Audio Project Amplifier Speaker Loudspeaker Kit
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Pass Labs - Showing threads 401 to 600 of 5297 available
Any PL news or pictures from CES 2008?01-09-2008 10:41 PM - 36 replies
Lovoltech website01-08-2008 12:43 PM - 52 replies
New preamp01-08-2008 12:48 AM - 63 replies
Mini-A with no negaive feedback?01-07-2008 09:55 PM - 41 replies
400a with hot emitter resistor01-06-2008 07:15 AM - 3 replies
FYI: Nelson Pass Interview posted at Stereophile01-05-2008 02:12 AM - 10 replies
Aleph30 higher bias01-03-2008 10:53 PM - 10 replies
Replacement of tha WonderCaps in a Threshold FET/1001-03-2008 06:11 PM - 23 replies
MTP2P50E (subsitute for IRF9610)01-03-2008 01:02 AM - 2 replies
preamplifier Pass X2.0/101-02-2008 02:30 PM - 112 replies
Where to have a few PCB's made theese days?01-01-2008 07:34 PM - 14 replies
Need some help to simulate Aleph 512-31-2007 09:30 PM - 7 replies
F1 in northern New England12-31-2007 05:42 PM - 21 replies
Threshold 400a power switch12-30-2007 10:34 PM - 3 replies
hum issue with Aleph P1.712-28-2007 02:42 PM - 9 replies
A4012-27-2007 03:44 PM - 14 replies
Half-Nelson Amp12-24-2007 04:21 AM - 10 replies
recapping Threshold SL-1012-24-2007 01:16 AM - 2 replies
Original Aleph 3 can be bridged into mono amp?12-23-2007 11:44 AM - 9 replies
Bridge Aleph 3012-22-2007 09:54 AM - 1 reply
Can ZV9 get by with a passive pre??12-21-2007 10:50 PM - 9 replies
a75 75volt rails?12-21-2007 04:22 PM - 12 replies
Passlabs D1 with DC servo ?12-21-2007 12:08 PM - 9 replies
D1 I/V stage ,Cascode Question12-20-2007 03:45 PM - 1 reply
i know many times....output potentiometer12-18-2007 09:06 PM - 13 replies
Discrete Super Symmetric(I think) Opamp for I/V Etc...12-18-2007 04:56 PM - 37 replies
Holly Days time12-16-2007 07:59 PM - 3 replies
JfetBOZ mods12-15-2007 09:10 PM - 315 replies
Threshold FET/10 He Service Manual12-15-2007 08:43 PM - 7 replies
is a f3 enough to power seas 7" excel?12-15-2007 03:25 AM - 1 reply
ALEPH P 1.7 is UP12-14-2007 02:42 PM - 15 replies
Buy matched mosfets?12-14-2007 03:16 AM - 7 replies
Grounding the Aleph 212-13-2007 08:03 AM - 3 replies
zero Feedback, Zero cap, Fully Differential Preamp12-13-2007 01:20 AM - 4 replies
Class Mosfet power amplifier circuit12-12-2007 05:03 PM - 16 replies
Affordable best caps for aleph 5 - PSU -12-11-2007 03:53 PM - 15 replies
searchnig for schematic Threshold Fet one12-11-2007 02:04 PM - 1 reply
Sub for NTE128P for ZTX450 Aleph 3012-11-2007 04:09 AM - 4 replies
Zen transformer rating!!12-10-2007 03:35 PM - 13 replies
100 Watt Volksamp 60 ?12-09-2007 02:22 PM - 8 replies
Help with AX100 dc offset-Grey-GL-NP are you out there12-08-2007 03:25 PM - 7 replies
Zen V4 smoke....12-06-2007 09:26 PM - 8 replies
Zen headphone amp problem12-05-2007 08:15 PM - 25 replies
threshold TA-300???12-05-2007 07:48 PM - 0 replies
sa-3.9e & sa-6e monos12-04-2007 01:17 AM - 6 replies
Jfet/Mosfet cascode with OPT12-02-2007 09:11 PM - 10 replies
aleph30 dc offset12-01-2007 03:34 PM - 45 replies
Help! Strong hum from transformer12-01-2007 12:06 AM - 35 replies
