3346A CD player evaluating filter
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The 3346A consists of the filters and the amplifiers that is essential for measuring dynamic range, harmonic distortion ratio, channel separation, and cross modulation distortion ratio. |
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| Specifications | ||||
| Input CH Number | 1 ( To be L/R channel switched ) | |||
| Input Impedance | 1M£[ / 10k£[ ( single-ended, to be switched ) | |||
| Output Impedance | 100£[ or less ( single-ended ) | |||
| Input Voltage | 2Vrms | 2mVrms | ||
| Lowpass Filter Outoff Frequency | 20kHz ( Nominal Value ) | |||
| Passband Gain at 1kHz | 0 ¡Ó 0.1dB | 0 ¡Ó 0.2dB | 60 ¡Ó 0.2dB | |
| Attenuation in high F range | 60dB or more ( 24.1kHz to 1MHz ) | |||
| Attenuation in low F range | According to IEC-651-A | DC Pass | According to IEC-651-A | 6dB/oct -3dB at 4Hz |
| Passband Ripple DC to 20kHz | Within 0.2dBp-p | |||
| Dist. Factor ¡°1 | |||||||
| at 1kHz |
0.0005% or less 0.0004% typ |
0.0014% or less 0.0007% typ |
0.0008% or less 0.0006% typ |
0.5% or less 0.3% typ |
1% or less 0.5% typ |
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| at 20kHz |
0.0015% or less 0.0001% typ |
0.0023% or less 0.0017% typ |
0.0011% or less 0.0008% typ |
1% or less 0.5% typ |
0.7% less 0.3% typ |
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| Noise Level 10HZ to 500kHz |
5£gVrms or less 4£gVrms typ |
8£gVrms or less 5.6£gVrms typ |
12£gVrms or less 5mVrms typ |
6mVrms or less 5mVrms typ |
13mVrms or less 10mVrms typ |
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| S/N For 2Vrms Output |
112dB or more 114dB typ |
108dB or more 111dB typ |
104dB or more 107dB typ |
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| CH-SEP ¡°2 | 100dB or more110dB typ | ||||||
| Measurement Item Selection | By Front Panel Push Buttons or External Control | ||||||
| Ambient Temp For Operation | 0 to 40¢XC | ||||||
| Power Requirements | AC100V ¡Ó10% 48 to 62Hz ( can be modified to 120V, 220V, 240V ) 10VA approx | ||||||
| Dimensions | 215 (W) x 88 (H) x 330 (D)mm (Excluding Protrutions) | ||||||
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¡°1 Reference: Filter / IN, Input voltage / 2Vrms output of 1kHz in THRU. ¡°2 Reference: Crosstalk (up to 2kHz) of R¡÷L and L¡÷R / 2Vrms |
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