Technics Phono preamplifier

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[edit] Specifications

General

• Manufacturer: Technics.
• Model: SU-300MC.
• Years of construction: 1977.
• Made in: Japan.
• Color: Charcoal Brown.
• Type: analog.
• Remote control: No provision.
• Power consumption: 450mA. Requires 6 x D batteries, no AC/DC input!.
• Dimensions (WxHxD): 140 x 55 x 265mm.
• Weight: 1.1 Kg (wo batteries).
• Retail price: YEN 10,000.

Input/Output

• Inputs:

1 pair RCA /47 Ohm.

• • List the inputs here (w/ sensitivity/impedance)
• Outputs:

1 pair RCA.

• • List the outputs here (w/ output level/impedance)

Technical data

• Rated output:
• Dynamic output:
• THD: 0.01 % (when combined with SU-9070).
• Gain: 28 db.
• Frequency response:
  • 20Hz ~ 20kHz +0-0.5dB.
  • 8Hz ~ 300kHz +0-3dB.
• Signal-to-noise ratio:
  • 250μV input: 78dB.
  • 100μV input: 70dB.
• Stereo separation:
• Filters: RIAA for MC.
• Low Filter (Subsonic): none.
• Mute/Bypass: None.

Special features

• Selector for Off, Battery check and Operation. No Bypass.
• In Off position MM goes through.