Difference between revisions of "Hitachi HCA-6500"
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__NOTOC__ | __NOTOC__ | ||
| − | == | + | == Data == |
| − | {{ | + | {{navigation}} |
| − | ''' | + | '''General''' |
| − | * | + | * Manufacturer: [[Hitachi]] |
| − | * | + | * Model: HCA-6500 |
| − | * | + | * Type: Stereo preamplifier |
| − | * | + | * Years of manufacture: 1977 - 1980 |
| − | * | + | * Made in: Japan |
| − | * | + | * Color: Silver or Black |
| − | * | + | * Remote control: no |
| − | * | + | * Power consumption: 3.5 W |
| − | * | + | * Dimensions: 435 (W) x 78 (H) x 275 (D) mm |
| − | * | + | * Weight: 3.5 kg |
| − | * | + | * Original price approx.: 348 DM |
| − | ''' | + | '''Connections''' |
| − | * | + | * Number of inputs: 5 |
| − | + | PHONO: 2.5 mV (50 kOhm) | |
** TUNER, AUX: 150 mV (40 kOhm) | ** TUNER, AUX: 150 mV (40 kOhm) | ||
** TAPE 1,2: 150 mV (40 kOhm) | ** TAPE 1,2: 150 mV (40 kOhm) | ||
| − | * | + | * Number of outputs: 3 |
** PRE OUT: 1 V ( 4,7 kOhm ) | ** PRE OUT: 1 V ( 4,7 kOhm ) | ||
** TAPE 1,2 REC OUT: 150 mV (1 kOhm) | ** TAPE 1,2 REC OUT: 150 mV (1 kOhm) | ||
| − | ''' | + | '''Technical Data''' |
| − | * | + | * Frequency response: |
| − | ** PHONO (RIAA): 30-20000 Hz (±0 | + | ** PHONO (RIAA): 30-20000 Hz (±0.3 dB). |
** TUNER, AUX, TAPE: 20-20000 Hz (+-0 dB) | ** TUNER, AUX, TAPE: 20-20000 Hz (+-0 dB) | ||
| − | * | + | * Distortion factor: |
** PHONO: | ** PHONO: | ||
| − | *** | + | *** Less than 0.005% at REC OUT level 1 V |
| − | *** | + | *** Less than 0.01% at REC OUT level 20 V |
** TUNER,AUX,TAPE: | ** TUNER,AUX,TAPE: | ||
| − | *** | + | *** Less than 0.005% |
| − | + | Signal-to-noise ratio: | |
| − | ** PHONO: 83 dB ( | + | ** PHONO: 83 dB (input level 2 mV) |
| − | ** TUNER,AUX,TAPE1,TAPE2: 90 dB ( | + | ** TUNER,AUX,TAPE1,TAPE2: 90 dB (output level 1 V) |
| − | * | + | * Stereo channel separation: |
| − | * | + | * Tone control: |
** Bass: ±9 dB ( 100 Hz ) | ** Bass: ±9 dB ( 100 Hz ) | ||
| − | + | Treble: ±9 dB ( 10 kHz ) | |
| − | * Loudness: ( | + | * Loudness: (when volume control is set to -30dB) |
** +6 dB (100 Hz) | ** +6 dB (100 Hz) | ||
** +5 dB (10 kHz) | ** +5 dB (10 kHz) | ||
| − | * Low Filter (Subsonic): 20 Hz (6 dB/ | + | * Low Filter (Subsonic): 20 Hz (6 dB/oct.) |
| − | * Mute: | + | * Mute: automatic at power on/off and manual |
| − | * Direct/Line-Straight: | + | * Direct/Line-Straight: yes, "Tone defeat |
| − | ''' | + | '''Special Features''' |
| − | * | + | * From the Service Manual: |
| − | ** | + | ** Low distortion, high signal-to-noise ratio equalizer. |
| − | ** ICL, | + | ** ICL, DC equalizer amplifier |
| − | ** | + | ** Rumble filter that suppresses whine and ultra-low frequency rumble without degrading sound quality. |
