Description
Pré Amplificador:
Frequency Response 2 Hz to 100 kHz ±0.5 dB
(100K load)
> 350 kHz -3.0 dB
THD & N
< 0.1% from 20 Hz to 20 kHz
(@ 1 V output)
typically < 0.03% @ 1 kHz
Gain
22 dB @ 1 kHz (single-ended)
28 dB @ 1 kHz (balanced)
Noise
120 uV unweighted (balanced outputs,
volume control @ 12 o’clock)
-85 dB below @ 2 Volt R.M.S. output
SMPTE (IMD)
< 0.05%, typically 0.03% (balanced)
@ 2 V output
Input Impedance
50 K ohms (single-ended)
100 K ohms (balanced)
Output Impedance
160 ohms @ 1 kHz (single-ended)
320 ohms @ 1 kHz (balanced)
Minimum Recommended Load Impedance 10 K ohms
Output Voltage
Maximum 30 V R.M.S. (single-ended)
(100K/100pf &
Maximum 60 V R.M.S. (balanced)
10K/1000pf loads)
Maximum Input
2.5 V R.M.S. (Volume control fully clockwise)
Stereo Separation
70 dB @ 1 kHz (single-ended)
(Crosstalk)
75 dB @ 1 kHz (balanced)
Power Requirements
135 VA (75 VA in standby mode) 50/60 Hz
1.1 Amps @ 120 V A.C.
Fuse Requirements (2) 1.5 Amp 250 V fast-blo
(100 V to 120 V Countries)
0.75 Amp 250 V fast-blo
(200 V to 240 V Countries)
Tube Complement
8 – 6922 (6DJ8 types)
Amplificador :
Push-pull, tube stereo power amplifier.
Tube complement: eight 6550/KT88s (output), six 6922s (input/voltage amp), and two 5687WBs (driver cathode followers).
Power output: 110W continuous into 8, 4, and 2 ohms (20.4dBW),
terminated with rated load, 20Hz–20kHz, with <1% THD, both channels driven.
SMPTE intermodulation distortion: <1%, 20Hz–20kHz, at 110W output.
Power bandwidth (110W output): 15Hz–90kHz (–0.5dB points).
Frequency response: 5Hz–40kHz at 1W (–0.5dB points).
Input sensitivity: 1.25V RMS balanced for 110W output.
Input impedance: 200k ohms balanced, 100k ohms single-ended.
Damping factor: >50.
Output impedance: 0.30 ohms at 1kHz. Rise time, 3µs.
Slew rate, 16V/µs.
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