BOSOZ help11-30-2007 09:26 PM - 9 replies
External powersupply for Aleph X11-30-2007 01:30 PM - 4 replies
7 amp aleph11-30-2007 05:55 AM - 45 replies
OK To Leave X600.5 On Continuously?11-30-2007 01:31 AM - 22 replies
Threshold PCX Crossover Info wanted..11-28-2007 11:23 PM - 13 replies
MOS-FETS exclusively, input to output, why Nelson?11-28-2007 07:39 AM - 10 replies
F1 Amplifier circuit clarification..11-27-2007 03:54 PM - 4 replies
The AX of a handyman french11-27-2007 12:18 PM - 14 replies
Pass X250.5 Voltage Change Confusion11-27-2007 10:11 AM - 7 replies
Untouched 400A With Channel Blown --Easy Fix?11-24-2007 12:49 AM - 15 replies
thump on speaker...how to avoid it?11-22-2007 08:59 AM - 4 replies
Threshold S/20011-22-2007 01:09 AM - 0 replies
BoSoZ has developed a hum after 4 years...11-19-2007 03:57 AM - 12 replies
Ono/ Xono Output coupling Caps11-19-2007 02:00 AM - 35 replies
Hi Nelson; Notch Filter for Moths?11-16-2007 10:11 PM - 0 replies
ATC SCM7 . . . with Papa's diy amp?11-15-2007 03:43 PM - 155 replies
First Watt F1 Pcb11-15-2007 01:51 PM - 5 replies
questions about aleph 311-15-2007 08:31 AM - 12 replies
A75 front-end unwanted output signal11-14-2007 05:01 AM - 1 reply
Bride of Zen using ECC8311-13-2007 01:42 PM - 15 replies
Error in Aleph 3 schematic ?11-13-2007 12:48 PM - 3 replies
PCB help Aleph P11-07-2007 09:22 PM - 8 replies
Aleph 5 mods11-05-2007 12:37 PM - 4 replies
New Pass preamps11-04-2007 03:14 PM - 2 replies
Aleph J Schematic11-02-2007 09:11 PM - 498 replies
Aleph 2 Current devices: which voltage?11-02-2007 09:03 PM - 7 replies
which one11-02-2007 12:38 PM - 22 replies
Little help needed on Aleph P1.711-01-2007 07:26 PM - 2 replies
F610-31-2007 05:05 PM - 7 replies
i need help for making an 1800 watt amplifier10-31-2007 07:03 AM - 5 replies
Looking for updated A40 schematic.10-30-2007 05:05 PM - 3 replies
"Circumcising" the F310-30-2007 01:27 PM - 49 replies
time mark generator and Tektronix 475A Service-Calibration10-30-2007 10:22 AM - 13 replies
Help me get a taste of Pass diy10-30-2007 02:49 AM - 33 replies
400A or Stasis 3?10-29-2007 04:12 PM - 6 replies
first attempt at the NP I/V stage10-29-2007 12:10 AM - 6 replies
Mounting power transistors10-27-2007 09:46 PM - 6 replies
testing a single ended or differential topology10-26-2007 10:43 AM - 11 replies
How much current to drive output MOSFETs?10-25-2007 02:21 PM - 17 replies
Lot of help please10-24-2007 09:48 PM - 2 replies
Aleph X as headphone amplifier10-24-2007 07:55 PM - 3 replies
Pass Labs Coffee Mugs on ebay10-24-2007 06:12 PM - 19 replies
First Watt + transformerless ribbon speaks10-24-2007 04:34 AM - 3 replies
Pumpkin preamp - More Boring Making Thread10-20-2007 06:29 PM - 505 replies
Pumpkin preamp - ordered by Steen , official making thread10-20-2007 06:29 PM - 2432 replies
Burning Amp 0710-20-2007 05:26 PM - 43 replies
Ono PSU10-19-2007 01:33 PM - 1 reply
OTL SET 300B drives F4?????10-18-2007 06:17 PM - 3 replies
D1 Volume adjustments10-17-2007 06:21 PM - 11 replies
Yet Another Ono Thread10-17-2007 02:46 AM - 21 replies
