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Dynakit Stereo 70

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Technic details

Specifications

Type:
Tube Stereo Power Amplifier
Rated output:
35W + 35W (20Hz to 20kHz)
IHF output:
45W + 45W
Maximum output:
80W + 80W
Frequency response:
20Hz to 20kHz (Within 1dB 0f 35W at less than 1% distortion)
10Hz to 40kHz, ±0.5dB

Total harmonic distortion:
1% or less (At rated output)
0.05% or less (At 1W output)
Intermodulation distortion factor:
1% or less (At rated output)
0.05% or less (At 1W)
S / N ratio:
90dB or more (At rated output)
Dumping factor:
15
Channel separation:
55dB or more (20Hz to 20kHz)
Input Sensitivity / Impedance:
1.3V (At rated output)
Output impedance:


16Ω
An attached circuit:
The power-source socket for preamplifiers (2 sets)
Dina bias set adjusting device
Monophonic stereo changeover switch
Preamplifier provision:
Two power takeoffs with independent heater windings to eliminate interaction
Each 6.3V AC 1A, 350V DC 10mA
Dynakit preamplifiers plug in directly without modification
Used vacuum tube:
EL-34 (6CA7) - 4 pieces
7199 - 2 pieces
GZ-34 (5AR4) - 1 piece
Selenium rectifier - 1 piece
Finish:
Chassis and bottom plate bright nickel plated
Cover finished in charcoal brown vinyl paint

Power requirements:
AC 117V, 60Hz
Power consumption:
190W
Dimensions (W x H x D):
330 x 165 x 240mm
Weight:
12.5kg
Year:
Around 1970

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