Difference between revisions of "Technics RS-BX 727"
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| − | === | + | === General === |
| − | * | + | * Manufacturer: [[Technics]] |
| − | * | + | * Model: RS-BX727 |
| − | * | + | * Type: three-head stereo cassette deck with rear band control |
| − | * | + | * Year of manufacture: 1992 |
| − | * | + | * Made in: Osaka, Japan |
| − | * | + | * Color: Black |
| − | * | + | * Remote control: Yes |
| − | * | + | * Remote control: Yes |
| − | * | + | * Power consumption: 20 W |
| − | * | + | * Dimensions: Width 430 mm, Height 135 mm, Depth 300 mm. |
| − | * | + | * Weight: 5,00 kg |
| − | * | + | * New price approx.: 649, - DM |
| − | === | + | === Connections === |
| − | ==== | + | ==== Inputs: ==== |
| − | * CD Direct In: | + | * CD Direct In: No |
* Line In: 2xCinch, 60 mV/47 kOhm | * Line In: 2xCinch, 60 mV/47 kOhm | ||
| − | ==== | + | ==== Outputs: ==== |
| − | * | + | * Headphone: 6,3mm jack, gold plated, 125 mV/8 Ohm (8 Ohm ~ 600 Ohm) |
* Line Out: 2xCinch, 400 mV/800 Ohm | * Line Out: 2xCinch, 400 mV/800 Ohm | ||
| − | === | + | === Technical data === |
| − | * | + | * Audio heads: 1 recording head made of permalloy, 1 playback head made of permalloy, 1 ferrite double gap erasing head |
| − | * | + | * Recording system: alternating current premagnetization |
| − | * | + | * Premagnetization frequency: 80 kHz |
| − | * | + | * Erasing system: alternating current |
| − | * | + | * Motors: 1 quartz direct-drive motor for the sound shaft, 1 DC motor for the winding drive, 1 DC motor for opening and closing the cassette compartment. |
| − | * | + | * Synchronisation fluctuations: 0.05% (WRMS) ; +/- 0.14% (DIN) |
| − | * | + | * Tape types: FE, CrO2, pure iron tape |
| − | * | + | * Frequency response: |
| − | :FE | + | :FE band: 30 Hz ~ 17 kHz, +/- 3dB ; 20 Hz ~ 18 kHz (DIN). |
:CrO2: 30 Hz ~ 18 kHz, +/- 3dB ; 20 Hz ~ 19 kHz (DIN) | :CrO2: 30 Hz ~ 18 kHz, +/- 3dB ; 20 Hz ~ 19 kHz (DIN) | ||
:Metal: 30 Hz ~ 19 kHz, +/- 3dB ; 20 Hz ~ 20 kHz (DIN) | :Metal: 30 Hz ~ 19 kHz, +/- 3dB ; 20 Hz ~ 20 kHz (DIN) | ||
| − | * | + | * Distortion factor: n.a. |
| − | * | + | * Signal-to-noise ratio: (signal level = full scale; CrO2 band) |
| − | : | + | :with Dolby C noise reduction: 74 dB (CCIR) |
| − | : | + | :with Dolby B noise reduction: 66 dB (CCIR) |
| − | : | + | :without noise reduction: 57 dB (A-weighted) |
| − | * Auto | + | * Auto Reverse: no |
| − | * | + | * Title search: yes |
* Dolby HX PRO: Dolby B, Dolby C | * Dolby HX PRO: Dolby B, Dolby C | ||
| − | * MPX | + | * MPX Filter: yes |
| − | * Fader: | + | * Fader: No |
| − | * Pitch | + | * Pitch control: No |
| − | * CD | + | * CD Direct Recording: No |
| − | === | + | === Special features === |
| − | * TNRC (Technics Non-Resonant Compound) - | + | * TNRC (Technics Non-Resonant Compound) -> special base plate to absorb vibrations |
| − | * | + | * Quartz controlled digital servo direct drive motor |
| − | + | * Three-head assembly with audio head coils made of high-purity PC-OCC copper. | |
| − | * Linear | + | * Linear Magne Field Class AA system |
| − | * | + | * Two separate Dolby circuits |
* Dolby HX Pro | * Dolby HX Pro | ||
* APRS ("Advanced Precise Rec-Level System") | * APRS ("Advanced Precise Rec-Level System") | ||
| − | * TPS - | + | * TPS - Title Search |
| − | * | + | * Logic control with two motors |
| − | * Memory Stop, | + | * Memory Stop, Repeat Function<->AB up to 16x |
| − | * | + | * Motorized cassette compartment |
| − | * | + | * Linear FL tape counter/play time display |
| − | * FL | + | * FL peak level display for two ranges |
| − | * | + | * Rec. level function (APRS), used for better leveling only |
| − | * Rec. | + | * Rec. calibration generator (400Hz/10kHz) |
| − | * Bias | + | * Bias and recording level calibration |
| − | * | + | * Remote control via Technics amplifier (SU-VX720/VX620) |
| − | === | + | === Remarks === |
| − | * | + | * The drive is without belt. There is a permanent magnet attached to the capstan flywheel, which is driven by an electromagnetic field. |
| − | * RS-BX727 - | + | * RS-BX727 -> this unit has an IR receiver. The RS-BX727 was released in October 1992 and replaced the RS-BX707. |
| − | |||
| − | |||
| − | |||
| − | |||
| − | = | + | '''Occurring errors:''' |
| + | * No sound, no recording:C619, C620, C621, C622 & C624 -> replace 1000uF-10V | ||
| + | * Permanent magnet on capstan can come loose, especially after transport. Leads to fast grinding noises! All DD Drive AR350 | ||
