Detail Information
Tuning mode: Pointer
Band: multi-band
Appearance Style: Desktop
Radio Brand: Spark
Model: SP105i
FM / MW / SW 1,2 four-band radio
Characterization
FM / AM / shortwave band radio in part by the integrated circuits and high-quality discrete components, high-performance radio circuits.
Two 12AU7 tube preamp, push-pull two 6P1 tube, composed of pure tube / output transformer amplifier. Thick medium-density fiberboard cabinet and phase inversion-hole speakers, 5-inch full-range hi-fi speakers.
Independent bass and treble adjustment knob, radio enthusiasts can choose to sound like.
A variety of wood posts skin decoration chassis, refined aluminum panel, knob, orange tuning scale plate light.
Tuner specially designed all-metal manufacturing differential, mold manufacturing precision toothed belt / pulley drive system, to ensure accurate tuning, and feel good.
Set the 75Ω FM antenna jack, can connect the FM outdoor antenna for FM remote receiver (FM the DX), can also be connected to local FM Cable Radio Network (CABLE FM). Settings / shortwave 300Ω external antenna / ground port, you can use an external antenna and ground / short-wave receiver capacity.
4Ω ~ 300Ω stereo headphone output, audible FM stereo radio with headphones.
Set left / right channel line output terminal, tube line output, the machine used as a stereo hi-fi radio sources, connect the audio amplifier, to achieve better reception quality.
Technical Specifications Frequency range FM: 87 ~ 108mhZ
AM: 510 ~ 1620kHz
SW1: 4.4 ~ 12.0MHz
SW2: 12.0 ~ 22.0MHz
Noise limit sensitivity FM: <5 uV,
AM: <0.5mV / m
SW: <30Uv
Maximum consumption power 55w
Inverted phase high-fidelity speaker in speaker, 5 inches, 8Ω ohms, 4 watts of high-quality speaker
External headphone 4Ω ~ 300Ω
External antenna impedance FM antenna input impedance of 75 Ω
AM / SW antenna input impedance of 300 Ω
Size 400mm × 329mm × 180mm
Weight 15Kg
Mono tube amplifier parameters output power 8W
Distortion is 0.8%
Frequency response 20HZ-30kHz
Signal to noise ratio 86dB
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