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LS 36.5 Balanced Tube Linestage

 MWI LS 36.5 Tube Linestage with balanced inputs and outputs.

"...Dan could probably rest on laurels for a few years after producing something as good as the 36.5. I could see this line stage emerging as THE preamp for $5000 in the same way that his SWL 9.0 SE is THE preamp for $2500 among those in the know. Take five, Dan, and enjoy that blue LED glow." - Marc Phillips writing for Tone Audio.

See full review at Tone Audio On-Line Equipment Reviews:  http://www.tonepublications.com/TA-gear.htm 

"Rather than a refinement of the prior model, it indicates a new platform altogether. Coming a few short years after the 9.0's launch, Dan Wright musta hitched some wild ride on a steep learning curve. This isn't a MkII revision in a gussied-up box to charge a pretty penny for a spin and packaging job. This isn't even a hot-rodded modification. This is a new ball game on an altogether loftier plateau." - Srajan Ebaen, 6Moons.com

See Full Review: http://www.6moons.com/audioreviews/modwright2/365.html 

 

FEATURES

  • One set of XLR balanced inputs
  • Four sets of RCA inputs
  • Two sets of RCA Main Outputs
  • One set of RCA Tape Outputs
  • One set of XLR balanced outputs
  • Front Panel controls include: Power, Input Select and Mute, Phase (also on remote), HT/BP (Home Theater Bypass) and volume control (also on remote)
  • Custom MWI remote control for volume, phase and mute

TECHNICAL SPECIFICATIONS

  • Tube complement: (2) 6H30 Russian Super Tubes
  • Tube rectified power supply
  • Gain: ~12dB
  • Input Impedance: 50Kohm
  • Output Impedance: 110ohm
  • Frequency Response 20Hz - 100Khz +/-1dB
  • Noise Level: -125dB
  • Choke loaded power supply
  • Discrete Constant Current Sourced B+ regulators
  • DC heaters
  • Gain Stage: Pure Class A, cathode bias 'Mu'* gain/buffer stage with zero feedback
  • Power sequence: Mute delay turn on sequence with soft start for improved tube life
  • Volume Control: remote control Alps motorized volume control
  • Dimensions: 17-1/2"W x 12-1/2"D x 4-3/4"H
  • Weight: 34 lbs. (29 lbs. shipped)


 

LS 36.5 Power Supply

After out 36.5 linestage was developed, we still had loyal ModWright customers that wanted us to take the next step.

The PS 36.5 is an outboard, duel-mono power supply that can be added to an existing 36.5. Combining dual discrete voltage rectification and all tube voltage regulation stages along with removing the power supply from the main chassis took the sound of the 36.5 to another level of excellence. There is an increase in separation, weight, and resolution that has to be experience to be believed.

Six tubes are used in the PS 36.5: a pair of 6H30 triodes for signal gain and buffering, a pair of 6EA7/6EM7 triodes for voltage regulation and a pair of 5AR4 (and equivalent) for rectification, making this power supply a true dual mono design.

Existing LS 36.5 units can be upgrade or two box preamplifier can be ordered as a LS 36.5 DM.

We feel this new upgrade offers a substantial breakthrough in value and performance. The PS 36.5 is styled to match the LS 36.5 and the rectifier tubes are exposed to allow ease in swapping rectifier tubes.

The new PS 36.5 dual-mono outboard power supply is now available as an upgrade to the LS 36.5 linestage. It is also available from your dealer as a set, or if you have an existing LS 36.5, you may send the LS 36.5 back in to have it retro-fitted for the new PS 36.5.

 Customer Feedback:

"During the weekend listening we managed to swap in and out four preamps - The 36.5 with its fancy PSU, my SWLP (yes I still have it and it is still for sale - once my buddy heard the 36.5 he wasn't thinking about the SWLP anymore ), the First Sound PD MII and a BAT VK51se. I really wanted to compare these to an ARC REF 3 also but there just wasn't one around.

