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Gakken vacuum tube amplifier ( Q750247 ) adult Science Series Stereo speaker with amplifier Kit

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$ 107.32 (¥ 11,470)
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Product Information



Vacuum tube with 4. Stereo speakers with amplifier Kit.

Speaker with amplifier Assembly with vacuum tubes, is the kit use proprietary output transformers 2, battery-powered vacuum tubes (tubes), 4, fully utilize the charm of a vacuum tube amplifier Kit.
Original stereo speakers, audio cable included for the Assembly after soon, to external audio devices such as iPod connected, and enjoy the soft sound of the distinctive. Speakers is possible also use away from body.
Using the back of the speaker frequency characteristics test (magic voice) or circuit to change the amplification of voltage and power and volume modification experiments.
Battery powered so you can carry your freedom.
Assembly is 30 minutes. Don't use any special tool.
You can assemble yourself to know structure of the amplifier, such as the role of vacuum tubes,.








Gakken otona Science product version
Gakken otona Science product edition tube amp

Experience the soft tube and new sound tube charm!

It is a speaker with amplifier Kit with vacuum tubes,.

It is a proprietary output transformers 2, battery-powered vacuum tubes (tubes), 4, fully utilize the appeal of vacuum tube amplifier Kit. Come with original stereo speakers, audio cables connected to external audio devices such as iPod, after Assembly, and enjoy the soft sound of the distinctive.

Speakers is possible also use away from body. Using the back of the speaker frequency characteristics test (magic voice) or circuit to change the amplification of voltage and power and volume modification experiments. Battery powered so you can carry your freedom. Assembly is 30 minutes. Don't use any special tool. You can assemble yourself to know structure of the amplifier, such as the role of vacuum tubes,.

Code 1575024700
Product configuration Unassembled Kit (body parts, printed circuit boards, tube 4, ピンストレートナー, マルチセルラホーン stereo speakers, audio cables), A5 format documentation
Features You can connect external audio equipment, enjoy.
iPod, MD/CD player, PC, Audio Tuner
* external audio devices such as iPod is not included.
* Additional preamplifier is required when using the analog player.
* This kit for vacuum tube is the Chinese products were manufactured in more than 30 years ago. Scratches and dirt have no performance problems. Scratches and cannot accept returns due to stains.
Assembly time 1 Time
Battery types 2 D alkaline batteries (not included)
Material Metal contacts material: steel (nickel plated)
Product dimensions (approx.) 20.5 Cm width 14 cm height 7 cm
Product weight (approx.) 1100 g
Other Output: 100mW/ch
Input connector: RCA pin Jack
Input sensitivity: 1 VP-p
Input impedance: 100 k Ω
Load (output) impedance: 8-16 Ω
Frequency response 100 to 10 KHz ( + 0.1,-6 dB )
Distortion ratio: 5% or less (1 kHz)
Vacuum tubes: direct thermal type, battery tube voltage amplifier: 1B2X2 / power amplifier: 2P3X2
Speaker: 250mW/8 Ω

Latest Product Reviews (2)

クリスマスに娘に購入
Posted by タタ*** , 2017/12/30 10:18:26
中学校3年生の娘に購入、活版印刷機が欲しいと言われたのですが予約しても4月頃にしか届かないということで真空管アンプにしてみたところ気に入ってくれました。作成も簡単だったみたいですしスマホとつないで音楽を楽しんでいました、喜んでもらえたので満足です。
Posted by ふわ***** , 2009/01/14 16:09:11
夫へのプレゼントです。音が柔らかくてとてもいいそうです。ただ付属のスピーカーが少しちゃちっぽいので、付け替えたらもっといい音が出るかもと言ってました。満足してくれたようです。

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