Linear Tube Audio Z10e User manual

Z10e%Electrostatic%Ampli2ier%User%Guide%
WARNING:!For$safety,$the$cover$of$this$ampli3ier$should$be$secured$at$all$times.$DC$
voltages$as$high$as$450V$and$peak$AC$voltages$as$high$as$800V$are$present$inside.$The$
service$information$contained$in$this$manual$is$intended$only$for$trained$service$
personnel.$
"#$!%&'$()!"*+$!,*-&.!/01$!23$45).65(5&4!,783&9&$)!&6!(!:*33!6&;$!('-!:*'45&.'<!high
quality, Class AB integrated #$(-8#.'$!('-!68$(=$)!(783&9&$)!utilizing ZOTL (Zero-
hysteresis Output Transformer-Less) technology. The amplifier can output to standard
580V bias electrostatic headphones, regular headphones, and speakers. "#$)$!()$!>!
&'8*56!?@!6&'A3$!$'-$-!BC,6!('-!0!D%B!E(3('4$-F<!(!)$7.5$!4.'5).3!('-!:).'5!8('$3!
4.'5).36<!('-!(!:).'5!8('$3!-&77(+3$!%2G!-&683(HI!!!
 %
Front%Panel%Controls:%"#$!/01$!*5&3&;$6!:).'5!8('$3!6J&54#!4.'5).36!('-!(!)$7.5$!
4.'5).3I!!!"#$!7$'*!:*'45&.'6!4('!+$!(44$66$-!:).7!5#$!:).'5!8('$3!6J&54#$6!.)!+H!
*6&'A!5#$!)$7.5$!4.'5).3I!!"#$!8.J$)!.'K.::!('-!&'8*5!6$3$45&.'!4('!.'3H!+$!
8$):.)7$-!+H!*6&'A!5#$!:).'5!8('$3!6J&54#$6I!
Power%button:!"#$!(783&9&$)!&6!9&)65!8.J$)$-!.'!+H!5#$!L.J$)!6J&54#!.'!5#$!)$()!.:!
5#$!*'&5I!"*)'&'A!5#$!)$()!8.J$)!6J&54#!(45&M(5$6!5#$!8.J$)!6*883H!+*5!'.5!5#$!
(783&9&$)!4&)4*&5)HI!!"#$!*6$)!5#$'!(45&M(5$6!5#$!:).'5!8('$3!L.J$)!6J&54#!5.!8.J$)!
.'!5#$!(783&9&$)I!"#$)$!&6!(!>1!6$4.'-!J()7!*8!5&7$!:.)!5#$!5*+$6!('-!5#$!:).'5!
8('$3!-&683(H!J&33!-&683(H!(!7$66(A$!NJ()7&'A!*8O<!J#&4#!*8.'!4.783$5&.'<!-&683(H6!
5#$!4*))$'5!M.3*7$!6$55&'AI!
Volume%Control:!!"#$!M.3*7$!4('!+$!5*)'$-!*8!.)!-.J'!+H!5*)'&'A!5#$!(783&9&$)P6!
M.3*7$!='.+!43.4=J&6$!.)!4.*'5$)K43.4=J&6$!.)!8)$66&'A!5#$!*8!.)!-.J'!+*55.'!.'!
5#$!)$7.5$I!"#$)$!&6!(!43&4=&'A!6.*'-!J#$'!5#$!M.3*7$!&6!4#('A&'A!5#(5!4.7$6!:).7!

/01$!23$45).65(5&4!,783&9&$)!Q6$)!R*&-$!
5#$!)$3(H6!4.'5).33&'A!5#$!M.3*7$!3$M$3I!"#$)$!()$!SS!3$M$36!.:!M.3*7$I!T#$'$M$)!5#$!
M.3*7$!&6!4#('A$-<!5#$!M.3*7$!6$55&'A!&6!6(M$-I!2(4#!&'8*5!&'-$8$'-$'53H!6(M$6!5#$!
3(65!*6$-!M.3*7$!6$55&'AI!
