Technics - SC-CH505 Mini Hi-fi set - Multiple models

Rare, collectible vintage system!
Technics Vintage Hi-Fi System – SE-CH505A / ST-CH505 / SL-CH505 / RS-CH404 / SB-CH530A

A vintage Technics Hi-Fi system from the 1990s, comprising several original Technics components from the same series and era—a highly appealing setup for enthusiasts of Japanese audio equipment.

The system consists of:

• Technics SE-CH505A – stereo amplifier
• Technics ST-CH505 – FM/AM tuner + sound processor (display brightness slightly dim)
• Technics SL-CH505 – CD player with MASH converter
• Technics RS-CH404 – stereo cassette deck
• 2 × Technics SB-CH530A – original 3-way bass-reflex speakers
• Original Technics remote control

The SE-CH505A amplifier delivers 2 × 50 W at 6 Ω and features a frequency response of 40 Hz–30 kHz, making it a powerful component within this compact Technics series.

The SL-CH505 utilizes MASH 1-bit / 2-DAC technology, while the ST-CH505 combines the tuner with a sound processor/equalizer featuring multiple presets and SPACE effects. A very interesting CD player for its time:

Audio CD
1-bit / 2-DAC MASH converter
780 nm laser pickup
RAE0111Z mechanism
Dimensions: 270 × 89 × 262 mm
Weight: 1.9 kg

ST-CH505
Tuner + sound processor:

FM: 87.50–108.00 MHz
FM sensitivity: 1.8 μV
Mono S/N: up to 70 dB
Stereo separation: 35 dB
MW/LW
5-preset equalizer:
HEAVY / CLEAR / SOFT / CAR / HP ST
SPACE effects:
DISCO / LIVE / HALL
Programmable 24-hour timer
Sleep timer
Weight: 1.75 kg
Dimensions: approx. 270 × 89 × 274 mm

The RS-CH404 is a stereo deck featuring Dolby B NR, a DC servo motor, and compatibility with Normal/CrO2/Metal tapes, depending on the function used. RS-CH404
Here we have a 4-track / 2-channel stereo cassette deck, featuring:

Dolby B NR
Permalloy/ferrite heads (depending on function)
DC servo motor
Tape speed: 4.8 cm/s
Wow & flutter: 0.1% WRMS
Frequency response up to approx. 20 kHz (depending on tape type)
LINE input: 126 mV / 17.6 kΩ
Output: 400 mV / 220 Ω
Dimensions: approx. 270 × 89 × 274 mm
Weight: 2.85 kg

The SB-CH530A speakers are 3-way bass-reflex models (6 Ω) with a power rating of approx. 35 W DIN / 70 W (music power); they are a perfect match for this generation of Technics systems.
SB-CH530A
You’ve made a really interesting choice for the system here.
These are 3-way bass-reflex speakers, featuring:

Impedance: 6 Ω
Nominal power: approx. 35 W DIN
Music power: 70 W
Dimensions: approx. 21 × 41.5 × 26 cm
Weight (per speaker): approx. 7.5 kg.

The system dates back to the "golden age" of Technics components (early to mid-90s) and is suitable for both active use and collecting.

Important: the setup shown is a combination of compatible Technics components from the same family/era, rather than the factory-standard SC-CH505 configuration in its strictly original form. This fact is transparently disclosed to knowledgeable buyers and collectors.

A system of this type is increasingly appealing to collectors of vintage Japanese Hi-Fi, especially when the components have been kept together and remain in good cosmetic condition and fully functional.

Manufacturing year: approximately 1993–1996, depending on the component.

Condition: it is recommended to demonstrate all tested functions—amplifier, tuner, CD player, cassette deck, speakers, and remote control.

Ideal for: Technics collectors, vintage Japanese Hi-Fi enthusiasts, retro-style setups, and everyday audio use.