CEC TUBE53
¥ 283,500 (tax included, sold in April 2007)
Commentary
Integrated amplifier announced as the first vacuum tube amplifier by CEC.
6L6GC is used for the output tube. The 6L6GC is a vacuum tube with improved stability and reliability based on the 6L6 released by RCA in the US in the 1930 s. The 6L6GC is a vacuum tube with improved stability and reliability.
The power amplifier section forms an inverted signal with a Mulard inversion circuit. The four 6L6GCs use two push-pull circuits for each channel. The self-bias circuit also extends the life of the output tube.
By keeping the NFB as a whole to the minimum necessary, we can obtain a denser music playback.
The output transformer is specially designed and hand-finished by experienced engineers using an Orient Core material. Phase rotation is extremely small and straight sound quality is obtained.
The power transformer uses a toroidal type with excellent start-up characteristics.
As a countermeasure against noise, the transformer body is fixed to a strong steel case with a filler to completely eliminate leakage flux.
Low-noise parts are carefully selected for capacitors and resistors as well as low-distortion type volume.
It uses a solid aluminum material and a curved glass shield made by a glassmaker's technique.
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Model Rating
| Type | Integrated amplifier |
| Rated output | 20W + 20W (8 Ω) |
| Frequency characteristic | 20 Hz to 20 kHz ± 0 dB |
| Signal-to-noise ratio | 90 dB or more |
| Total harmonic distortion factor | 0.5% (8 Ω, 1 kHz) |
| Input terminal | RCA Route 3 |
| Input Sensitivity / Impedance | 400mV/100k Ω |
| Speaker terminal | 1 System (6 Ω, 8 Ω) |
| Vacuum tube used | Output Tube : 6L6GCx4 First stage : 2 x ECC82 (12AU7) Driver Stage : ECC82 (12AU7) x2 |
| Power supply voltage | 100 VAC, 50Hz/60Hz |
| Power consumption | 160W |
| Maximum external dimensions | Width 227.5x Height 183x Depth 410 mm |
| Weight | 16kg |
| Attachment | AC cord |