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DIY Audio Projects Forum • Pavel Macura's Dispre 2 Jfet ...
https://diyaudioprojects.com/Forum/viewtopic.php?t=2862#:~:text=%20%20%20%20Author%20%20%20,%20%20%20Top%20%20%20%20
DIY Audio Projects Forum • Pavel Macura's Dispre 2 Jfet ...
https://diyaudioprojects.com/Forum/viewtopic.php?t=2862
It is very versatile and can drive 32 Ohm headphones ! The designer is Pavel Macura and he makes a living off these boards, so no schematics will be shown. Dispre 2 jfet website can be found here. Some specs of the buffer : Output voltage max. 26 Vp-p / 600 ohm (9.19 V ef) Load impedance - can drive 32 ohm headphones.
DISPRE 2 V3 - diyaudio.com
https://www.diyaudio.com/community/attachments/doc_v3_en-pdf.228313/
some of the Dispre 2 previously produced. Parts R21, R25, C17, C18 (buffer stopper) and R64, R65 (VAS load) were added. The PCB was modified. Circuit description Drawing dispre2 rev. V3 shows circuit diagram of the preamp. Let us speak about left channel only. X1 terminal block is an input of audio signal. Then we have P1 or R1 potentiometer.
Dispre 2 V3 Bill of materials Item Type Value Qty. Parts ...
https://www.diyaudio.com/community/attachments/dispre2_v3_bom_en-pdf.228309/
All Pictures, Schematics, Databases, Manuals are covered by legal copyright. 1 Pavel Macura Dispre 2 V3 Bill of materials 21 Resistor 2k2 4 R13,R9,R49,R51 metal 0.6W 1%, RM10
Dispre II complementary-symmetrical preamplifier
http://pmacura.cz/dispre2_en.htm
The Dispre II V3 project was terminated in April 2009, PCBs are no longer available. Power supply. Especially for the Dispre II, a new power supply was designed. Hereby the datasheet. Dispre SNR with the new power supply, measured at -80dBVrms. Home . Pavel Macura 6/2008, last modification May 16, 2009 ...
Dispre 2 - JFET english - Pavel Macura
http://pmacura.cz/dispre2-jfet_en.htm
Dispre 2 - JFET. Input JFETs are Toshiba parts with Idss range 4 - 9mA. The JFETs are selected and matched for Idss tolerance +/-0.2mA. Output stage idle current is set at 40mA, and it works in a class A up to 8V into 100 ohm load. For standard link load 600 ohm and higher, the output stage works in a class A for the whole range of output ...
DIY Audio Projects Forum • Pavel Macura's Dispre 2 Jfet ...
https://diyaudioprojects.com/Forum/viewtopic.php?t=2862&start=10
Pavel Macura's Dispre 2 Jfet preamp/headphone driver. Page 2 of 2 [ 20 posts ] Go to page ... The Dispre 2 jfet is all completed and playing on my main system. I have yet to drill holes in the alu case and mount the PCB's in. Power amp is a Rod Elliot P3A with Cambridge Audio Azur 550C CD player as source. Speakers are my 8'' 2 way MTM ...
List Of Diy Headphone Amps | Headphone Reviews and ...
https://www.head-fi.org/articles/list-of-diy-headphone-amps.13513/
Pavel Macura Audio Dispre 2 - JFET Sjöström Audio QRV01 through QRV09 Twisted Pear Audio Ventus "The Wire" Hybrid Aikido 24V line-stage/headphone amplifier Cavalli Audio Compact Tube Hybrid (CTH) (Group Buy @ Head-Fi) Cavalli Audio Single Opamp Headphone Amplifier II (SOHA II) Cavalli Audio Embedded Hybrid Headphone Amplifier & …
List of DIY headphone amplifiers | Headphone Reviews and ...
https://www.head-fi.org/threads/list-of-diy-headphone-amplifiers.537398/
Pavel Macura Audio Dispre 2 - JFET Sjöström Audio QRV01 through QRV08 Twisted Pear Audio Ventus "The Wire" (info & Group Buy @ DIY Audio) Hybrid Aikido 24V line-stage/headphone amplifier Cavalli Audio Compact Tube Hybrid (CTH) (Group Buy @ Head-Fi) Cavalli Audio Single Opamp Headphone Amplifier II (SOHA II)
PRE4 vs Dispre II JFET Hammond 1455 - HeadAudio ...
http://headaudio.weebly.com/clanky/pre4-vs-dispre-ii-jfet-hammond-1445
Pavel Macura na svojich strankach pise: Předzesilovač PRE4 byl vyvinut na základě velmi pozitivních zkušeností s typem Dispre 2-JFET. Hlavním důvodem pro vývoj nového typu byl celosvětový nedostatek tranzsitorů P-JFET fy Toshiba typu 2SJ74BL, které jsou jako jedny z mála vhodné do vstupních obvodů předzesilovačů.
Pavel Macura - European Technical Manager - HAI Advanced ...
https://cz.linkedin.com/in/pavel-macura-6377834
Zobrazte si profil uživatele Pavel Macura na LinkedIn, největší profesní komunitě na světě. Pavel má na svém profilu 2 pracovní příležitosti. Zobrazte si úplný profil na LinkedIn a objevte spojení uživatele Pavel a pracovní příležitosti v podobných společnostech.
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