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旧 Dec 29th, 2010, 01:21     #1
Taotaoba
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默认 【讨论】Pioneer VSX-1325-K初步感受

今天收到了Pioneer VSX-1325-K,还是比较快的。中置音箱还没到,估计要到30号才能到。

不管怎么样,先接上落地箱试试。前后听了有半个小时左右,说老实话,比较失望

主要感受是低音推力不够,像蜻蜓点水,感觉就差那那...那一点“气压”的感觉。中高音还凑合,但也没有给我耳目一新的感觉。

更让我沮丧的是,论效果,还不如我现在的那个捡的旧功放,完全没有当初给我的那种震撼的感觉。开始我以为是音量不够大,但音量一直旋到-10dB,才开始有那么一点感觉,但这个时候,中高音已经开始感觉吵了。

要知道,旧功放达到“震撼”效果,旋钮只在10点钟位置,功率表也只是刚冲过10W (1W灯常亮,10W灯闪烁)。看来这个110W功率水分太大了。

(laosun啊,把你的旧功放卖给我吧,多少钱都行
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旧 Dec 29th, 2010, 01:23   只看该作者   #2
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默认

sofa
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旧 Dec 29th, 2010, 01:25   只看该作者   #3
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默认

您那对箱子配这个功放有点不和谐。

至少Luxman M5这个级别的还差不多。
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旧 Dec 29th, 2010, 01:38   只看该作者   #4
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您那对箱子配这个功放有点不和谐。

至少Luxman M5这个级别的还差不多。
No,No!我不需要发烧功放。能听听音乐当然更好,但主要目的是想用来看电影,所以声场力道一定要够。也许我应该去买专业功放,三四百刀就能买到200W RMS输出的了。
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旧 Dec 29th, 2010, 01:45   只看该作者   #5
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默认

早就说过,先锋和索尼的音响都是垃圾,特别是2000以后的。
去整个炮吧,至少10寸。
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旧 Dec 29th, 2010, 01:53   只看该作者   #6
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默认

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今天收到了Pioneer VSX-1325-K,还是比较快的。中置音箱还没到,估计要到30号才能到。

不管怎么样,先接上落地箱试试。前后听了有半个小时左右,说老实话,比较失望

主要感受是低音推力不够,像蜻蜓点水,感觉就差那那...那一点“气压”的感觉。中高音还凑合,但也没...
啊?真的?虽然我是刚想玩,但也想买套好点的哦

刚刚买了,或去退掉买别的?
呀,进一步再测试让大家知道哦。。。。。。。。。。。。关注中,谢谢兄弟
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旧 Dec 29th, 2010, 02:10   只看该作者   #7
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啊?真的?虽然我是刚想玩,但也想买套好点的哦

刚刚买了,或去退掉买别的?
呀,进一步再测试让大家知道哦。。。。。。。。。。。。关注中,谢谢兄弟
这个只能代表我个人的感受,每个人偏重的不一样,所以是好是坏还得自己去听。
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旧 Dec 29th, 2010, 02:17   只看该作者   #8
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早就说过,先锋和索尼的音响都是垃圾,特别是2000以后的。
去整个炮吧,至少10寸。
炮是有的,还没接上。现在我对比的都只是两落地箱-stereo。低音不能靠低音炮来加。不同功放之间的相位差使我感觉低音不纯。至少我是调不来。
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旧 Dec 29th, 2010, 06:29   只看该作者   #9
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今天收到了Pioneer VSX-1325-K,还是比较快的。中置音箱还没到,估计要到30号才能到。

不管怎么样,先接上落地箱试试。前后听了有半个小时左右,说老实话,比较失望

主要感受是低音推力不够,像蜻蜓点水,感觉就差那那...那一点“气压”的感觉。中高音还凑合,但也没...
你不能拿7.1的功放只放2声道来跟2.0的功放比。一定要接7.1喇叭的,如果2.0的音源就要用NEO:6的播放模式。说说比的是什么功放,音箱是什么吧。所有晶体管的OCL输出的功放都是差不多这样,高频很好的。阻尼系数是主要因素。
还有,你如果只用2.0的箱,也需要按2.0的箱SETUP过才对的。缺省值大概是用于5.1的箱,就是低音信号给炮输出,其它箱80HZ(也可调100HZ等)以下切掉了。
Pioneer的设置太细,根本没必要,音箱的距离精确到INCH以下吧。首先你要先设置好箱才好说,一定是错了。按缺省的小箱输出,把低频去掉了。不然不会那么离谱的。