The BAT was close to the 36.5 as far as SS width and depth was concerned. Bass extension seemed about the same but the 36.5 beat it on the purity of its high end and its really outstanding leading edge transients/dynamics. Channel and image separation were similar but the 36.5 had more air around everything and those leading edge transients made everything - vocals and individual instruments - much more "real" sounding and more holographic. The BAT couldn't then match the 36.5 in communicating the emotional content of the music. Vocals are so clean and so detailed with the 36.5 that you can't but hear the emotion - this preamp literally drips with emotion.

The First Sound sounds a bit flat when compared to the 36.5 and the BAT. It's just outclassed at this point.I forgot to say...This thing is worth every penny. I go to work so I can come home and listen to amazing music. And the wheel goes round and round..." A. Bradley 12.05.07

"...when I put on my Willy Porter: “High Wire Live” disc (by the way, a highly recommended disc of great acoustic guitar with fine lyrics
and melodies) I had this big freakin’ smile across my face as the first notes played--boy there sure is more to an acoustic guitar than you think! I could already tell that this pre was a BIG leap closer to reality with only about 150 hours on it. I could also tell that this pre had some of the 9.0SE’s DNA, but this baby is WAY better all around as it should be. I was amazed at how much more of the music that IS recorded on a CD that I could hear. The music playing was so natural sounding, musical yet accurate to the source in every way."
- T. O'Connor 1.03.08

Details of the PS 36.5 include completely dual-mono design, including two transformers, chokes, main power supply boards and the  addition of dual-mono tube-voltage-regulation stages and dual tube recitifiers. There is a single AC cord and umbilical that connects the PS 36.5 to the LS 36.5.

The improvements in bass response, definition, speed, separation, body, microdetail and microdynamics are stunning.

Please contact your nearest ModWright Instruments Dealer for more information.
 

 


 

 

 

          

Pictures below are of the ModWright room at RMAF 2007.

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ModWright SWL  9.0SE & 9.0SE with Tube Rectified Power Supply
Remote Control Linestage

Response Audio is proud to be an authorized dealer for the SWL 9.0 SE  linestage from ModWright Instruments, Inc. This new product is not a modification of any existing product but rather an exclusive, new design from Dan Wright himself. Many audio enthusiast are already familiar with Dan's work in his very successful digital component modifications over the years. While I could rant about the sonic virtues of this product all day long, the best way for you to understand its potential is to come in and listen for yourself. Even the most discriminating listeners will not be disappointed.

 

The SWL 9.0 SE is on display and available for audition in our New York location as well as at Jam'n Audio, our Chicago location.  We hope you will come in for an audition.

Design Information:

Power Supply: Choke input current regulated, regulated DC heaters, discrete FET regulated B+ voltages.
Gain Stage: Fixed battery bias, ‘Mu’* type gain/buffer stage.
Power Sequence: Mute-on delay turn-on sequence with soft-start B+ supply.
Volume Control: Remote Control Alps motorized volume potentiometer.

Design Philosophy:

The SWL 9.0SE was designed to offer the Audiophile, World-Class Performance at a Real-World price.

The unit is voiced to offer a full, fast and accurate recreation of the entire frequency range. Bass is deep, tight and authoritative and high frequencies sparkle. The tonal balanced is designed to be accurate and detailed without edge or glare. The liquidity and holographic imaging of tubes is present, without the ‘soft’ or ‘syrupy’ sound often attributed to tube designs. Use of the very linear 5687 tube and pure Class A circuitry allow for low distortion and exceptionally low noise.

Top quality parts are used throughout, including FRED and Schottky diodes, metal film Vishay resistors, ceramic tube sockets and hiqh-quality film caps in signal path applications insure exceptional performance.

 



*The ‘Mu’ stage circuit type used in the design is credited to Alan Kimmel. Alan was consulted during the design process.
 

