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Old 25th September 2009, 08:40 AM   #1
diyAudio Member
Join Date: Aug 2005
Default B1 Passive Preamp to SELL!


My recently finished B1 Passive Preamplifier, based upon the PCB sold by Pass Labs, and with some nice goodies inside:

-Fully aluminum body, painted in black powder finish.
- Solid aluminum knobs, front plate, and black plate with all imprints.
- CMC silver RCA plugs, Neutrik 32A mains plug (the best).
- Gold plated Bulgin fuse holder.
- All signal internal cabling is Mundorf M-Wire, 99% silver + 1% gold + HGC
monofilament pure silver wire covered in pure Teflon sleeve.
- All power cabling from Nordost.
- Input selector from ELMA.
- Volume control based on a Shalco type 41 positions selector, with military
SMD low noise resistors - 10K linear type.
- Input resistors Caddock TF020 + Caddock MP130 in other positions. Some
PRP, and one MILLS power resistor.
- Signal Caps are V-CAP (the best).
- Filtering caps are Nichicon MUSE gold (> 25.000uF).
- Power transformer is 50VA! R-Core.
- Power Supply based on a discrete Mosfet regulated design, with MUR820

The sound? simply Beaaaaautiful.

Why? DIY bug allways thinking of the next project.

Selling almost for the cost price: 1.500 (includes free shipping to EC), International please ask for a quotation. Don't forget this is made for 240VAC mains, nevertheless easly adaptable for other countries in a good electronics shop.

Includes a Supra LoRad mains cable with Neutrik type IEC 32A plug, and Supra Schuko gold plated mains plug.

Mail me on: rui.lourenco@fortislease.com
Attached Images
File Type: jpg B1_039.jpg (41.5 KB, 425 views)
File Type: jpg B1_040.jpg (36.0 KB, 409 views)
File Type: jpg B1_045.jpg (35.6 KB, 401 views)
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Old 2nd October 2009, 03:41 PM   #2
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Join Date: Aug 2005
Default My B1 is up for sale

You can mail me at rui.lourenco@fortislease.com

The price is 1.650 plus shippment.
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Old 3rd October 2009, 08:01 AM   #3
Luke is offline Luke  New Zealand
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is that one thousand six hundred and fifty?
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Old 3rd October 2009, 09:15 AM   #4
Jaac is offline Jaac  Netherlands
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Location: Laren NH
That's a lot of money for something you can build yourself for less then a tenth of the asking price ! Maybe it is a good thing to put some pictures on the web to show your B1
The right tool for the right job, a very nice Solarboat || Ready for a groupbuy ? CLick

Last edited by Jaac; 3rd October 2009 at 09:18 AM.
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Old 3rd October 2009, 02:00 PM   #5
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That´s correct!
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Old 3rd October 2009, 02:05 PM   #6
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Yes you can build it even for less, but please check page 181 of that preamp thread, and the photos, and then tell me. A tenth would be 165€, that alone is the start proce for a mono version of the Shalco type volume control, and then...well, V-Caps and other goodies...maybe the price isn't so wrong.

Cheers and happy building.

PS - Its up to each other to buy or not whatever we find suitable for our needs or pocket size. I invite you to build one just like that for the price I'm asking...
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Old 3rd October 2009, 02:49 PM   #7
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Originally Posted by rclourenco View Post
I invite you to build one just like that for the price I'm asking...
which price? 1650 or 1500?
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Old 3rd October 2009, 03:23 PM   #8
Face is offline Face  United States
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Originally Posted by giantstairs View Post
which price? 1650 or 1500?
Good catch.
"He who fights with monsters should look to it that he himself does not become a monster. And when you gaze long into an abyss the abyss also gazes into you." Friedrich Nietzsche
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Old 3rd October 2009, 03:45 PM   #9
Netlist is offline Netlist  Belgium
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I've merged the threads for convenience.
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Old 10th October 2009, 08:52 AM   #10
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NEW FINAL PRICE 1.000 + Shipping.

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