Founded in 1991 by legendary audio designer Nelson Pass, Pass Laboratories, Inc. markets its unique amplifiers, preamplifiers and speakers throughout the world. The company has been based in Foresthill, California, since its beginning, and is widely regarded as one of the most innovative audio brands in the world. Our critically acclaimed Aleph, X and XA-Series products have won numerous awards, and Founder Nelson Pass holds numerous audio patents. His achievements include developing the first dynamically biased Class A amplifier circuit, developing a fully cascode audio power amplifier, and developing the Stasis amplifier in 1977. He helped popularize solid-state, single-ended Class A power amplifiers, and developed the very successful Aleph series of products, and the Super-Symmetry™ circuit, which achieves exceptionally low distortion and noise levels. The company is now poised to introduce a new generation of amplifiers and other high-performance audio products.


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PASS LAB  INT 25                                                                 Listino  ufficiale  €. 11.085,00

Amplificatore integrato, 2X25 watt rms su 8 ohm per canaleCLASSE A

The INT-30A is Pass Labs’ second integrated amplifier, a 30-watt Class A version of its INT-150 Integrated Amplifier, and based on the XA30.5 Stereo Amplifier. It combines the space-saving benefits of an integrated amplifier with the sonic performance of Pass Labs’ superb XA.5 Series of Class A amps, which includes Pass’ patented Super-Symmetry™ circuit Technical specifications  Class AB Type Stereo Gain (dB) 30/36 Volume control (1dB steps)63 dB Remote Yes Inputs 4 Outputs 2 Frequency Response -6 dB @ 80 KHz Power Output /ch (8 ohm) 250 Distortion, (1 KHz, full power) 1% Input Impedance (Kohms) ea Leg 45 Damping Factor 150 Output Noise (uV) <250 Input CMRR (dB) -60 DC Offset (V) 0.05 Leaves Class A pk 15 Power Consumption (Watts) 450 Dimensions (W x H x D) 19 x 21.25 x 9.1 Weight (LBS) 105

PASS LAB  INT 60                                                                      Listino  ufficiale  €. 13.780,00

Amplificatore integrato high bias classe AB, guadagno 29 / 35 dB, potenza 60 watt su 8 ohm, 120 watt su 4 ohm, quattro ingressi (tre single ended, uno bilanciato), consumo 375 watt

This integrated amplifier sets a new benchmark in significantly narrowing any perceived performance gap between separate components and integrated amplifiers. Advanced technologies and real-world testing combine to create the INT-60 which presents 60 glorious watts per channel into 8 ohms, and doesn't leave class A until 30 watts thanks to its high-bias operation. This larger class A operating envelope brings lower distortion and greater loudspeaker control, delivering higher quality musical fidelity for your enjoyment.Technical specifications  Class AB Type Stereo Gain (dB)29/35Volume control (1dB steps)63 dB RemoteYes Inputs4 Outputs 2Frequency Response-6 dB @ 80 KHzPower Output/ch (8 ohm) 60 Distortion (1 KHz, full power)1% Input Impedance (Kohms) ea Leg 45Damping Factor150 Output Noise (uV) <250Power Consumption (Watts)375 Temperature (deg C.) 53 Dimensions (W x H x D) 19 x 21.2 x 7.6Weight (LBS) 93

PASS LAB  INT 250                                                                       Listino  ufficiale  €. 18.820,00

Amplificatore integrato high bias classe AB, potenza 250 watt su 8 ohm, 500 watt su 4 ohm, ulteriori specifiche a breve

Like the INT-60, the INT-250 utilizes the synergies developed in the .8 series power amplifiers. Unlike the INT-60, however, it brings 250 watts per channel of listening pleasure. With higher power MOSFETs and more of them, the INT-250 drives large, demanding and relatively inefficient loudspeakers at higher volumes without batting an eyelash, singing beautifully. Just incredible music from one component.


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PASS LAB  FIRST WATT SIT4                                                           Listino  ufficiale  €. 8.405,00

Le caratteristiche soniche lo pongono in assoluta evidenza nel segmento di mercato in cui si colloca, regalando quella naturalezza del suono caratteristica delle produzioni Pass Amplificatore stereofonico, MOSFET, Classe A,guadagno 14 dB, ingressi single ended, sensibilitàingresso: 500 mV=1 watt (3V), potenza 25 watt su 8 ohm, consumo 160 watt.

