Difference between revisions of "Harman/kardon HK 725"

 
 
(10 intermediate revisions by 3 users not shown)
Line 1: Line 1:
[[Bild: HarmanKardon_HK7xx_Series.JPG]]
+
__NOTOC__
 +
== Data ==
 +
{{navigation}}
 +
'''General'''
 +
* Manufacturer: [[Harman/kardon]]
 +
* Model: HK 725
 +
* Model range: HK 700 Series
 +
* Type: Preamplifier
 +
* Years of manufacture: 1980 - 1983
 +
* Made in: Japan
 +
* Color: Silver
 +
* Remote control:
 +
* Power Consumption:
 +
* Dimensions: 385 x 72.5 x 320 mm (WxHxD).
 +
* Weight: 4,2 kg
 +
* Original price approx.: 330 US-$, 750 DM
 +
 
 +
 
 +
'''Connections'''
 +
* Number of inputs:
 +
** Input sensitivity:
 +
** Phono MM: 2.3 mV, 47 kOhm, 250 mV max.
 +
Line: 145 mV, 23 kOhm
 +
Tuner: 145 mV, 23 kOhm
 +
AUX: 145 mV, 23 kOhm
 +
** Tape Play 1, 2: 145 mV, 23 kOhm
 +
* Number of outputs:
 +
** Outputs:
 +
** Tape Rec 1, 2: 145 mV, 23 kOhm
 +
** Tape Rec DIN: 30 mV
 +
** Headphones:
 +
 
 +
 
 +
'''Specifications'''
 +
* Frequency response:
 +
** Phono (RIAA): 20 - 20'000 Hz, ± 0.2 dB.
 +
High level: 10 - 100'000 Hz, + 0 dB, - 1 dB
 +
Signal-to-noise ratio:
 +
** Phono: 90 dB
 +
High level: 106 dB
 +
* Tone control
 +
** Bass: ± 8 dB at 100 Hz
 +
Treble: ± 8 dB at 10 kHz
 +
* Loudness (Bass Contour): + 10 dB at 50 Hz
 +
* High Filter (High Cut): 6 kHz, 6 dB / octave
 +
* Low Filter (Subsonic): 15 Hz, 6 dB / octave
 +
 
 +
 
 +
'''Special Features'''
 +
* Tone control via jog keys
 +
 
 +
 
 +
== Remarks ==
 +
* Other models in the same series:
 +
* Integrated amplifier:
 +
* [[Harman/kardon HK 750]]
 +
 
 +
 
 +
* Preamplifier:
 +
* [[Harman/kardon HK 725]]
 +
 
 +
 
 +
* Power amplifier:
 +
* [[Harman/kardon HK 770]]
 +
* [[Harman/kardon HK 775]]
 +
 
 +
 
 +
* Tuners:
 +
* [[Harman/kardon HK 710]]
 +
* [[Harman/kardon HK 715]]
 +
 
 +
 
 +
* Receiver:
 +
* [[Harman/kardon HK 740]]
 +
 
 +
 
 +
* Tape Deck:
 +
* [[Harman/kardon HK 705]]
 +
 
 +
 
 +
* Turntable:
 +
* [[Harman/kardon HK 720]]
 +
 
 +
 
 +
== Pictures ==
 +
* Extract from brochure: Harman/kardon HK 725
 +
[[File:Harman Kardon HK-725-Prospekt-1.jpg]]
 +
 
 +
 
 +
* Excerpt from brochure: Harman/kardon HK 700 Series
 +
[[File:Harman Kardon HK-700 Series-Prospekt-1.jpg]]
 +
 
 +
 
 +
== Reviews ==
 +
 
 +
 
 +
== Links ==
 +
* External link to website "The Vintage Knob": [http://www.thevintageknob.org/harman_kardon-hk725.html]
 +
 
 +
* External link on website "The Vintage Knob": [http://www.thevintageknob.org/harman_kardon-700_Series.html]
 +
 
 +
 
 +
[[Category:Preamplifier]]

Latest revision as of 01:52, 3 June 2019

Data[edit]

General

  • Manufacturer: Harman/kardon
  • Model: HK 725
  • Model range: HK 700 Series
  • Type: Preamplifier
  • Years of manufacture: 1980 - 1983
  • Made in: Japan
  • Color: Silver
  • Remote control:
  • Power Consumption:
  • Dimensions: 385 x 72.5 x 320 mm (WxHxD).
  • Weight: 4,2 kg
  • Original price approx.: 330 US-$, 750 DM


Connections

  • Number of inputs:
    • Input sensitivity:
    • Phono MM: 2.3 mV, 47 kOhm, 250 mV max.

Line: 145 mV, 23 kOhm Tuner: 145 mV, 23 kOhm AUX: 145 mV, 23 kOhm

    • Tape Play 1, 2: 145 mV, 23 kOhm
  • Number of outputs:
    • Outputs:
    • Tape Rec 1, 2: 145 mV, 23 kOhm
    • Tape Rec DIN: 30 mV
    • Headphones:


Specifications

  • Frequency response:
    • Phono (RIAA): 20 - 20'000 Hz, ± 0.2 dB.

High level: 10 - 100'000 Hz, + 0 dB, - 1 dB Signal-to-noise ratio:

    • Phono: 90 dB

High level: 106 dB

  • Tone control
    • Bass: ± 8 dB at 100 Hz

Treble: ± 8 dB at 10 kHz

  • Loudness (Bass Contour): + 10 dB at 50 Hz
  • High Filter (High Cut): 6 kHz, 6 dB / octave
  • Low Filter (Subsonic): 15 Hz, 6 dB / octave


Special Features

  • Tone control via jog keys


Remarks[edit]








Pictures[edit]

  • Extract from brochure: Harman/kardon HK 725

Harman Kardon HK-725-Prospekt-1.jpg


  • Excerpt from brochure: Harman/kardon HK 700 Series

Harman Kardon HK-700 Series-Prospekt-1.jpg


Reviews[edit]

Links[edit]

  • External link to website "The Vintage Knob": [1]
  • External link on website "The Vintage Knob": [2]