorf and Solen.

Specifications:

            Configuration:  2 way with dual front reflex ports
            Drivers:
                           1 x 1” titanium compression tweeter
                           1 x 12” carbon fiber and pulp woofer
            Frequency Response:  30 Hz – 20k Hz
            Crossover Type:  12dB low pass for woofer; 12dB high pass for tweeter
            Crossover Frequency:  2k Hz
            Power Handling:  500 watts RMS or more without clipping
            Minimum Amplifier Power: 10 watts
            Sensitivity:  94 dB/1 watt/1 meter
            Nominal Impedance:  8 Ohms
            Dimensions (HxWxD):  95 cm x 35 cm x 45 cm
            Weight: 37 kg each
            Available in cherry and walnut veneers and black finish.

Retail Price:  $7200.00 Per Pair

 
 

 

Max 2 Floor Standing Loudspeaker

Max 2 in Walnut Veneer
With Grille

The Max 2 is a front-ported high sensitivity design that is perfect for use with low wattage vacuum tube amplifiers, and one that expands on the dynamic impact of the Max 1.  The design is perfectly matched to the output impedance of the Unison Research vacuum tube amplifiers, and it is also a good match for most vacuum tube amplifiers of low to medium output that are available on the market today.  The Max 2 is capable of producing strong bass and loud volume levels with low and medium output amplifiers.

The 1.4 inch titanium compression tweeter and the 15 inch woofer are custom designed and built in Italy, specifically for the Max 2.

The Max 1 is features a simple crossover design, wide frequency response, and is an easy load to drive.  The crossover components are hand selected and matched, and are sourced from Mundorf and Solen.

Specifications:

            Configuration:  2 way with dual front reflex ports
            Drivers:
                           1 x 1.4” titanium compression tweeter
                           1 x 15” carbon fiber and pulp woofer
            Frequency Response:  30 Hz – 20k Hz
            Crossover Type:  12dB low pass for woofer; 6dB high pass for tweeter
            Crossover Frequency:  800 Hz
            Power Handling:  500 watts RMS or more without clipping
            Minimum Amplifier Power: 10 watts
            Sensitivity:  96 dB/1 watt/1 meter
            Nominal Impedance:  8 Ohms
            Dimensions (HxWxD): 101 cm x 43.5 cm x 54 cm
            Weight: 60 kg each
            Available in cherry and walnut veneers and black finish.This new Unison

Retail Price:  $9000.00 Per Pair

 
 

 

Malibran Full Range Floor Standing Loudspeaker

Specifications:

            Configuration:  3  way plus rear radiating cross-linked tweeters
            Drivers:
                           3 x 10” Seas aluminum cone woofers mounted on side baffle
                           4 x 5” Seas magnesium cone midrange mounted on front baffle
                           1 x 1″ ScanSpeak 9000 series tweeter mounted on front baffle
                           4 x 1″ cross-linked dipole tweeters mounted on rear baffle
            Frequency Response: 20 Hz – 30k Hz
            Crossover Type:  
                                           Woofer in parallel double low-pass at 6+6 dB/octive
                                           Progressive low-pass midrange filter with second order high-pass
                                          12db high-pass front tweeter
            Crossover Frequency:  160 Hz, 2k Hz
            Power Handling:  750 watts RMS or more without clipping
            Minimum Amplifier Power:  10 watts, 8 Ohms
            Sensitivity:  89dB/1watt/1 meter
            Nominal Impedance:  4 ohm (Z min > 3.1 ohm)
            Dimensions (HxWxD:  136 cm x 44 cm x 80 cm
            Weight:  285 lbs. each
            Available in cherry veneer.

Retail Price:  $32,000.00 Per Pair

   
 

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
2007-2017 All Rights Reserved.