Around June I mentioned that my Pass Labs x250 and x1 are officially on sale (after I migrated to BHK), however, my second half of the year was extremely busy, and I had no time even for music, let alone writing sell ads. All this time my trusty Pass Labs amps were sitting in the rack (or near the rack in the x250 case) disconnected, what I find a shame for such beautiful pieces of HiEnd engineering. So, despite I love them (…sniff…), it’s time to look for new owners.
Pass Labs x250 - stereo power Class AB amplifier (230V)
Leaves Class A at 15W
Weight: 55 kg with shipping boxes
The X250 has a power transformer rated at 1200 watts, continuous duty. Under actual
conditions in the amplifier, it will do about 1800 watts for short duration.
The X250 has 20 computer grade capacitors at 10,000 uF and 50 volts each. These are used
to create the unregulated output stage rails at plus and minus 47 volts at 20 amps.
All the power transistors in the product are power Mosfets, actually Hexfets from International
Rectifier and Harris. These are hyper-matched parts, with gate voltages matched to 0.5% and
all devices taken from the same lot codes (made on the same wafer). The speed and noise
critical gain devices in the front end, (that is to say the actual balanced pair of transistors) are
ultra low noise and distortion matched JFETs having a low (.02 S) transconductance figure.
The JFETs are made on the same substrate for prefect matching.
The X250 has 32 output Mosfet power transistors in TO-3 metal packages. The output stages
can sustain transients of about 6,000 watts, but are not allowed to dissipate more than 1000
watts for any instant, even into a dead short.
The amp can drive virtually everything, e.g. Martin Logan speakers whose impedance goes down to 0,5Ohm.
The plastic cover of one binding post nut is cracked (see the photo). To tighten down a thick angled spades of a loudspeaker cable I would use a monkey-wrench anyway, to lessen the pressure on the nut wings. But the price is reduced.
Price: [SOLD] euros (originally was 8200 euros)
Pass Labs x1 pre-amplifier with a separate power supply (230V)
Weight: 23 kg with shipping boxes
Don’t know what to mention here, because x1 is a well-known Pass Labs preamp, perfectly matches Pas Labs amps, very quiet and musical. Selling it because I use only PSaudio DS box directly connected to the power amp.
Price: 3500 euros (originally was 8200 euros)
I have original boxes for both x1 and x250. I can personally deliver it to your house in the 2h driving radius (that covers the whole Netherlands, half of Belgium, and Germany up to Cologne). One note - x250 is very heavy! Both are built like tanks.
Checked Agon, audio-markt.de and a couple of other sites - these prices are the lowest. PM me if you are interested or have additional questions.