Hathor
Hathor
Embedded Files
These are my cardioid reference monitors. There were three major requirements:
good step response aka minimum phase behaviour
cardioid behaviour from the upper bass on
neutral, full-range sound
I was able to build a speaker with objectivist tendencies that manages to also impress in terms of sound.
The liveliness and resolution from this inefficient bookshelf speaker while managing to keep a certain liquid smoothness needs to be heard. It also has a sound projection that is totally unlike anything I have experienced in this size range.
Most of this is due to the 4" full-range and the special enclosure it sits in. This is a very special driver that requires some love in its implementation. For this I had to use custom Mundorf foil coils.
Since there is no high pass on the widebander (as in Amon) we can avoid using a series cap (or parallel coil). I find this gives a transparency that even the best caps lack.
Not many woofers are up to the task and make for a coherent whole. To keep the transparency of the woofer section as high as possible the series coil here has to be of the absolute highest quality that is available. The parts here are worth as much as the rest of the speaker and are of higher quality than what is found in many flagship speakers.
As with all of my speakers there's a ground connection which is connected to the driver's magnet top plates. Connecting it to the ground connection of the grid is highly recommended.
The damping material is an integral part of the tuning of the speaker here. And not only does the amount and placement of the damping materials matter especially here, the material itself is very important, too. Natural sheep's wool in 4 very different forms is used here.
The finish is white glossy paint on the rear and glossy wood on the front.
Different types of wood are available on request, but the inexpensive spruce wood has a very nice timbre and is thus recommended.
Specifications
Specifications
2-way cardioid, minimum phase speaker with a 4.5" full-range and 8.5" woofer
Rear attenuation:
-10dB at 100Hz, -20dB at 1kHzPhase response:
Excess phase is ± 1 degree 20Hz to 80kHzSensitivity:
85dB/2.83VrmsNominal Impedance:
4 Ohm (minima: 3.2 Ohm at 27Hz & 3.4 Ohm at 106Hz)
Impedance rises smoothly towards high frequencies, slightly inductive load.Frequency range:
(-10dB): 20Hz- 40kHz
(-6dB): 35Hz - 35kHz
(-3dB) 50Hz - 30kHzFirst order (acoustical) crossover at 200Hz, time aligned drivers
Port tuned to 28Hz
Power rating: Tested to 100W, theoretical 40W at 300Hz (worst case)
These aren't disco speakers, but they should be able to handle around 250W momentarily.
(There is no high pass filter on the full-range driver)
Dimensions W x H x D: 250mm x 400mm x 400mm
Weight: 15kg+
Bi-wiring terminals with an extra ground lug connected to the driver baskets
2.5mm²/4mm² tinned copper in cotton internal wiring
Large foil/paper core coils and air coils, Auricap XO capacitors and Manganin resistors
HDF construction with CLD and wooden front baffle
Measurements
Measurements
Page updated
Google Sites
Report abuse