| + | * Gear wheel of the winding disk drive can break/ crack! Item no. 130/ ET. No. RDG0034 -> no longer available | ||
| + | * Trembling in the sound: Lubricant of the winding plate axles flocculates! Re-lubricate with graphite grease<br /> | ||
| + | * Clay leaks: Spring of pressure roller gives way. Item no. 120-1/ ET. No. RUW140ZC -> no longer available | ||
| + | '''For your consideration''' | ||
| + | * Due to age, the plastic elements in the drive become increasingly brittle and break, the pinions of the rewind motor burst open and slip off => irreparable. | ||
| − | [[ | + | |
| + | |||
| + | Other models of the same series: | ||
| + | * [[Technics_RS-BX_626|RS-B626]] | ||
| + | * [[Technics_RS-BX_727|RS-B727]] | ||
| + | * [[Technics_RS-BX_828|RS-B828]] | ||
| + | |||
| + | === Pictures === | ||
| + | |||
| + | [[File:Rsbx727a.jpg]] | ||
| + | |||
| + | === Links === | ||
| + | [[https://youtu.be/Q2d5Gjrbrao video rewiev]] | ||
| + | [[Category:Cassette decks]]</-> | ||
Latest revision as of 13:09, 3 November 2020
Contents
General[edit]
- Manufacturer: Technics
- Model: RS-BX727
- Type: three-head stereo cassette deck with rear band control
- Year of manufacture: 1992
- Made in: Osaka, Japan
- Color: Black
- Remote control: Yes
- Remote control: Yes
- Power consumption: 20 W
- Dimensions: Width 430 mm, Height 135 mm, Depth 300 mm.
- Weight: 5,00 kg
- New price approx.: 649, - DM
Connections[edit]
Inputs:[edit]
- CD Direct In: No
- Line In: 2xCinch, 60 mV/47 kOhm
Outputs:[edit]
- Headphone: 6,3mm jack, gold plated, 125 mV/8 Ohm (8 Ohm ~ 600 Ohm)
- Line Out: 2xCinch, 400 mV/800 Ohm
Technical data[edit]
- Audio heads: 1 recording head made of permalloy, 1 playback head made of permalloy, 1 ferrite double gap erasing head
- Recording system: alternating current premagnetization
- Premagnetization frequency: 80 kHz
- Erasing system: alternating current
- Motors: 1 quartz direct-drive motor for the sound shaft, 1 DC motor for the winding drive, 1 DC motor for opening and closing the cassette compartment.
- Synchronisation fluctuations: 0.05% (WRMS) ; +/- 0.14% (DIN)
- Tape types: FE, CrO2, pure iron tape
- Frequency response:
- FE band: 30 Hz ~ 17 kHz, +/- 3dB ; 20 Hz ~ 18 kHz (DIN).
- CrO2: 30 Hz ~ 18 kHz, +/- 3dB ; 20 Hz ~ 19 kHz (DIN)
- Metal: 30 Hz ~ 19 kHz, +/- 3dB ; 20 Hz ~ 20 kHz (DIN)
- Distortion factor: n.a.
- Signal-to-noise ratio: (signal level = full scale; CrO2 band)
- with Dolby C noise reduction: 74 dB (CCIR)
- with Dolby B noise reduction: 66 dB (CCIR)
- without noise reduction: 57 dB (A-weighted)
- Auto Reverse: no
- Title search: yes
- Dolby HX PRO: Dolby B, Dolby C
- MPX Filter: yes
- Fader: No
- Pitch control: No
- CD Direct Recording: No
Special features[edit]
- TNRC (Technics Non-Resonant Compound) -> special base plate to absorb vibrations
- Quartz controlled digital servo direct drive motor
- Three-head assembly with audio head coils made of high-purity PC-OCC copper.
- Linear Magne Field Class AA system
- Two separate Dolby circuits
- Dolby HX Pro
- APRS ("Advanced Precise Rec-Level System")
- TPS - Title Search
- Logic control with two motors
- Memory Stop, Repeat Function<->AB up to 16x
- Motorized cassette compartment
- Linear FL tape counter/play time display
- FL peak level display for two ranges
- Rec. level function (APRS), used for better leveling only
- Rec. calibration generator (400Hz/10kHz)
- Bias and recording level calibration
- Remote control via Technics amplifier (SU-VX720/VX620)
Remarks[edit]
- The drive is without belt. There is a permanent magnet attached to the capstan flywheel, which is driven by an electromagnetic field.
- RS-BX727 -> this unit has an IR receiver. The RS-BX727 was released in October 1992 and replaced the RS-BX707.
Occurring errors:
- No sound, no recording:C619, C620, C621, C622 & C624 -> replace 1000uF-10V
- Permanent magnet on capstan can come loose, especially after transport. Leads to fast grinding noises! All DD Drive AR350
- Gear wheel of the winding disk drive can break/ crack! Item no. 130/ ET. No. RDG0034 -> no longer available
- Trembling in the sound: Lubricant of the winding plate axles flocculates! Re-lubricate with graphite grease
- Clay leaks: Spring of pressure roller gives way. Item no. 120-1/ ET. No. RUW140ZC -> no longer available
For your consideration
- Due to age, the plastic elements in the drive become increasingly brittle and break, the pinions of the rewind motor burst open and slip off => irreparable.
Other models of the same series:
Pictures[edit]
Links[edit]
[video rewiev]</->