SAE Mark
Nine Preamplifier Equalizer
The SAE Mark
IX offers the features and flexibility of an equalizer and a preamplifier
control center. Professional-type slide pots and push-buttons are utilized
instead of the conventional rotary-type controls. The Mark Nine's operational
characteristics are much like those used in recording studios. The equalizers
may be used to compensate for porly equalized records, modify the tonal
characteristics of loudspeakers, and in some instances be used to compensate
for room characteristics.
Unique
Features
Professional-type
equalizer utilizing five frequencies instead of conventional tone controls.
Ten
torroidal LC bandpass filters with 12 dB/octave slopes.
Specially
designed slide controls assure the industry's most accurate tracking. Equalizer
and balance controls feature a center detent position.
Exclusive
tape-copy facility.
Program and
mode selections are made with push-buttons.
Equalizers
have dual range: variable to ±16 dB or ±8 dB.
An equalizer
defeat switch to electrically remove the equalizers from the circuit.
Specifiactions
Equalizer
Control Range: ±16 dB or ±8 dB at 80 Hz,
320 Hz, 1280 Hz, 5 kHz and 15 kHz
Frequancy
Response:
High Level
Inputs : 10 Hz to 100 kHz ±0,25 dB
Low Level
Inputs : 20 Hz to 20 kHz ±1 dB
Harmonic
Distortion RMS: Guaranteed less than
0,02% for any audio frequency (20Hz -20kHz) at rated output (2,5 volts output)
Typical
performance .01% at the residual level of our test equipment (Generator:
Hewlett Packard H-20-200CD; Distortion Analyzer: Hewlett Packard 333A)
Intermodulation
Distortion (60 Hz and 7 kHz 4/1 - 60 Hz and 12 kHz 4/1 - 60 Hz and 2 kHz 4/1):
Guaranteed
less than 0,02% at arated output.
Typical
performance .01% at the residual level of our test equipment (IM Analyzer used
is Audio Instrument Co. No. 168A)
Signal-to-Noise
Level:
High Level
: 90 dB below rated output
Low Level
: 75 dB below a 10 mV input
Gain:
Phono : 62 dB at 1000 Hz
High Level
: 20 dB
Maximum
Outptut: 18 volts into high impedance
Impedances:
Phono
: 47 k Ω
High
Level : 100 k Ω
Output
: 600 Ω
Dimensions
(W x D x H): 17" x 7" x
7-3/4"
Weight
(Shipping): 15 lbs
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