SWL 9.0 SE Special Features
Tube linestage.
Full 17"w chassis
High quality signal wire throughout
Highest Quality output coupling capacitors
Inputs: 4 sets RCA.
HT/By-pass for home theater integration
Monitor loop
Two sets of main outputs
One set of tape outputs
High quality RCA input/output jacks
Functions: Mute, Volume, Input Select, HT Bypass.
Gain: 15dB.
Output Impedance: ~ 600ohm.
Noise Floor (measured): -122dB.
Freq. Response: 17Hz-200Khz (+/-1dB).
All Blue LEDs.


  $2495 including shipping. (solid state rectification)
 $2,995 including shipping (tube rectification) see below

The ModWright SWL 9.0SE linestage with solid state rectification and SWLP with tube rectification are now available and ready for audition at Response Audio NY.
Call today to purchase or schedule your private listening session.

SWL 9.0SE tube rectified power supply now available:

Okay guys, after much deliberation, ModWright has decided to go ahead and make available, the tube-rectified power supply upgrade for the SWL 9.0SE.  They are doing this largely because it simply improves the performance of the 9.0SE a significant amount and we always want to offer an attractive upgrade path to all ModWright customers.

Two options available:

1) New SWL 9.0SE ('Signature Edition') tube linestages are now available for $2995 retail 

2) Existing SWL 9.0SE ('Special Edition') units may be upgraded to include tube-rectified power supply for $500 + shipping both ways. Contact us for details.

Details:

New SWL 9.0SE units will have the same faceplate.  The distinguishing feature will be the S/N on the back of the unit, to indicate that it is a 'Special Edition' vs. a 'Signature Edition'.  That and the fact that there is a big old tube in the power supply pretty much gives it away Wink.

The new tube-rectified supply uses a single 5AR4 tube rectifier (Sovtek).  The power supply has also been re-designed to include much better PSRR and voltage regulation, via constant current sources.  The combination of tube-rectifier and improved voltage regulation together make a BIG difference in the sound of the unit.

Sonically, the improvements include fuller body and midrange, improved bass response and a significant improvement in soundstage, presence and overall musicality. Same as you get with the SWLP.  I feel that the tube rectifier upgrade adds more 'tube' sound to the 9.0SE without detracting in any way from the unit's fantastic bass response, dynamics and sparkling highs.  The low noise floor is also maintained, if not improved upon.  

If you are interested in purchasing a new SWL 9.0SE ('Signature Edition'), then please give us a call to set up an audition or place an order.
 

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New ModWright Instruments Phono Options Now Available!

 

SWP 9.0SE Phono Stage

SWP 9.0SE - $2995

Available in Silver, Black or new 'Blu' finish!

In keeping with the ModWright tradition of exceptional value, performance and service, the SWL 9.0SE represents a benchmark for high-performance tube phono stages.

Technical Specifications

Tube Complement: (2)6C45's, (2)6N1P's, (2)5686 tubes.
Gain: 68dB Max MC gain. Hi/Low gain switch on front panel.
Stereo/Mono Switch on front panel.
Variable Cartridge loading for MM/MC.
Output Impedance: ~600ohm.
Frequency Response: 20Hz – 50Khz +/-1dB

Weight: 27 lbs. (32 lbs. shipped).
Dimensions: 17”W x 12”D x 4”H.

Basic Specifications:

(1) set of phono inputs with cartridge loading for MM/MC and Hi/Low gain settings for use with MM/High Output MC and low output MC cartridges.

Mute, Power, Stereo/Mono and Hi/Low gain settings via front panel toggle switches.

Design Information:

Power Supply: Choke input current regulation, DC heaters, discrete B+ voltage regulation and tube rectified B+ supply.

MC Gain Stage: Tube-Fet hybrid.
2nd Gain and gain/buffer mu stages.
Power Sequence: Mute-on delay turn-on sequence with soft-start B+ supply.

