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- B1 Passive Student Project
- Aleph P and D1 Analog IV stage
- Australian B1 Builders
- Bigger than expected switch on surge from my F5 :-)
- zaph sr71 good match for f5
- My new idea TL072+2 irf610
- F5 monoblock power supply for 50Hz mains
- Aleph P 1.7 problems
- mini aleph dynamic enough for 87db 4ohm monitors？
- unstable PSU for aleph-x ŕ la ZenV9
- aleph 2 problem
- Anyone can confirm piggybacked PCM1704 on Pass D1 24/96???
- TO-3P mica insulators available
- Pearl (one) Build
- Let me fan the flames--Driverack and F5
- What is Pass Labs?
- Pre amp for Aleph J-X
- Merry Christmas to all and classic tale for you...
- Low watt Aleph J
- A question to mr Pass about the document; Audio, distortion and feedback.
- B1 passive + Pearl 2 phono preamp + DCPS improvements?
- Donate a merry Christmass
- Threshold S150 bias adjustment problem
- Nakamichi PA-7II: Thermofuse in the potted transformer
- Threshold NS10 Gain?
- Anything special about the Threshold SA/1 "Limited Edition" ?
- SemiSouth Spice models?
- Choke input PSU...
- F5....and Martin Logan Sequel Panels?
- f5 clone on ebay
- B3 preamp
- Aleph X compact pcb
- F4 in Burning Amp Chassis – Wondering What To Do Next?
- F-5 output device failure mode
- Seeking F5 Single-sided PCB layout
- Drilling and tapping Conrad heatsinks
- Pass XP-15
- To Mr Nelson Pass, XA160.5 with Wilson Sashas?
- Lower capacity output CAPS on B1 buffers posible?
- richard clark amplifier test
- What determines how high bias can be on F-5?
- Best Capacitor Replacement for Fet 10 PC
- XA.5 evolution anyone ?
- iffp 240 on ebay, fake?
- Voltage on f1 power supply ?
- Nelson Pass patents the Karlson Koncept :)
- silpad or mica for to247 in F1
- Simple THD meter
- Semisouth SJEP120R100 Power Loss
- Most powerful Pass Labs Amp
- Help diagnosing B1 Build (newbie)
- nowe audio "mono3.5" Solid State Single Ended MOSFET Power Amp -New Heatsink Approach
- Aleph 3: rail voltage as dc offset
- Balanced B1 Buffer
- Pass A-40 boards available anyplace?
- Next suggested build after F5
- Completed aleph J --loud cracking sound on switch off
- New Aleph J build
- Help needed to start F3 building
- Input impedance resistor, F4 amplifier
- Forte 6 which pot
- LSK170F ?
- My Aleph3/5-BA-2-Semisouth-J2 Clone Monster
- Would this enclosure work for an F5?
- Threshold S/500 stable at low loads?
- 30006900 Mosfet ??
- Gen 9 Mosfets
- how to switch my X1 preamp voltage 220V to 240V
- Bought a new wonderful X250 need some advice
- Help with irfp240
- An IV amp using the BS170R mosfet
- Nakamichi PA-5 and PA-7 Design Help Requested
- A40 parts
- DIY Speaker Suggestions to use with F5
- Which Pass DIY amp for lowest heat + power useage?
- My fist Pass Amp
- Semisouth Aleph J?
- Trouble with point to point F5
- Mezmerize DCB1 Building Thread
- New Line Stage
- what aleph disign is best to drive thiel cs3.7?
- F1 Help
- Bi-Polar Capacitor Help Needed
- Pre-Amplifier Aleph P 1.7 - why Attenuator Network after the Gain Stage?
- super symmetry seeking ideas
- Bass-ackward amp selection...
- What is "Pass Labs"
- Lame Amp Question - X'ing, Balanced Input, same as Bridging?
- Install a VU meter in Aleph 1.2
- Threshold 400A Looking for advice on restoration
- Looking for Threshold FET 10/e in silver
- UGS-DC offset
- New A40 built but -30V in R. channel
- Pass Labs amp combination for Thiel speakers, need Mr Pass' advice ! And everyone...
- Regulating first stage of a First Watt amplifier
- Pass Labs Loudspeakers
- aleph 5 or x
- Bride of Zen assembly question
- From whats what and which to Nirvana
- Found a pair of Aleph 1.0 and 1.2 shall I buy?
- F5 clone by Suds
- Which transistors?
- welding on the aleph 2 pcbs
- FET10e Channel Noise
- My Aleph 5 MK II Power Amplifier
- Mosfet testing
- Threshold Amplifier - Overview and Schematic Collection of all Models
- Threshold Fet One
- CheffDeGaar UGS preamp vs other or Borbely
- More FET noise measurements (for EUVL)
- Penultimate Zen transformer
- Best symmetrical PSU for B1 buffer
- I would like to see what we can do to help Zen Mod attend Burning Amp 2011
- help with Mini-Aleph/Aleph 30
- My Dream Aleph 2 Coming True
- Indcutor in CRC filter of PSU
- Switch & Volume control needed...