PASS LAB  FIRST WATT F7                                                            Listino  ufficiale  €.  5.045,00

Le caratteristiche di progettazione garantiscono un suono potente e cristallino, definito e spazioso capace di ben amalgamarsi a componenti audiofili high end, anche grazie alla possibilità di interfaccia in ingresso sia bilanciata sia single end Amplificatore stereofonico, JFET, Classe A, guadagno 20 dB, ingressi single ended e bilanciati, sensibilità ingresso: 280 mV=1 watt (1,4V), potenza 25 watt su 8 ohm, consumo 200 watt

PASS LAB  XA 25                                                                        Listino  ufficiale  €.  7.510,00

Amplificatore stereofonico in Classe A/AB, guadagno 20 dB, potenza 25 watt su 8 ohm (Classe A), 50 watt su 4 ohm (Classe A), 100 watt su 2 ohm (Classe A/AB), consumo 240 watt.

Entering their 22nd year of production, the X and XA power amplifiers have remained at the cutting edge of audio through continuous innovation and refinement. At Pass we build amplifiers with excessive output stages, huge heat sinks and massive power supplies. We use the highest quality components in simple linear topologies, assembled and tested with great care in Auburn, California. They measure well and sound great. They are heavy, reliable and expensive. Technical specifications  Gain 20 dB gain Output Power 25 Watts rms @ 8 ohms 50 Watts rms @ 4 ohms Distortion 0.1% @ 25 Watts, 8 ohms, 1 KHz Class A envelope 50 Watt peak for 2, 4 or 8 ohm load Bandwidth DC to -2 dB @ 100 KHz Noise Less than 50 uV output, unweighted 20 to 20 KHz Damping Factor 500 Slew rate 100 V/uS Input Impedance 47 Kohm Peak Current 10 Amp output (200 Watt peak into 2 ohms) Protection Shutdown at 10 amps output Idle Power draw 2.0 Amps @ 120 VAC (240 Watts)

PASS LAB  XA 30.8                                                                     Listino  ufficiale  €. 10.425,00


Finale stereofonico in pura classe A, 30+30 watt / 8 ohm, 60+60 watt / 4 ohm

Since the X1000, Pass Labs products have continuously evolved toward higher performance. The Class AB "X" series was joined by the Class A "XA" amplifiers. Subsequent improvements to the Class AB "X" amplifiers resulted in the "X.5" products, and their phenomenal success has led to the Class A "XA.5" series.As always the goal has been the best musical and objective performance possible with minimal parts in the signal path and minimal feedback. This process is not completely understood, and many of the improvements are the result of trial and error and extensive listening.Measurement of performance is important to us, and we feel that well-designed product sounds good and measures good. Apparently it is possible to make an amplifier which measures well but which does not please the ears, and so we let our ears be the final judge.Gain 26dB Freq. Response -3 dB at 1.5 Hz, -2 dB at 100 kHz Power Output 30 watts @ 8 ohms - 60 watts @ 4 ohms Distortion 0.01% @ 10 W, .11% @ 100 W @ 1 KHz approx. Output Voltage +/- 30 volts Output Current +/- 20 amps Input Impedance 30 kohm balanced, 15 kohm unbalanced Damping factor 150 ref 8 ohms nominal Slew rate +/- 50 V/uS Output Noise 150 uV unweighted 20-20 kHz Random noise floor approximately 1 uV Dynamic range 150 dB (random noise floor to peak output) Balanced CMRR -60 dB @ 1 kHz DC offset < 50 mv Power Consumption approx. 200 watts Dimensions 19"W x 7.5"H x 20"D Weight 68 LBS

PASS LAB  X 150.8                                                                     Listino  ufficiale  €. 10.425,00

Amplificatore stereofonico in Classe AB, guadagno 26 dB, potenza 150 watt su 8 ohm, 300 watt su 4 ohm, consumo 375 watt.

PASS LAB  X 250.8                                                                    Listino  ufficiale  €. 15.310,00

Amplificatore stereofonico in Classe AB, guadagno 26 dB, potenza 250 watt su 8 ohm, 500 watt su 4 ohm, consumo 450 wat

PASS LAB  X 350.8                                                                    Listino  ufficiale  €. 21.725,00

Amplificatore stereofonico in Classe AB, guadagno 26 dB, potenza 350 watt su 8 ohm, 700 watt su 4 ohm, consumo 550 watt.