F3 anyone?10-16-2007 08:45 PM - 5 replies
2SK389/2SJ109 group buy10-16-2007 01:43 PM - 1 reply
Help! problems with aleph3010-15-2007 01:19 PM - 4 replies
distortiometer Sound Analyzer 1700B10-15-2007 07:11 AM - 0 replies
Will F4 have enough power in this system?10-15-2007 04:19 AM - 11 replies
aleph-p and tube10-14-2007 12:38 AM - 0 replies
differencial operation question10-12-2007 02:23 PM - 31 replies
let's build our instruments on our own10-11-2007 09:07 PM - 1 reply
DC-Offset from Preamp10-11-2007 05:53 AM - 0 replies
New Pass Integrated? Nelson holding out on us?10-10-2007 06:57 PM - 50 replies
D1 Offset Questions10-10-2007 04:53 PM - 7 replies
A PC Based Sound Analyzer10-10-2007 10:44 AM - 19 replies
Rmaf 0710-09-2007 01:13 AM - 180 replies
Threshold Fet nine VS ten10-08-2007 11:52 AM - 16 replies
problem with R44 on Aleph P 1.710-08-2007 07:08 AM - 15 replies
A75 and adcom gfa-540010-06-2007 02:56 PM - 62 replies
Need Lovoltech LU1014D & F3 Audio Board10-06-2007 12:25 PM - 0 replies
Mounting screw terminal capacitors to chassis10-06-2007 10:04 AM - 1 reply
Pass X150 power down Thump solution = Jensen Isomax (RCA to XLR converter)??10-06-2007 06:45 AM - 3 replies
negative output zens to subamp10-05-2007 04:19 PM - 1 reply
F3 jfets needed10-05-2007 01:11 AM - 4 replies
PLH output capacitor rating10-04-2007 03:54 PM - 1 reply
Has the Pass Labs patent for Aleph 5 expired?10-04-2007 06:03 AM - 15 replies
Problems with Aleph P1.7 Power Supply10-03-2007 06:34 AM - 4 replies
Aleph 1.7 Equipment10-02-2007 11:13 PM - 6 replies
X150 produces a "Pop" during power down10-02-2007 10:01 PM - 5 replies
Oscilloscope-distortion analyze- FFT10-02-2007 09:30 AM - 13 replies
First Watt F4?10-02-2007 01:42 AM - 1 reply
How to minimize 150W amp to 25W10-02-2007 01:42 AM - 1 reply
Supply voltage10-01-2007 10:59 PM - 2 replies
Class AB Super Symetry use Bipolar transistor10-01-2007 03:08 PM - 9 replies
About a Nelson Pass phase coherent crossover10-01-2007 07:24 AM - 4 replies
Distortion and hum with Pearl09-29-2007 11:36 PM - 45 replies
PASS like irf voltage-regulator09-29-2007 07:15 AM - 10 replies
Need help on x-bosoz09-29-2007 03:21 AM - 2 replies
Aleph P pre09-28-2007 11:34 AM - 4 replies
Aleph 30 power supply09-28-2007 11:09 AM - 2 replies
KA30se "KRYPTON" SE class A amplifier09-26-2007 05:23 PM - 26 replies
Aleph P 1.7 questions09-26-2007 03:03 PM - 2 replies
"MY" Aleph-X finished09-26-2007 10:31 AM - 23 replies
My complete bzls09-26-2007 08:29 AM - 3 replies
Nakamichi CA-5-E09-26-2007 07:56 AM - 3 replies
X250.5 with CJ Preamps09-24-2007 09:39 PM - 3 replies
Pass D1 analog stage09-22-2007 05:50 PM - 3 replies
Citation 12 Deluxe Repairs09-22-2007 03:20 PM - 2 replies
Commercial Aleph J Question09-20-2007 03:28 PM - 2 replies
Aleph AX and CCS09-19-2007 01:05 PM - 3 replies
Enough heatsink?09-18-2007 08:11 PM - 4 replies
UGS Power : it's U.P.09-18-2007 10:03 AM - 63 replies
Inductor Loading Adventures09-16-2007 07:26 PM - 132 replies
? on power supply X0.2, XVR-1, Xono09-16-2007 03:33 PM - 2 replies
Jfet Cascoded BOZ09-16-2007 11:29 AM - 26 replies
