Music Hall Mini Plus Phono Manual

Music Hall Modtager Mini Plus Phono

Læs gratis den danske manual til Music Hall Mini Plus Phono (2 sider) i kategorien Modtager. Denne vejledning er vurderet som hjælpsom af 41 personer og har en gennemsnitlig bedømmelse på 4.4 stjerner ud af 21 anmeldelser. Har du et spørgsmål om Music Hall Mini Plus Phono, eller vil du spørge andre brugere om produktet?

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music hall mini plus

SPECIFICATIONS:

I/ O Connectors: RCA, 1/8" TRS Stereo

Gain: 41.51 dB gain @ 1kHz at the "0" setting

31.64 dB of gain at the "-10" setting

45.66 dB of gain at the "+4" setting

Input Impedance: 47k ohms

Output Impedance: 32 ohms Headphone, 470 ohms RCA

Frequency Response: 3Hz to 36kHz

Equalization: RIAA +/- 1 dB, 14Hz to 23kHz

Rumble Filter: 20Hz

THD: .005% @ 1KHz

S/N Ratio: >94 dB unweighted

PWR: 15 VDC

Size: 5.5"w x 3.5"d x 1.25"h

Weight: .8 lbs

Indicator: 1 Power LED

input

output

15 vdc

headphone/

line out

music hall mini plus

mini plus phono preamp

rumble

filter

made in usa

pwr

cartridge load capacitance

10dB

220pF

120pF 330pF

trim - gain

4dB

music hall

Warranty: This entitles you to have the music hall mini plus repaired free of

charge, at our discretion, for one year after the date of purchase, provided the

unit was purchased from an authorized dealer. Your original sales receipt is proof

of purchase date. Music Hall takes no responsibility for defects arising from

accident, misuse, abuse, wear and tear, neglect or unauthorized repair and/or

adjustment. Music Hall cannot accept responsibility for damage or loss that oc-

curs during transit. The warranty does not cover transportation costs.

Claims under warranty: The mini plus should be packed in the original packing

and returned to the dealer from whom it was purchased, or, upon authorization,

to a Music Hall Service Center. It should be sent by a reputable carrier, carriage

prepaid. Since no responsibility will be accepted for a unit in transit to the dealer,

customer, or authorized service agent, customers are advised to insure against

loss, damage, or theft.

For further information contact:

music hall

108 Station Road

Great Neck, NY 11023

Tel: 516-487-3663

Fax: 516-773-3891

http://www.musichallaudio.com

The music hall mini plus is a phonograph preamplier with RIAA EQ.

RIAA equalization is a specication for the recording and playback ofphonograph

records, established by the Recording Industry Association of America (RIAA).

Connecting the mini plus:

input - connect to your turntable

output - connect to your pre-amplier, integrated amp, or receiver

ground - connect to the ground wire from your turntable

Grounding thoughts: The ground post is where things can get complicated.

Ground hums have often plagued the turntable. We recommend using the ground

post to connect to your turntable's ground connection. However, if your turntable

has no ground post on it, then don't use the ground connection. If you experi-

ence hum with the ground connected to the mini plus and your turntable, try

disconnecting the ground on both.

Ground loops are a common occurrence with audio. The more equipment you

use, the higher likelihood you will have a ground loop. The term "loop" refers

to your ground generating unwanted noise from traveling back and forth in a

loop. The turntable is usually the most likely component to have a ground issue.

Another thing you can try, if you have a ground loop, is connecting the turntable

ground to the RCA jack's ground. One thing to keep in mind is that ground loops

can be anywhere in a system, so try and isolate the components that are the is-

sue before you spend a lot of time looking at just one component.

Cartridge load capacitance: The mini plus has three settings: 120 pF, 220 pF

and 330 pF. Set the switch in the position you feel sounds best to you. The dif-

ference might be very slight, but it is there. Most cartridges come with a capaci-

tance load recommendation in the spec sheet for the cartridge. For example the

Ortofon 2M series asks for a loading of 150pF to 300pF. Most Audio Technica

cartridges state 100pF to 200pF for loading. The mini plus has been tested with

multiple turntables and multiple cartridges. We have found it best to use your

ears to set the loading. You can set the loading switch to any setting 120, 220

or 330 with any MM cartridge and no damage will be done to the mini plus or

your cartridge. If you can not hear a di󰀨erence we would suggest that you do as

the cartridge manufacturer suggests, and set the loading switch closest to their

recommendation for the cartridge you are using.

Rumble lter: AKA "subsonic lter" cuts very low frequencies (below 20 Hz).

The purpose of a lter like this is to get rid of annoying frequencies that disrupt

the turntable's sound quality. A good rumble/subsonic lter should be inaudible,

meaning you can not hear when it is on or o󰀨 in the program material you are

listening to. What it will do is help with excessive very low frequency interruptions

from the turntable to the preamp.

Trim - Gain: Control to attenuate the signal level up or down. It is not a volume

control, meaning that signal will still be present even when the level is turned to

the lowest point (in this case -10dB as labeled). If at half way up you are at 0 dB

output level then all the way up you will have +4dB more gain, and all the way

down you will be at -10dB down from a reference of the middle 0 dB. Most users

will be best served to set the control at the middle or 0 setting to get the best out-

come. This is not always the case. In some situations you might need more gain,

like when playing a quiet record or lower output moving-magnet cartridge. In the

opposite situation you might need less gain from a hot or loud record, or if you

have a high output cartridge. Newer cartridges tend to have a higher output level

than older cartridges. For instance, the popular Ortofon 2M series of cartridges

have 5 - 6mV of output. This is much higher than cartridges of old (3 - 5mV).

When using a 6mV output cartridge, you might need to turn the trim gain control

to just below the half or 0 setting. Many factors go into setting the proper level.

We recommend to start at the middle, 0 setting, and adjust from that point to your

personal preference.

mini plus phono preamp

rumble

filter

made in usa

pwr

cartridge load capacitance

10dB

220pF

120pF 330pF

trim - gain

4dB

music hall

Thank you for purchasing the mini plus. We spent a considerable amount of time

designing and developing the mini plus. Hundreds of hours listening and improv-

ing the design. We hope you enjoy using the mini plus, and that it makes listening

to your vinyl collection rewarding. We sincerely appreciate the opportunity to

build a product for you and participate in your love of quality music and sound.

We love what we do and we’re happy to help.

The RIAA equalization curve was intended to operate as the global industry

standard for records since 1954. However, it is almost impossible to say when

the change actually took place.

RIAA equalization is a form of pre-emphasis on recording and de-emphasis on

playback. A recording is made with the low frequencies reduced and the high

frequencies boosted, and on playback the opposite occurs. The net result is a

at frequency response, but with attenuation of high frequency noise such as

hiss and clicks that arise from the recording medium. Reducing the low frequen-

cies also limits the excursions the cutter needs to make when cutting a groove.

Groove width is thus reduced, allowing more grooves to t into a given surface

area, permitting longer recording times. This also reduces physical stresses

on the stylus which might otherwise cause distortion or groove damage during

playback.

A potential drawback of the system is that rumble from the playback turntable's

drive mechanism is amplied by the low frequency boost that occurs on play-

back. Players must therefore be designed to limit rumble, more so than if RIAA

equalization did not occur. Using a rumble lter to lter out the subsonic frequen-

cies may help mitigate the noise from the turntable.

Produkt Specifikationer

Mærke:	Music Hall
Kategori:	Modtager
Model:	Mini Plus Phono

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