Input%Control:!"#$!U'8*5!VJ&54#!&6!.'!5#$!:).'5!8('$3I!U5!6$3$456!.'$!.:!>!&'8*56I!!
T#$'!('!&'8*5!&6!6$3$45$-<!(!7$66(A$!U0!.)!U@!.)!U>!&6!93(6#$-!+)&$93H!.'!5#$!-&683(HI!
U'8*5!0!('-!@!()$!5#$!BC,!&'8*56!('-!U'8*5!>!&6!5#$!D%B!&'8*5I!!
Electrostatic%Headphone%Output%
"#$!$3$45).65(5&4!#$(-8#.'$!4.''$45.)!&6!(!W!8&'!V5(X!4.78(5&+3$!4.''$45.)!
8).M&-&'A!(!WY1M-4!+&(6I!U5!&6!(3J(H6!.'!('-!&6!'.5!4.'5).33$-!+H!5#$!Z$(-8#.'$[
V8$(=$)!6J&54#I!
Regular%Headphone%Output:%
"#$)$!()$!5J.!#$(-8#.'$!\(4=!5(=$6!(!65('-()-!]!&'4#!65$)$.!8#.'$!83*AI!!^'$!&6!
3&7&5$-!5.!(+.*5!0!J(55!('-!&6!3(+$3$-!N%.JO!('-!5#$!.5#$)!&6!(+.*5!>!J(556!('-!&6!
3(+$3$-!NZ&A#OI!"#$!)$A*3()!#$(-8#.'$!.*5!\(4=6!()$!4.'5).33$-!+H!5#$!Z$(-8#.'$[
V8$(=$)!6J&54#I!
Front%Panel%Menu%
"#$!:).'5!8('$3!7$'*!&6!(44$66$-!+H!6$3$45$-!+H!_$'*!+*55.'!.'!5#$!)$7.5$!4.'5).3I!!
"#$)$!()$!6$M$)(3!7$'*!:*'45&.'6I!"#$!7$'*!6$3$45&.'6!4('!+$!6$$'!+H!*6&'A!5#$!*8!
('-!-.J'!)$7.5$!+*55.'6I!T#$'!5#$!-$6&)$-!7$'*!:*'45&.'!&6!-&683(H$-<!*6$!5#$!
4$'5$)!+*55.'!.'!5#$!)$7.5$!5.!$'5$)!5#$!-$6&)$-!7$'*I!
Balance%Control:%"#$!M.3*7$!(55$'*(5.)!#(6!SS!65$86!:.)!$(4#!4#(''$3I!E(3('4$!&6!
(4#&$M$-!+H!4)$(5&'A!(!'*7$)&4(3!.::6$5!J#&4#!&6!(883&$-!5.!5#$!M.3*7$!65$86!
+$5J$$'!5#$!4#(''$36I!"#$!.::6$5!&6!65.)$-!&'!7$7.)H!6.!5#(5!5#$!(783&9&$)!4('!
(*5.7(5&4(33H!(883H!5#$!+(3('4$!.::6$5!J#$'!5#$!(783&9&$)!&6!'$X5!8.J$)$-!.'I!!
".!$'5$)!+(3('4$!7.-$<!8)$66!5#$!_$'*!+*55.'!.'!5#$!)$7.5$!4.'5).3I!L)$66!5#$!
)$7.5$!4.'5).3!4$'5$)!+*55.'!5.!$'5$)!E(3('4$I!!T#&3$!&'!+(3('4$!7.-$<!*6&'A!5#$!
)&A#5!('-!3$:5!)$7.5$!+*55.'6I!"#$!:).'5!8('$3!-&683(H!J&33!(--!(!+()!:.)!$(4#!+*55.'!
8)$66!5#(5!&'-&4(5$6!5#$!+(3('4$!&'4)$(6$!('-!4#(''$3!&'4)$(6$-I!^'3H!5J.!+()6!3&5!
&'-&4(5$6!5#$!+(3('4$!6$5!5.!;$).I!"#$!(783&9&$)!)$93$456!5#$!+(3('4$!4#('A$!(6!&5!&6!