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PASS LAB  X 260.8                                                                     Listino  ufficiale  €. 10.390,00

Amplificatore monofonico in Classe AB, guadagno 26 dB, potenza 260 watt su 8 ohm, 520 watt su 4 ohm, consumo 375 watt

PASS LAB  X 600.8                                                                    Listino  ufficiale  €. 20.850,00

Amplificatore monofonico in Classe AB, guadagno 26 dB, potenza 600 watt su 8 ohm, 1.200 watt su 4 ohm, consumo 550 watt.

PASS LAB  XA 60.8                                                                     Listino  ufficiale  €. 10.390,00

Finale monofonico in pura classe A, 60 watt / 8 ohm, 120 watt / 4 ohm

The XA 60 monoblock power amplifier embodies the design technology and refinements of the larger "XA" series amplifiers, including extensions of the patented SuperSymmetry circuit. The XA 60 has a massive torroidal transformer coupled to a high current DC reservoir. Recognizing that the XA 60's ability to resolve microdynamics is best experienced with clean power, the extreme low-level resolution of the XA series benefits from a specially designed power supply that significantly reduces and rejects power line borne noise.The XA 60 will deliver 60 watts rms into 8 ohms of impedance. This is the amplifier's class A limit, and driving the XA 60 harder or reducing the impedance of the load will not convey any additional power. The XA 60 monoblock is packaged in an artistically refined variant of the massive chassis previously reserved for the X150.5 stereo amplifier.

PASS LAB  XA 100.8                                                                 Listino  ufficiale  €.  15.310,00

Finale monofonico in pura classe A, 100 watt / 8 ohm, 200 watt / 4 ohm

The XA 100 monoblock power amplifier embodies the design technology and refinements of the larger 'XA' series amplifiers, including extensions of the patented Supersymmetry circuit. Recognizing that the XA 100's ability to resolve microdynamics is best experienced with clean power, the extreme low-level resolution of the XA series benefits from a specially designed power supply that significantly reduces and rejects power line borne noise.The XA 100 has a massive torroidal transformer coupled to a high current DC reservoir. The XA 100 will deliver 100 watts rms into 8 ohms of impedance. This is the amplifier's class A limit, and driving the XA 100 harder or reducing the impedance of the load will not convey any additional power. The XA 100 monoblock is packaged in an artistically refined variant of the massive chassis previously reserved for the X250 stereo amplifier

PASS LAB  XA 160.8                                                                 Listino  ufficiale  €.  20.850,00

Finale monofonico in pura classe A, 160 watt / 8 ohm, 320 watt / 4 ohm

Characteristics of this series include the warm midrange and sweet top end of the Aleph product, combined with the extreme dynamic range and definitive bass control of the X series amplifiers. Supersymmetry, the patented circuit topology that is the cornerstone of the X-series, appears again in this new series of amplification, adding dynamic range, bass authority and control, and accurate detailing in support of the lush Class A output stage electronics. The XA 160 is built in the same chassis as the Pass X600 and X350, and presents form and function in a striking balance.The XA 160 mono block amplifier is a smaller and more physically manageable implementation of the XA 200. It delivers 160 watts into an 8-ohm load, and like the XA 200, cannot be induced to provide additional power under any operating circumstances. The emphasis of all the amplifiers in this new series is to accentuate performance over power. Characteristics of this series include the warm midrange and sweet top end of the Aleph product, combined with the extreme dynamic range and definitive bass control of the X series amplifiers. Supersymmetry, the patented circuit topology that is the cornerstone of the X-series, appears again in this new series of amplification, adding dynamic range, bass authority and control, and accurate detailing in support of the lush Class A output stage electronics. The XA 160 is built in the same chassis as the Pass X600 and X350, and presents form and function in a striking balance.Gain: 26dB  Freq. Response: -3 dB at 1.5 Hz, -3 dB at 100 kHz Power Output: 160 watts maximum @ 1% THD, 1 kHz, 8 ohms Distortion: @ 1 KHz approx. 0.01% @ 10 W, 0.1% @100 W, 1% @ 160 W Output Voltage: Maximum plus, minus approx. 50 volts Output Current: Maximum plus, minus approx. 7 amps Input Impedance: 22 kohm balanced, 11 kohm unbalanced Damping factor: 30 ref 8 ohms nominal Slew rate: approx. plus, minus 50 V/uS Output Noise: approx. 300 uV unweighted 20-20 kHz Random noise floor: approximately 2 uV Dynamic range: 154 dB (random noise floor to peak output) Balanced CMRR approx. -60 dB @ 1 kHz (input common mode rejection ratio) DC offset: < 100 mv Power Consumption: approx. 550 watts Dimensions: 19"W x 11"H x 22"D Weight: 150lbs

