The Tube CAD Journal, Electrostatic Headphones Amps -Part 2-pg = 7

From: "Saved by Internet Explorer 11" Subject: The Tube CAD Journal, Electrostatic Headphones Amps -Part 2-pg 7 Date: Wed, 8 Apr 2015 09:55:57 -0700 MIME-Version: 1.0 Content-Type: multipart/related; type="text/html"; boundary="----=_NextPart_000_006F_01D071E2.361A3860" X-MimeOLE: Produced By Microsoft MimeOLE V6.1.7601.17609 This is a multi-part message in MIME format. ------=_NextPart_000_006F_01D071E2.361A3860 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Content-Location: http://www.tubecad.com/Classic_Articles/page8.html =20 =20 =20 =20 =20 The Tube CAD Journal, Electrostatic Headphones Amps -Part 2-pg = 7=20 =20 =20

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	scratch and music is diminished, and the two = assume much=20 more pleasant proportions. The authors believe = that for=20 sheer listening pleasure thee ultra-linear amplifier = represents the=20 best that can be achieved at the present state of the art. = Others=20 who have had an opportunity to hear and try the circuit = agree with=20 this; and these beliefs will not be shaken until something = comes=20 along which sounds better, or at least sounds as good and = can be=20 built for lower cost.


	PARTS LIST C1 C2, C3, C4, C5 C7 C7 C8, = C, C11 R1,=20 R6, R8, R9 R2, R3, R15, R16 R4, = R5 R7 R10 R11,=20 R12 R13, = R14 R17 R18 R19 R20 VI V2 V3,=20 V4 V5 =20


	500 =B5f, 6 v. electrolytic 0.2 =B5f, 600 = v.=20 paper 100 =B5f, 50 v. electrolytic 120 =B5=B5f, = mica 20-20 p1,=20 450 v. electrolytic 40-40 p1, 450 v. electrolytic 0.47 = meg, =BC=20 watt 200 ohms, 1/2 watt 1000 ohms, =BC watt 0.1 = meg, 1 watt,=20 5% 0.16 meg, 1/2 watt 560 ohms, 1/2 watt 47,000 = ohms, 2=20 watt, 5% 0.12 meg, =BC watt 350 ohms, 10 = watt 12.003 ohms, =BC=20 watt 22,000 ohms, 1 watt 2200 ohms. 2=20 watt 6SL7 6SN7 6L6 5V4


	T1 Acro TO-300=20 output trans- former. Primary: 6600 ohms plate to=20 plate, tapped for screen; secondary: 16, 8, and 4=20 ohms. T2 Power=20 transformer: 370-0-370 v. at 130 mA; 5 v. at 2 A; 6.3 = v. at 3=20 A. L1 Filter choke, 8 Hy at = 130=20 mA.


	pg.=20 7


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	www.tubecad.com Copyright =A9 2000 = GlassWare. All=20 Rights Reserved


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