Passive Selector / Wooden Belt / Three points of support Metal Washers
Passive Selector with the Volume Control
(power supply not required)
Product name "Passive Selector"
Size：
Volume：
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W150×H80×D180 mm(nominal)
（including terminal and knob and foot）
The volume for professionals made by Alps.
50kΩ type (for Vacume Tube amp.)
or 10kΩ type (for Transistor amp.)
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Weight：
Chassis：
Knob：
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Approx 0.9kg
Aluminum,Iron
Aluminum
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A selector with the convenient volume that is a power supply-free!
This can be used a substitution of pre-amplifier at reasonable cost and becomes most appropriate product for the customers who will not require analog disc source.
The selector can control output level.
Three inputs (CDP, Tuner etc.) are available atop one tape player input(tape deck, DAT etc.)
This selector has recording sound output.
This selector maximizes the quality of power amplifier.
The high priced pre-amplifiers using expensive components(such as transformer, potentiometer) do not mean the good performer.
This selector would bring you satisfaction beyond expectation.
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Two types of selector are prepared for:
1) Please choose a 50KΩ type for vacuum tube power amplifier basically.
2) Please choose a 10KΩ type for transistor power amplifier.
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Please be careful about the gain of the power amplifier.
Please be careful about the gain of the power amplifier.
High gain amplifier(recommended range between 0.1Volt and 1Volt) is desired because this device does not have booster circuit.
In the case the power amplifier gain is low, there is a possibility that output level is not enough. |
Connection instruction
・Input A,B,C : CD Player, Tuner, Television, etc.
・OUTPUT : Power amplifier
・TAPE PLAY : OUTPUT (play) of the tape-player.
・TAPE REC : REC (recording) of the tape-player. |
・Please usually select “off” of TAPE.
・Please choose A, B, or C and control the volume appropriately.
・When tape-player is selected, please turn on a switch of TAPE.
・When source A, B, or C signal is recorded on a tape-player,
recording is to be made without problem regardless position of TAPE(on/off)
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---The reason why Miyajima-Lab developed a selector---
The ideal situation is to avoid connecting devices between source of the original sound to the destinating device in order to keep sound quality in good condition.
When you use only CD player, pre-amplified is not necessary.
If you use this product, you can save money to utilize such money for power amplifier.
As a result, the audio system is in a state having few deterioration of the sound, and you can enjoy high-quality power amplifier. |
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Wooden Belt
 
Ebony, stainless steel bolt, acopper nut
| Product name |
"Wooden belt " |
The width that is
device possibility |
Length 23mm
breadth 8-12mm |
| Weight |
About 3.5g |
 
Usage:
A metal part has to install it not to touch the terminal of the cartridge.
Please tighten it by power having weak finger-tip.
There is a big effect when used for kotetu and spiritu.
It can be used for the cartridge of other companies, but please confirm size.
An effect:
This band reduces the resonance of the cartridge and increases weight.
This band stabilizes the sound quality of the cartridge and becomes the high-grade sound. |
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Three points of support Metal Washers
 
The materials are brass.
Entering 3
Product name "Metal Washer"
Usage:
Please exchange it for the rubber washer of the shell.
As for the general shell, a rubber washer is used for a connection point.
Because this rubber washer is tender, the point of contact makes it vague, slight movement occurs.
Three points of support metal washers lose the vague point of contact and use it to make it the point of contact that does not move.
An effect:
It can get a clear sound to get rid of the slight movement of an arm and the shell.
A careful sound and feeling of speed improve by getting rid of the vagueness of the point of contact by three projections of three points of support washers. |
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