Filter
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SPECIFICATIONS
The numbers in parentheses refer to the paragraph in the IHF specifications manual which defines the test procedure.
2
PHONO PREAMP SECTION
Rated Output: 3
Wms,
8 Hz-105 kHz
Maximum Output (3.5): 12
Vrms,
20 Hz-20 kHz at recording output
Total Harmonic Distortion: Less than 0.0006%
@
1 kHz, 3
Vrms
Frequency Response (3.13): +0, -0.25 dB, 20 Hz-20 kHz
RIAA Equalization Accuracy: +0, -0.1 dB, 30 Hz-15 kHz
Full Power Bandwidth: -6 dB, 4 Hz-210 kHz
Sensitivity (3.7): 12.5 millivolts
Maximum Input Signal
@
1
kHz
(3.8): 300 millivolts;
[3
V
@
20
kHz]
Gain: 34
dB @ 1
kHz
Input Impedance: 47,000 ohms in parallel with 30 pF; user adjustable.
Plug-in capacitors are installed to increase this
to 150
pF
on Phono 1; 250
pF
on Phono 2
Signal to Noise, weighted (3.12): 87
dB
Slew Rate: 12 volts per microsecond
LINE AMPLIFIER SECTION
Rated Output: 3
Vrms,
4 Hz-210 kHz
Maximum Output (3.5): 14
Vrms,
20 Hz-20 kHz
Total
Harmonic Distortion (3.4):
Less
than
0.001%,
20 Hz-20 kHz
Frequency Response (3.13):
+0,
-0.1 dB, 20 Hz-20 kHz
Full Power Bandwidth: -6
dB,
2 Hz-420 kHz
Sensitivity (3.7): 50 millivolts
Maximum Input Signal
@
1
kHz
(3.8): 14
Vrms;
volume control
@
-20
dB
Gain: 20
dB
±
1
dB
Input Impedance: Greater than 25,000 ohms
Signal to Noise, weighted (3.12):
90
dB
Slew Rate: 12 volts per microsecond
Rise Time: 2.5 microseconds maximum, Phono in
/
Line out, 10 Vp-p,
1 kHz square wave; load is 10,000 ohms in parallel with 10
nF
Crosstalk (3.14): down 72 dB, any input to any output
Separation (4.2): greater than 82
dB
@
1 kHz; greater than 52
dB
@
20 kHz
Gain
Tracking
Error (4.4): less than 0.5
dB
Maximum Output Noise: less than 350 microvolts,
wideband
less than 95 microvolts, ‘A’ weighted
[with 1 Kohm input termination, volume full
CW]
Bass Control: 217
dB
@
20 Hz, moving inflection, variable turnover
Treble
Control: ±17
dB
@
20 kHz, shelving
@
5 kHz, fixed turnover
Filter Response: -3
dB
@
25 Hz; -6
dB
@
15 Hz; -12
dB
@
8.2 Hz; -25
dB
@
3 Hz
Filter Cutoff (3.13.2.2.1; 3.13.2.2.2): 25 Hz; -12
dB/octave
GENERAL SPECIFICATIONS
Semiconductors:
30 transistors, 3 ICs, 12 diodes, 2 LEDs
Inputs: 2 Phono, Tuner, Compact Disc or Video, 2 Tape recorders, EPL
Outputs: 2 Tape (buffered), 2
Line, EPL, Headphone Jack
Controls:
Volume,
Balance, Bass,
Treble,
Input Selector, Phono l/2 Selector,
Monitor Selector, Mono-Stereo, Filter, External Processor Loop,
Tone Control Engage, Power
Intermodulation Distortion: Both
SMPTE
and CCIF IMD at operating
levels from phono input to line output are below the
residual of currently available instrumentation
AC Supply Voltage: 100-130 and 200-260 VAC,
50/60
Hz
Power Consumption:
3.5 watts
AC Convenience Outlets: 3 switched, 5 amp continuous, 72 amp surge
1
unswitched,
5 amp continuous
Size: 17” wide x 3” high x
8½”
deep
19” rack mounting accessories included
Shipping Weight: 12.5
lbs.
Net Weight: 10
lbs.
©
Copyright 1985. All rights reserved.