6$5I!!T#$'!5#$!-$6&)$-!+(3('4$!3$M$3!&6!6$3$45$-<!8)$66!5#$!)$7.5$!4.'5).3!4$'5$)!
+*55.'!5.!6(M$!5#$!+(3('4$!6$55&'AI!,!7$66(A$!J&33!(88$()!.'!5#$!-&683(H!5.!&'-&4(5$!
J#&4#!6$55&'A!5#$!+(3('4$!#(6!+$$'!6$5!5.I!"#$!+(3('4$!6$55&'A!&6!6(M$-!(4).66!(33!
&'8*56!('-!J&33!+$!*5&3&;$-!*8.'!8.J$)!*8!5.!5#$!3(65!6(M$-!6$55&'AI!!"#$!7(X&7*7!
+(3('4$!6$55&'A!&6!0`!3$M$36!-&::$)$'4$I!
Display%Setting:!"#$)$!()$!0`!3$M$36!.:!+)&A#5'$66!5#$!a).'5!L('$3!G&683(H!4('!+$!6$5!
5.I!"#$!+)&A#5'$66!3$M$36!()$!6(M$-!('-!)$4(33$-!*8.'!8.J$)!.'I!V4).33!5#).*A#!5#$!
+)&A#5'$66!3$M$36!('-!8)$66!5#$!V$3$45!+*55.'!.)!5#$!)$7.5$!4$'5$)!+*55.'!5.!6$3$45!
5#$!-$6&)$-!+)&A#5'$66I!,!7$66(A$!6#.*3-!64).33!+H!4.'9&)7&'A!5#$!3$M$3!H.*!6$3$45$-I!
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/01$!23$45).65(5&4!,783&9&$)!Q6$)!R*&-$!
Home%Theater%Mode:!!Z.7$!"#$(5$)!7.-$!3.4=6!(!6$3$45$-!&'8*5!5.!(!9&X$-!M.3*7$!
3$M$3I!^'4$!6$5!5#$!M.3*7$!4.'5).3!&6!3.4=$-!:.)!5#(5!&'8*5I!"#$!$X8$45(5&.'!&6!5#$!
*6$)!J&33!4.''$45!5#$&)!#.7$!5#$(5$)!)$4$&M$)!5.!(-\*65!5#$!M.3*7$!3$M$3!('-!5.!
$X8$45!(!9&X$-!M.3*7$!3$M$3!:).7!5#$!/01$I!!2'5$)!5#$!_$'*!7.-$!(6!(+.M$<!64).33!
-.J'!*6&'A!5#$!*8!('-!-.J'!()).J!=$H6!5.!5#$!Z.7$!"#$(5$)!6$3$45&.'I!Q6$!5#$!
)$7.5$!4.'5).3!4$'5$)!+*55.'!5.!6$3$45!Z.7$!"#$(5$)!7.-$I!"#$'!6$3$45!5#$!&'8*5!
-$6&)$-!5.!#(M$!(!9&X$-!M.3*7$I!"#&6!6$55&'A!&6!6(M$-!('-!5#$!6$3$45$-!&'8*5!J&33!
#$'4$:.)5#!+$!3.4=$-!(5!5#(5!M.3*7$!3$M$3!*'5&3!5#$!Z.7$!"#$(5$)!7.-$!&6!)$7.M$-!
:).7!5#(5!&'8*5I!
Display%Timeout:!!"#$!G&683(H!('-!5#$!U'8*5!%2G6!4('!+$!6$5!5.!5*)'!.::!(:5$)!01!
6$4.'-6<!('-!5#$'!J&33!4.7$!+(4=!.'!&:!(!+*55.'!.'!5#$!)$7.5$!4.'5).3!&6!8)$66$-!.)!
5#$!M.3*7$!='.+!.)!:).'5!8('$3!6J&54#!&6!4#('A$-I!!"#$)$!()$!>!6$55&'A6c!
G&683(H!^'3H!K!J#$)$!5#$!G&683(H!5&7$6!.*5<!+*5!'.5!5#$!U'8*5!%2G6!
