Difference between revisions of "Nakamichi 620"
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| − | == | + | == Data == |
| − | {{ | + | {{navigation}} |
| − | ''' | + | '''General''' |
| − | * | + | * Manufacturer: [[Nakamichi]] |
| − | * | + | * Model: 620 |
| − | * | + | * Type: Power amplifier |
| − | * | + | * Years of manufacture: 1977 - 1979 |
| − | * | + | * Made in: Japan |
| − | * | + | * Color: Black |
| − | * | + | * Remote control: |
| − | * | + | * Power consumption: 700 W max. 50 W Quiet. |
| − | * | + | * Dimensions: 400 x 189 x 248 mm (WxHxD) |
| − | * | + | * Weight: 12.5 kg |
| − | * | + | * Original price approx.: 1'800 DM |
| − | ''' | + | '''Connections''' |
| − | * | + | * Number of inputs: |
** Line In: 1 V, 10 kOhm | ** Line In: 1 V, 10 kOhm | ||
| − | * | + | * Number of outputs: |
| − | ** 1 | + | ** 1 pair of speakers |
| − | ''' | + | '''Technical Data''' |
| − | * | + | * Continuous power (at distortion factor) |
| − | ** 8 Ohm: 2x 100 W (5 - 20'000 Hz, 0 | + | ** 8 Ohm: 2x 100 W (5 - 20'000 Hz, 0.02 %) |
** 4 Ohm: | ** 4 Ohm: | ||
| − | * | + | * continuous power BTL (mono) (at distortion factor). |
** 8 Ohm: 350 W | ** 8 Ohm: 350 W | ||
** 4 Ohm: | ** 4 Ohm: | ||
| − | * | + | * Dynamic power |
** 8 Ohm: | ** 8 Ohm: | ||
** 4 Ohm: | ** 4 Ohm: | ||
| − | * | + | * Total harmonic distortion: |
| − | ** | + | ** <0.002% at 1 kHz. |
** <0,005 % bei 10 kHz | ** <0,005 % bei 10 kHz | ||
| − | * Dämpfungsfaktor: > 100 | + | * Dämpfungsfaktor: >100 at 1 kHz at 8 oh</0,005> ms <0,005 % bei 10 kHz |
| − | * | + | * Dämpfungsfaktor: > |
| − | * | + | * Frequency response: 5 - 100'000 Hz, + 0 dB, - 1 dB |
| − | * | + | * Signal-to-noise ratio: > 120 dB |
| + | * Crosstalk attenuation: > 70 dB (1 kHz) | ||
| − | ''' | + | '''Special Features''' |
| − | * BTL Mono | + | * BTL Mono bridgeable |
| − | * | + | * Power level indicators switchable: |
| − | ** | + | ** Green: 1 W, 5 W, 25 W. |
| − | ** | + | ** Red: 25 W, 50 W, Max. |
| − | == | + | == Remarks == |
| − | * | + | * Other models in the same series: |
| − | * | + | * Preamplifier: |
* [[Nakamichi 410]] | * [[Nakamichi 410]] | ||
* [[Nakamichi 610]] | * [[Nakamichi 610]] | ||
| − | * | + | * Power amplifier: |
* [[Nakamichi 420]] | * [[Nakamichi 420]] | ||
* [[Nakamichi 620]] | * [[Nakamichi 620]] | ||
| − | * Tuner | + | * [[Tuner Preamplifier]]: |
* [[Nakamichi 630]] | * [[Nakamichi 630]] | ||
| Line 74: | Line 75: | ||
| − | == | + | == Pictures == |
| − | * | + | * Extract from brochure: Nakamichi 620 |
| − | [[ | + | [[File:Nakamichi 620-Prospekt-1.jpg]] |
| − | == | + | == Reports == |
| + | * Report in "FonoForum" 12 / 1977 | ||
| Line 85: | Line 87: | ||
| − | [[ | + | [[Category:Power Amplifiers]]</0,005> |
Latest revision as of 11:35, 21 April 2020
Data[edit]
General
- Manufacturer: Nakamichi
- Model: 620
- Type: Power amplifier
- Years of manufacture: 1977 - 1979
- Made in: Japan
- Color: Black
- Remote control:
- Power consumption: 700 W max. 50 W Quiet.
- Dimensions: 400 x 189 x 248 mm (WxHxD)
- Weight: 12.5 kg
- Original price approx.: 1'800 DM
Connections
- Number of inputs:
- Line In: 1 V, 10 kOhm
- Number of outputs:
- 1 pair of speakers
Technical Data
- Continuous power (at distortion factor)
- 8 Ohm: 2x 100 W (5 - 20'000 Hz, 0.02 %)
- 4 Ohm:
- continuous power BTL (mono) (at distortion factor).
- 8 Ohm: 350 W
- 4 Ohm:
- Dynamic power
- 8 Ohm:
- 4 Ohm:
- Total harmonic distortion:
- <0.002% at 1 kHz.
- <0,005 % bei 10 kHz
- Dämpfungsfaktor: >100 at 1 kHz at 8 oh</0,005> ms <0,005 % bei 10 kHz
- Dämpfungsfaktor: >
- Frequency response: 5 - 100'000 Hz, + 0 dB, - 1 dB
- Signal-to-noise ratio: > 120 dB
- Crosstalk attenuation: > 70 dB (1 kHz)
Special Features
- BTL Mono bridgeable
- Power level indicators switchable:
- Green: 1 W, 5 W, 25 W.
- Red: 25 W, 50 W, Max.
Remarks[edit]
- Other models in the same series:
- Preamplifier:
- Nakamichi 410
- Nakamichi 610
- Power amplifier:
- Nakamichi 420
- Nakamichi 620
Pictures[edit]
- Extract from brochure: Nakamichi 620
Reports[edit]
- Report in "FonoForum" 12 / 1977
Links[edit]
</0,005>