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Yamamoto Sound Craft HA-02

Vacuum tube type headphone / speaker amplifier HA-02

HA-02 is a vacuum tube headphone amplifier which equips speaker output for small BGM sound as well. The amplifier tube is Western electronic vintage miniature tube 408A, has 300mW output is enough output for a headphone amplifier. 408A is superior for noise performance as well as resolution at small volume. HA-02 is designed as a single stage amplifier circuit construction with pentode amplification factor. The transformer is similar high performance one for upper grade amplifier. The output is 50ohms for headphone, 8ohms for speaker. The load impedance for headphones range is 8-600ohms(ideal 50ohms), corresponds  almost all headphone types. HA-02 equips a CD direct input which accept to connect portable music players like iPod with attached high quality cable.

SPEC
Vacuum TubeWE408A x2
Maximum Output 300mW (50Ohms / headphone)
240mW (8Ohms / speaker)
Gain9.5dB/50ohms (headphone)
1.5dB/8ohms (speaker)
Frequency Response 30-21,000Kz(headphone)
45Hz-17,000Hz (speaker) 
Residual Noise100μV(headphone output)
70μV(speaker output)
InputLINE x2
Dimensions150(W)325(D)125(H) mm
Weight4.2kg
Power100V, 120V, 220~240V/50,60Hz

Yamamoto Sound Craft amplifiers are build to order system. It takes 8-12weeks to delivery.
Items are delivered directly from Yokohama, Japan to your address with a insurance.

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