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发表于 2012-5-21 23:23:18
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本帖最后由 dan3963101 于 2012-5-20 00:12 编辑 ; Q6 } c1 z8 x8 s. A' K7 D* \
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英文电子说明书) W/ l" p0 e3 k0 X
[1] POWER Switches the unit on or off. The unit is ready to operate with the factory
- F0 v/ x% ]. J% L9 a1 C default settings. The subsequent settings remain stored in a Flash EPROM
7 _4 A; f: D' n- ~ after switching the unit off (unit contains no battery).
* }' D( r. m+ M$ z. h[2] Input dBu FS Rotary switch for coarse input sensitivity setting in 10 dB steps. OFF position1 H1 p ?' S% P, T5 L' N! m
between microphone and line sensitivity setting ranges.7 t# x5 ?1 @% K+ q& @
Mic: Range –40...+20 dBu" N8 p+ N7 y4 }! J ^# Y- `0 I/ d4 o
Line: Range +14 dBu, +24 dBu
3 a6 x1 F$ c( ], f7 ~9 _ E6 f0 u" t[3] Fine Gain Potentiometer for fine input sensitivity setting.# U `& \& [9 c4 W
Range of additional gain: 0...+15 dB.9 I a0 W! N+ B( ^
Headroom: The input sensitivity setting is calibrated in dBu per full-scale. It represents
( e$ M6 X& b# X the dBu value of an analog input signal which causes a full-scale output of% [! s- }0 C% t7 D F+ {4 d
the A/D converter.
! Z7 K% ^5 j0 {* R8 g Example: A studio works with +4 dBu nominal analog level and uses 12 dB headroom;: V2 k# F3 {0 \# u5 t4 ?
the peak level is therefore +16 dBu. The “Input dBu FS” rotary& A( ?: j3 N8 H6 U5 T2 W; i9 Y
switch [2] is set to +24 dBu (i.e. gain setting short by 8 dB), and the “Fine% K3 |4 [% @7 {$ J( r' E, v
Gain” potentiometer [3] increases the gain by 8 dB.
2 Q8 {3 j/ O% K9 f B/ @[4]...[6] Valve Dignifier Operative only if the function VALVE [8] is active.
* W% W& u t, n: S[4] Bass Warmth The sound of low frequencies becomes rounder; bass has more depth; vocals0 b2 ?+ A2 F- Z' x: e( r" a
have more body; percussive instruments are less aggressive.
' C8 s1 f$ Y' ^. B The group delay behaviour due to AC coupling of the stages is different in9 z' w( X- |' Y0 a$ N4 g: K3 q3 S
tube amplifiers.2 J# ~: }0 x1 w+ Y9 O# A
The “Bass Warmth” control allows to select the frequency range! c6 U1 l# x L9 r
(10...200 Hz) within which the effect is active.' V- B) d: t3 a1 i! T5 x& S n2 g2 O
[5] Angel Zoom Adds transparency and clarity to vocals; emphasizes the solo instruments.
1 J( e* `, |! \, p* [6 a# U7 I* C' s) t Valve amps have a characteristic response, mid-frequency harmonic content5 }. u2 x$ p3 V; ^. f+ B1 G
is emphasized.
3 P' b' k; Z' N! t8 P[6] Valve Drive Gain/Clip Tight, full sound; the sound will be harder/softer.
0 ?+ [' E' P( a3 ]) b Y! @ The harmonics spectrum of a delicately overloaded valve amplifier is completely: ?' A5 @/ z& _4 I3 p8 L Y* g
different from an overloaded transistor stage.
% L8 h, r& y! n$ |! ?, D The “Gain” control adjusts a gentle overload while the odd-harmonics content
8 a: \9 S) M; E9 L8 T* l can be adjusted with the “Clip” control.( [; Q/ U; p7 V0 n+ i1 @# I) [
[7] Line Out Output level setting, calibrated in dBu per full scale (dBu FS). Range: 4...24
2 T9 t) t, Z! E8 }/ C; r dBu FS.
5 P0 v$ x8 u$ K. t! D) e6 v& {( x[8] VALVE Toggle key for inserting the Valve Dignifier stage into the audio path of the6 N, P% C, S! F& G4 \5 _! |
desired channel.
! h9 K- J$ ~0 X0 S' O The “VALVE” LED is on when the Valve Dignifier stage is active.; }. X8 N9 N, t4 z
[9] INSERT INSERT function.