| − | ** | + | ** Click-stop volume and tone controls |
| − | ** | + | Tone-defeat switch ** Built-in muting circuitry |
| − | + | Built-in muting circuit | |
| − | == | + | == Remarks == |
| − | * | + | * Other preamps in the same series: |
* [[Hitachi HCA-6500]] | * [[Hitachi HCA-6500]] | ||
* [[Hitachi HCA-7500]] | * [[Hitachi HCA-7500]] | ||
| Line 68: | Line 68: | ||
| − | * | + | * Other power amplifiers in the same series: |
* [[Hitachi HMA-6500]] | * [[Hitachi HMA-6500]] | ||
* [[Hitachi HMA-7500]] | * [[Hitachi HMA-7500]] | ||
| Line 74: | Line 74: | ||
| − | == | + | == Pictures == |
| − | * | + | * Image: Hitachi HCA-6500 / HMA-6500 |
| − | [[ | + | [[File:Hitachi HCA-HMA-6500-1.jpg]] |
| − | == | + | == Reports == |
| Line 85: | Line 85: | ||
| − | [[ | + | [[Category:Preamplifier]] |
Latest revision as of 00:35, 15 June 2019
Data[edit]
General
- Manufacturer: Hitachi
- Model: HCA-6500
- Type: Stereo preamplifier
- Years of manufacture: 1977 - 1980
- Made in: Japan
- Color: Silver or Black
- Remote control: no
- Power consumption: 3.5 W
- Dimensions: 435 (W) x 78 (H) x 275 (D) mm
- Weight: 3.5 kg
- Original price approx.: 348 DM
Connections
- Number of inputs: 5
PHONO: 2.5 mV (50 kOhm)
- TUNER, AUX: 150 mV (40 kOhm)
- TAPE 1,2: 150 mV (40 kOhm)
- Number of outputs: 3
- PRE OUT: 1 V ( 4,7 kOhm )
- TAPE 1,2 REC OUT: 150 mV (1 kOhm)
Technical Data
- Frequency response:
- PHONO (RIAA): 30-20000 Hz (±0.3 dB).
- TUNER, AUX, TAPE: 20-20000 Hz (+-0 dB)
- Distortion factor:
- PHONO:
- Less than 0.005% at REC OUT level 1 V
- Less than 0.01% at REC OUT level 20 V
- TUNER,AUX,TAPE:
- Less than 0.005%
- PHONO:
Signal-to-noise ratio:
- PHONO: 83 dB (input level 2 mV)
- TUNER,AUX,TAPE1,TAPE2: 90 dB (output level 1 V)
- Stereo channel separation:
- Tone control:
- Bass: ±9 dB ( 100 Hz )
Treble: ±9 dB ( 10 kHz )
- Loudness: (when volume control is set to -30dB)
- +6 dB (100 Hz)
- +5 dB (10 kHz)
- Low Filter (Subsonic): 20 Hz (6 dB/oct.)
- Mute: automatic at power on/off and manual
- Direct/Line-Straight: yes, "Tone defeat
Special Features
- From the Service Manual:
- Low distortion, high signal-to-noise ratio equalizer.
- ICL, DC equalizer amplifier
- Rumble filter that suppresses whine and ultra-low frequency rumble without degrading sound quality.
- Click-stop volume and tone controls
Tone-defeat switch ** Built-in muting circuitry Built-in muting circuit
Remarks[edit]
- Other preamps in the same series:
- Hitachi HCA-6500
- Hitachi HCA-7500
- Hitachi HCA-8300
- Other power amplifiers in the same series:
- Hitachi HMA-6500
- Hitachi HMA-7500
- Hitachi HMA-8300
Pictures[edit]
- Image: Hitachi HCA-6500 / HMA-6500
