Harman/Kardon
Citation Eleven
Professional
Solid State Stereophonic Preamplifier/Audio Equalizer
When
Harman/Kardon introduced the Citation A
preamplifier several years ago, it
represented a major breakthrough in
solid state design. Within a short period of time, it became the audiophile's
standard of excellence. In fact, the "A" is still recognized today by
many audio authorities as the finest stereo preamplifier ever designed.
With the
introduction of the Citation Eleven, Harman/Kardon has once again innovated a
major change in the design and function of high performance solid state stereo
preamplifiers.
The Citation
Eleven uses the potential of transistors more completely and creatively than
any other preamplifier in existance. It is a computer-crafted instrument that
easily meets or exceeds every performance parameter ever established for a
preamplifier. The simple truth is that the Citation Eleven is the best stereo
preamplifier ever made.
Total
Flexibility and Control Over Acoustics
An important
new design concept has been incorporated into the Citation Eleven to make it
the most versatile stereo preamplifier ever created for home use. H/K engineers
have determined that standard tone controls, even professional switched types,
limit flexibility for they do not permit precise adjustment of program material
over the entire audio range.
The Citation
Eleven employs a professional type audio equalizer which gives the user
complete control over program material, room acoustic and deficiencies within
the speakers. Operating at predetermined hinge points, the audio equalizer adds
or deletes audio energy to any of five points within the audio spectrum to
compensate for inaccuracies in program material or within the playback system.
It is no longer required to match room acoustic to the speakers by
re-positioning furniture or by adding draperies and rugs to the room. The
Citation audio equalizer controls room acoustics by permitting the user to set
the five controls to suit his own personal requirements. Hot spots,
ear-piercing high, frequency response drop out, excessive bass and even mid-frequency
harshness can now be cancelled out by adding or deleting audio energy at the
specific points in the audio spectrum where these probllems occur.
Below: another version of H/K Citation Eleven
Listening
quality of the Citation Eleven is superb , and not easily described in terms of
laboratory measurements. The preamplifier offers solidity combined with an
openness that sets it apart from all others. The more you listen to the Eleven
, the more you become aware of the great achievement it represents. Anyone who
wants the very best and will not be satified with anything less than the
finest, will be well-advised to see and hear the new Citation Eleven.
Specifications
Audio
Output: up to 6 volts RMS into 10 k ohms
Frequency
Response: below 5 Hz to beyond 125 kHz
±0,5 dB
Square Wave
Rise Time: less than 1 ms at 20,000 Hz
Square Wave
Tilt: less than 5% at 20 Hz
Total
Harmonic Distortion: less than 0,05% at
6 volts RMS from 10 to 30,000 Hz
Below
residual level of most test instrumentation at 2 volts RMS and below
Intermodulation
Distortion: less than 0,05% at the
equivalent 6 volts RMS output
Noise
(Unweighted):
Low Level
: 65 dB below 6 volts at 10 mV input
reference
High
Level: 80 dB below 6 volts ( volume control wide open)
Residual: 900 dB below 6 volts
Sensitivity:
Low Level
: 1,5 mV for 2 V output
High Level
: 150 mV for 2 V output ( in all
auxiliary positions except Aux 3, which is 300 mV for 2 V output)
High Cut
Filter: -8 dB at 10,000 Hz, 6 dB /octave
slope
Subsonic
Filter: -12 dB at 15 Hz, 6 dB/octave
slope
Input
Impedance:
Phono : 47 k Ω
Aux : 20 k Ω
Output
Impedance:
Source
Impedance : less than 500 Ω
Recommended
Load : 10, 00 Ω or greater
Phono
Overload: Greater than 115 mV
Audio
Equalizers: Five sliding controls
operaating at the following hinge points; 60, 320, 1k, 5 k, 12k Hz. Boost and
cut ±12 dB, each position
Phono
Equalization: RIAA curve ±0,5 dB
A.C.
Convenience Receptacles: Three switched.
One unswitched
On/Off
Switch: Pushbutton, heavy duty rating
Function
Selector: Mag. Phono 1, Mag. Phono 2,
four high level positions
Mode
Selector: Stereo, Stereo Reverse, Mono,
LeftChannel only, Right Channel only
Balance
Control: Zero to infinity type
Volume
Control: Close tracking dual
potentiometers, frequency insenstive within range of frequency response
specifications
Speaker
Selector: Permits choice of speaker
system 1, system 2 or both at once when preamplifier is connected in the manner
described in the instruction manual
Headphone
Receptacles: Two low impedance headphone
receptacles controlled by front panel speaker selector switch. May be switched
in or out at user's discretion.
Output
Receptacles: Four main preamplifier
outputs. Four outputs for tape recording
Inputs:
Two pair for
low level phonograph
Four pair
for high level equipment
Two pair for
tape monitor
Two
grounding termnals
Power
Requirements: 117 volt, 50/60 Hz or 220
volt operation, AC line fuse
Dimensions
(WxHxD): 16-1/16" x 4-3/4" x
12"
Weight: 20 pounds
Nessun commento:
Posta un commento