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integral amplifiers TUBE DATASHEETS DIY preamplifiers

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NEW!

SE INTEGRAL VACUUM TUBE AMPLIFIER "PREFIXX"

SE INTEGRAL VACUUM TUBE AMPLIFIER SE INTEGRAL VACUUM TUBE AMPLIFIER

TECHNICAL SPECIFICATIONS :

Class A in triode
Without feedback
High-energy choke power supply
Tubes:
5C3S black plate 1 pcs; E81 1 pcs; KT88 JJ 2 pcs; 6N23P 2 pcs
Input signal level: 1,2 V
Normal load resistance: 50 KOhm
Output power raiting (1 KHz 5%): 9 W
Load resistance: 4 Ohm or 8 Ohm (custom made 8 Ohm or 16 Ohm)
S / H not less -90 Db
(20 - 20 ) : 1
Frequency response 1 W@8 Ohm: 15 Hz - 35 KHz
Tone control response
100 Hz (min max) -12 - 0 - + 10 db
10 KHz (min max) -12 - 0 - + 10 db
0: 1
THD @1 W 8 Ohm: not over 0,2%
THD -3 Db: not over 1%
Mains power: 180 W / 2 channels

SE INTEGRAL VACUUM TUBE AMPLIFIER SE INTEGRAL VACUUM TUBE AMPLIFIER

SE INTEGRAL VACUUM TUBE AMPLIFIER

Open case
Case dimensions: W 320 mm (340 mm) H 110 mm (220 mm) L 320 mm (360 mm)
4 inputs electromagnetic relay input selector.
Full preamp stage "PRETON" .
Remote control system,
except audio-fidelity control.
Soft-start system.
Stand-by system.
High-quality components:
- high-quality output and power tranformers;
- special selected and measured high-quality vacuum tubes;
- ALPS Blue Velvet potentiometrs for tone control;
- ALPS RK168 potentiometrs for volume selection;
- signal polypropylene WIMA MKP10 capacitors;
- Nichicon and Jamicon electrolytic capacitors;
- signal polystirol K71-7 capacitors;
- tantal and carbon resistors;
- high-quality ceramic tube sockets.

The basic types of the amplifier:
1. Integral amplifier with audio-fidelity control;
2. Integral amplifier without audio-fidelity control;
3. Integral amplifier with audio-fidelity control and rectifier.

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"PREFIXX" curcuit diagram SE tube amplifier curcuit diagram




NEW!


Hi-Fi VACUUM TUBE PREAMPLIFIER "PRETON"

DIY PREAMPLIFIER "PRETON"

DIY tube preamplifier DIY tube preamplifier


"PRETON" curcuit diagrampreamp curcuit diagram




NEW!


Hi-Fi PREAMP-PHONO STAGE "RIAALIGHT" stereo


IN THE CLOSED CASE

Steel case
Front aluminuim panel (thickness 5 mm).
Case dimensions W 230 mm H 100 mm L 320 mm.
Case colour - black (powder coating).


Hi-Fi PREAMP-PHONO STAGE RIAALIGHT stereo Hi-Fi PREAMP-PHONO STAGE RIAALIGHT stereo
Hi-Fi PREAMP-PHONO STAGE RIAALIGHT stereo Hi-Fi PREAMP-PHONO STAGE RIAALIGHT stereo Hi-Fi PREAMP-PHONO STAGE RIAALIGHT stereo


TECHNICAL SPECIFICATIONS :

Tubes :
6J49P-DRU gold pins / E180F 2 pcs, E83 / 6N2P-E 1 pcs, ECC88 / 6N23P 1 pcs.
Amplification factor (1 KHz):
46 db triode
56 db pentode
Overload :
38 db triode
28 db pentode
Input impedance : 47 KOhm
Nominal input voltage : 3 mV (MM)
Signal noise reduction : <-76 db
RIAA max ± 0,5 db
Min load resistance (-1,5 db) 5 KOhm
Normal load resistance 30 KOhm
THD (500 mV out) <0,045% @ 1 KHz
Switching 1 stage operation triode / pentode.

"RIAALIGHT" curcuit diagram Curcuit diagram of RIAALIGHT



NEW!


DIY PREAMP-PHONO STAGE "RIAALIGHT"

KIT RIAALIGHT DIY preamp phono stage





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