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- Something for us.
- New (to me) Threshold FET-10 HL (What to refurbish?)
- "Reference" amplifier
- Gold plated TO3 BjT's from the late 50's for Single Ended Pure Class-A Power Audio
- FET 10/HL to drive headphones?
- convert aleph 2 to aleph j
- convert a2 to aj
- Hum in Balanced Mode in Balanzed Bride Of Zen
- F3 vs J2 for a SET guy
- Aleph 3
- Playing with Nelson's puzzle.
- Bride of Zen setup and suggestions
- IRFP240 from eBay - real or fake?
- J-Low Horn Scaling
- woofer recommendations for F5 amplifier
- Pictures of your diy Pass amplifier
- Strange little circuit
- F4 power supply
- Balanced Zen Line Stage
- Aleph P with balanced shunt attenuator
- Zen Extension
- B1 buffer volume problem
- A little help needed with a Pass Aleph 30
- Aleph P1.7
- How different is the Nakamichi PA-7 from a Threshold Stasis?
- RIAA caps for Pearl and Pearl 2
- New First Watt Site
- Penultimate Zen V4 Input Fet's Question
- NP in Seattle May 20
- new SemiSouth SJDP120R085 "normally on" JFET
- Anyone Looking For A F5 Toroid?
- A blast from the past .. PAPA1
- Zen9-like Preamp for Power Followers
- New caps for my SL-10: which one?
- f5 power up issue
- grounding issue with F1
- IRFP9240 Fairchild where to buy it?
- Boiled Water Buffer
- sic NPN (SAND) upgrade for D1B1??
- Pass Labs B4 crossover questions
- 400A Overheat ??
- strange behaviuor of F5
- Case for a PASS amp
- Nakamichi PA-7 and PA-5 amps
- Forte Model 1 needs new toroid transformer I think...
- 10 uf Aeon cap availability for B-1?
- output impedance of Pearl ?
- Use Mercury-vapored Lamps for Zen-Enlightment?
- Building the "CodeNelson" Power Amp
- Mica Insulators for Toshiba 2SJ201 & 2SK1530?
- Trojan warnings?
- looking for the PCB 22kw amp
- Difference in B1's
- This is some FET !!!
- an absolutelly pass labs off topic
- Toshiba 2sk174BL at Mouser
- B1 and impedance matching?
- Class A mosfet idle issue
- X2_Preamp quetion
- UGS preamp for sale?!
- It works and doesn't Hum!
- Dynamic Bias - Active Bias - Automatic/Self biased - Overview wanted
- J-JLH or PLH-J ?
- Swapping Threshold S & SA frontboards.
- B1 question
- Fairchild Amplifier A00-6
- Spare faceplate for S/500 ?
- Help needed
- Which resistors to use???
- b 1 buffer
- VU-meter for BOSOZ
- F3 vs. ZV9 - the differences...
- question on very high input impedance for B1
- WTB : Power Supply Board for ONO Phono preamp Clone (From Group Buy)
- Threshold S 300/II Main Caps Replace
- Dealing with Schuro.de
- Threshold FET ONE Series II aka FET1 MKII
- Subwoofer to Aleph-X
- No Feedback amp for Fountek NEO CD3 ?
- Tiny Vifa tweeter question
- 110 to 220volt conversion?
- Bias adjusting on Threshold SA4/e
- So, this is my Quad ZV9!
- Dear Dr. Nelson Pass
- Pass Aleph P 1.7 help
- passlabs B1 buffer and buffalo 2 dac
- SPICE model for Lovoltech LD1107N
- Aleph 30 PCBs FS?
- Best Power Supply for Pass Labs Aleph (X)Ono
- To improve the sound of Nakamichi PA-5 ?
- amp recommendation
- Rail voltage
- Aleph 1
- F3 - Small humming noise, how to get rid of it
- Mini Aleph Power Supply
- Pass 250.5 oscillation?
- DIY pass amp for MJK OB
- Aleph 30 transformer hum
- 6-channel X250 build
- supermosfets!
- Thoughts for replacing the scarce 2SK389 in the pearl
- Which amp should I built for my 16 ohm speakers?
- Aleph 30 transistors
- Ultimate sounded ZEN (Var I) vs good sounded used Aleph 5
- New Amp "ULTRASYMMETRY" from Nelson Pass - still a Concept Amplifier?
- Is it possible to connect both XLR and RCA inputs at the same time into an Aleph 5
- 2Sj109's available on Ebay for 7.80 a pop.
- Another T-400a question (sorry)
- D1 with high transconductance FET?
- Datasheets for Lovoltech LD1107N
- BA-1 relay & power questions
- scaling down F4
- Source Followers and gain - ignorance requests instruction!
- XA100.5 Slew Rate
- Restoring a Threshold SL10
- Trouble Shooting an F1
- Aleph 3
- Upscaling Aleph-J SRPP tp 100W
- Looking for a X5!
- F5 meets Buzquito
- Fet Tutorial
- Building an Aleph 3. Should I bypass the feedback capacitor?
- Class A solid state single ended
- Aleph P v1.7 Muting Circuit
- Pass XA 100.5 with Premier Power Plant?