BOSOZ Hum Problem09-15-2007 05:27 PM - 12 replies
BOSOZ Connections09-13-2007 03:35 PM - 4 replies
new sozlight "dark"09-11-2007 12:23 AM - 7 replies
Few Really Quick Pass Amp Questions09-10-2007 08:59 PM - 30 replies
Pass X 0.2 compared to X.1?09-10-2007 06:40 PM - 7 replies
Best PSU voltage for Aleph 5 ?09-09-2007 05:49 PM - 4 replies
Recommend amp project for Vandersteens09-08-2007 04:47 PM - 14 replies
balanced source to unbalanced amp?09-04-2007 07:39 PM - 33 replies
Aleph AC current gain made easy09-03-2007 11:36 PM - 8 replies
Mini Aleph Questions09-02-2007 11:24 PM - 6 replies
CSXCCSwhatever BOSOZ by Igor09-02-2007 08:17 PM - 28 replies
Class A does sound better!08-29-2007 08:26 AM - 42 replies
X150 amplifier compatibility08-28-2007 01:49 PM - 8 replies
My Zen-Light08-27-2007 05:01 PM - 6 replies
Threshold SL10 modified08-24-2007 07:23 PM - 10 replies
X.5 series could be improved?08-23-2007 09:14 PM - 9 replies
Citation 12 Questions08-23-2007 03:42 PM - 23 replies
F1 + which NP preamp?08-21-2007 07:23 PM - 4 replies
F3 - LED behaviour08-21-2007 09:28 AM - 2 replies
Pass Labs X5 for a multi-channel Thiel speakers setting?08-18-2007 06:37 PM - 5 replies
Question on X250.5 and X350.508-18-2007 06:37 PM - 6 replies
Buying parts for DIY Aleph 508-17-2007 03:47 PM - 3 replies
diy PASS amp....?08-17-2007 01:08 PM - 14 replies
Switches on Aleph Ono with Grado08-16-2007 06:32 PM - 21 replies
BOSOZ nearing completion/Aleph 5 just beginning.08-15-2007 02:17 AM - 5 replies
a thread on Transformer quality08-14-2007 01:04 PM - 53 replies
New Projects Questions08-14-2007 07:24 AM - 16 replies
LTSPICE IRF820 model08-11-2007 01:54 PM - 2 replies
How to deal with Lead free Power Fets.08-10-2007 11:51 PM - 2 replies
aleph 1.208-08-2007 03:03 PM - 8 replies
Pearl phono with 24V battery supply08-08-2007 01:21 PM - 1 reply
Q:Power Supplies for all Zen Variations?08-08-2007 06:05 AM - 10 replies
ZV9 boards and preamp08-07-2007 02:26 AM - 7 replies
Q: Zen-lite with -30~+30 voltage rail?08-07-2007 01:41 AM - 2 replies
First Watt F3 clone builder experiences08-06-2007 03:41 PM - 4 replies
Forte 1a buzzing/humming fixed?08-04-2007 08:18 PM - 3 replies
Is high frequency rising-up OK?08-04-2007 11:54 AM - 3 replies
LT1083 PS-regulator for class A amps08-04-2007 08:28 AM - 26 replies
Want to build PLH? but cannot find IRF244.08-02-2007 03:21 AM - 2 replies
Newbie Here Tubes vs SS Question08-01-2007 10:17 PM - 6 replies
Heatsink source08-01-2007 02:32 PM - 19 replies
BOSOZ Problem07-30-2007 02:03 PM - 52 replies
Need some Pearl help - no sound!07-30-2007 02:01 AM - 15 replies
Extraneous Grounding Question for Aleph's07-29-2007 10:17 PM - 1 reply
PA5 Schematics and help anyone?07-28-2007 03:17 AM - 3 replies
passive biamping any worth?07-25-2007 01:24 PM - 14 replies
Smoking HOT X-BoSoZ HELP!07-24-2007 05:28 AM - 96 replies
Very quick Aleph 5 Questions07-23-2007 02:41 PM - 1 reply
Aleph 3 Bible07-23-2007 01:55 AM - 24 replies
want to build: F2 car amplifier07-22-2007 04:23 AM - 3 replies

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