No longer in production. New headphone amps soon.
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Note: If you wish to customize your amplifier in any way or if you would like something completely custom, please e-mail me so we can discuss it!
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Class-A Single Ended Triode (SET), Transformer Coupled Headphone Amplifier
A new transformer-coupled headphone amplifier designed to dominate hard to drive headphones with ease. Boasting 4.5 watts of pure Class A amplification, this is a wonderful sounding and versatile design with gobs of power for any headphone type.
For best results try it with headphones like the HE-1000, LCD-3/4 and AB-1266. You'll be glad you did!
Power Supply
One mains transformer and two large chokes are employed for maximum filtering. The power is rectified with hyper-fast, soft recovery FRED rectifiers (the closest thing to a tube rectifier, but without the voltage loss and current limitations).
Only high quality film capacitors used throughout the power supply, which will vastly out speed, outperform and outlast even the very best electrolytic capacitors.
Driver and Output Stage
The topology used on the driver maximizes voltage gain and is extremely linear. Use your favorite 6SN7 type tube here.
The output stage is extremely versatile and is rollable with a wide array of different tube types, including (but not limited to) 6L6, EL34, KT88, etc.
We included some very nice NOS 1960's tubes to get you started.
The output transformer is an ultra wide bandwidth, high performance type custom made specifically for low impedance headphones.
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MAKOYI
This is the name of the wolf and shares my family's name.
Made in Canada
All our products are designed and built in Canada, and the bulk of the components are sourced within North America.
Warranty
This product comes with a 5 year warranty to the original owner for both parts and labor.
Tubes have a 90 day warranty.
Satisfaction Guarantee
All units come with a 30 day in-home satisfaction guarantee so you can try our products in your own home with your equipment.
If for some reason you are not satisfied with your product, you can return the item within 30 days for a full refund, minus shipping and a 10% restocking fee.
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Specifications
Power Output: 4.5 Watts RMS into 32 Ohms
Output: Strictly single ended w/ balanced XLR plug for convenience
Frequency Response: 20Hz-100kHz, +/-1dB
Input Impedance: 50K Ohms
Volume Control: Alps Blue Velvet Potentiometer (attenuator upgrade optional)
Input Voltage: 1V sufficient for most headphones
Driver Tube: NOS 6N8S included
Output Tube: NOS 6P3S included
Rectification: Hyper-fast FRED rectifiers
Topology: Single tube gain stage, single transformer coupled tube output stage. Constant current designs used throughout for maximum linearity and tube consistency over the course of the tubes' lifespan
Power Usage: approx. 80 Watts
Voltage: 117V or 230V
Size: 320mm(W) x 300mm(L) x 80mm(H)
Weight: approx. 12kg
Included with Amplifier: (1) NOS 1960's 6N8S, (2) NOS 1960's 6P3S, (1) standard power cable
Options
[+$250] Teflon Film and Foil Capacitors.
This is a big upgrade over the standard film and foil coupling capacitors that come with this amplifier. Break-in time is long, however.
[+$250] 24-Step Ladder-Type Attenuator hand-made in house with military grade resistors.
Ladder types are the best type of stepped attenuator, with only a single resistor in series with the signal path. A significant step up over any potentiometer. Picture Below
