The attraction of CAT-SL-1 is that it can maintain the beautiful and rich sound quality of the vacuum tube, while providing the unique control and low frequency diving of the crystal machine. STEREOPHILE, the leading audio magazine in the United States, selected CAT SL-1 as the equipment of the year in 1993, which can be imagined how powerful it is. CAT can be said to be the standard tuning esotericist, the entire line uses three different types of vacuum tubes, the first stage uses 12AU7, take its high frequency width, sweet middle tone, the second level is more excellent, the use of high frequency amplification tube 12AX7 SRPP, creating a very wide bandwidth and large dynamics of the entire line, and finally use 6DJ8 as the output. To obtain extremely low output impedance and driving force, can be paired with any post-amplifier.
Standard version with tube Shuguang 6Z4x1, PSVANE Pu pin ECC82x1, ECC83x2, Russia 6H23 one); Deluxe edition with pipe: United States 6×4*1, PSVANE Pu pin ECC82*1,PSVANE Pu pin ECC83*2, Russia sovtek6922 one)
one High voltage using 6×4 tube to do tube rectification + Japan Koda type high voltage regulator circuit, 6×4 rectifier than domestic 6z4 and Russian 6u4n in speed, details, analytical power are slightly better! Japan Kuwaita type high voltage regulating circuit adopts Japanese position effect tube 2SK1170, as we all know, the field effect tube has the advantages of low output internal resistance, small ripple coefficient, sweet sound, etc., which is the difference between this circuit and other Taobao sellers, but also a highlight of this machine, this circuit also has high voltage delay, anti-power-on impact, and can protect the life of most of the tube.
two The amplifier tube filament is powered by the original RHet disassembly name tube LT1085CP. This tube can provide 3A large current at maximum, and the voltage is very stable, the voltage is stable at 12.5V, and the 6.3V voltage regulator is LM317. At the same time, it has the advantages of small ripple coefficient and voltage delay. Two 4700uF/25V high capacity Nikon filter capacitors
Three. (1) The standard version of this circuit: all resistors are Taiwan Kunmao coarse copper foot precision 5 color ring resistors, electrolytic capacitors are all original imported chemicals, Nikon, etc., Taiwan axial coarse copper foot machine coupling capacitors.
(2) Deluxe version of this circuit: All the resistors are imported KOA, Panasonic, Wishi resistance, high-voltage filter electrolysis for 6 blue Philips capacitors, other electrolysis is the same as the standard version, all imported chemicals, Nikon, etc., output coupling capacitors are Siemens OEM oil immersed and France small S parallel use, input coupling capacitors are France small and the United States special coupling capacitors.
(2) Deluxe version of this circuit: All the resistors are imported KOA, Panasonic, Wishi resistance, high-voltage filter electrolysis for 6 blue Philips capacitors, other electrolysis is the same as the standard version, all imported chemicals, Nikon, etc., output coupling capacitors are Siemens OEM oil immersed and France small S parallel use, input coupling capacitors are France small and the United States special coupling capacitors.
Four. Chassis dimensions: 240mm*90mm*311mm
The details of the pipe are as follows:
Rectifier tube: 6×4*1
First stage magnification 12AU7*1(ECC82)
Second stage amplification: 12AX7*2 (ECC83)
Output stage: 6dj8*1(the following pipes can be used to replace 6N11, ECC88, E88CC,6922)
Note: No cables are included
The details of the pipe are as follows:
Rectifier tube: 6×4*1
First stage magnification 12AU7*1(ECC82)
Second stage amplification: 12AX7*2 (ECC83)
Output stage: 6dj8*1(the following pipes can be used to replace 6N11, ECC88, E88CC,6922)
Note: No cables are included
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