Technics SL-BD 21

Data

General

• Manufacturer: Technics
• Model: SL-BD 21
• Year of manufacture: ca. 1986
• Manufactured in: Japan
• Color: black and silver
• Dimensions: 43 x 9.3 x 37.5 cm (WxHxD)
• Maximum height with open top (cover): 43 x 36 x 41 cm (WxHxD)
• Weight: 3,6 kg

Connections

• Outputs: 1 x Cinch plug red/white (RCA)

Technical data

• Drive: Belt drive
• Motor: DC servo motor
• Speed: 33 1/3, 45 rpm
• Synchronous fluctuation: 0.045% WRMS (JIS C5521), ±0.06% average from zero to peak (IEC 98A rated)
• Rumble noise ratio: -70 dB DIN-B (IEC 98A rated)
• Turntable: aluminium injection moulding, 312 mm
• Operating mode: fully automatic

Tonearm

• statically balanced, straight tonearm
• cartridge system: plug-in T4P cartridge
• effective arm length: 230 mm
• overhang: 15 mm
• track misalignment angle:

+ 2°32' at the inlet groove of a 30cm record. + 0°32' at the exit groove of a 30cm record

• Effective mass: 13.5 g (including pick-up system)
• Needle pressure adjustment range: 1.25 g (not adjustable)
• Permissible cartridge weight: 6g

Pickup [Technics EPC P24S]

Remarks

Almost identical successor: Technics SL-BD20