E.5#!K!J#$)$!+.5#!5#$!G&683(H!('-!U'8*5!%2G6!5&7$.*5<!.)!
d.'$!K!J#$)$!5#$!G&683(H!('-!U'8*5!%2G6!()$!(3J(H6!.'!
Reset%to%Default:!"#$!(783&9&$)!4.'5).36!()$!6$5!5.!E(3('4$!e!1<!G&683(H!"&7$.*5!e!
^::<!Z.7$!"#$(5$)!_.-$!e!d.'$<!('-!G&683(H!E)&A#5'$66!e!Y<!('-!B$7.5$!%$:5KB&A#5!
,)).J!+*55.'6!6$5!5.!d.5!,45&M$I!
Remote%Left-Right%Arrow%Buttons:%!"#$)$!()$!5J.!:*'45&.'6!5#(5!4('!+$!6$3$45$-!
:.)!5#$!%$:5KB&A#5!,)).J!+*55.'6!(6!:.33.J6c!
^::!f!5#$!)$7.5$!%$:5KB&A#5!()).J!+*55.'6!()$!-$(45&M(5$-I!L)$M$'56!
(44&-$'5(3!6$3$45&.'!
E(3('4$!f!5#$!)$7.5$!%$:5KB&A#5!()).J!+*55.'6!J&33!4.'5).3!5#$!+(3('4$!
Remote%Pairing:!"#$!*'&5!*6$6!5#$!,883$!"g!)$7.5$!4.77$)4&(33H!(M(&3(+3$!5#).*A#!
,883$!('-!5#$&)!-&65)&+*5&.'I!"#$!)$7.5$!6$'5!J&5#!5#$!*'&5!J&33!(3)$(-H!+$!8(&)$-!5.!
5#$!*'&5!('-!5#&6!:*'45&.'!-.$6!'.5!'$$-!5.!+$!8$):.)7$-I!U'!5#$!$M$'5!5#(5!5#$!*6$)!
J('56!5.!*6$!(!-&::$)$'5!,883$!"g!)$7.5$<!&5!4('!+$!8(&)$-!+H!#.3-&'A!-.J'!5#$!
)$7.5$!4.'5).3!L3(H!+*55.'!:.)!(88).X&7(5$3H!>1!6$4.'-6!*'5&3!(!7$66(A$!(88$()6!
.'!5#$!-&683(H!&'-&4(5&.'!5#$!)$7.5$!&6!'.J!8(&)$-!5.!5#$!(783&9&$)I!
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/01$!23$45).65(5&4!,783&9&$)!Q6$)!R*&-$!
Rear%Panel%Connections:%
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Power%In:!"#$!*'&5!.8$)(5$6!&'!+.5#!00Wg!`1#;!('-!@@1K@h1g!W1Z;<!+*5!#(6!5.!+$!
4.'9&A*)$-!(5!5#$!:(45.)HI!"#$!*'&5!6#.*3-!+$!J&)$-!:.)!H.*)!4.*'5)H!J#$'!H.*!
)$4$&M$!H.*)!*'&5!:).7!5#$!:(45.)HI!
Inputs:!"#$)$!()$!>!&'8*56!5.!5#$!/01$I!!"J.!()$!6&'A3$!$'-$-!BC,!65$)$.!8(&)6I!!^'$!
&6!(!5)*$!+(3('4$-!-*(3!D%B!65$)$.!8(&)I!!C.''$45!H.*)!G,C<!CG!83(H$)<!L#.'.!L)$(78!
.)!.5#$)!3&'$!3$M$3!-$M&4$!5.!5#$6$!&'8*56I!!
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Remote%buttons%and%functions:%
"#$)$!()$!5J.!7.-$6<!5#$!'.)7(3!.8$)(5&.'!7.-$!('-!5#$!_$'*!7.-$<!J#$'!
4.'9&A*)&'A!H.*)!*'&5!&'6&-$!5#$!_$'*!:*'45&.'6c!
"#$!+*55.'6!()$!(6!:.33.J6c!
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Up%and%Down%Buttons:!!"#$6$!'.)7(33H!:*'45&.'!(6!g.3*7$!Q8!('-!g.3*7$!G.J'I!