PASS LAB  XA 200.8                                                                 Listino  ufficiale  €.  32.080,00

Finale monofonico in pura classe A, 200 watt / 8 ohm, 400 watt / 4 ohm

The XA 200 mono block power amplifier is the first in an entirely new series of power amplifiers that significantly raises the standard of excellence in audio amplification. The "XA" series features a refined and elegantly simple, very highly biased, pure Class A mode of operation. This new topology, descriptively characterized as being single-ended Class A, combines the very best of the original Pass Labs "Aleph" series with the present "X" series characteristics.The XA 200 will deliver 200 watts into 8 ohms of impedance, and driving this amplifier harder will not produce any additional power. Speaker matching is therefore a consideration with the XA series amplifiers, as it was with the original Aleph series. However, for the listener with efficient speakers who truly appreciate the most musical presentation possible, few if any amplifiers can approach the level of detail, intimacy, frequency response and dynamic range that the XA 200 will provide. Lush, detailed midrange, combined with a sweet and silky mooth top end, and the authority and bass control offered by Supersymmetry, works together in an intimate and transparent fashion.Gain: 26dB Freq. Response: -3 dB at 1.5 Hz, -3 dB at 100 kHz Power Output: 200 watts maximum @ 1% THD, 1 kHz, 8 ohms Distortion: @ 1 KHz approx. 0.01% @ 10 W, 0.1% @100 W, 1% @ 200 W Output Voltage: Maximum plus, minus approx. 60 volts Output Current: Maximum plus, minus approx. 9 amps Input Impedance: 22 kohm balanced, 11 kohm unbalanced Damping factor: 30 ref 8 ohms nominal Slew rate: approx. plus, minus 50 V/uS Power Consumption approx.: 650 watts Dimensions: 19"W x 11"H x 28"D Weight: 175lbs

PASS LAB  XS 150                                                                    Listino  ufficiale  €.  46.230,00

Amplificatore monofonico in pura Classe A, guadagno 26 dB, due telai, potenza 150 watt su 8 ohm, 300 watt su 4 ohm, consumo 500 watt.

Like the Xs 300, this amplifier was developed through constant and thorough innovation. After years of SIT device experimentation, followed by deployment in Nelson's First Watt designs, circuit modification captured the unique tube-like sonic footprint of SITs from much higher-output MOSFET devices used in the Xs series. The result is unparalleled, fatigue-free listening enjoyment.

PASS LAB  XS 300                                                                    Listino  ufficiale  €.  60.455,00

Amplificatore monofonico in pura Classe A, guadagno 26 dB, due telai, potenza 300 watt su 8 ohm, 600 watt su 4 ohm, consumo 1.000 watt

Xs 300 The Xs series monoblock power amplifiers represent the reference-quality, state-of-art amplifiers from Pass Laboratories. Through years of "spare no effort" endeavor, they represent the true pinnacle of music reproduction. The Xs 300 delivers 300 watts, employs separate power supply and amplifier chassis' for lower noise and utilizes higher-power constant-current source. Single-ended bias current not only lowers distortion, but facilitates better control of its harmonic structure, tweaked and optimized through endless listening tests for your musical pleasure.


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PASS LAB  XP 12                                                                       Listino  ufficiale  €.  8.895,00

Preamplificatore single ended e bilanciato, comando a distanza.

The new XP-12 starts with a new power supply. It uses an efficient toroidal design with both an electrostatic and Mu metal shield along with vacuum impregnating and epoxy fill. This gives us a very quiet transformer both electrically and mechanically. The power supply circuitry itself is also lower noise and has additional filtering, a little more complicated but worth it. The XP-12 uses the single stage volume control borrowed from the XS line preamp. This gives us one hundred 1 dB steps with lower noise and distortion while removing some signal path parts. The gain circuitry continues to use our favorite transistors from Toshiba but has a larger higher biased output stage similar to the XS preamplifier auto bias. This makes longer and multiple cable runs easier to drive and gives us the advantage of simplifying our single ended output circuitry while increasing performance. Overall this makes for a quieter more neutral, musical and versatile control center for your system.Technical specifications  Power Consumption30 Watts Gain 9.3 dB Balanced Frequency Response +/-0.05 dB @ 10Hz to 20KHz; -1 dB @ 100KHz Crosstalk>100 dBResidual Noise15 uV @ 10 - 30 KHz THD <0.001 @ 1V 1KHz; Double shielded low noise toroid Dimensions 17”w x 12.5”d x 4”h @ 20lbs
 

