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：/ Z' m ^5 A% g" r' S
Balanced to unbalanced (Section 1):
( ]" M3 l: H' W6 x2 VInput impedance ≥ 10 kΩ, balanced/floating) d3 p( W" P3 t- g
Maximum input level +24 dBu
/ D* o* M6 b! KOutput impedance < 100 Ω, unbalanced$ V% z( d: }( _4 G3 a
Maximum output level +20 dBu0 I: Q7 b( I- ]
Minimum load 600 Ω& U+ {2 {2 k. E/ ]# v, J
Frequency response ±0.2 dB, 30 Hz...16 kHz8 T% W) Y# S; |' u: f$ P" H
Attenuation 0/15 dB; two fixed steps; ^/ K' ~, o9 e; Q9 W1 ^# H s
0...15 dB; variable& u e% P7 N" f. ?
S/N > 100 dB; attenuation set to 6 dB, line level +6 dBu& }# w) L* F0 i3 L# F4 z
Unbalanced to balanced (Section 2):# h' ], w( m% m0 U1 y/ T9 R$ Z$ n
Input impedance 5 kΩ, unbalanced7 {" x( k% j7 S- D4 w# ?- e
Maximum input level +20 dBu
/ o& E" b& L) |1 J9 B. gOutput impedance ≤ 50 Ω, balanced/floating
8 j4 C3 }9 D; n: z& W, WMinimum load 200 Ω. v; z8 g) u9 r
Maximum output level +24 dBu" T0 ^0 {0 L* _0 u6 @, {
Frequency response ±0.2 dB, 30 Hz...16 kHz% x2 m7 t* H: T" c* I
Gain 14/30 dB; two fixed steps
# f) f* o1 z+ Q( I/ `8 R. F0...17 dB; variable
. N# y8 k8 q" a u3 uS/N > 100 dB; gain set to 6 dB, line level +6 dBu' N F4 _' ^/ ^1 ?$ |" X% O. e
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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