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楼主 |
发表于 2013-1-20 11:04:32
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有哪位朋友用过这块板的,可否说说效果如何?看资料的频响也不算很高:
7 c/ M7 y- t' s+ YBalanced to unbalanced (Section 1):) f8 P0 R! H$ ]+ [6 M+ p
Input impedance ≥ 10 kΩ, balanced/floating
$ l, _' P. ~$ d# lMaximum input level +24 dBu
+ u4 \6 y! V& J" j; X+ yOutput impedance < 100 Ω, unbalanced
! B! p5 g: r$ C5 w9 U9 oMaximum output level +20 dBu4 @# M# B a4 M' d6 i! e
Minimum load 600 Ω
' P, }' q6 ^$ O% U* BFrequency response ±0.2 dB, 30 Hz...16 kHz
: r; n3 S& x$ l; R/ CAttenuation 0/15 dB; two fixed steps
; j( W& m* w+ |1 |. D0...15 dB; variable
8 S# `9 ^' Z; Y3 JS/N > 100 dB; attenuation set to 6 dB, line level +6 dBu
+ c% v& M( S, Z) }/ YUnbalanced to balanced (Section 2):
( |: L" x) A+ Y5 l/ f8 b: UInput impedance 5 kΩ, unbalanced
, l' [% }7 [) b7 `& Y/ }1 \/ KMaximum input level +20 dBu4 ?. ~$ q" `2 L5 ~# \; Z
Output impedance ≤ 50 Ω, balanced/floating5 V, p# F3 C6 |4 ~ d) t+ m
Minimum load 200 Ω0 }& W; |5 l$ ?* {
Maximum output level +24 dBu2 o& L0 U) P/ ]
Frequency response ±0.2 dB, 30 Hz...16 kHz
8 [$ o( V6 e* x0 M% T zGain 14/30 dB; two fixed steps6 o% R& c9 s3 d2 \. i) Y
0...17 dB; variable
: l+ U% k( j# Q& I' }7 uS/N > 100 dB; gain set to 6 dB, line level +6 dBu
; o4 F7 g. [- R7 DSupply: ±15 V (70 mA, idling; 170 mA, each channel +24 dBu into 200 Ω) |
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