- Z4 y; O [( n4 s# J, [ a First key pressure: INSERT POST VALVE, the Insert Send is tapped after
5 w9 Z5 K# c& B. |6 F6 D the valve stage (display: “INS”); the Insert Return is directly fed to the Line
! J# i4 d/ Z1 u and AES/EBU outputs.6 Y7 s/ v# L, g3 `; \
Second key pressure: INSERT PRE VALVE, the Insert Send is tapped before) M4 s- B/ p4 M2 q& G4 n2 l
the valve stage (display: “INS” and “PRE”); the Insert Return is fed via
& I1 H+ j$ Q7 ] the valve dignifier stage to the Line and AES/EBU outputs.; Z/ Q, L5 e( X
Third pressure: INSERT OFF, the input signal is fed via the valve dignifier
* B- O9 V5 }4 G% l9 q stage (if active) to the Line and AES/EBU outputs (also the Insert Send output
, I5 V, `( T4 r4 c5 U3 n2 q8 H! g receives this signal; display: none).) ]+ C7 |: g/ l, G$ A, T
Insert Send and Insert Return are electronically balanced and equipped with
7 X* l S# r9 O0 P8 {9 | XLR connectors.5 H X+ ` a9 w3 }
[10] ROUTING Selector for the channel routing when using one of the (optional) TDIF or" j4 A8 i( v, I& j' [; |* m; R
ADAT digital interfaces. Each input channel can be switched to one of the. ~; o+ Z, L; m8 R
channels 1...8 of the multichannel interface. If desired, also a mono mix is4 C7 j) J2 H1 X) Y
possible by selecting the same output channel for both input channels.* [, u I, N6 B" R* |1 P4 e2 o
[11] 48 V Toggle key to activate the 48 V phantom power supply for the desired microphone
: j1 f; z' y1 @ B. l channel.# }& L5 o7 F1 y, n+ |4 k" U: x) p
Can be operated only if the input gain selector is in Mic position. The! P5 f. s" o! s# s
setting remains stored when switching over to a line gain setting.
) U @( w# t) D. G' g/ S# P[12] Activates the high pass filter on the microphone inputs of the desired channel.. X, j# f2 [, t0 f
Cut-off frequency (–3 dB point) 75 Hz, slope 12 dB/octave.4 [1 h: D" c% L& y9 `& W2 s: ?
Can be operated only if the input gain selector is in Mic position. The
+ o/ c2 ~5 u) x9 }) B* w+ N! G setting remains stored when switching over to a line gain setting.& r7 Y" V. D4 x: W I& o2 Y
[13] Ø Toggle key to activate the phase reverse switch of the desired channel.
6 o6 l+ A( s4 F2 A/ D' ?[14] MODE Toggle key to select the word length of the DIGITAL OUTput. 20 bit (display:
) A0 x/ \- K" o" R “20BIT”), 16 bit with dithering (display: “16DI”), or 16 bit with0 }* F0 |' t K
Noise Shaping (display: “16NS”) can be selected.- I. m* O( n3 T, |
[15] SYNC Selects the synchronization source for the unit. Possible selections are:
% d- o# X; j# u0 D, L* o5 I INT 48 Internal quartz reference, 48 kHz6 o( g+ z/ v$ n" O. [0 O9 T! Y
INT 44 Internal quartz reference, 44.1 kHz
) S" H* V* k2 z8 W( V WCLK Selects external Word Clock Sync (flashes if no valid input signal is recognized)* C% {2 w& i! f( Q/ A9 ?
AES Selects external AES/EBU Sync (flashes if no valid input signal is recognized)( B! j1 y! `0 N% \) y
AUTO Selects sources automatically in the sequence AES-WCLK-INT. k8 e4 K2 r* r4 F
VAR Indication only, active if the external source frequency deviates from 48 or4 u* x: Y& T1 i% y3 v: l% @: M8 r
44.1 kHz for more than approx. ±3 %.
1 `$ H0 a4 n; c8 o$ C4 J& ^% ~[16] PEAK HOLD Toggle key to select the PEAK HOLD function for the PPM level meters –
& k/ ?+ r% N# f7 W3 l0 O* t either permanently (display: “HOLD”), or with automatic reset after approx. 2 s.+ E5 |7 b" I/ I& {
[17] SOFT CLIP Toggle key to activate the SOFT CLIP function in the analog paths to reduce
. d4 Q) d. e t( d& i% ~4 \ the danger of overloading the A/D converter with short signal peaks (if
% M0 R! C% q" @9 g6 j active, the display indicates “SOFT”). Threshold at 3 dB below full-scale,! I4 Z* {$ h5 p( D x) d
allowing for approx. 6 dB reserve before hard clipping occurs' \, Z) H+ c, N4 O/ K3 b" o. X' G+ E& y
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