Analog-Lab Xpass Filter
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Analog-Lab Xpass Filter

Xpass Filter, Filter from Analog-Lab.

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sbastien6229 10/24/2013

Analog-Lab Xpass Filter : sbastien6229's user review

« Super analog filter unfortunately become rare »
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100% mono analog filter manufactured by Analog Lab, a small box Toulouse now closed (see the forum).
I takes over and completes the features and previous opinions:
Phono / RCA with preamp, instrument and line inputs, 0-5V input CV (controls the cutoff), stereo output / headphone output mono line. Filter mono even if the inputs are stereo phono and line (warning signal). No midi input ... shame!
VU meter needle backlit not accurate at all.
1 knob entry level - sensitive but not at all linear effective in its last quarter before too low or must send a sick level - 1 bypass switch.
2 knobs speed (LFO frequency) and amplitude modulation (mod amount).
1 knob Resonance (harmonic generator) and 1 cutoff knob (clock cutoff filter)
1 selector (LFO triangle, square, envelope follower, fashion attack / release), 1 knob Xpass: sliding lowpass-filtering HIPASS 1 switch 12/24 dB, 1 switch bandpass / notch, 2 knobs Attack / Release Mode Reserved AR.
1 knob line level output and headphone level knob 1, 1 switch pre-headphone (cue).

The knobs have a little game, it seems, at first glance, fragile but I've never had any problems or malfunctions ... shame because it looks a bit cheap and yet it's good stuff.
Alim.15v-supplied 500mA - Dimensions: 21 * 13.2 * 5.5 cm / 1.4 kg - No brackets for racking.

2 points off the knobs, the lack of midi in and a little low entry level instrument.

UTILIZATION

Configuration simple enough not need the manual except maybe to understand the functioning of Attac / Release and still mode.
Clear manual (I have it in pdf if some are interested).
Easy editing. All (re) located in the ear. We quickly understand who does what is or what!
No memories, no MIDI, just a CV input to control the cutoff.

1 point less always lack noon (ok I'm picking)

SOUND QUALITY

Very effective but gentle enough filter. No self-oscillation or distorting.
Many use with the 4 modes coupled to the ingenious X-pass ... is its uniqueness and it allows new combinations. 10/10

However big difficulty to synchronize the tempo speed LFO (LFO Mode sorting and lfo sq). Knob not accurate enough and no midi (unlike the Electrix FilterFactory). This is his main fault and I was always embarrassed when I wanted to work on long samples (chopped by LFO) or on batteries programming to MPC. In this case I was working with a Elextrix FilterFactory, stereo, controllable and synchronized via MIDI (with MPC as my brain all this ... awesome!). 4/10

on the other hand perfect for self-wha effects or tremolo guitar and bass (dreaded envelope filter). This is in my opinion where it is most comfortable. I used either as an insert on my analog console bass or guitar DI or upstream between bass / guitar is a Mindprint Envoice. Used much less plugged into a guitar or bass amp. Very good in addition to a digital synth filters a bit soft (my Yamaha CS6x example). 10/10

Never tried it with turntables but that it should be mono not agree. Not rated DJ in use.

OVERALL OPINION

I have this filter for 5 or 6 years, I had at the time exchanged against a vocoder Electrix (blah) ... I think I got a good deal on the spot.

+ Sound smooth and precise on a charley, slamming a snare, a funky guitar or bass, etc.. To you to experiment.
+ No breath, neutral.
+ Ease, it easily gets his way ... sometimes beyond his expectations.
+ Reliability despite the cheap side knobs (on the other hand I am careful)

- No midi no sync.
- Mono.
- Relatively low levels of instrument inputs.
- Having pretty but inefficient meter.
- LFO frequency imprecise difficulty of manually synchronize the speed of the LFO on a beat for example.

This gear has become rare because few made by a box-Analog Lab-now closed. So if you have one like me keep it is already collected. And if you do not use it and if you're not fetish, do enjoy other musician or studio because it is a superb machine.
I think it's very good stuff studio. Least suited to the scene.
I also had a Electrix Falctory (sold because I stopped my studio activity and prog beats on MPC) I used to sync my MPC to tweak prog batteries, long samples or to control by the meridian of openings or closings filters.
But to treat the Xpass mono-filter, because it is very musical instrument (guitar, keyboard, bass or other) directly.

I keep it even though I'll rarely use it (I play old school jazz to Django).
I'll buy again especially for the price paid (traded actually).
Sell? Necessarily very expensive, and it would be ripped in some way because the buyer has no quoted price. Therefore subject to speculation and speculation is wrong!
But it's a shame to let him sleep in a corner because it's a great studio tool.