Wspaniała wieża z 1978 roku, świetny zestaw. Po połączeniu wraz z kolumnami Philips 484, dźwięk wydobywający się z głośników jest naprawdę bardzo, bardzo piękny, miły dla ucha :) Cały zestaw wymaga jeszcze trochę dopieszczenia, ale do ideału nie brakuje dużo :)

SE-9021:
Specifications:
1. General
System: Transistor Power Amplifier
Colour: 1=Silver, 2=Black: 1
Power consumption: 610 W @ 120/240 V
Power Amplifier
Speaker Outputs: 2 x 2 Speakers; Phones
Continuous Power 4Ω: 65 + 65 Watts
Continuous power 8Ω: 60 + 60 Watts
Frequency Response: 20~20,000 (+0/-0.1 dB)
DC~100,000 (-1 dB); HZ
Input Sensitivity: 1,000 mV
Input Impedance: 47 kΩ
Signal to Noise Ratio: (IHF A) 115 db
(DIN) 105 db A, short circuited
Damping factor: 50 (8Ω)
Harmonic Distortion: 0.01 % at rated output
2. Physical
Dimensions in Inches: 16.92 x 3.86 x 13.00 (w) x (h) x (d)
Dimensions in mm: 430 x 98 x 331 (w) x (h) x (d)
Weight in lbs: 22 lbs
Weight in Kg: 10 Kg

SU-9021:
Specifications:
1. General
System: Transistor Pre Amplifier
Colour: 1=Silver, 2=Black: 1
Power consumption: 16 W @ 120/240 V
Pre Amplifier
Inputs: 2 Phono MM; Phono MC; Tuner; Tape; AUX; Mic
Quadro: no
Inp. Sensitivity High Level: 150 mV
Inp. Impedance High Level: 47 kΩ
Frequency Response High Level: 20-20,000 (-0.2 dB); 5-40,000 (-1 dB) HZ
Signal/Noise High Level: 100 (IHF A) db
Inp. Sensitivity Phono MM: 2.5 mV
Inp. Impedance Phono MM: 47 kΩ
Inp. Sensitivity Phono 2: 2.5 mV
Inp. Impedance Phono 2: 47 kΩ
Frequency Response Phono MM: RIAA ±0.2 dB
Signal/Noise Phono MM: 88 (IHF A) db
Inp. Sensitivity Phono MC: 0.07 mV
Inp. Impedance Phono MC: 0.01 kΩ
Signal/Noise Phono MC: 69 (IHF A) db
Outputs: Pre Out; REC/PLAY; 2 TAPE OUT
Harmonic Distortion: 0.05 % at rated output
Output Voltage Rec Out: 30 mV
Impedance Pre Out: 0.6 kΩ
Output Voltage Pre Out: 1,000 mV
Impedance Rec Out: 82 kΩ
Equalizer
Tone Controls: Bass; Treble
Frequencies: ±8 dB/50 Hz; ±8 dB/20kHz
Filters: Subsonic -12dB/oct./30Hz
Loudness: 1
2. Physical
Dimensions in Inches: 16.93 x 3.86 x 11.22 (w) x (h) x (d)
Dimensions in mm: 430 x 98 x 285 (w) x (h) x (d)
Weight in lbs: 11 lbs
Weight in Kg: 4.8 Kg

ST-9031:
Specifications:
1. General
System: analog
Colour: 1=Silver, 2=Black: 1
Power consumption: 13 W @ 120/240 V
Tuner
Display: analog
Frequency Range FM: 88-108 MHz
Frequency Range AM: 525-1,605 KHz
Station Preset: 0
Signal Strength Meter: 1 : 0=NO, 1=YES
Center Tuning Meter: 1 : 0=NO, 1=YES
Inp. Sensitivity Stereo: 1.2 (26 dB S/R, 75 Ω) μV
Frequency Response: 20-15,000 (+0.2/-0.8 dB) HZ
Harmonic Distortion: 0.08 (Mono); 0.1 (Stereo) % at rated output
Separation: > 75 (400 kHz) db
Signal/Noise Mono: 75 (IHF) db
Signal/Noise Stereo: 69 (IHF) db
Crosstalk: 50 (1 kHz); 40 (10 kHz) db
Pilot Signal Rejection: - 58 (19 kHz) db
IF Rejection: > 100 (98 MHz) db
2. Physical
Dimensions in Inches: 16.3 x 3.8 x 11.8 (w) x (h) x (d)
Dimensions in mm: 430 x 98 x 300 (w) x (h) x (d)
Weight in lbs: 9.9 lbs
Weight in Kg: 4.5 Kg