Haller - Buchheim PH-8 Analog Phaser

We had great luck to test the Haller - Buchheim PH-8 Phaser. This Phaser is a real monster of functionality. It has 6 different sound colours and different ways to adjust the rates. Among others, the rate can be controlled via Envelope! The Buchheim PH-8 is built by a small German company in Erlbach. A great piece of work, but see for yourself....


I tell you right before we start to get in deeper that I am a huge fan of the Haller Buchheim PH-8 Phaser. The box is absolutely ingenious and well designed!

But from the beginning, what do we have here? The Buchheim is a phaser working with a photo resistor, so far nothing new. But some unique features are hidden behind the control options. The phaser offers a variety of sophisticated options. 6 different sound colours can be chosen of, two different rates can be accessed by a preset or you can chose to influence the rate can by the envelope curve. What more do you want? Right! That the phaser looks nice too, and this one does.

The Phaser comes in a large self-designed enclosure, in a beautiful retro look. It is not very striking in color, brown and beige, but this matches the vintage look the device wants to achieve. On the top there are 3 footswitches to control all the functions and 5 potis for Auslenkung (depth), Farbe (colour), Empfindlichkeit (sensitivity), Adagio and Allegro for the rates. The left footswitch is the true bypass, in one the middle is the switch for Modus (activates envelope) and on the right you can switch between Adagio and Allegro (slow and fast). On the backside you will find the power connection (9V DC, 23 mA), input and output jacks and also connections for an external footswitch to remote control the switching options. This allows the phaser to be put into the rack, for example.

Enough of the look, the sound is what matters. Again, I'm totally impressed. The phaser sounds beautifully smooth and not intrusive at all. With the Auslenkung (depth) poti everything from light phaser sounds to deep space wobbling can be realized. The phaser sound can additionally be modified by the 6 "Farben". These 6 "Farben" are all different sounding, you better hear it for yourselves! The sound is convincing. But for now we should also talk about rate control. Usually phasers have one rate poti, this one has two! These also have a different control range. At the push of a button you can move from deep wobbled chords to a faster phaser sound for solos. And that's not even all, you can also control the rate by an envelope. At high input level, the rate is faster and then slows down when the level decreases.

We also tried the Buchheim PH-8 with a Fuzz in front. A perfect match as you might expect. Also behind a delay he works great and modulates the repeats nicely. But what I love most about phasers is the placement behind a reverb. Turn the reverb’s decay fully up, set the phasers depth full and the rate as slow as possible. This is where the deep wideness of outer space begins! Or you're making it crazy with envelope control that must be the sound of black holes. I could listen for hours and hours and hours…


Anyway, the Buchheim PH-8 from Haller is definitely a secret tip, which is worth trying out!

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