ONKYO Integra A-3500
¥ 40,000 (around 1975)
Commentary
Pre-main amplifier of Integra GT series.
All stages are directly connected D&D quasi complimentary service SEPP circuit.
Equipped with 2 types of tape input.
Model Rating
Type | Pre-main amplifier |
Power Amplifier Unit | |
Rated output | 30W + 30W (8 ω, 1 kHz) |
Total harmonic distortion rate (1 kHz) | 0.8% or Less (Rated Output) 0.05% or Less (at 10W Output) |
Intermodulation distortion factor (SMPTE70Hz : 7 khz = 4 : 1) | 0.05% or Less (at Rated Output) |
Power Band Wiz (IHF -3dB, THD 0.5%) | 10 Hz to 35 kHz |
Signal-to-noise ratio | 90 dB or more (C network) |
Damping factor (DC ~ 20 kHz) | 40 (8 Ω) |
Load impedance | 4 Ω ~ 16 Ω |
Output terminal | Speaker : A, B, A + B Headphone jack |
Preamplifier Section | |
Input Sensitivity / Impedance | Phono1, 2 : 2.5mV/50k Ω Mic : 5mV/50k Ω Tuner, Play1, 2 (Aux) : 200mV/50k Ω |
Total harmonic distortion factor (at 1 v output) | Not more than 0.05% |
Intermodulation Distortion Factor (SMPTE, 70 hz : 7 khz = 4 : 1) | 0.05% or Less (at 1 V Output) |
RIAA deviation (30 Hz to 15 kHz) | ± 0.5 dB or less |
Phono Maximum Allowable Input (1kHz/10kHz) | 100mV(450mV)RMS 280mV(1.24V)P-P |
S/N (IHF A network, input shunt) | Phono1, 2 : 70 dB or more Tuner, Play1, 2 (Aux) : 90 dB or higher |
Output Voltage / Impedance | Din : 30mV/50k Ω (at 100k Ω load, rated output) Rec out : 200mV/10k Ω (open-end rated output) |
Tone control | Treble : ± 9 dB (10 kHz) Bass : ± 9 dB (100 Hz) |
Filter | High Filter : 7 kHz, 6dB/oct. |
<General> | |
Semiconductor used | Transistor : 13 IC : 2 Diode : 7 pcs |
AC Output | Total 300 VA |
Pwer | 100 VAC, 50Hz/60Hz |
Power consumption | 60W (4 Ω load, Electrical Appliance and Material Control Law) 150W (4 Ω load, maximum power consumption) |
External dimensions | Width 410x Height 143x Depth 297 mm |
Weight | 6.5kg |