Difference between revisions of "Pioneer A-777"
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| − | == | + | == Short description == |
| − | + | External differences to the A-757 MKII: Golden dot now on volume pot, input and output selector switch. Inside: now vertically mounted circuit boards, thus free view through the bottom plate which is no longer made of copper, now also no honeycomb housing around the relay section and the RCA boards. No more type designations on the cast housings of the transformers. | |
| − | == | + | == Data == |
| − | {{ | + | {{navigation}} |
| − | ''' | + | '''General''' |
| − | * | + | * Manufacturer: [[Pioneer]] |
| − | * | + | * Model: A-777 |
| − | * | + | * Years of manufacture: 1991-1993 |
| − | * | + | * Made in: Japan |
| − | * | + | * Color: black |
| − | * | + | * Type: Analog |
| − | * | + | * Remote control: no |
| − | * | + | * Power consumption: 820 W |
| − | * | + | * Dimensions: 420 x 435 x 162 mm (WxHxD) |
| − | * | + | * Weight: 19 kg |
| − | * | + | * New price approx.: 1300 ,-DM |
| − | ''' | + | '''Connections''' |
| − | * | + | * Number of inputs: |
| − | ** Phono (MM/MC | + | ** Phono (MM/MC selectable): 2.5 mV / 50 kOhm (MM), 0.2 mV / 100 kOhm (MC). |
| − | ** CD, Tuner, Line, 3x Tape In, Adapter In: 150 mV / 50 kOhm | + | ** CD, Tuner, Line, 3x Tape In, Adapter In: 150 mV / 50 kOhm. |
| − | * | + | * Number of outputs: |
| − | ** 3x Tape Out, Adapter Out: 150 mV / 2 | + | ** 3x Tape Out, Adapter Out: 150 mV / 2.2 kOhm. |
| − | ** | + | ** Headphones (6.3 mm jack, front) |
| − | ** 2 | + | ** 2 pairs of loudspeakers |
| − | ''' | + | '''Technical Data''' |
| − | * | + | * Continuous power |
| − | ** 8 Ohm: 2x | + | ** 8 Ohm: 2x 110 W / 0,007% |
| − | + | 4 Ohm: 2x 155 W | |
| − | * | + | * dynamic power |
** 8 Ohm: | ** 8 Ohm: | ||
| − | ** 4 Ohm: 2x | + | ** 4 Ohm: 2x 240 W |
| − | * | + | * Total harmonic distortion: 0.007% (20-20,000 Hz, 95 W, 8 Ohm) |
| − | * | + | * Attenuation factor: 150 / 70 (8 Ohm, 1 kHz / 20-20,000 Hz). |
| − | * | + | * Frequency response: |
| − | ** Phono MM: 20 - 20 | + | ** Phono MM: 20 - 20,000 Hz (±0.2 dB). |
| − | + | Phono MC: 20 - 20,000 Hz (±0.3 dB) | |
| − | ** | + | ** High level: 1 - 150,000 Hz (+0/-3 dB) |
| − | * | + | * Signal-to-noise ratio: |
| − | ** IHF ( | + | ** IHF (short-circuited, A-weighted). |
*** Phono MM/MC: 94 dB / 76 dB | *** Phono MM/MC: 94 dB / 76 dB | ||
| − | *** | + | *** High level: 110dB |
| − | ** DIN ( | + | ** DIN (continuous power/50 mW) |
*** Phono MM: 74 dB / 68 dB | *** Phono MM: 74 dB / 68 dB | ||
| − | *** | + | *** High level: 92 dB / 70 dB |
| − | * | + | * Stereo channel separation: |
| − | * | + | * Tone control: |
| − | ** Bass: | + | ** Bass: yes, ±8 dB (100 Hz) |
| − | + | Treble: yes, ±8 dB (10 kHz) | |
| − | * Loudness: | + | * Loudness: yes, +5 dB (100 Hz), +3 dB (10 kHz) (at -40 dB volume) |
| − | * High Filter: | + | * High Filter: no |
| − | * Low Filter (Subsonic): | + | * Low Filter (Subsonic): yes, 17 Hz (-12 dB/oct) |
| − | * Mute: | + | * Mute: yes |