- Voltage output issue with B1
- PAPA'S KOAN ....... was Papa's Surprise
- Can this circuit using B1 buffers be simplified
- AM I Planning for disaster??
- Complete Novice Needs Help
- 2SJ109
- Is the F1 dead?
- seperate regulated front end for f4
- Display problem with Pass X1
- "CA-10", new Single Ended Power amp Device based on Aleph or ZEN ?
- capacitor
- Need service manual Sony
- A Zen I/V variant for the Saber DAC
- Capacitors Aging Pass X0
- ALEPH2
- Just wondering if Vic is....
- Pass amps for my tannoy monitor golds?
- 314159265358979323846264.... good rasons why?
- what to do whit this ??
- Threshold S/300
- Power output into 4 ohms
- Suggest me a preamp for my F4!
- Whats what and which
- BABY MONITOR OVER VOLTAGE APPLIED
- I fried someting on my F5...ugh
- citation 12 irf 130
- Pass mosfet citation 12 clone
- Voltage regulation on F5 power supply?
- speaker cone expand and contract when power on SA-3
- Transformer output for zen I/V
- FS: F5 Heatsinks
- MF Citation12 - MF gate resistor value
- Bosoz or another line stage in front of crossover with B1 buffers
- Threshold SA/1 diagram or Service Manual
- Recommend a project to fit in a Counterpoint SA100 chassis
- Heatsink at 2SJ109 in Aleph J
- Zen I/V Converter
- convert aleph 2 to pre for f4
- F5 with IRFP9140
- Matching IRFP244 MOS-FETs
- How does the current source work in a single-ended amp ?
- ZVP3310 - Good choice as input fet for Aleph 30
- Impasse with the F-5?
- Aleph amp questions
- Zen4 problem
- Forte Model 3 advice needed
- Fired up my Aleph 30 for the first time tonight...
- Aleph testing
- Balanced F5 question
- All JFET PLH Amplifier
- PS Caps
- Quick heatsink question
- Anyone Interested in Aleph PCBs?
- Transformer Screen & Signal Grounding Issues
- Pass F2
- Threshold S/500 power supply electrolytic replacement
- Thermistor Selection
- Return of Zen Input Scaling
- Aleph 4 Strickly DIY Project Build
- F5 where is the 4th harmonic
- New Nelson Build dubbed the Arch Nemesis
- jboz J310, 12volts, question about Drain R
- New guy here... My trusty 400a died...
- B5 caught in the wild :)
- F5 on batteries
- A question for Nelson Pass
- Aleph2 project
- Adcom gfa555 upgrade
- Want to build a Pass lab design....help desired
- AVX polypropylene film caps
- Aleph 3 input fets - How hot?
- F5 Preamp Simulation Shoot Out
- Would you guys mind giving me some input on my Aleph 5 PCB design?
- F5 Cascode and parallel output device questions
- Watt Meter
- Aleph J input capacitor (C1)
- passive noble 10k preamp loud buzz
- Building an Aleph 5...two quick questions
- Blown outputs (maybe?) in my Forte' 3 amp.
- Power supply connections
- Pearl Phono strange working
- amp selection?
- Troulbleshooting BOZ-J
- Other DIY Pass pre amps
- Amplifier Utilizing Two-Stage-Included Local Negative
- DC Couple X150.5?
- Thermistors and the F5
- Nakamichi TA-3A Tuner problem
- B 5 crossover
- Zen˛ MOSFET SRPP Power Amplifier
- Another GFA-555 With high dc offset
- Best Firstwatt amp for backloaded horns?
- F-5 Power Supply part Question
- A question about Push-pull class-a
- Modified Dual Differential F5
- Nelson Pass Aleph 5 - Heatsinks
- BoZ versus BosoZ
- f4 parts substitution
- Hoping somebody can help with De-Lite build?
- HELP: Trivial Balance Control for Balanced B1
- Fave Amp: Breadth
- pcb
- Alpeh 5 ???
- Aleph 4 - the right amp?
- X150.5 overheating (maybe)
- B-1 assembly, Pass boards and PEC pots
- Pass ONO or XONO PCB???
- F2 and F5 heat question
- Aleph 5 ,go..........
- Firstwatt F1J
- Anyone has experience on the Pass Labs X260.5 vs X350.5
- Value of Nakamichi PA-7 power amp?
- F5 - how to reduce bandwidth response
- SemiSouth Donuts
- My new members Show f 5 amp
- Which Pass Aleph diy board choose for no compromise headphone amplifier?
- input selector
- F2 Zen Type
- 400A VU meter
- B1 buffer w/out volume controls
- Biasing and cascoding questions
- Mosfet Citation 12 - Negative swing clip first
- First Watt kits? Projects?
- F4 sweet spot...
- pass-d : zen using a switched constant current source
- Pass X350 voltage & current
- F5
- Looking for a capacitor
- Mini-Aleph-J Question
- Hello, again, and and a request for help for a failing memory.
- s150 blown neg rail fuse
- F5 with 2SK2013/2SJ313
- Bi-amping question