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：
( C( l a% z; Y) cBalanced to unbalanced (Section 1):
. N. C! R2 E1 r# X! wInput impedance ≥ 10 kΩ, balanced/floating% Z% L, w) z$ A& v, R
Maximum input level +24 dBu2 m! O) p" G$ G4 n( z) a
Output impedance < 100 Ω, unbalanced
0 N7 ^. F8 X, c1 ~/ ]' ?# Z3 B& _Maximum output level +20 dBu! H+ Y" y4 U! ]5 `5 @
Minimum load 600 Ω+ e r; I1 |% Z4 Y
Frequency response ±0.2 dB, 30 Hz...16 kHz) D$ Y1 Z4 a6 E5 L, \7 m0 i. ?. z
Attenuation 0/15 dB; two fixed steps2 M6 c: h7 N: \) q) ]; _( Y
0...15 dB; variable
$ A$ H+ K" k. A- ~S/N > 100 dB; attenuation set to 6 dB, line level +6 dBu
8 \9 a5 V2 } U* W$ j2 {- OUnbalanced to balanced (Section 2):# w+ _. J* A: q4 J/ O6 c
Input impedance 5 kΩ, unbalanced; O$ j- W( d( K
Maximum input level +20 dBu
2 E. f! A3 H& IOutput impedance ≤ 50 Ω, balanced/floating
1 I6 K# l) `3 |: C: f; oMinimum load 200 Ω
4 A4 n* f1 q! M9 T$ @Maximum output level +24 dBu" x- r0 d' _0 }9 X& C
Frequency response ±0.2 dB, 30 Hz...16 kHz' ~8 @% T' `6 X& L6 Z6 F. h V
Gain 14/30 dB; two fixed steps
) P; I4 ~' b9 X) ?$ u# ?0...17 dB; variable2 ~5 `7 |' f3 n! O3 p0 W6 z
S/N > 100 dB; gain set to 6 dB, line level +6 dBu: b1 i. |8 S2 o
Supply: ±15 V (70 mA, idling; 170 mA, each channel +24 dBu into 200 Ω) |
公安部备 45010302002201
客服：18077773618
发表于 2013-1-19 13:19:53
楼主
% N( f( x- ]1 }. J3 c, P
