Description:

S/N(Signal to Noise Ratio): >100dB(A-weighting)

Frequency Response: +/-0.1dB(20-20kHz)、+/-3dB(10-85Khz)
THD+:≤0.04% (1KHz, 1W)
Damping Factor: 200(20Hz~20kHz、8Ω loaded)
Input Impedance: unbalance2V/20KΩ, balance 2V/18KΩ
SPEALER OUT: Mono
Output Power: 500W(8Ω)
Supply Voltage: ~220V±10%
Max Power Consumption: 1500W±10%
Color: Black
Material: Aluminium Alloy
Net Weight: 39KG

Dimension: 440mm*450mm*240mm(W*D*H)

Features:

The post amplifier is adopting a transfer method of completely balance, the input part is Motorola ON Semiconductor twin tube composition mirror differential balance amplifier circuit.

Adopting American “Motorola ON Semiconductor” high electricity power tube, each channel has 12 pairs of parallel connection output, a total of 24 pcs large current power tube. It has powerful driving force, and inexhaustible huge current can be perfect to drive 99% speaker in the world.

Using "Benick" series of filter large reservoir capacitance, 12 pcs "Benick" high-speed capacitor, 10,000/per, a total of 12 million microfarad. Pure sweet sound and rapid response.

Choosing the top classic toroidal in China, each of them can supply 1500W and have stable and reliable quality. In fact, a 1500W giant toroidal and 12 pcs authentic Bennick filter capacitor whose total capacity up to 120000 microfarad have already prepared abundant energy for the AMP-15. Therefore, it ensured a unparalleled dynamic response, wide volume and sound effect for HD1500. As we all know, HD1500 has a very strong quiescent current, and its consumption up to 200W. To properly solve the disadvantage in all A amplifier, HD1500 especially selected super long and large pure cast aluminum radiator, fixing 24 pcs high-power tube on it well-proportioned, match with 35mm panel and integrated aluminum alloy radiating chassis, (the materials of whole machine contains 25 kg aluminum !) the temperature is on the security range (within 55 degrees) fully guaranteed the normal work of the machine. The total power of these 24 ON Semiconductor high current power can afford 3600W power consumption.

Mono PCB is completely separated and these 2pcs layouts symmetrical, including special double protection circuit about the loudspeaker. It have protection circuits which were made of full discrete and IC on the board. (The purpose is to protect the expensive speaker system when the circuit accidental damaged, this is very important). The sound field positioning of HD1500 is more precise and wider.

The quiescent current of the power tube can change with the strength of the input signal, reduce the crossover distortion of the power tube. the bias power tube will change from negative bias to positive bias and bring distortion when facing a big dynamic, so this circuit is specially designed for this. So that the sound quality of the amplifier is more attractive, the treble is warm and elastic, the mediant is clear and transparent, and the bass is strong. it can still maintain sufficient explosive power whenin a continuous large dynamic, especially suit for large symphonic music player. Power consumption of low volume is only 200W, it is very energy saving.

This product in Europe and the United States to sell a few years and received praise and awards, 100V-230V global wide voltage to China, North America, Europe simultaneously listed, a foreign standard production without waiting. Redesigned the chassis and the heat sink part, using a fever-level audio dedicated high-speed capacitors. Adjust the sound more biased in favor of Class A tone. Redesigned external cooling system, the whole computer optimization of the new structure of the chassis; the use of re-design of the external cooling system so that the entire amplifier operating temperature by 10 degrees, thereby extending the life of the machine is the machine work stability; appearance also become beautiful , Line and the old more perfect than in the details of the dynamic details of the degree of sophistication, etc. have greatly improved!

SP-1500 amplifier sound pure natural, bass surging surging sound, such as the tide of continuous rolling, force pull Hill Come gas guise; sound field is very real, such as the body in person; pay attention to the sound of the weak sound details. Music in the "emotions, love and hate" express clearly. Floating a pleasant cheerful voice, the spring breeze was blowing, people relax. Similar to the pure class A amplifier as the sound, but more efficient than the higher power but smaller power consumption. Proposed with the speaker, made me more optimistic about the hivi, Jin-hong, I am more optimistic about the import of Tanner, JBL and other speakers. Amplifier frequency band distribution is relatively average, there is no exaggeration of a certain period of low-frequency analysis of power at this price is one of the best, listen to the cattle fighting tiger's drum-shaped lifelike, drum tension is crystal clear. MF is very full, with texture, mouth sharp, emotional changes. High frequency extension enough, strong sense of metal, air, elegant sense of excellence.