此帖于 Dec 29th, 2010 12:15 被 老广 编辑。
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感谢 老广
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Taotaoba (Dec 29th, 2010)
旧 Dec 29th, 2010, 07:13   只看该作者   #10
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默认

试试以下设定:
crossover: 60 Hz
speaker: large

也是新的落地音箱?那听一阵子先(给一个星期吧)。音箱线不要用太细的,大概14 awg或以上。低音不足就把音箱拉近靠墙。
再来就试pure direct mode (听音乐2.0)。

此帖于 Dec 29th, 2010 07:40 被 sgyyz 编辑。
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旧 Dec 29th, 2010, 08:49   只看该作者   #11
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默认

看来各位看官不知道LZ的箱子是什么?

他曾经写过体会。
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Taotaoba (Dec 29th, 2010)
旧 Dec 29th, 2010, 12:25   只看该作者   #12
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默认

我也买了一个,还没送到。到时接上klipsch f3试试看。
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旧 Dec 29th, 2010, 18:26   只看该作者   #13
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默认

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作者: 老广 查看帖子
你不能拿7.1的功放只放2声道来跟2.0的功放比。一定要接7.1喇叭的,如果2.0的音源就要用NEO:6的播放模式。说说比的是什么功放,音箱是什么吧。所有晶体管的OCL输出的功放都是差不多这样,高频很好的。阻尼系数是主要因素。
还有,你如果只用2.0的箱,也需要按2.0的箱SETUP过才对的。缺省...
也许吧。我确实还没来得及看说明书。屏幕显示是stereo,所以我就认为是2.0的输出了。再仔细研究研究看看。

有些朋友可能确实不知道,我对比的是以前的一篇《Klipsch落地箱不完全试听》,除了功放,其它都一样。
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旧 Dec 29th, 2010, 18:40   只看该作者   #14
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作者: Taotaoba 查看帖子
今天收到了Pioneer VSX-1325-K,还是比较快的。中置音箱还没到,估计要到30号才能到。

不管怎么样,先接上落地箱试试。前后听了有半个小时左右,说老实话,比较失望

主要感受是低音推力不够,像蜻蜓点水,感觉就差那那...那一点“气压”的感觉。中高音还凑合,但也没...

AV功放都是推灵敏度高的箱子,你的主音箱的参数是什么?好久不玩了已经忘了AV箱子的参数,好像4欧 92db-94db的箱子适合AV功放,你的箱子要是8欧83-89db左右灵敏度,AV功放就歇菜了,推不动。
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旧 Dec 29th, 2010, 18:53   只看该作者   #15
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默认

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作者: welcomeback 查看帖子
AV功放都是推灵敏度高的箱子,你的主音箱的参数是什么?好久不玩了已经忘了AV箱子的参数,好像4欧 92db-94db的箱子适合AV功放,你的箱子要是8欧83-89db左右灵敏度,AV功放就歇菜了,推不动。
请问是4欧的AV 音箱比8欧的AV 音箱好推吗?
另外AV 音箱功率和Receiver 功率大概是什么比率?