- Starting an F1 for the first time...
- F2,J2,F3,F5 amps and driver layout
- Threshold 400 help
- Aleph L with potentiometer
- Blown Transformer?
- Aleph Current Source Mod
- Repairing My Penultimate Zen V4
- F2 amp and psu pcb?
- foil inducers
- First Watt M2
- The ultimate Inrush Current Limiter Solution for large Toroidal Transformers
- Buffer Preamp with Shunt PS
- First Watt F5 vs Aleph 5
- Fortè model 3 schematic
- A bjt Bride of Zen
- 2SJ109 and 2SJ74 in GR version???
- B1 PSSR Question and idea
- Snow De-Lite
- F2 Set Up
- FYI: Toshiba 2SK1529/2SJ200 reached EOL
- Threshold SA and Pass X series
- Nakamichi PA7II Blowing output transistors.
- SuSy Circlotron - jFET input Buffer + OPA1632 + 2SK135
- Fet-10 HE transformer secondaries
- Chokes for SE class A
- Semisouth SiC JFETs: SJEP120R100 or SJEP170R550 better for building amp?
- F2 internal wiring
- Citation 12 Schematic
- Pass D1 ???C40 and C55???
- Problem with threshol t-100
- What are, and what to do with, these NOS/used caps?
- semisouth for bosoz?!?
- Aleph 30 Power Supply
- Testing a Mosfet
- Threshold amps DC Protected
- Forte model 2: worth to change caps?
- Pass DIYers
- signal ground on X.5 amplifiers
- THRESHOLD CAS-2 poweramp.
- Troubleshooting a Pearl phono, anyone up for it?
- a question of speaker for ampli xa160.5
- a question of speaker for ampli xa160.5
- a question of speaker for ampli xa160.5
- Preamlifier for Aleph 3
- Why does a terminstor reduce transformer buzz?
- The biggest AudioGallery of the Word-www_exoticaudio_org- mooved. Who knows new URL?
- Solid State Replacement of Ribbon Transformer?
- How to get less hiss/noise from x cs ccs BOSOZ
- Matched mosfet (IRFP240)
- Recommended first Pass Labs clone build
- Zen v4 variable current source adjustment
- Why FET amplifiers?
- Which mosfet is best???
- First Watt F2 J-fet
- negative effects of high frequency filtration?
- What logo shall i use on my Perl build?
- adcom gfa545
- New Pass labs xa.8 E (e stands for extreem)
- Building mini-A (BrianGT boards), IRFP240 backordered, can I use IRFP140?
- Phono sction: threshold Vs forte audio
- F1 questions
- Threshold SA40s
- Balanced B1 Buffer
- A Zen Phase Splitter??
- Switching a Threshold Fet Nine/Ten from 110v to 220v
- Top of the Line Chassis for Aleph 1.2
- Enlarge hole in IRF240?
- possible resistor values for a Nakamichi SR-2 receiver
- Whitch is better
- Which the best Aleph power amp?
- Novel Control for B1 (input and level)
- Mr Pass, anything from the CES?
- Chassis for Aleph 5 Clone
- Resistor for Amp output testing
- External trigger standby
- Threshold SA/ and SA/e series monoblocks
- Heatsink Design like NIRO and wanted for ZEN/Firstwatt SE projects - where to order?
- F5 Output Connection Question
- Threshold T 100 schematic and service manual?
- Aleph P caps replace - keep 1000uF 100V?
- Simple cirklotron with Lateral MOSFETs
- Hashimoto's New Current Mirror - Sanyo's patent present prompt on Christmas Eve 2009
- TVC vs. Stepped Attenuator
- Aleph 5 bias diferential
- Has the XVR1 been discontinued?
- B1 Buffer: discrete vs. integrated approach?
- To Anodize or Not...
- Newborn F2 refuses mating, what's going on?
- Grounding Question
- F5 type amp but with higher power
- My,PASS ALEPH J and f4
- an Aleph maniac is back
- • FORTE Model 1 • INput impedance
- Aleph 5 CLC PS question....
- F4 DC offset drift performance question.
- Look at these heatsink diagrams for F2 please
- F5 SPICE Simulation??
- Fidelity of Son Of Zen (SOZ)?
- Aleph x one problem
- Cascode BOZ
- Threshold SA/4e and SA/2
- Aleph 1,5 ?
- aleph 2 help
- My new Pass amplifiers
- Does a singlerail PP need to be more complicated?
- True supersymetric 2 stage PLH-amp???
- X250 DC Offset & Bias Question
- cl60 equivalent
- LM317 in Alpeh amp
- F2 PSU with 2 EI transformers?
- Selector Switch for BOZ
- ZEN parts needed
- Throwing away open loop gain with an opamp near or at unity gain
- xp20 year oct 08/xp20 year 2009
- Aleph J in bad shape
- Aleph 4 TR problem
- What about unsymmetrical clipping?
- Pearl Two
- Advice
- Building the F2 - teach the newbie please! (one question at a time)
- Why high voltage Fets when low voltage types gives less distortion?
- Pass XP 20
- Burning amp (unintentionally!)
- Threshold S-200
- If you were to guess what I killed on a F5 when the output shorted?