FINEMET® Nanocrystalline output transformers available again .
FINEMET® Nanocrystalline output transformers available again .
The 300B originally designed by Western Electric in 1933 as the 300A and in 1938 the 300B.
It was primarily used in telephony and then fitted to theatre amplifiers .
The 300B design has a magical midrange quality , reproduction of human voice is very lifelike .
We have combined the 300B now with very high quality output transformer options, to give the listener the ability to hear spatial characteristics that are lucid and engaging.
A warm and very smooth character.
The positions of singers and instruments are pin point accurate and move in harmony as they shift across the stage.
Full bass lines and leading edges of notes are pristine in their reproduction.
Strings and woodwinds are presented in full bloom , layered and textured with a beguiling sense of realism .
The toroidal power transformer is very low in spurious emissions allowing for very quiet operation combined with DC regulated heaters provide no audible hum at all, perfect for high efficiency speakers.
Solid State IXYS DSEP30 -12A DIODE based power supplies or a JAN 5931 tube rectifier can be ordered .
Information regarding these options in under the MORE TAB - performance data.
A number output transformer choices outlined under MORE TAB performance data.
We are now offering new production Western Electric 300B tubes as an option as well as an integrated version with dual input / Volume control.
The 300B heaters have a fully regulated power supply to eliminate any HUM.
Constant current source supplies are used on the E180F input tube for increased drive and a faster transients with very low distortion.
7N7 driver tube with Integrated option.
E180F replaces E280F driver tube on the basic power amplifier.
10Hz - 80 KHz -2dB
Please refer to Pricing TAB for output transformer options .
Suitable high efficiency speakers for the SE 300 B
https://www.wyndhamaudio.com.au/products/wyndham-audio-ch1-loudspeaker
For those wanting the more traditional tube rectifier sound we include this option on the Russian birch ply chassis with 5mm Alloy top and bottom plates .
Black or Natural timber finish ( orange oil and wax finish )
Please look under MORE / Amplifier performance for details on SS or tube rectifier sound difference .
The Single Ended 2A3/6C4C is perfectly suited to full range drivers like Lowther,Feastrex,Fostex, Full Range Horns and Contrast Audio Speakers.
The PM Millett regulated Heater Supply ensures very quiet running free of hum.
This amplifier is inherently musical and lifelike in its musical portrayal .
Individual instruments are pin pointed within are large sound and open stage .
Performers voices have a naturalness about them which is quite beguiling .
Micro detail is a real strength of this amplifier , a warm full midrange and extended high frequencies blend naturally together , solid bass is there in spades .
We tend to run our tubes at lower DC standing current and higher voltage , this lessens the current load on the transformer iron allowing for lower distortion and higher power .
Seen here with a E280F input tube , other options are available including the WE408A and 7N7.
We employ quiet running toroidal power transformers ,low in spurious emissions which contribute to a very quiet clean sounding back ground in which the music can present itself .
A rectifier tube or the latest SS IXYS HiPerFRED diode power supply are the choices we offer.
Information regarding this choice is under the MORE TAB- performance data. 10Hz -80 KHz -2dB
The high end transformers alone, cost more than most Chinese 2A3 amplifiers on ebay.
Other transformers are optional on the pricing page .
All output transformers are chosen from the best of the USA and Japanese manufactures.
Very low noise Toroidal power transformers are in all our amplifiers .
Some speakers suitable for our Amplifiers can be found at >
https://www.wyndhamaudio.com.au/products/wyndham-audio-ch1-loudspeaker
https://www.contrast.com.auhttp://
Contrast Model one 95db/1 watt bookshelf size .
www.redspade.com.au/audio/ www.tcloudspeakers.com https://www.commonsenseaudio.comwww.wyndhamaudio.com.au
This Amplifier can be used in Triode and Ultra-linear Mode for more power .
For those wanting a little more power than a 300B then the KT88 will deliver up to 12 watts in Ultra -Linear and 8 watts in Triode.
Ultra-linear is more dynamic in its presentation providing excellent dynamics but retaining that all important tube smoothness.
In triode mode we are back listening to a cross between a 2A3 and 300B , the best of both worlds .
HATT AUDIOLAB of Japan have a very extensive range of drop in replacements for the old Tango range of transformers , using the Japanese Orient steel cores and same multifilar winding techniques to match the original audio performance .
AUDIOPHILE QUALITY
HATT Audio Transformers
General Transformers Finement ®
HashimotoTransformers.
Dale Non Inductive WW Resisters
Dale RN series Resistors
Takman Carbon Resistors
Precision Electronics Corporation Carbon Close Tracking Potentiometer
Sprague Cathode Capacitors
Kiwami carbon film resistors
All Power HV Supply Capacitors are low ESR capacitors including , ClarityCap TC2 ,CDE/UNL & KEMET .
Audience OFC hook up copper wire
KLE RCA inputs.
CME speaker binding posts
Rod Coleman Constant Current Source Heater Supplies
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