8
TYPICAL SPECIFICATIONS
INPUTS
Six stereo inputs with individual balance and level Controls.
Phono 1 & 2
RIAA-equalized stereo phono, with two Part No.
1620-PC
preamplifier cards supplied as
standard configuration.
Auxiliary 1-4
Switchable to any one of five line level sources or aPreamplified low level source.
Standard configuration: Aux 4 Input equipped with mono microphone preamplifier card, Part No.
1620-MC
.
Optional configuration: Preamp source position accepts stereo phono preamplifier card, Part No.
1620-PC
, or
mono microphone preamplifier card, Part No.
1620-MC
; Phono inputs 1 & 2 alternately will accept mic preamp
card in place of standard phono preamp card.
Phono Inputs
Input Impedance
47k Ohms.
Gain
64 dB maximum @ 1 kHz (measured at House XLR).
Connector
RCA-type phono jack.
Microphone Input
Input Impedance
For 150 ohm microphone, electronically balanced.
Gain
60-84 dB, adjustable on card (measured at House XLR).
EIN
< -126 dBu (22-22kHz).
Connector
XLR-type three-pin female.
Auxiliary Inputs
Input Impedance
10k ohm nominal.
Gain
20 dB maximum
Connector
RCA – type phono jack.
OUTPUTS
House Output:
i) Balanced
Transformer isolated, symmetrical, floating balanced
Output Impedance
< 50 Ohms.
Recommended Load
>= 600 Ohms.
Frequency Response
+ 0/-1 dB, 20 Hz – 20 kHz.
THD +N
< 0.1% 30 Hz – 20 kHz @ +20 dBu, 10k Ohms.
Maximum Output
+25 dBu into 600 Ohms.
Connectors
XLR-type three pin male.
ii) Unbalanced Single-ended, electronic
Output Impedance
75 Ohms.
Recommended Load
>= 600 Ohms.
Frequency Response
+ 0/-1 dB, 20 Hz – 20 kHz.
THD +N
< 0.05% 20 Hz – 20 kHz @ +20 dBu, 10k Ohms.
Maximum Output
+20 dBu into 600 Ohms.
Connectors
RCA-type phono jack.