PASS LAB  XP 22                                                                      Listino  ufficiale  €.  14.545,00

Preamplificatore single ended e bilanciato, due telai, alimentazione separata, comando a distanza

PASS LAB  XP 32                                                                      Listino  ufficiale  €.  26.795,00

Preamplificatore single ended e bilanciato, tre telai, alimentazione separata, comando a distanza. OPTIONAL Singolo canale analogico.   6.590,00  EURO

The XP-30 is a three-piece modular preamplifier consisting of one control/power supply chassis and two additional gain chassis each containing analog signals of a single channel. The XP-30 generates less noise, crosstalk and distortion while delivering greater dynamic range, gain, output voltage and output current. But it is the sound, not the technical excellence, that truly makes this a breakthrough instrument.

PASS LAB  XS PREAMP                                                                     Listino  ufficiale  €. 54.055,00

Preamplificatore di riferimento a doppio telaio, vero dual mono.

This large, dual-chassis preamplifier is built in true dual-mono arrangement. Each channel has its own power supply board with over 100,000uf of capacitance for unfettered transient response. Noise levels have been dropped from the already low-noise XP30. Refined circuit design and layout, new gain-stages with auto-bias and DC compensation all combine for optimal performance. But it all comes down to sound; once you listen to the Xs preamplifier, there is no going back.


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PASS LAB  XP 17                                                                               Listino  ufficiale  €.   6..565,00

Pre fono, classe A, MM/MC, guadagno/interfaccia regolabili, uscite RCA e XLR.

XP17 uses the new-shielded low noise toroid and input filter module, like the XP-12. The power supply has an extra stage of RC filtering. We have lower radiated and mechanical noise. The XP17 has an all-new input circuit that is symmetrical and lower in noise and distortion with greater drive capability. Noise is the most prominent part of THD+N in the first section of a phono stage. By lowering noise we get better resolution and dynamics. Designed with a split EQ network like the XP 25 and XS Phono that is more accurate and can handle greater signal levels. The secondary stage runs a higher bias output stage with auto bias. The numerous loading options from the XP-15 are all still available and three gain settings to accommodate low output MC to MM cartridges.

PASS LAB  XP 27                                                                               Listino  ufficiale  €. 17.610,00

Pre fono, classe A, MM/MC, guadagno/interfaccia regolabili, uscite RCA e XLR, due telai.

The twin chassis XP-25 phonostage preamplifier greatly improves upon the already exceptional performance of the XP-15. In addition to a separate and isolated power supply chassis, the XP-25 boasts adjustable gain, two separate inputs, a low cut filter, mute feature, resistive and capacitive loading all on the front panel for easy access. With the XP-25 you will discover a whole new dimension of dynamics, inner detail and spectral richness.

PASS LAB  XS PHONO                                                                       Listino  ufficiale  €. 59.305,00

Preamplificatore di riferimento a doppio telaio, vero dual mono.

The Xs Phono preamplifier represents an all-out assault on the state-of-art in Vinyl and the most intensive and difficult design effort made at Pass Laboratories. The final product of this massive effort extracts the utmost performance from a simple topology and operates with the extremely small and delicate signals coming from today's wide variety of phono cartridges. The result is music that emerges from a quieter background and blooms into a richer, more precise soundstage.


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PASS LAB  HPA-1                                                                       Listino  ufficiale  €.  5.230,00

Amplificatore per cuffie, specifiche a breve

The HPA-1 headphone amplifier was designed ground-up to become what we believe is one of the very best sounding headphone amplifiers available today. With low feedback, wide bandwidth and a direct coupled MOSFET output stage, this musical instrument drives even the most difficult headphone loads with ease, power and grace. The HPA-1 also functions as a line-level preamplifier that sonically rivals much higher-priced competition. The measured performance is superb and the sound even better.Technical specifications  Gain (dB) 8 dB Power Consumption (W)23Output Power into 20 ohms 3500 mWOutput Power into 300 ohms200 mW Frequency Response 10hz -100k -1 dB THD + Noise< 0.005 at 1V out Input Impedance 50K Ohm Output Impedance < 2 ohms


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