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:
6 C+ ]# {% P: F$ SBalanced to unbalanced (Section 1):
3 o6 a) t' P. h& f6 x: O; \8 T" ]Input impedance ≥ 10 kΩ, balanced/floating
' M0 A h7 U9 e- X* r# rMaximum input level +24 dBu
1 X8 {% B, x _Output impedance < 100 Ω, unbalanced! F/ e4 l. f" K9 M
Maximum output level +20 dBu9 a/ e$ X* m/ S
Minimum load 600 Ω
- g+ u2 o4 k- _Frequency response ±0.2 dB, 30 Hz...16 kHz
0 t7 {" B+ k- H& y# aAttenuation 0/15 dB; two fixed steps
6 f& k& N# H' m( R- o4 h$ `5 U) p8 k0...15 dB; variable
n! r; X L7 \ k: AS/N > 100 dB; attenuation set to 6 dB, line level +6 dBu
: X0 a: q; f2 u' qUnbalanced to balanced (Section 2):2 d, A. P8 A- Z6 z/ \( d: q
Input impedance 5 kΩ, unbalanced& g( m6 M' z3 N9 @+ Z" y* E0 t! k% ^
Maximum input level +20 dBu
+ |8 p& q5 m! S F+ L; YOutput impedance ≤ 50 Ω, balanced/floating, g: d6 V% O3 |# {! D
Minimum load 200 Ω: u7 f. t: i* x( R% Y
Maximum output level +24 dBu! W* i4 n0 s- l
Frequency response ±0.2 dB, 30 Hz...16 kHz) O' M/ T7 O9 u7 A
Gain 14/30 dB; two fixed steps
) g* s" Z5 D+ `( |1 l: U0...17 dB; variable
9 U! q1 w0 m+ \1 x, SS/N > 100 dB; gain set to 6 dB, line level +6 dBu' e/ m/ h ?$ X* m/ L9 `* K# t
Supply: ±15 V (70 mA, idling; 170 mA, each channel +24 dBu into 200 Ω) |