比如4欧 90db灵敏度 20-200 Watts的AV 音箱用多大 功率的Receiver?
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旧 Dec 29th, 2010, 19:03   只看该作者   #16
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默认

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作者: welcomeback 查看帖子
AV功放都是推灵敏度高的箱子,你的主音箱的参数是什么?好久不玩了已经忘了AV箱子的参数,好像4欧 92db-94db的箱子适合AV功放,你的箱子要是8欧83-89db左右灵敏度,AV功放就歇菜了,推不动。
推得动, 出声, 不过可能声音不好.
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旧 Dec 29th, 2010, 19:25   只看该作者   #17
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100khz is an unknown quantity at this point
默认 实话实说,

拆解过一些JP的5.1/7.1那些receiver/speaker/HTIB(包括"高级"的),从电路结构/元件选配/喇叭箱体都很明显看出尽量便宜/简化,偷工减料,全是垃圾.
这样的组合其结果必然是高音刺耳,中音粗糙,低音有响度没力度(底音混浊,也就是说实际出来的声音严重失真).
至于DIGITAL的花里胡哨功能,那些芯片其实很是便宜的,只是不断推出新功能作为卖点而已,出来的音质很一般.

此帖于 Dec 29th, 2010 21:13 被 100khz 编辑。
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旧 Dec 29th, 2010, 20:45   只看该作者   #18
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默认

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作者: welcomeback 查看帖子
AV功放都是推灵敏度高的箱子,你的主音箱的参数是什么?好久不玩了已经忘了AV箱子的参数,好像4欧 92db-94db的箱子适合AV功放,你的箱子要是8欧83-89db左右灵敏度,AV功放就歇菜了,推不动。
倒反了。8 ohm 易推,4 ohm 难推。多数音箱所标的impedance是nominal impedance。8 ohm nominal 有时候会dip到6 ohm。很多AV receiver都不能推4 ohm nominal音箱。

http://en.wikipedia.org/wiki/Nominal_impedance

引用:
The impedance of a loudspeaker is not constant across all frequencies. In a typical loudspeaker the impedance will rise with increasing frequency from its dc value (see diagram) until it reaches a point of mechanical resonance. Following resonance, the impedance falls to a minimum and then begins to rise again.[20] Speakers are usually designed to operate at frequencies above their resonance, and for this reason it is the usual practice to define nominal impedance at this minimum and then round to the nearest standard value.[21][22] The ratio of the peak resonant frequency to the nominal impedance can be as much as 4:1.[23] It is, however, still perfectly possible for the low frequency impedance to actually be lower than the nominal impedance.[17] A given audio amplifier may not be capable of driving this low frequency impedance even though it is capable of driving the nominal impedance, a problem that can be solved either with the use of crossover filters or underrating the amplifier supplied.[24]

In the days of valves or vacuum tubes, most loudspeakers had a nominal impedance of 16 Ω. Valve outputs require an output transformer to match the very high output impedance and voltage of the output valves to this lower impedance. These transformers were commonly tapped to allow matching of the output to a multiple loudspeaker setup. For example, two 16 Ω loudspeakers in parallel will give an impedance of 8 Ω. Since the advent of solid-state transformerless outputs, these multiple-impedance outputs have become rare, and lower impedance loudspeakers more common. The most common nominal impedance for a single loudspeaker is now 8 Ω. Most solid-state amplifiers are designed to work with loudspeaker combinations of anything from 4 Ω to 8 Ω.[25
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旧 Dec 29th, 2010, 21:43   只看该作者   #19
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默认

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作者: 100khz 查看帖子
拆解过一些JP的5.1/7.1那些receiver/speaker/HTIB(包括"高级"的),从电路结构/元件选配/喇叭箱体都很明显看出尽量便宜/简化,偷工减料,全是垃圾.
这样的组合其结果必然是高音刺耳,中音粗糙,低音有响度没力度(底音混浊,也就是说实际出来的声音严重失真).
至于DIGIT...
100khz兄, 能否推荐几款性价比高的有实料的功放组合?
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旧 Dec 29th, 2010, 22:04   只看该作者   #20
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默认

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作者: welcomeback 查看帖子
AV功放都是推灵敏度高的箱子,你的主音箱的参数是什么?好久不玩了已经忘了AV箱子的参数,好像4欧 92db-94db的箱子适合AV功放,你的箱子要是8欧83-89db左右灵敏度,AV功放就歇菜了,推不动。
恰恰相反,这对箱子是灵敏度很高的 - 98dB. http://www.futureshop.ca/en-CA/produ...45f5c1a82cen02
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