Cartridge loading user selectable via dip switches accessible through back panel of unit.

Design Philosophy:

The SWP 9.0SE is designed to offer the Audiophile, World-Class Vinyl Performance at a Real-World price.

The unit is voiced to offer a full, fast and accurate recreation of the entire frequency range. Bass is deep, tight and authoritative and high frequencies sparkle. The tube rectified supply adds liquidity and holographic imaging.

Great care was taken to minimize all noise in the signal, even at high gain levels. This is due to attention to shielding, grounding and power supply design.

The tube complement was chosen to provide high-current, lower noise and low distortion. The 6C45, 6N1P and 5687 all complement the design in this respect and offer an exceptional level of performance.

Top quality parts are used throughout, including Schottky diodes, metal film Vishay resistors, ceramic tube sockets and hiqh-quality polypropylene and teflon film caps in signal path applications insure exceptional performance.


*The ‘Mu’ stage circuit type used in the design is credited to Alan Kimmel. Alan was consulted during the design process.
 

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SWLP 9.0SE Remote Control Preamp with phono.

SWLP 9.0SE - $3995 ($4495 with tube rectified power supply). 


Available in Silver, Black or new 'Blu' finish!

We are pleased to announce the first full function preamp with internal phono stage and external power supply from ModWright, born out of my own passion for vinyl.

In keeping with the ModWright tradition of exceptional value, performance and service, the SWLP 9.0SE represents a benchmark for high-performance full function preamp with on-board Class A MM/MC tube phono stage.

Technical Specifications

Tube Complement: (2)6C45's, (2)6N1P's, (2)5686 tubes.
Gain: 68dB Max MC gain. Variable gain.
Stereo/Mono Switch on front panel.
Variable Cartridge loading for MM/MC.
Output Impedance: ~600ohm.
Frequency Response: 20Hz – 50Khz +/-1dB

Weight: 33 lbs. (38 lbs. shipped).
Dimensions: 17”W x 12”D x 4”H (preamp).
8"W x 10"D X 4"H (external power supply).

Basic Specifications:

(2) sets of switchable phono inputs (MM & MC) with cartridge loading for MM/MC (internal dip switch settings).

(5) Standard inputs: CD, Tuner, DVD, HT/BP, Aux. 1

Mute, Power, Stereo/Mono, HT/BP (Home Theater Bypass) and volume control via front panel controls.

Remote Control volume and mute.


Design Information:

Power Supply: Choke input current regulation, DC heaters, discrete B+ voltage regulation and tube rectified B+ supply (optional - standard unit comes with SS rectifier).

MC Gain Stage: Tube-Fet hybrid.
2nd Gain and line stages use mu circuit topology*.

Power Sequence: Mute-on delay turn-on sequence with soft-start B+ supply.

Design Philosophy:

The SWLP 9.0SE is designed to offer the Audiophile, World-Class preamplifier performance, including a Class A phono stage with outboard power supply.

The unit is voiced to offer a full, fast and accurate recreation of the entire frequency range. Bass is deep, tight and authoritative and high frequencies sparkle. The tube rectified supply (optional) adds liquidity and holographic imaging.

Great care was taken to minimize all noise in the signal, even at high gain levels. This is due to attention to shielding, grounding and power supply design.

The tube complement was chosen to provide high-current, lower noise and low distortion. The 6C45, 6N1P and 5687 all complement the design in this respect and offer an exceptional level of performance.

Top quality parts are used throughout, including Schottky diodes, metal film Vishay resistors, ceramic tube sockets and hiqh-quality polypropylene and teflon film caps in signal path applications insure exceptional performance.

 

REVIEWS

Best Of 2005
Blue Note Equipment Award
Click on logo above

Read Part 1 of the latest 6-Moons review HERE

Enjoy The Music - Superior Audio Column
http://www.enjoythemusic.com/superioraudio/