"#$H!4('!+$!#$3-!-.J'!.)!*6$-!&'!(!6&'A3$!65$8!7.-$I!U'!_$'*!7.-$<!5#$H!:*'45&.'!
5.!7.M$!*8!('-!-.J'!&'!5#$!7$'*!(6!-&683(H$-!.'!5#$!.8$)(5.)!-&683(HI!
Left%and%Right%Buttons:!!U'!5#$!'.)7(3!.8$)(5&.'!7.-$!5#$6$!-.!'.5!-.!('H5#&'AI!
"#$H!4('!+$!4.'9&A*)$-!&'!5#$!%$:5KB&A#5!B$7.5$!E*55.'!_$'*!5.!:*'45&.'!(6!5#$!
E(3('4$!4.'5).3I!!U'!5#$!_$'*!7.-$<!5#$!B&A#5!+*55.'!&6!V$3$45!('-!5#$!%$:5!+*55.'!&6!
E(4=I!
Center%Button:!"#&6!'.)7(33H!:*'45&.'6!(6!(!_*5$!:*'45&.'I!T#$'!5#$!*'&5!&6!7*5$-<!
5#$)$!()$!5J.!D6!.'!5#$!-&683(HI!!"#$!C$'5$)!+*55.'!&6!(!_*5$!5.AA3$I!!T#$'!&'!_$'*!
_.-$<!5#$!C$'5$)!+*55.'!:*'45&.'6!(6!(!V$3$45!+*55.'I!!!
Menu%Button:!T#$'!&'!'.)7(3!.8$)(5&.'<!6$3$456!5#$!_$'*!_.-$I!
Play/Pause%Button:%!T#$'!&'!'.)7(3!.8$)(5&.'!5#$!L3(H[L(*6$!+*55.'!5.AA3$6!
5#).*A#!5#$!U'8*56I!T#$'!&'!_$'*!7.-$<!&5!(36.!#(6!'.!:*'45&.'!(66&A'$-I!Z.3-&'A!
5#$!L3(H[L(*6$!+*55.'!:.)!>1!6$4.'-6!J&33!8(&)!(!'$J!,883$!)$7.5$!5.!5#$!*'&5<!+*5!
5#&6!&6!.'3H!-.'$!&'!5#$!$M$'5!.:!)$83(4&'A!5#$!)$7.5$I!
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/01$!23$45).65(5&4!,783&9&$)!Q6$)!R*&-$!
Tube%Complement:!!"#$!/01$!*5&3&;$6<!('-!&6!6#&88$-!J&5#<!5J.!0@,"i!&'8*5!5*+$6!
('-!5J.!0@,Qi6!('-!:.*)!2%KYh!8.J$)!5*+$6I!!
Tube%Replacement%and%Tube%Rolling:!!"#$!/01$!*5&3&;$6!5#$!/^"%!5$4#'.3.AH!
J#&4#!.8$)(5$6!5#$!5*+$6!(5!0[>!5#$!#$(5!5#('!.5#$)!5*+$!(783&9&$)6!('-!
6*+6$j*$'53H!5#$!5*+$!3&:$!&6!5H8&4(33H!>!5&7$6!(6!3.'A!(6!.5#$)!(783&9&$)6I!Q'*6$-!
5*+$6!J&33!5H8&4(33H!3(65!01<111!#.*)6!.:!.8$)(5&.'I!
Note:%there%are%very%high%voltages%in%the%Z10e.%When%removing%the%cover%
ensure%the%power%cord%is%disconnected.%%Be%extremely%careful%to%ensure%the%
unit%is%off%for%at%least%5%minutes%to%allow%voltages%to%dissipate.%Avoid%touching%
the%board,%as%high%voltages%may%still%be%present%even%if%the%unit%is%offI%
d^V!?d$J!.3-!65.4=F!5*+$6!()$!(M(&3(+3$!('-!(37.65!(3J(H6!6.*'-!+$55$)!5#('!