| − | * Direct/Line-Straight: | + | * Direct/Line-Straight: yes |
| − | ''' | + | '''Special Features''' |
* - | * - | ||
| − | == | + | ==Notes== |
| − | + | Predecessor model: | |
* [[Pioneer A-757 MK II]] | * [[Pioneer A-757 MK II]] | ||
| − | + | Successor model: | |
| − | * | + | * none |
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| − | == | + | == Pictures == |
| − | [[ | + | [[File:Pioneer A-777.jpg]] |
| − | == | + | == Reports == |
| + | Amplifier powered since 1991 always connected with warfdale boxes. Constant power connection insulated run time 27 years with 3 interrupt due to move. First repap 2018, faulty power change modules on cabinet. Still running after 3 day repair. Cost €60- first owner! | ||
== Links == | == Links == | ||
| − | [[ | + | [[Category:Integrated amplifier]] |
Latest revision as of 17:02, 5 January 2021
Short description[edit]
External differences to the A-757 MKII: Golden dot now on volume pot, input and output selector switch. Inside: now vertically mounted circuit boards, thus free view through the bottom plate which is no longer made of copper, now also no honeycomb housing around the relay section and the RCA boards. No more type designations on the cast housings of the transformers.
Data[edit]
General
- Manufacturer: Pioneer
- Model: A-777
- Years of manufacture: 1991-1993
- Made in: Japan
- Color: black
- Type: Analog
- Remote control: no
- Power consumption: 820 W
- Dimensions: 420 x 435 x 162 mm (WxHxD)
- Weight: 19 kg
- New price approx.: 1300 ,-DM
Connections
- Number of inputs:
- Phono (MM/MC selectable): 2.5 mV / 50 kOhm (MM), 0.2 mV / 100 kOhm (MC).
- CD, Tuner, Line, 3x Tape In, Adapter In: 150 mV / 50 kOhm.
- Number of outputs:
- 3x Tape Out, Adapter Out: 150 mV / 2.2 kOhm.
- Headphones (6.3 mm jack, front)
- 2 pairs of loudspeakers
Technical Data
- Continuous power
- 8 Ohm: 2x 110 W / 0,007%
4 Ohm: 2x 155 W
- dynamic power
- 8 Ohm:
- 4 Ohm: 2x 240 W
- Total harmonic distortion: 0.007% (20-20,000 Hz, 95 W, 8 Ohm)
- Attenuation factor: 150 / 70 (8 Ohm, 1 kHz / 20-20,000 Hz).
- Frequency response:
- Phono MM: 20 - 20,000 Hz (±0.2 dB).
Phono MC: 20 - 20,000 Hz (±0.3 dB)
- High level: 1 - 150,000 Hz (+0/-3 dB)
- Signal-to-noise ratio:
- IHF (short-circuited, A-weighted).
- Phono MM/MC: 94 dB / 76 dB
- High level: 110dB
- DIN (continuous power/50 mW)
- Phono MM: 74 dB / 68 dB
- High level: 92 dB / 70 dB
- IHF (short-circuited, A-weighted).
- Stereo channel separation:
- Tone control:
- Bass: yes, ±8 dB (100 Hz)
Treble: yes, ±8 dB (10 kHz)
- Loudness: yes, +5 dB (100 Hz), +3 dB (10 kHz) (at -40 dB volume)
- High Filter: no
- Low Filter (Subsonic): yes, 17 Hz (-12 dB/oct)
- Mute: yes
- Direct/Line-Straight: yes
Special Features
- -
Notes[edit]
Predecessor model:
Successor model:
- none
Pictures[edit]
Reports[edit]
Amplifier powered since 1991 always connected with warfdale boxes. Constant power connection insulated run time 27 years with 3 interrupt due to move. First repap 2018, faulty power change modules on cabinet. Still running after 3 day repair. Cost €60- first owner!