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 A! d0 F5 Q" ^7 y: |7 i
Balanced to unbalanced (Section 1):0 |8 U- f" D; s7 Y6 K2 o6 y( U
Input impedance ≥ 10 kΩ, balanced/floating! {* Y4 q& Y5 d6 Y0 n. s6 \2 I
Maximum input level +24 dBu# ?: v0 p% J5 Z8 q5 B* ]5 J# I# P
Output impedance < 100 Ω, unbalanced
4 p( l# V& R- _) l- R; u- @Maximum output level +20 dBu+ U, X7 H' @# }: m% c
Minimum load 600 Ω
4 B. U8 ?0 C) x t# B* [Frequency response ±0.2 dB, 30 Hz...16 kHz/ e s% _* j* c2 i# ]
Attenuation 0/15 dB; two fixed steps% l( Z, B$ Q- K2 f# x
0...15 dB; variable' }% W) C, {% ?% ]6 u6 A9 R" B
S/N > 100 dB; attenuation set to 6 dB, line level +6 dBu
3 D1 K. U4 v+ I/ R' T( KUnbalanced to balanced (Section 2):$ R1 O X& Y) _5 Q7 M& } O* u9 H
Input impedance 5 kΩ, unbalanced6 j. f* [, i8 \+ B+ B! m
Maximum input level +20 dBu+ l/ b) D2 h% s
Output impedance ≤ 50 Ω, balanced/floating+ f# E3 u8 e7 e8 K( O$ \
Minimum load 200 Ω
9 L$ ~& u# A& j7 iMaximum output level +24 dBu
8 A7 h# x" |3 u8 X$ ZFrequency response ±0.2 dB, 30 Hz...16 kHz
( \' u2 ?3 b* u! M8 ^' JGain 14/30 dB; two fixed steps
5 N$ W9 j* ]6 g4 f0...17 dB; variable
) T# M2 _1 }5 F. @+ W$ N2 hS/N > 100 dB; gain set to 6 dB, line level +6 dBu$ j; ~3 j. e' o6 r5 A
Supply: ±15 V (70 mA, idling; 170 mA, each channel +24 dBu into 200 Ω) |
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发表于 2013-1-19 13:19:53
楼主
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