B*66&('!.)!C#&'$6$!5*+$6!&'!4*))$'5!8).-*45&.'I!Z.J$M$)<!J#$)$!5#$6$!5*+$6!#(M$!
+$$'!:.)!5#$!3(65!W1!H$()6!&6!'$M$)!4$)5(&'<!6.!6.7$5&7$6!5#$H!4('!:(&3!.)!+$4.7$!
'.&6H!?65(5&4!.)!)*6#&'A!6.*'-6F<!('-!)$j*&)$!)$83(4$7$'5I!,'-!.:!4.*)6$<!.'$!4('!
-$M$3.8!('!(:93&45&.'!='.J'!(6!N5*+$!).33&'AOI!,6!5#$!(783&9&$)!6.*'-!J&33!4#('A$!5.!
)$93$45!5#$!j*(3&5H!('-!N5.'$O!.:!5#$!5*+$6!&'65(33$-!&'!&5<!6.7$!()$!.:5$'!4#('A&'A!
+$5J$$'!-&::$)$'5!+)('-6!5.!.85&7&;$!5#$!6.*'-!5.!5#$&)!5(65$I!U'!$X5)$7$!4(6$6<!
(-(85$)!6.4=$56!()$!*5&3&;$-!5.!*6$!$X.5&4!5*+$6!'.5!-&)$453H!$3$45)&4(33H!4.78(5&+3$I!!
"#$!(783&9&$)!#(6!(!8.J$):*3!(*5.+&(6!4&)4*&5)H<!J#&4#!7$('6!5#$!(783&9&$)!
(*5.7(5&4(33H!(-\*656!5.!5#$!.85&7(3!3$M$36!:.)!5#$!5*+$6!('-!'.!(-\*657$'56!()$!
)$j*&)$-I!
T#$'!)$83(4&'A!5#$!5*+$6<!5#$!5J.!3(+$3$-!0@,"i!.'$6!()$!5#$!&'8*5!5*+$6I!"#$H!
7*65!+$!7(54#$-!6.!5#(5!5#$!A(&'!.:!$(4#!4#(''$3!&6!5#$!6(7$!?H.*!4.*3-!8.66&+3H!
4.))$45!:.)!*'7(54#$-!5*+$6!*6&'A!5#$!+(3('4$!4.'5).3FI!!Note,$we$often$ship$from$the$
factory$with$4$7062$tubes$in$the$12AU7$and$the$12AT7$position.$If$you$want$to$change$
one$set$to$12AU7$and$12AT7s,$you$must$remove$all$four$7062s.$The$7062s$cannot$be$
intermixed$with$12AU7s$or$12AT7s.$
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Speci2ications%(Typical%Performance%Values):%
Specifications (Typical Performance Values)
• Sensitivity: 1.2V RMS for 10 watts output
• Inputs – 2 Stereo Pairs Single Ended RCA, 1 Stereo Pair of 3 pin XLR balanced inputs
(true balanced)
• Outputs – One set of speaker outputs, two regular Headphone Outputs (1 watt and 3
watt), one Electrostatic Headphone Output
• Output impedance 1.7 ohms
• Input impedance: 50k
• 110V-120V / 220-240V operation: factory configured
• Hum and noise: 94dB below full output (measured at 20Hz-20kHz)
• Carrier: -50dB
• Power output with 4-ohm load: 13W, 0.5% THD
• Power output with 8-ohm load: 12W, 0.5% THD
• Frequency response (8-ohm load): 8Hz to 60kHz, +0, -.5dB
• Amplifier class: Push-pull Class AB
• Voltage gain (8-ohm load): 18dB
• Size: Amplifier: 12.75 inches (32.4 cm) wide, 6.25 inches (15.9 cm) tall, 14.5 inches
(36.9 cm) deep (including connectors). External Transformer: 4.75 inches wide (12.1cm),
4 inches tall (10.2mm), 7.5 inches (19mm) long.
• Net weight: Amplifier: 14 lbs. or 6.4 kg, External Transformer: 5 lbs. or 2.27 kg.
• Finish: Aluminum case
• Tube complement: two 12AT7s, two 12AU7s, and four EL-84s or equivalents
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